======================================
| xx__-> [   10.266112][  T206] ------------[ cut here ]------------
| [   10.266343][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   10.267962][  T206] Modules linked in:
| [   10.268455][  T206] Tainted: [W]=WARN
[   10.268561][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.268742][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.268926][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.269475][  T206] RSP: 0018:ffa00000008e7a80 EFLAGS: 00010286
[   10.269647][  T206] RAX: 00000000ffffffa6 RBX: ff1100000be07000 RCX: 1ff400000011cf16
[   10.269856][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be070bc
[   10.270060][  T206] RBP: ff1100000fd59000 R08: 1fe22000017c0e19 R09: ff110000100c2e80
[   10.270280][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.270542][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd59000
[   10.270760][  T206] FS:  00007fdca827b840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   10.271012][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.271185][  T206] CR2: 0000000000479648 CR3: 000000000fbcf005 CR4: 0000000000771ef0
[   10.271405][  T206] PKRU: 55555554
[   10.271506][  T206] Call Trace:
[   10.271607][  T206]  <TASK>
[   10.271695][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.271842][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.271976][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.272091][  T206]  register_netdevice (net/core/dev.c:11488)
[   10.272232][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.272407][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.272544][  T206]  register_netdev (net/core/dev.c:11552)
[   10.272678][  T206]  loopback_net_init (drivers/net/loopback.c:218)
[   10.272835][  T206]  ops_init (net/core/net_namespace.c:137)
[   10.272939][  T206]  setup_net (net/core/net_namespace.c:446)
[   10.273040][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.273178][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.273328][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.273472][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   10.273618][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.273761][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.273897][  T206]  ksys_unshare (kernel/fork.c:3243)
[   10.274045][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.274183][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.274333][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.274544][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   10.274683][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.274824][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.274958][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.275092][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.275229][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.275363][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.275537][  T206] RIP: 0033:0x7fdca853dbcb
[   10.275679][  T206] 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
[   10.276192][  T206] RSP: 002b:00007ffc905ec608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.276406][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdca853dbcb
[   10.276611][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.276817][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   10.277029][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc905ee830
[   10.277237][  T206] R13: 0000000000000001 R14: 00007fdca827b6f8 R15: 00007ffc905ef86a
| [   10.282047][  T206] ------------[ cut here ]------------
| [   10.282195][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   10.282439][  T206] Modules linked in:
| [   10.282939][  T206] Tainted: [W]=WARN
[   10.283041][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.283210][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.283409][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.283912][  T206] RSP: 0018:ffa00000008e7918 EFLAGS: 00010286
[   10.284081][  T206] RAX: 00000000ffffffa6 RBX: ff1100000c7ffe00 RCX: 1ff400000011cee9
[   10.284288][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7ffebc
[   10.284492][  T206] RBP: ff1100000e3ec000 R08: 1fe22000018fffd9 R09: ff110000100c2e80
[   10.284691][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.284908][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e3ec000
[   10.285110][  T206] FS:  00007fdca827b840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   10.285348][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.285518][  T206] CR2: 0000000000479648 CR3: 000000000fbcf005 CR4: 0000000000771ef0
[   10.285728][  T206] PKRU: 55555554
[   10.285828][  T206] Call Trace:
[   10.285928][  T206]  <TASK>
[   10.285998][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.286133][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.286273][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.286374][  T206]  register_netdevice (net/core/dev.c:11488)
[   10.286514][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.286682][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.286827][  T206]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.286964][  T206]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.287097][  T206]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.287252][  T206]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.287389][  T206]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.287527][  T206]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.287672][  T206]  ops_init (net/core/net_namespace.c:137)
[   10.287780][  T206]  setup_net (net/core/net_namespace.c:446)
[   10.287881][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.288019][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.288154][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.288296][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   10.288434][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.288571][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.288704][  T206]  ksys_unshare (kernel/fork.c:3243)
[   10.288843][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.288978][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.289111][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.289250][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   10.289391][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.289524][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.289658][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.289794][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.289931][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.290064][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.290239][  T206] RIP: 0033:0x7fdca853dbcb
[   10.290382][  T206] 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
[   10.290871][  T206] RSP: 002b:00007ffc905ec608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.291072][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdca853dbcb
[   10.291277][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.291481][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   10.291679][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc905ee830
[   10.293410][  T206] R13: 0000000000000001 R14: 00007fdca827b6f8 R15: 00007ffc905ef86a
| [   10.297960][  T206] ------------[ cut here ]------------
| [   10.298102][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   10.298342][  T206] Modules linked in:
| [   10.298737][  T206] Tainted: [W]=WARN
[   10.298841][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.299014][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.299193][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.299692][  T206] RSP: 0018:ffa00000008e78f8 EFLAGS: 00010286
[   10.299871][  T206] RAX: 00000000ffffffa6 RBX: ff1100000958d540 RCX: 1ff400000011cee5
[   10.300079][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000958d5fc
[   10.300302][  T206] RBP: ff1100000efa4000 R08: 1fe22000012b1ac1 R09: ff110000100c2e80
[   10.300516][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.300757][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000efa4000
[   10.300965][  T206] FS:  00007fdca827b840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   10.301207][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.302498][  T206] CR2: 0000000000479648 CR3: 000000000fbcf005 CR4: 0000000000771ef0
[   10.302703][  T206] PKRU: 55555554
[   10.302812][  T206] Call Trace:
[   10.302923][  T206]  <TASK>
[   10.302995][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.303132][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.303275][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.303380][  T206]  register_netdevice (net/core/dev.c:11488)
[   10.303524][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.303692][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.303836][  T206]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.303975][  T206]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.304112][  T206]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.304255][  T206]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.304396][  T206]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.304535][  T206]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.304673][  T206]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.305465][  T206]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.305605][  T206]  ops_init (net/core/net_namespace.c:137)
[   10.305709][  T206]  setup_net (net/core/net_namespace.c:446)
[   10.305875][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.306012][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.306158][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.306301][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   10.306477][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.306624][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.306822][  T206]  ksys_unshare (kernel/fork.c:3243)
[   10.307017][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.307156][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.307297][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.307443][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   10.307583][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.307779][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.307925][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.308065][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.308205][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.308349][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.308528][  T206] RIP: 0033:0x7fdca853dbcb
[   10.308672][  T206] 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
[   10.309248][  T206] RSP: 002b:00007ffc905ec608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.309458][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdca853dbcb
[   10.309661][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.309925][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   10.310127][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc905ee830
[   10.310336][  T206] R13: 0000000000000001 R14: 00007fdca827b6f8 R15: 00007ffc905ef86a
| [   10.324155][  T206] ------------[ cut here ]------------
| [   10.324330][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   10.324573][  T206] Modules linked in:
| [   10.325029][  T206] Tainted: [W]=WARN
[   10.325133][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.325308][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.325491][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.325990][  T206] RSP: 0018:ffa00000008e7a78 EFLAGS: 00010286
[   10.326162][  T206] RAX: 00000000ffffffa6 RBX: ff1100000be063c0 RCX: 1ff400000011cf15
[   10.326365][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be0647c
[   10.326571][  T206] RBP: ff1100000eafc000 R08: 1fe22000017c0c91 R09: ff110000100c2e80
[   10.326779][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.326984][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eafc000
[   10.327185][  T206] FS:  00007fdca827b840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   10.327429][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.327611][  T206] CR2: 0000000000479648 CR3: 000000000fbcf005 CR4: 0000000000771ef0
[   10.327823][  T206] PKRU: 55555554
[   10.327930][  T206] Call Trace:
[   10.328032][  T206]  <TASK>
[   10.328102][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.328246][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.328381][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.328510][  T206]  register_netdevice (net/core/dev.c:11488)
[   10.328649][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.328823][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.328965][  T206]  register_netdev (net/core/dev.c:11552)
[   10.329100][  T206]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.329243][  T206]  ops_init (net/core/net_namespace.c:137)
[   10.329346][  T206]  setup_net (net/core/net_namespace.c:446)
[   10.329455][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.329591][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.329730][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.329872][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   10.330012][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.330165][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.330318][  T206]  ksys_unshare (kernel/fork.c:3243)
[   10.330457][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.330595][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.330737][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.330878][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   10.331015][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.331152][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.331291][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.331432][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.331568][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.331704][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.331880][  T206] RIP: 0033:0x7fdca853dbcb
[   10.332024][  T206] 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
[   10.332519][  T206] RSP: 002b:00007ffc905ec608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.332728][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdca853dbcb
[   10.332942][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.333145][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   10.333352][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc905ee830
[   10.333559][  T206] R13: 0000000000000001 R14: 00007fdca827b6f8 R15: 00007ffc905ef86a
| [   10.337930][  T206] ------------[ cut here ]------------
| [   10.338093][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   10.338329][  T206] Modules linked in:
| [   10.338729][  T206] Tainted: [W]=WARN
[   10.338831][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.339001][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.339177][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.339664][  T206] RSP: 0018:ffa00000008e7a68 EFLAGS: 00010286
[   10.339840][  T206] RAX: 00000000ffffffa6 RBX: ff1100000c7fe900 RCX: 1ff400000011cf13
[   10.340040][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7fe9bc
[   10.340248][  T206] RBP: ff1100000e3e9000 R08: 1fe22000018ffd39 R09: ff110000100c2e80
[   10.340453][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.340654][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e3e9000
[   10.340863][  T206] FS:  00007fdca827b840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   10.341141][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.341313][  T206] CR2: 0000000000479648 CR3: 000000000fbcf005 CR4: 0000000000771ef0
[   10.341519][  T206] PKRU: 55555554
[   10.341620][  T206] Call Trace:
[   10.341725][  T206]  <TASK>
[   10.341800][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.341938][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.342073][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.342175][  T206]  register_netdevice (net/core/dev.c:11488)
[   10.342315][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.342488][  T206]  register_netdev (net/core/dev.c:11552)
[   10.342621][  T206]  sit_init_net (net/ipv6/sit.c:1860)
[   10.342763][  T206]  ops_init (net/core/net_namespace.c:137)
[   10.342866][  T206]  setup_net (net/core/net_namespace.c:446)
[   10.342967][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.343101][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.343240][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.343375][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   10.343516][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.343653][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.343798][  T206]  ksys_unshare (kernel/fork.c:3243)
[   10.343932][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.344064][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.344198][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.344339][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   10.344478][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.344613][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.344752][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.344885][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.345019][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.345153][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.345329][  T206] RIP: 0033:0x7fdca853dbcb
[   10.345478][  T206] 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
[   10.345965][  T206] RSP: 002b:00007ffc905ec608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.346168][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdca853dbcb
[   10.346373][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.346577][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   10.346783][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc905ee830
[   10.346982][  T206] R13: 0000000000000001 R14: 00007fdca827b6f8 R15: 00007ffc905ef86a
| [   10.352178][  T206] ------------[ cut here ]------------
| [   10.352326][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   10.352577][  T206] Modules linked in:
| [   10.352970][  T206] Tainted: [W]=WARN
[   10.353071][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.353247][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.353428][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.353932][  T206] RSP: 0018:ffa00000008e7a78 EFLAGS: 00010286
[   10.354100][  T206] RAX: 00000000ffffffa6 RBX: ff1100000cb4c900 RCX: 1ff400000011cf15
[   10.354306][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb4c9bc
[   10.354513][  T206] RBP: ff1100000e8d1000 R08: 1fe2200001969939 R09: ff110000100c2e80
[   10.354719][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.354921][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e8d1000
[   10.355123][  T206] FS:  00007fdca827b840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   10.355360][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.355532][  T206] CR2: 0000000000479648 CR3: 000000000fbcf005 CR4: 0000000000771ef0
[   10.355740][  T206] PKRU: 55555554
[   10.355840][  T206] Call Trace:
[   10.355940][  T206]  <TASK>
[   10.356011][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.356146][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.356286][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.356392][  T206]  register_netdevice (net/core/dev.c:11488)
[   10.356556][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.356730][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.356867][  T206]  register_netdev (net/core/dev.c:11552)
[   10.357002][  T206]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.357137][  T206]  ops_init (net/core/net_namespace.c:137)
[   10.357245][  T206]  setup_net (net/core/net_namespace.c:446)
[   10.357347][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.357484][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.357619][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.357762][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   10.357901][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.358040][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.358280][  T206]  ksys_unshare (kernel/fork.c:3243)
[   10.358420][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.358557][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.358692][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.358922][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   10.359072][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.359214][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.359364][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.359597][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.359737][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.359872][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.360041][  T206] RIP: 0033:0x7fdca853dbcb
[   10.360282][  T206] 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
[   10.360773][  T206] RSP: 002b:00007ffc905ec608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.360974][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdca853dbcb
[   10.361175][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.361476][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   10.361675][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc905ee830
[   10.361884][  T206] R13: 0000000000000001 R14: 00007fdca827b6f8 R15: 00007ffc905ef86a
| [   10.391158][  T207] ------------[ cut here ]------------
| [   10.391325][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [   10.391557][  T207] Modules linked in:
| [   10.391955][  T207] Tainted: [W]=WARN
[   10.392056][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.392225][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.392414][  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
[   10.393138][  T207] RSP: 0018:ffa00000009a7020 EFLAGS: 00010286
[   10.393311][  T207] RAX: 00000000ffffffa6 RBX: ff110000092f2900 RCX: 1ff4000000134dca
[   10.393511][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f29bc
[   10.393708][  T207] RBP: ff1100000fd59000 R08: 1fe220000125e539 R09: ff110000100c5158
[   10.393924][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.394123][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.394324][  T207] FS:  00007f959cc67840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.394586][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.394758][  T207] CR2: 0000000019791988 CR3: 000000000fb97002 CR4: 0000000000771ef0
[   10.394955][  T207] PKRU: 55555554
[   10.395068][  T207] Call Trace:
[   10.395166][  T207]  <TASK>
[   10.395239][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.395372][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.395488][  T207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.395618][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[   10.395757][  T207]  ? netif_change_name (net/core/dev.c:1495)
[   10.395887][  T207]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.396020][  T207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.396150][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.396287][  T207]  ? 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))
[   10.396440][  T207]  netif_change_flags (net/core/dev.c:9820)
[   10.396577][  T207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.396710][  T207]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.396860][  T207]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.396996][  T207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.397165][  T207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.397300][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.397434][  T207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.397565][  T207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.397699][  T207]  ? __kernel_text_address (kernel/extable.c:79)
[   10.398469][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.398609][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.398826][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.398980][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.399117][  T207]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.399272][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.399415][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.399547][  T207]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.399679][  T207]  ? __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)
[   10.399867][  T207]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.399998][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.400129][  T207]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.400265][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.400406][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.400571][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.400702][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.400838][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.400969][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.401099][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.401255][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.401388][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.401518][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.401649][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.401786][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.401917][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.402178][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.402314][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.402451][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.402604][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.402743][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.402876][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.403012][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.403177][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.403317][  T207]  ? 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))
[   10.403453][  T207]  ? 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))
[   10.403764][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.403897][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.404046][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.404189][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.404325][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.404463][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.404628][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.404789][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.404919][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.405086][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[   10.405229][  T207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.405363][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.405500][  T207]  ___sys_sendmsg (net/socket.c:2752)
[   10.405641][  T207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.405810][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.405967][  T207]  __sys_sendmsg (net/socket.c:2784)
[   10.406106][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.406241][  T207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.406577][  T207]  ? 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)
[   10.406710][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.406849][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.406979][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.407119][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.407256][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.407445][  T207] RIP: 0033:0x7f959cea108e
[   10.407585][  T207] 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
[   10.408074][  T207] RSP: 002b:00007ffeb9979c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.408276][  T207] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f959cea108e
[   10.408478][  T207] RDX: 0000000000000000 RSI: 00007ffeb9979d20 RDI: 0000000000000005
[   10.408674][  T207] RBP: 00007ffeb9979c80 R08: 0000000000000000 R09: 0000000000000000
[   10.408880][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[   10.409074][  T207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb997a3f0
| [   10.544796][  T211] ------------[ cut here ]------------
| [   10.544977][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   10.545257][  T211] Modules linked in:
| [   10.545650][  T211] Tainted: [W]=WARN
[   10.546415][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.546611][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.546847][  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
[   10.547346][  T211] RSP: 0018:ffa00000009e7a80 EFLAGS: 00010286
[   10.547526][  T211] RAX: 00000000ffffffa6 RBX: ff11000009567c40 RCX: 1ff400000013cf16
[   10.547790][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009567cfc
[   10.547992][  T211] RBP: ff1100000a0cc000 R08: 1fe22000012acfa1 R09: ff1100001003d180
[   10.548196][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.548425][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a0cc000
[   10.548669][  T211] FS:  00007f306a134840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.548915][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.549086][  T211] CR2: 00007f306a340690 CR3: 000000000b579003 CR4: 0000000000771ef0
[   10.549296][  T211] PKRU: 55555554
[   10.549402][  T211] Call Trace:
[   10.549503][  T211]  <TASK>
[   10.549574][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.549711][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.549853][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.549955][  T211]  register_netdevice (net/core/dev.c:11488)
[   10.550093][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.550264][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.550404][  T211]  register_netdev (net/core/dev.c:11552)
[   10.550548][  T211]  loopback_net_init (drivers/net/loopback.c:218)
[   10.550684][  T211]  ops_init (net/core/net_namespace.c:137)
[   10.550793][  T211]  setup_net (net/core/net_namespace.c:446)
[   10.550896][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.551029][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.551167][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.551310][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[   10.551451][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.551589][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.551730][  T211]  ksys_unshare (kernel/fork.c:3243)
[   10.551891][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.552026][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.552163][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.552310][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[   10.552452][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.552599][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.552741][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.552877][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.553015][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.553151][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.553325][  T211] RIP: 0033:0x7f306a3f6bcb
[   10.553475][  T211] 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
[   10.553963][  T211] RSP: 002b:00007ffe9c06d188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.554169][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f306a3f6bcb
[   10.554378][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.554617][  T211] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.554833][  T211] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9c06f3b0
[   10.555046][  T211] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9c07086a
| [   10.559712][  T211] ------------[ cut here ]------------
| [   10.559858][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   10.560111][  T211] Modules linked in:
| [   10.560587][  T211] Tainted: [W]=WARN
[   10.560696][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.560872][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.561048][  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
[   10.561539][  T211] RSP: 0018:ffa00000009e7918 EFLAGS: 00010286
[   10.561711][  T211] RAX: 00000000ffffffa6 RBX: ff1100000bb4cac0 RCX: 1ff400000013cee9
[   10.561915][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb4cb7c
[   10.562114][  T211] RBP: ff110000051c9000 R08: 1fe2200001769971 R09: ff1100001003d180
[   10.562317][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.562522][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000051c9000
[   10.562727][  T211] FS:  00007f306a134840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.562991][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.563159][  T211] CR2: 00007f306a340690 CR3: 000000000b579003 CR4: 0000000000771ef0
[   10.563365][  T211] PKRU: 55555554
[   10.563469][  T211] Call Trace:
[   10.563571][  T211]  <TASK>
[   10.563642][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.563783][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.563917][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.564040][  T211]  register_netdevice (net/core/dev.c:11488)
[   10.564176][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.564358][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.564501][  T211]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.564636][  T211]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.564777][  T211]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.564911][  T211]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.565043][  T211]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.565179][  T211]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.565321][  T211]  ops_init (net/core/net_namespace.c:137)
[   10.565429][  T211]  setup_net (net/core/net_namespace.c:446)
[   10.565531][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.565663][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.566320][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.566464][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[   10.566599][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.566794][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.567002][  T211]  ksys_unshare (kernel/fork.c:3243)
[   10.567138][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.567275][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.567415][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.567551][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[   10.567686][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.567878][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.568011][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.568144][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.568289][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.568430][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.568622][  T211] RIP: 0033:0x7f306a3f6bcb
[   10.568823][  T211] 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
[   10.569311][  T211] RSP: 002b:00007ffe9c06d188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.569518][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f306a3f6bcb
[   10.569775][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.569974][  T211] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.570184][  T211] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9c06f3b0
[   10.570397][  T211] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9c07086a
| [   10.575084][  T211] ------------[ cut here ]------------
| [   10.575240][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   10.575482][  T211] Modules linked in:
| [   10.576003][  T211] Tainted: [W]=WARN
[   10.576123][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.576297][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.576487][  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
[   10.576968][  T211] RSP: 0018:ffa00000009e78f8 EFLAGS: 00010286
[   10.577138][  T211] RAX: 00000000ffffffa6 RBX: ff110000093c0c80 RCX: 1ff400000013cee5
[   10.577363][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093c0d3c
[   10.577576][  T211] RBP: ff1100000ecc4000 R08: 1fe22000012781a9 R09: ff1100001003d180
[   10.577780][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.577979][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ecc4000
[   10.578181][  T211] FS:  00007f306a134840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.578429][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.578600][  T211] CR2: 00007f306a340690 CR3: 000000000b579003 CR4: 0000000000771ef0
[   10.578807][  T211] PKRU: 55555554
[   10.578908][  T211] Call Trace:
[   10.579008][  T211]  <TASK>
[   10.579077][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.579217][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.579365][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.579474][  T211]  register_netdevice (net/core/dev.c:11488)
[   10.579612][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.579784][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.579921][  T211]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.580055][  T211]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.580192][  T211]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.580329][  T211]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.580469][  T211]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.580604][  T211]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.580745][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.580882][  T211]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.581016][  T211]  ops_init (net/core/net_namespace.c:137)
[   10.581121][  T211]  setup_net (net/core/net_namespace.c:446)
[   10.581228][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.581361][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.581500][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.581636][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[   10.581776][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.581931][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.582071][  T211]  ksys_unshare (kernel/fork.c:3243)
[   10.582204][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.582344][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.582484][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.582632][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[   10.582778][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.582932][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.583066][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.583221][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.583356][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.583550][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.583729][  T211] RIP: 0033:0x7f306a3f6bcb
[   10.583871][  T211] 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
[   10.584350][  T211] RSP: 002b:00007ffe9c06d188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.584557][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f306a3f6bcb
[   10.584763][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.584963][  T211] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.585163][  T211] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9c06f3b0
[   10.585373][  T211] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9c07086a
| [   10.589588][  T211] ------------[ cut here ]------------
| [   10.589756][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   10.589984][  T211] Modules linked in:
| [   10.590358][  T211] Tainted: [W]=WARN
[   10.590464][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.590631][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.590813][  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
[   10.591286][  T211] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[   10.591460][  T211] RAX: 00000000ffffffa6 RBX: ff11000009567e00 RCX: 1ff400000013cf15
[   10.591672][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009567ebc
[   10.591889][  T211] RBP: ff1100000f5bc000 R08: 1fe22000012acfd9 R09: ff1100001003d180
[   10.592087][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.592291][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5bc000
[   10.592497][  T211] FS:  00007f306a134840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.592733][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.592899][  T211] CR2: 00007f306a340690 CR3: 000000000b579003 CR4: 0000000000771ef0
[   10.593101][  T211] PKRU: 55555554
[   10.593202][  T211] Call Trace:
[   10.593307][  T211]  <TASK>
[   10.593376][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.593515][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.593648][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.593754][  T211]  register_netdevice (net/core/dev.c:11488)
[   10.593888][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.594078][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.594221][  T211]  register_netdev (net/core/dev.c:11552)
[   10.594354][  T211]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.594495][  T211]  ops_init (net/core/net_namespace.c:137)
[   10.594596][  T211]  setup_net (net/core/net_namespace.c:446)
[   10.594696][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.594833][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.594966][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.595109][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[   10.595260][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.595404][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.595538][  T211]  ksys_unshare (kernel/fork.c:3243)
[   10.595671][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.595809][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.595943][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.596076][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[   10.596214][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.596359][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.596496][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.596629][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.596764][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.596899][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.597070][  T211] RIP: 0033:0x7f306a3f6bcb
[   10.597209][  T211] 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
[   10.597799][  T211] RSP: 002b:00007ffe9c06d188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.598004][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f306a3f6bcb
[   10.598498][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.598696][  T211] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.598989][  T211] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9c06f3b0
[   10.599190][  T211] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9c07086a
| [   10.603684][  T211] ------------[ cut here ]------------
| [   10.603936][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   10.604166][  T211] Modules linked in:
| [   10.604645][  T211] Tainted: [W]=WARN
[   10.604753][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.604920][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.605191][  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
[   10.605696][  T211] RSP: 0018:ffa00000009e7a68 EFLAGS: 00010286
[   10.605871][  T211] RAX: 00000000ffffffa6 RBX: ff1100000e0c83c0 RCX: 1ff400000013cf13
[   10.606070][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0c847c
[   10.606280][  T211] RBP: ff1100000f499000 R08: 1fe2200001c19091 R09: ff1100001003d180
[   10.606578][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.606784][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f499000
[   10.607077][  T211] FS:  00007f306a134840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.607319][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.607499][  T211] CR2: 00007f306a340690 CR3: 000000000b579003 CR4: 0000000000771ef0
[   10.607796][  T211] PKRU: 55555554
[   10.607896][  T211] Call Trace:
[   10.607999][  T211]  <TASK>
[   10.608068][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.608203][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.608440][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.608544][  T211]  register_netdevice (net/core/dev.c:11488)
[   10.608681][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.608942][  T211]  register_netdev (net/core/dev.c:11552)
[   10.609075][  T211]  sit_init_net (net/ipv6/sit.c:1860)
[   10.609214][  T211]  ops_init (net/core/net_namespace.c:137)
[   10.609319][  T211]  setup_net (net/core/net_namespace.c:446)
[   10.609785][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.610007][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.610139][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.610279][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[   10.610419][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.610645][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.610784][  T211]  ksys_unshare (kernel/fork.c:3243)
[   10.610918][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.611050][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.611283][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.611420][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[   10.611555][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.611686][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.611942][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.612075][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.612207][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.612344][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.612604][  T211] RIP: 0033:0x7f306a3f6bcb
[   10.612747][  T211] 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
[   10.613322][  T211] RSP: 002b:00007ffe9c06d188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.613541][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f306a3f6bcb
[   10.613751][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.613953][  T211] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.614154][  T211] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9c06f3b0
[   10.614461][  T211] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9c07086a
| [   10.629107][  T211] ------------[ cut here ]------------
| [   10.629273][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   10.629518][  T211] Modules linked in:
| [   10.629898][  T211] Tainted: [W]=WARN
[   10.630000][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.630173][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.630357][  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
[   10.630852][  T211] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[   10.631026][  T211] RAX: 00000000ffffffa6 RBX: ff1100000cc4a200 RCX: 1ff400000013cf15
[   10.631236][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc4a2bc
[   10.631443][  T211] RBP: ff1100001015c000 R08: 1fe2200001989459 R09: ff1100001003d180
[   10.631648][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.631856][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001015c000
[   10.632061][  T211] FS:  00007f306a134840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.632304][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.632480][  T211] CR2: 00007f306a340690 CR3: 000000000b579003 CR4: 0000000000771ef0
[   10.632683][  T211] PKRU: 55555554
[   10.632804][  T211] Call Trace:
[   10.632912][  T211]  <TASK>
[   10.632986][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.633122][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.633262][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.633367][  T211]  register_netdevice (net/core/dev.c:11488)
[   10.633511][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.633677][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.633820][  T211]  register_netdev (net/core/dev.c:11552)
[   10.633957][  T211]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.634092][  T211]  ops_init (net/core/net_namespace.c:137)
[   10.634197][  T211]  setup_net (net/core/net_namespace.c:446)
[   10.634307][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.634448][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.634584][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.634727][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[   10.634866][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.635005][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.635142][  T211]  ksys_unshare (kernel/fork.c:3243)
[   10.635283][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.635424][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.635566][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.635704][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[   10.635850][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.635985][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.636121][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.636260][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.636402][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.636542][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.636712][  T211] RIP: 0033:0x7f306a3f6bcb
[   10.636860][  T211] 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
[   10.637351][  T211] RSP: 002b:00007ffe9c06d188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.637561][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f306a3f6bcb
[   10.637770][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.637975][  T211] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.638179][  T211] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9c06f3b0
[   10.638390][  T211] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9c07086a
| [   10.663807][  T212] ------------[ cut here ]------------
| [   10.663964][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/212
| [   10.664192][  T212] Modules linked in:
| [   10.664578][  T212] Tainted: [W]=WARN
[   10.664678][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.664856][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.665030][  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
[   10.665513][  T212] RSP: 0018:ffa00000009f7020 EFLAGS: 00010286
[   10.665682][  T212] RAX: 00000000ffffffa6 RBX: ff1100000cc4a040 RCX: 1ff400000013edca
[   10.665887][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc4a0fc
[   10.666082][  T212] RBP: ff1100000a0cc000 R08: 1fe2200001989421 R09: ff1100001003ae58
[   10.666283][  T212] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.666493][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.666692][  T212] FS:  00007f3462abc840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   10.666931][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.667097][  T212] CR2: 000000001d6c0988 CR3: 0000000010296001 CR4: 0000000000771ef0
[   10.667299][  T212] PKRU: 55555554
[   10.667403][  T212] Call Trace:
[   10.667504][  T212]  <TASK>
[   10.667573][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.667710][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.667816][  T212]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.667949][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   10.668082][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   10.668220][  T212]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.668357][  T212]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.668494][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.668627][  T212]  ? 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))
[   10.668767][  T212]  netif_change_flags (net/core/dev.c:9820)
[   10.668900][  T212]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.669039][  T212]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.669175][  T212]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.669318][  T212]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.669490][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.669623][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.669760][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.669891][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.670025][  T212]  ? __kernel_text_address (kernel/extable.c:79)
[   10.670162][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.670301][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.670439][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.670578][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.670711][  T212]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.670848][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.670980][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.671114][  T212]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.671256][  T212]  ? __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)
[   10.671394][  T212]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.671528][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.671662][  T212]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.671801][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.671938][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.672072][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.672205][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.672346][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.672486][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.672619][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.672762][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.672896][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.673027][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.673162][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.673301][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.673439][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.673572][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.673706][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.673844][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.673978][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.674109][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.674247][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.674383][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.674522][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.674659][  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))
[   10.674795][  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))
[   10.674929][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.675063][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.675196][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.675338][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.675482][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.675617][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.675758][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.675892][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.676025][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.676188][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   10.676327][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.676465][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.676599][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   10.676737][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.676903][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.677049][  T212]  __sys_sendmsg (net/socket.c:2784)
[   10.677184][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.677323][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.677501][  T212]  ? 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)
[   10.677636][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.677777][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.677910][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.678043][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.678177][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.678347][  T212] RIP: 0033:0x7f3462cf608e
[   10.678494][  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
[   10.678977][  T212] RSP: 002b:00007fff211ae540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.679178][  T212] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3462cf608e
[   10.679397][  T212] RDX: 0000000000000000 RSI: 00007fff211ae5f0 RDI: 0000000000000005
[   10.679601][  T212] RBP: 00007fff211ae550 R08: 0000000000000000 R09: 0000000000000000
[   10.679808][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[   10.680009][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff211aecc0
| [   10.795644][  T216] ------------[ cut here ]------------
| [   10.796429][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.796671][  T216] Modules linked in:
| [   10.797100][  T216] Tainted: [W]=WARN
[   10.797203][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.797379][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.797585][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.798075][  T216] RSP: 0018:ffa0000000a37a80 EFLAGS: 00010286
[   10.798253][  T216] RAX: 00000000ffffffa6 RBX: ff1100000e0c9380 RCX: 1ff4000000146f16
[   10.798463][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0c943c
[   10.798666][  T216] RBP: ff1100000f741000 R08: 1fe2200001c19289 R09: ff1100000e2d2e80
[   10.798884][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.799089][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f741000
[   10.799298][  T216] FS:  00007f717812d840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.799566][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.799745][  T216] CR2: 00007f717832ec20 CR3: 000000000eb16003 CR4: 0000000000771ef0
[   10.799954][  T216] PKRU: 55555554
[   10.800057][  T216] Call Trace:
[   10.800160][  T216]  <TASK>
[   10.800236][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.800375][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.800525][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.800630][  T216]  register_netdevice (net/core/dev.c:11488)
[   10.800775][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.800947][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.801086][  T216]  register_netdev (net/core/dev.c:11552)
[   10.801228][  T216]  loopback_net_init (drivers/net/loopback.c:218)
[   10.801366][  T216]  ops_init (net/core/net_namespace.c:137)
[   10.801478][  T216]  setup_net (net/core/net_namespace.c:446)
[   10.801582][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.801724][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.801871][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.802013][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[   10.802151][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.802296][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.802447][  T216]  ksys_unshare (kernel/fork.c:3243)
[   10.802604][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.802746][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.802883][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.803021][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[   10.803161][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.803299][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.803436][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.803573][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.803710][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.803851][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.804020][  T216] RIP: 0033:0x7f71783efbcb
[   10.804162][  T216] 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
[   10.804666][  T216] RSP: 002b:00007fffad7801e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.804879][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f71783efbcb
[   10.805081][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.805288][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.805511][  T216] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffad782410
[   10.805713][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffad782869
| [   10.810101][  T216] ------------[ cut here ]------------
| [   10.810243][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.810483][  T216] Modules linked in:
| [   10.810863][  T216] Tainted: [W]=WARN
[   10.810964][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.811131][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.811313][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.811800][  T216] RSP: 0018:ffa0000000a37918 EFLAGS: 00010286
[   10.811969][  T216] RAX: 00000000ffffffa6 RBX: ff110000092f3c40 RCX: 1ff4000000146ee9
[   10.812175][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f3cfc
[   10.812382][  T216] RBP: ff1100000f79c000 R08: 1fe220000125e7a1 R09: ff1100000e2d2e80
[   10.812589][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.812800][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f79c000
[   10.813004][  T216] FS:  00007f717812d840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.813256][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.813430][  T216] CR2: 00007f717832ec20 CR3: 000000000eb16003 CR4: 0000000000771ef0
[   10.813633][  T216] PKRU: 55555554
[   10.813738][  T216] Call Trace:
[   10.813839][  T216]  <TASK>
[   10.813909][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.814071][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.814206][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.814314][  T216]  register_netdevice (net/core/dev.c:11488)
[   10.814456][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.814624][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.814768][  T216]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.814904][  T216]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.815047][  T216]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.815183][  T216]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.815322][  T216]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.815476][  T216]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.815615][  T216]  ops_init (net/core/net_namespace.c:137)
[   10.815724][  T216]  setup_net (net/core/net_namespace.c:446)
[   10.815827][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.815969][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.816104][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.816251][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[   10.816395][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.816533][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.816668][  T216]  ksys_unshare (kernel/fork.c:3243)
[   10.817347][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.817492][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.817627][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.817818][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[   10.817956][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.818090][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.818226][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.818369][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.818511][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.818647][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.818874][  T216] RIP: 0033:0x7f71783efbcb
[   10.819074][  T216] 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
[   10.819587][  T216] RSP: 002b:00007fffad7801e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.819848][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f71783efbcb
[   10.820048][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.820262][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.820466][  T216] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffad782410
[   10.820666][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffad782869
| [   10.831211][  T216] ------------[ cut here ]------------
| [   10.831356][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.831603][  T216] Modules linked in:
| [   10.832524][  T216] Tainted: [W]=WARN
[   10.832626][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.832855][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.833033][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.833526][  T216] RSP: 0018:ffa0000000a378f8 EFLAGS: 00010286
[   10.833695][  T216] RAX: 00000000ffffffa6 RBX: ff1100000bb4cc80 RCX: 1ff4000000146ee5
[   10.833953][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb4cd3c
[   10.834215][  T216] RBP: ff11000004b34000 R08: 1fe22000017699a9 R09: ff1100000e2d2e80
[   10.834424][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.834626][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b34000
[   10.834890][  T216] FS:  00007f717812d840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   10.835127][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.835297][  T216] CR2: 00007f717832ec20 CR3: 000000000eb16003 CR4: 0000000000771ef0
[   10.835504][  T216] PKRU: 55555554
[   10.835608][  T216] Call Trace:
[   10.835708][  T216]  <TASK>
[   10.835841][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.835978][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.836115][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.836224][  T216]  register_netdevice (net/core/dev.c:11488)
[   10.836362][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.836535][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.836672][  T216]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.836864][  T216]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.837001][  T216]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.837137][  T216]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.837278][  T216]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.837426][  T216]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.837562][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.837770][  T216]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.837907][  T216]  ops_init (net/core/net_namespace.c:137)
[   10.838010][  T216]  setup_net (net/core/net_namespace.c:446)
[   10.838114][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.838253][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.838391][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.838528][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[   10.838664][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.838859][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.838995][  T216]  ksys_unshare (kernel/fork.c:3243)
[   10.839131][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.839271][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.839416][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.839551][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[   10.839687][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.839879][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.840013][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.840149][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.840289][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.840428][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.840594][  T216] RIP: 0033:0x7f71783efbcb
[   10.840794][  T216] 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
[   10.841278][  T216] RSP: 002b:00007fffad7801e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.841484][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f71783efbcb
[   10.841684][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.841942][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.842144][  T216] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffad782410
[   10.842349][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffad782869
| [   10.846878][  T216] ------------[ cut here ]------------
| [   10.847030][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/216
| [   10.847263][  T216] Modules linked in:
| [   10.847644][  T216] Tainted: [W]=WARN
[   10.847763][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.847932][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.848104][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.848593][  T216] RSP: 0018:ffa0000000a37a78 EFLAGS: 00010286
[   10.848765][  T216] RAX: 00000000ffffffa6 RBX: ff11000009570740 RCX: 1ff4000000146f15
[   10.848964][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095707fc
[   10.849163][  T216] RBP: ff1100000f7d4000 R08: 1fe22000012ae101 R09: ff1100000e2d2e80
[   10.849368][  T216] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.849574][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f7d4000
[   10.849787][  T216] FS:  00007f717812d840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   10.850022][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.850191][  T216] CR2: 000055b433d6fa98 CR3: 000000000eb16004 CR4: 0000000000771ef0
[   10.850401][  T216] PKRU: 55555554
[   10.850501][  T216] Call Trace:
[   10.850600][  T216]  <TASK>
[   10.850668][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.850815][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.850949][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.851050][  T216]  register_netdevice (net/core/dev.c:11488)
[   10.851185][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.851355][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.851497][  T216]  register_netdev (net/core/dev.c:11552)
[   10.851631][  T216]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.851772][  T216]  ops_init (net/core/net_namespace.c:137)
[   10.851874][  T216]  setup_net (net/core/net_namespace.c:446)
[   10.851974][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.852106][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.852244][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.852379][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[   10.852538][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.852678][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.852823][  T216]  ksys_unshare (kernel/fork.c:3243)
[   10.852956][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.853089][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.853227][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.853361][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[   10.853509][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.853643][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.853783][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.853918][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.854051][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.854185][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.854356][  T216] RIP: 0033:0x7f71783efbcb
[   10.854502][  T216] 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
[   10.854986][  T216] RSP: 002b:00007fffad7801e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.855187][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f71783efbcb
[   10.855396][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.855595][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.855799][  T216] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffad782410
[   10.856015][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffad782869
| [   10.867264][  T216] ------------[ cut here ]------------
| [   10.867413][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/216
| [   10.867647][  T216] Modules linked in:
| [   10.868077][  T216] Tainted: [W]=WARN
[   10.868179][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.868350][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.868530][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.869057][  T216] RSP: 0018:ffa0000000a37a68 EFLAGS: 00010286
[   10.869228][  T216] RAX: 00000000ffffffa6 RBX: ff1100000b406740 RCX: 1ff4000000146f13
[   10.869434][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4067fc
[   10.869635][  T216] RBP: ff11000005ec1000 R08: 1fe2200001680d01 R09: ff1100000e2d2e80
[   10.869839][  T216] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.870038][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005ec1000
[   10.870243][  T216] FS:  00007f717812d840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   10.870500][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.870667][  T216] CR2: 000055b433d6fa98 CR3: 000000000eb16004 CR4: 0000000000771ef0
[   10.870878][  T216] PKRU: 55555554
[   10.870978][  T216] Call Trace:
[   10.871077][  T216]  <TASK>
[   10.871152][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.871295][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.871439][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.871542][  T216]  register_netdevice (net/core/dev.c:11488)
[   10.871678][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.871852][  T216]  register_netdev (net/core/dev.c:11552)
[   10.871985][  T216]  sit_init_net (net/ipv6/sit.c:1860)
[   10.872119][  T216]  ops_init (net/core/net_namespace.c:137)
[   10.872227][  T216]  setup_net (net/core/net_namespace.c:446)
[   10.872329][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.872474][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.872609][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.872750][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[   10.872884][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.873021][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.873154][  T216]  ksys_unshare (kernel/fork.c:3243)
[   10.873290][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.873430][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.873564][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.873697][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[   10.873853][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.873987][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.874121][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.874258][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.874398][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.874532][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.874698][  T216] RIP: 0033:0x7f71783efbcb
[   10.874842][  T216] 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
[   10.875349][  T216] RSP: 002b:00007fffad7801e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.875556][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f71783efbcb
[   10.875761][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.875972][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.876172][  T216] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffad782410
[   10.876378][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffad782869
| [   10.881230][  T216] ------------[ cut here ]------------
| [   10.881392][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/216
| [   10.881626][  T216] Modules linked in:
| [   10.882006][  T216] Tainted: [W]=WARN
[   10.882107][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.882282][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.882462][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.882950][  T216] RSP: 0018:ffa0000000a37a78 EFLAGS: 00010286
[   10.883118][  T216] RAX: 00000000ffffffa6 RBX: ff1100000b7bf380 RCX: 1ff4000000146f15
[   10.883325][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7bf43c
[   10.883533][  T216] RBP: ff11000008071000 R08: 1fe22000016f7e89 R09: ff1100000e2d2e80
[   10.883739][  T216] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.883949][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008071000
[   10.884152][  T216] FS:  00007f717812d840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   10.884398][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.884568][  T216] CR2: 000055b433d6fa98 CR3: 000000000eb16004 CR4: 0000000000771ef0
[   10.884781][  T216] PKRU: 55555554
[   10.884885][  T216] Call Trace:
[   10.884991][  T216]  <TASK>
[   10.885060][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.885195][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.885334][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.885454][  T216]  register_netdevice (net/core/dev.c:11488)
[   10.885593][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.885763][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.885913][  T216]  register_netdev (net/core/dev.c:11552)
[   10.886048][  T216]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.886197][  T216]  ops_init (net/core/net_namespace.c:137)
[   10.886305][  T216]  setup_net (net/core/net_namespace.c:446)
[   10.886412][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.886546][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.886681][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.886822][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[   10.886958][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.887095][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.887232][  T216]  ksys_unshare (kernel/fork.c:3243)
[   10.887365][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.887506][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.887641][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.887781][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[   10.887917][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.888052][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.888199][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.888356][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.888498][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.888633][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.888803][  T216] RIP: 0033:0x7f71783efbcb
[   10.888943][  T216] 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
[   10.889431][  T216] RSP: 002b:00007fffad7801e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.889633][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f71783efbcb
[   10.889840][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.890051][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.890256][  T216] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffad782410
[   10.890460][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffad782869
| [   10.917926][  T217] ------------[ cut here ]------------
| [   10.918155][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [   10.918465][  T217] Modules linked in:
| [   10.918961][  T217] Tainted: [W]=WARN
[   10.919116][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.919368][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.919617][  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
[   10.920159][  T217] RSP: 0018:ffa0000000a47020 EFLAGS: 00010286
[   10.920421][  T217] RAX: 00000000ffffffa6 RBX: ff1100000b007540 RCX: 1ff4000000148dca
[   10.920671][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b0075fc
[   10.920938][  T217] RBP: ff1100000f741000 R08: 1fe2200001600ec1 R09: ff1100000fd55158
[   10.921188][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.921469][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.921756][  T217] FS:  00007fcfa4361840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   10.922041][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.922266][  T217] CR2: 00007fcfa46311a0 CR3: 0000000008c1d006 CR4: 0000000000771ef0
[   10.922531][  T217] PKRU: 55555554
[   10.922702][  T217] Call Trace:
[   10.922867][  T217]  <TASK>
[   10.922987][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.923174][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.923341][  T217]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.923539][  T217]  __dev_notify_flags (net/core/dev.c:9787)
[   10.923741][  T217]  ? netif_change_name (net/core/dev.c:1495)
[   10.923925][  T217]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.924132][  T217]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.924331][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.924528][  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))
[   10.924732][  T217]  netif_change_flags (net/core/dev.c:9820)
[   10.924918][  T217]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.925103][  T217]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.925324][  T217]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.925527][  T217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.925778][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.925964][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.926148][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.926344][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.926544][  T217]  ? __kernel_text_address (kernel/extable.c:79)
[   10.926769][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.926956][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.927142][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.927339][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.927535][  T217]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.927732][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.927937][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.928123][  T217]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.928322][  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)
[   10.928516][  T217]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.928701][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.928902][  T217]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.929091][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.929312][  T217]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.929507][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.929694][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.929906][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.930093][  T217]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.930290][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.930507][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.930691][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.930896][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.931081][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.931434][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.931622][  T217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.931822][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.932026][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.932213][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.932416][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.932600][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.932801][  T217]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.933008][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.933217][  T217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.933425][  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))
[   10.933610][  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))
[   10.933814][  T217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.934001][  T217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.934186][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.934431][  T217]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.934639][  T217]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.934838][  T217]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.935033][  T217]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.935240][  T217]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.935439][  T217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.935664][  T217]  ? move_addr_to_kernel (net/socket.c:258)
[   10.935872][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.936058][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.936248][  T217]  ___sys_sendmsg (net/socket.c:2752)
[   10.936440][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.936674][  T217]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.936890][  T217]  __sys_sendmsg (net/socket.c:2784)
[   10.937079][  T217]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.937272][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.937505][  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)
[   10.937692][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.937892][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.938076][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.938274][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.938469][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.938685][  T217] RIP: 0033:0x7fcfa459b08e
[   10.938893][  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
[   10.939437][  T217] RSP: 002b:00007ffd2f40a8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.939689][  T217] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcfa459b08e
[   10.939954][  T217] RDX: 0000000000000000 RSI: 00007ffd2f40a9a0 RDI: 0000000000000005
[   10.940205][  T217] RBP: 00007ffd2f40a900 R08: 0000000000000000 R09: 0000000000000000
[   10.940471][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[   10.940737][  T217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2f40b070
| [   11.111094][  T221] ------------[ cut here ]------------
| [   11.111293][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/221
| [   11.111534][  T221] Modules linked in:
| [   11.111928][  T221] Tainted: [W]=WARN
[   11.112032][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.112200][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.112382][  T221] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.112911][  T221] RSP: 0018:ffa0000000617a80 EFLAGS: 00010286
[   11.113081][  T221] RAX: 00000000ffffffa6 RBX: ff1100000f9d0c80 RCX: 1ff40000000c2f16
[   11.113294][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9d0d3c
[   11.113506][  T221] RBP: ff110000058b1000 R08: 1fe2200001f3a1a9 R09: ff1100000a8b0b80
[   11.113712][  T221] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.113922][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058b1000
[   11.114129][  T221] FS:  00007f10811d9840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   11.114373][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.114555][  T221] CR2: 00007f10813dac20 CR3: 000000000e312004 CR4: 0000000000771ef0
[   11.114765][  T221] PKRU: 55555554
[   11.114869][  T221] Call Trace:
[   11.114970][  T221]  <TASK>
[   11.115042][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.115178][  T221]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.115321][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.115429][  T221]  register_netdevice (net/core/dev.c:11488)
[   11.115567][  T221]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.116084][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.116228][  T221]  register_netdev (net/core/dev.c:11552)
[   11.116364][  T221]  loopback_net_init (drivers/net/loopback.c:218)
[   11.116510][  T221]  ops_init (net/core/net_namespace.c:137)
[   11.116618][  T221]  setup_net (net/core/net_namespace.c:446)
[   11.116793][  T221]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.116931][  T221]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.117069][  T221]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.117208][  T221]  copy_net_ns (net/core/net_namespace.c:579)
[   11.117371][  T221]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.117526][  T221]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.117663][  T221]  ksys_unshare (kernel/fork.c:3243)
[   11.117881][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.118019][  T221]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.118152][  T221]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.118292][  T221]  ? __ia32_sys_open (fs/open.c:1374)
[   11.118433][  T221]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.118567][  T221]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.118702][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.118902][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.119038][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.119172][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.119343][  T221] RIP: 0033:0x7f108149bbcb
[   11.119491][  T221] 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
[   11.120027][  T221] RSP: 002b:00007ffdf069dc58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.120242][  T221] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f108149bbcb
[   11.120449][  T221] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.120651][  T221] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.120919][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf069fe80
[   11.121120][  T221] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf06a1869
| [   11.125523][  T221] ------------[ cut here ]------------
| [   11.125681][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/221
| [   11.125924][  T221] Modules linked in:
| [   11.126301][  T221] Tainted: [W]=WARN
[   11.126405][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.126602][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.126909][  T221] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.127396][  T221] RSP: 0018:ffa0000000617918 EFLAGS: 00010286
[   11.127567][  T221] RAX: 00000000ffffffa6 RBX: ff1100000b313380 RCX: 1ff40000000c2ee9
[   11.127776][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b31343c
[   11.127977][  T221] RBP: ff1100000f884000 R08: 1fe2200001662689 R09: ff1100000a8b0b80
[   11.128177][  T221] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.128381][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f884000
[   11.128601][  T221] FS:  00007f10811d9840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   11.128842][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.129010][  T221] CR2: 00007f10813dac20 CR3: 000000000e312004 CR4: 0000000000771ef0
[   11.129232][  T221] PKRU: 55555554
[   11.129337][  T221] Call Trace:
[   11.129442][  T221]  <TASK>
[   11.129512][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.129649][  T221]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.129789][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.129891][  T221]  register_netdevice (net/core/dev.c:11488)
[   11.130028][  T221]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.130194][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.130334][  T221]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.130476][  T221]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.130612][  T221]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.130755][  T221]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.130889][  T221]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.131024][  T221]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.131161][  T221]  ops_init (net/core/net_namespace.c:137)
[   11.131268][  T221]  setup_net (net/core/net_namespace.c:446)
[   11.131370][  T221]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.131513][  T221]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.131649][  T221]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.131792][  T221]  copy_net_ns (net/core/net_namespace.c:579)
[   11.131925][  T221]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.132060][  T221]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.132205][  T221]  ksys_unshare (kernel/fork.c:3243)
[   11.132344][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.132519][  T221]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.132652][  T221]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.132791][  T221]  ? __ia32_sys_open (fs/open.c:1374)
[   11.132926][  T221]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.133058][  T221]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.133196][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.133334][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.133478][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.133615][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.133787][  T221] RIP: 0033:0x7f108149bbcb
[   11.133925][  T221] 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
[   11.134406][  T221] RSP: 002b:00007ffdf069dc58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.134618][  T221] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f108149bbcb
[   11.134826][  T221] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.135044][  T221] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.135251][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf069fe80
[   11.135458][  T221] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf06a1869
| [   11.139441][  T221] ------------[ cut here ]------------
| [   11.139585][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/221
| [   11.139828][  T221] Modules linked in:
| [   11.140210][  T221] Tainted: [W]=WARN
[   11.140319][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.140497][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.140674][  T221] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.141166][  T221] RSP: 0018:ffa00000006178f8 EFLAGS: 00010286
[   11.141344][  T221] RAX: 00000000ffffffa6 RBX: ff1100000b312580 RCX: 1ff40000000c2ee5
[   11.141554][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b31263c
[   11.141762][  T221] RBP: ff1100000f879000 R08: 1fe22000016624c9 R09: ff1100000a8b0b80
[   11.141965][  T221] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.142168][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f879000
[   11.142381][  T221] FS:  00007f10811d9840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   11.142625][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.142800][  T221] CR2: 00007f10813dac20 CR3: 000000000e312004 CR4: 0000000000771ef0
[   11.143006][  T221] PKRU: 55555554
[   11.143108][  T221] Call Trace:
[   11.143215][  T221]  <TASK>
[   11.143291][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.143435][  T221]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.143573][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.143679][  T221]  register_netdevice (net/core/dev.c:11488)
[   11.143823][  T221]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.143993][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.144132][  T221]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.144281][  T221]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.144422][  T221]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.144561][  T221]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.144698][  T221]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.144843][  T221]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.144982][  T221]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.145121][  T221]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.145262][  T221]  ops_init (net/core/net_namespace.c:137)
[   11.145370][  T221]  setup_net (net/core/net_namespace.c:446)
[   11.145482][  T221]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.145619][  T221]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.145767][  T221]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.145907][  T221]  copy_net_ns (net/core/net_namespace.c:579)
[   11.146043][  T221]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.146183][  T221]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.146328][  T221]  ksys_unshare (kernel/fork.c:3243)
[   11.146470][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.146608][  T221]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.146752][  T221]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.146890][  T221]  ? __ia32_sys_open (fs/open.c:1374)
[   11.147028][  T221]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.147165][  T221]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.147309][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.147465][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.147603][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.147746][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.147915][  T221] RIP: 0033:0x7f108149bbcb
[   11.148057][  T221] 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
[   11.148554][  T221] RSP: 002b:00007ffdf069dc58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.148765][  T221] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f108149bbcb
[   11.148991][  T221] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.149194][  T221] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.149408][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf069fe80
[   11.149615][  T221] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf06a1869
| [   11.153893][  T221] ------------[ cut here ]------------
| [   11.154033][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/221
| [   11.154271][  T221] Modules linked in:
| [   11.154655][  T221] Tainted: [W]=WARN
[   11.154779][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.154956][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.155135][  T221] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.155630][  T221] RSP: 0018:ffa0000000617a78 EFLAGS: 00010286
[   11.155808][  T221] RAX: 00000000ffffffa6 RBX: ff1100000f9d18c0 RCX: 1ff40000000c2f15
[   11.156021][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9d197c
[   11.156228][  T221] RBP: ff1100000fa41000 R08: 1fe2200001f3a331 R09: ff1100000a8b0b80
[   11.156437][  T221] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.156643][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa41000
[   11.156854][  T221] FS:  00007f10811d9840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   11.157096][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.157273][  T221] CR2: 00007f10813dac20 CR3: 000000000e312004 CR4: 0000000000771ef0
[   11.157484][  T221] PKRU: 55555554
[   11.157586][  T221] Call Trace:
[   11.157689][  T221]  <TASK>
[   11.157766][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.157903][  T221]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.158039][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.158144][  T221]  register_netdevice (net/core/dev.c:11488)
[   11.158292][  T221]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.158468][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.158606][  T221]  register_netdev (net/core/dev.c:11552)
[   11.158749][  T221]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.158887][  T221]  ops_init (net/core/net_namespace.c:137)
[   11.158992][  T221]  setup_net (net/core/net_namespace.c:446)
[   11.159096][  T221]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.159239][  T221]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.159375][  T221]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.159520][  T221]  copy_net_ns (net/core/net_namespace.c:579)
[   11.159657][  T221]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.159800][  T221]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.159937][  T221]  ksys_unshare (kernel/fork.c:3243)
[   11.160072][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.160217][  T221]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.160357][  T221]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.160500][  T221]  ? __ia32_sys_open (fs/open.c:1374)
[   11.160637][  T221]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.160779][  T221]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.160915][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.161050][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.161185][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.161328][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.161504][  T221] RIP: 0033:0x7f108149bbcb
[   11.161648][  T221] 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
[   11.162135][  T221] RSP: 002b:00007ffdf069dc58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.162347][  T221] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f108149bbcb
[   11.162576][  T221] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.162784][  T221] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.162986][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf069fe80
[   11.163192][  T221] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf06a1869
| [   11.168589][  T221] ------------[ cut here ]------------
| [   11.168752][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/221
| [   11.168991][  T221] Modules linked in:
| [   11.169380][  T221] Tainted: [W]=WARN
[   11.169489][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.169660][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.169843][  T221] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.170333][  T221] RSP: 0018:ffa0000000617a68 EFLAGS: 00010286
[   11.170510][  T221] RAX: 00000000ffffffa6 RBX: ff1100000b312900 RCX: 1ff40000000c2f13
[   11.170712][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3129bc
[   11.170921][  T221] RBP: ff1100000e984000 R08: 1fe2200001662539 R09: ff1100000a8b0b80
[   11.171122][  T221] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.171328][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e984000
[   11.171543][  T221] FS:  00007f10811d9840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   11.171787][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.171958][  T221] CR2: 00005590d9ca7c98 CR3: 000000000e312005 CR4: 0000000000771ef0
[   11.172163][  T221] PKRU: 55555554
[   11.172269][  T221] Call Trace:
[   11.172369][  T221]  <TASK>
[   11.172443][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.172586][  T221]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.172729][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.172832][  T221]  register_netdevice (net/core/dev.c:11488)
[   11.172970][  T221]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.173139][  T221]  register_netdev (net/core/dev.c:11552)
[   11.173279][  T221]  sit_init_net (net/ipv6/sit.c:1860)
[   11.173423][  T221]  ops_init (net/core/net_namespace.c:137)
[   11.173529][  T221]  setup_net (net/core/net_namespace.c:446)
[   11.173632][  T221]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.173774][  T221]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.173909][  T221]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.174047][  T221]  copy_net_ns (net/core/net_namespace.c:579)
[   11.174184][  T221]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.174326][  T221]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.174468][  T221]  ksys_unshare (kernel/fork.c:3243)
[   11.174603][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.174746][  T221]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.174895][  T221]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.175031][  T221]  ? __ia32_sys_open (fs/open.c:1374)
[   11.175168][  T221]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.175308][  T221]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.175450][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.175586][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.175728][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.175863][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.176032][  T221] RIP: 0033:0x7f108149bbcb
[   11.176175][  T221] 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
[   11.176669][  T221] RSP: 002b:00007ffdf069dc58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.176880][  T221] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f108149bbcb
[   11.177082][  T221] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.177292][  T221] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.177506][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf069fe80
[   11.177709][  T221] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf06a1869
| [   11.187995][  T221] ------------[ cut here ]------------
| [   11.188133][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/221
| [   11.188368][  T221] Modules linked in:
| [   11.188756][  T221] Tainted: [W]=WARN
[   11.188860][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.189038][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.189220][  T221] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.189712][  T221] RSP: 0018:ffa0000000617a78 EFLAGS: 00010286
[   11.189976][  T221] RAX: 00000000ffffffa6 RBX: ff1100000b406c80 RCX: 1ff40000000c2f15
[   11.190194][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b406d3c
[   11.190404][  T221] RBP: ff1100000f954000 R08: 1fe2200001680da9 R09: ff1100000a8b0b80
[   11.190604][  T221] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.190811][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f954000
[   11.191014][  T221] FS:  00007f10811d9840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   11.191257][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.191434][  T221] CR2: 00005590d9ca7c98 CR3: 000000000e312005 CR4: 0000000000771ef0
[   11.191645][  T221] PKRU: 55555554
[   11.191750][  T221] Call Trace:
[   11.191851][  T221]  <TASK>
[   11.191921][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.192057][  T221]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.192192][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.192297][  T221]  register_netdevice (net/core/dev.c:11488)
[   11.192437][  T221]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.192602][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.192744][  T221]  register_netdev (net/core/dev.c:11552)
[   11.192877][  T221]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.193011][  T221]  ops_init (net/core/net_namespace.c:137)
[   11.193113][  T221]  setup_net (net/core/net_namespace.c:446)
[   11.193220][  T221]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.193353][  T221]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.193492][  T221]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.193628][  T221]  copy_net_ns (net/core/net_namespace.c:579)
[   11.193767][  T221]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.193905][  T221]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.194039][  T221]  ksys_unshare (kernel/fork.c:3243)
[   11.194172][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.194316][  T221]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.194454][  T221]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.194589][  T221]  ? __ia32_sys_open (fs/open.c:1374)
[   11.194731][  T221]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.194866][  T221]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.195001][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.195134][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.195273][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.195414][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.195580][  T221] RIP: 0033:0x7f108149bbcb
[   11.195725][  T221] 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
[   11.196205][  T221] RSP: 002b:00007ffdf069dc58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.196417][  T221] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f108149bbcb
[   11.196616][  T221] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.196821][  T221] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.197018][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf069fe80
[   11.197221][  T221] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf06a1869
| [   11.231198][  T222] ------------[ cut here ]------------
| [   11.231404][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/222
| [   11.231694][  T222] Modules linked in:
| [   11.232942][  T222] Tainted: [W]=WARN
[   11.233095][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.233326][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.233562][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.234104][  T222] RSP: 0018:ffa00000008d7020 EFLAGS: 00010286
[   11.234339][  T222] RAX: 00000000ffffffa6 RBX: ff1100000bf37e00 RCX: 1ff400000011adca
[   11.234602][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf37ebc
[   11.234867][  T222] RBP: ff110000058b1000 R08: 1fe22000017e6fd9 R09: ff1100000fa2d158
[   11.235122][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.235384][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.235647][  T222] FS:  00007fb6f833e840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   11.235943][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.236162][  T222] CR2: 0000000038995988 CR3: 0000000008c1d004 CR4: 0000000000771ef0
[   11.236439][  T222] PKRU: 55555554
[   11.236592][  T222] Call Trace:
[   11.236756][  T222]  <TASK>
[   11.236877][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.237066][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.237225][  T222]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.237421][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   11.237611][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   11.237813][  T222]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.238001][  T222]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.238186][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.238381][  T222]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.238579][  T222]  netif_change_flags (net/core/dev.c:9820)
[   11.238780][  T222]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.238970][  T222]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.239160][  T222]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.239358][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.239589][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.239790][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.239977][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.240161][  T222]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.240362][  T222]  ? __kernel_text_address (kernel/extable.c:79)
[   11.240558][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.240761][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.240945][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.241133][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.241331][  T222]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.241526][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.241731][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.241915][  T222]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.242100][  T222]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.242300][  T222]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.242498][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.242686][  T222]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.242907][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.243096][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.243301][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.243499][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.243686][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.243884][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.244068][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.244263][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.244456][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.244648][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.244853][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.245049][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.245239][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.245434][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.245622][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.245819][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.246007][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.246193][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.246396][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.246583][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.246782][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.246971][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.247154][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.247353][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.247545][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.247748][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.247934][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.248120][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.248318][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.248518][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.248707][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.248905][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.249123][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   11.249322][  T222]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.249519][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.249709][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   11.249908][  T222]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.250125][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.250336][  T222]  __sys_sendmsg (net/socket.c:2784)
[   11.250540][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.250742][  T222]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.250962][  T222]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.251148][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.251344][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.251539][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.251737][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.251923][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.252143][  T222] RIP: 0033:0x7fb6f857808e
[   11.252345][  T222] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.252890][  T222] RSP: 002b:00007ffefad2ce90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.253146][  T222] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb6f857808e
[   11.253414][  T222] RDX: 0000000000000000 RSI: 00007ffefad2cf40 RDI: 0000000000000005
[   11.253665][  T222] RBP: 00007ffefad2cea0 R08: 0000000000000000 R09: 0000000000000000
[   11.253929][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9f
[   11.254178][  T222] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefad2d610
| [   11.938785][  T241] ------------[ cut here ]------------
| [   11.939001][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/241
| [   11.939253][  T241] Modules linked in:
| [   11.939751][  T241] Tainted: [W]=WARN
[   11.939855][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.940054][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.940239][  T241] 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
[   11.940766][  T241] RSP: 0018:ffa0000000b26e30 EFLAGS: 00010286
[   11.940940][  T241] RAX: 00000000ffffffa6 RBX: ff1100000bb90900 RCX: 1ff4000000164d8c
[   11.941142][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb909bc
[   11.941353][  T241] RBP: ff11000009c89000 R08: 1fe2200001772139 R09: ff1100000fc7ae80
[   11.941566][  T241] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.941779][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f778400
[   11.941988][  T241] FS:  00007fbae7b3d840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   11.942231][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.942417][  T241] CR2: 00000000004eb188 CR3: 000000001036c005 CR4: 0000000000771ef0
[   11.942643][  T241] PKRU: 55555554
[   11.942757][  T241] Call Trace:
[   11.942862][  T241]  <TASK>
[   11.942935][  T241]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.943109][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.943253][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.943358][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.943504][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.943644][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   11.943791][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.943928][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   11.944066][  T241]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.944206][  T241]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.944383][  T241]  ? 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)
[   11.944563][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.944703][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.944929][  T241]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.945068][  T241]  veth_newlink (drivers/net/veth.c:1871)
[   11.945209][  T241]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.945352][  T241]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.945596][  T241]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.945828][  T241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.946048][  T241]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.946187][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.946330][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.946475][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.946617][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.946839][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.946980][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.947116][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.947259][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.947408][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.947551][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.947692][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.947980][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.948118][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.948259][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.948400][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.948543][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.948683][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.948896][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.949033][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.949170][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.949311][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.949456][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.949594][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.949779][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.949917][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.950055][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.950196][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.950337][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.950482][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.950620][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.950764][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.950903][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.951042][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.951180][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.951325][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.951470][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.951610][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.951788][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   11.951927][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.952065][  T241]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.952204][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   11.952347][  T241]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.952491][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.952633][  T241]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.952782][  T241]  ? 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))
[   11.952922][  T241]  __sys_sendmsg (net/socket.c:2784)
[   11.953061][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.953202][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.953345][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.953489][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.953627][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.953770][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.953908][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.954080][  T241] RIP: 0033:0x7fbae7d7708e
[   11.954229][  T241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.954727][  T241] RSP: 002b:00007fffb0bc95c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.954937][  T241] RAX: ffffffffffffffda RBX: 00007fffb0bc9d70 RCX: 00007fbae7d7708e
[   11.955142][  T241] RDX: 0000000000000000 RSI: 00007fffb0bc9670 RDI: 0000000000000005
[   11.955353][  T241] RBP: 00007fffb0bc95d0 R08: 0000000000000000 R09: 0000000000000000
[   11.955563][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   11.955774][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb0bc9d40
| [   11.972068][  T241] ------------[ cut here ]------------
| [   11.972225][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/241
| [   11.972471][  T241] Modules linked in:
| [   11.972868][  T241] Tainted: [W]=WARN
[   11.972971][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.973145][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.973326][  T241] 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
[   11.973815][  T241] RSP: 0018:ffa0000000b271b0 EFLAGS: 00010286
[   11.973986][  T241] RAX: 00000000ffffffa6 RBX: ff1100000274d700 RCX: 1ff4000000164dfc
[   11.974189][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000274d7bc
[   11.974399][  T241] RBP: ff110000096bc000 R08: 1fe22000004e9af9 R09: ff1100000fc7ae80
[   11.974606][  T241] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.974819][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff86803b20
[   11.975020][  T241] FS:  00007fbae7b3d840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   11.975261][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.975437][  T241] CR2: 00000000004eb188 CR3: 000000001036c005 CR4: 0000000000771ef0
[   11.975642][  T241] PKRU: 55555554
[   11.975749][  T241] Call Trace:
[   11.975850][  T241]  <TASK>
[   11.975920][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.976058][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.976162][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   11.976303][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   11.976445][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.976581][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.976723][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.976860][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.976996][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.977130][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.977270][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.977418][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.977558][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.977695][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.977835][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.977972][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.978108][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.978247][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.978389][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.978533][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.978669][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.978810][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.978944][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.979079][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.979221][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.979357][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.979499][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.979638][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.979779][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.979918][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.980053][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.980191][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.980331][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.980475][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.980628][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.980771][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.980907][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.981045][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.981182][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.981322][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.981496][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   11.981636][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.981778][  T241]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.981915][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   11.982050][  T241]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.982186][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.982331][  T241]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.982476][  T241]  ? 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))
[   11.982617][  T241]  __sys_sendmsg (net/socket.c:2784)
[   11.982764][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.982906][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.983041][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.983177][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.983318][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.983460][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.983597][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.983795][  T241] RIP: 0033:0x7fbae7d7708e
[   11.983939][  T241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.984433][  T241] RSP: 002b:00007fffb0bc95c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.984638][  T241] RAX: ffffffffffffffda RBX: 00007fffb0bc9d70 RCX: 00007fbae7d7708e
[   11.984850][  T241] RDX: 0000000000000000 RSI: 00007fffb0bc9670 RDI: 0000000000000005
[   11.985053][  T241] RBP: 00007fffb0bc95d0 R08: 0000000000000000 R09: 0000000000000000
[   11.985260][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   11.985469][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb0bc9d40
| [   12.015576][  T242] ------------[ cut here ]------------
| [   12.015772][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/242
| [   12.016057][  T242] Modules linked in:
| [   12.016554][  T242] Tainted: [W]=WARN
[   12.016706][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.016950][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.017184][  T242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.017741][  T242] RSP: 0018:ffa0000000b36e30 EFLAGS: 00010286
[   12.017961][  T242] RAX: 00000000ffffffa6 RBX: ff1100000b78b380 RCX: 1ff4000000166d8c
[   12.018212][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b78b43c
[   12.018476][  T242] RBP: ff110000103ec000 R08: 1fe22000016f1689 R09: ff1100000fc78b80
[   12.018744][  T242] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.018993][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b201200
[   12.019248][  T242] FS:  00007f2df0085840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   12.019542][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.019776][  T242] CR2: 00000000004eb188 CR3: 0000000010372001 CR4: 0000000000771ef0
[   12.020027][  T242] PKRU: 55555554
[   12.020177][  T242] Call Trace:
[   12.020337][  T242]  <TASK>
[   12.020466][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.020657][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.020825][  T242]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.021046][  T242]  __dev_notify_flags (net/core/dev.c:9787)
[   12.021238][  T242]  ? netif_change_name (net/core/dev.c:1495)
[   12.021432][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.021619][  T242]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.021817][  T242]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.022004][  T242]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.022192][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.022399][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.022588][  T242]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.022786][  T242]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.022969][  T242]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.023157][  T242]  veth_newlink (drivers/net/veth.c:1871)
[   12.023355][  T242]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.023544][  T242]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.023906][  T242]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.024163][  T242]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.024450][  T242]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.024691][  T242]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.024948][  T242]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.025153][  T242]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.025350][  T242]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.025548][  T242]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.025751][  T242]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.025936][  T242]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.026122][  T242]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.026323][  T242]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.026522][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.026729][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.026913][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.027102][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.027299][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.027492][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.027683][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.027882][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.028070][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.028262][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.028456][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.028645][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.028846][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.029031][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.029220][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.029417][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.029605][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.029807][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.029992][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.030184][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.030381][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.030575][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.030773][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.030961][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.031150][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.031347][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.031545][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.031743][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.031959][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   12.032146][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.032341][  T242]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.032538][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   12.032735][  T242]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.032923][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.033112][  T242]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.033311][  T242]  ? 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))
[   12.033507][  T242]  __sys_sendmsg (net/socket.c:2784)
[   12.033696][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.033899][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.034084][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.034281][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.034476][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.034662][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.034863][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.035080][  T242] RIP: 0033:0x7f2df02bf08e
[   12.035283][  T242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.035837][  T242] RSP: 002b:00007ffd0f0cf6d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.036093][  T242] RAX: ffffffffffffffda RBX: 00007ffd0f0cfe80 RCX: 00007f2df02bf08e
[   12.036355][  T242] RDX: 0000000000000000 RSI: 00007ffd0f0cf780 RDI: 0000000000000005
[   12.036613][  T242] RBP: 00007ffd0f0cf6e0 R08: 0000000000000000 R09: 0000000000000000
[   12.036885][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.037136][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0f0cfe50
| [   12.045062][  T242] ------------[ cut here ]------------
| [   12.045222][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/242
| [   12.045478][  T242] Modules linked in:
| [   12.045877][  T242] Tainted: [W]=WARN
[   12.045987][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.046165][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.046360][  T242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.046870][  T242] RSP: 0018:ffa0000000b371b0 EFLAGS: 00010286
[   12.047048][  T242] RAX: 00000000ffffffa6 RBX: ff1100000b78bc40 RCX: 1ff4000000166dfc
[   12.047261][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b78bcfc
[   12.047474][  T242] RBP: ff110000103e9000 R08: 1fe22000016f17a1 R09: ff1100000fc78b80
[   12.047684][  T242] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.047898][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff86803b20
[   12.048110][  T242] FS:  00007f2df0085840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   12.048358][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.048540][  T242] CR2: 000055b4235b8d5c CR3: 0000000010372001 CR4: 0000000000771ef0
[   12.048758][  T242] PKRU: 55555554
[   12.048863][  T242] Call Trace:
[   12.048968][  T242]  <TASK>
[   12.049040][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.049180][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.049290][  T242]  __dev_notify_flags (net/core/dev.c:9787)
[   12.049434][  T242]  ? netif_change_name (net/core/dev.c:1495)
[   12.049576][  T242]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.049722][  T242]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.049877][  T242]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.050019][  T242]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.050161][  T242]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.050303][  T242]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.050446][  T242]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.050593][  T242]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.050744][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.050890][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.051028][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.051166][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.051309][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.051457][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.051603][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.051748][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.051890][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.052034][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.052174][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.052318][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.052468][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.052608][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.052755][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.052895][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.053037][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.053189][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.053331][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.053480][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.053622][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.053766][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.053906][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.054049][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.054197][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.054342][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.054489][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.054629][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.054809][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   12.054951][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.055093][  T242]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.055244][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   12.055385][  T242]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.055532][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.055675][  T242]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.055826][  T242]  ? 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))
[   12.055970][  T242]  __sys_sendmsg (net/socket.c:2784)
[   12.056111][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.056261][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.056411][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.056553][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.056692][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.056835][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.056976][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.057149][  T242] RIP: 0033:0x7f2df02bf08e
[   12.057300][  T242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.057818][  T242] RSP: 002b:00007ffd0f0cf6d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.058030][  T242] RAX: ffffffffffffffda RBX: 00007ffd0f0cfe80 RCX: 00007f2df02bf08e
[   12.058243][  T242] RDX: 0000000000000000 RSI: 00007ffd0f0cf780 RDI: 0000000000000005
[   12.058459][  T242] RBP: 00007ffd0f0cf6e0 R08: 0000000000000000 R09: 0000000000000000
[   12.058666][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.058881][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0f0cfe50
| [   12.087314][  T243] ------------[ cut here ]------------
| [   12.087473][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/243
| [   12.087711][  T243] Modules linked in:
| [   12.088476][  T243] Tainted: [W]=WARN
[   12.088579][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.088756][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.088941][  T243] 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
[   12.089436][  T243] RSP: 0018:ffa0000000b36e30 EFLAGS: 00010286
[   12.089609][  T243] RAX: 00000000ffffffa6 RBX: ff1100000f5178c0 RCX: 1ff4000000166d8c
[   12.089820][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f51797c
[   12.090024][  T243] RBP: ff1100000e9fc000 R08: 1fe2200001ea2f31 R09: ff1100000a100b80
[   12.090229][  T243] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.090438][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001ed6000
[   12.090643][  T243] FS:  00007f5b8e6c0840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   12.090898][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.091074][  T243] CR2: 00000000004eb188 CR3: 0000000010372002 CR4: 0000000000771ef0
[   12.091285][  T243] PKRU: 55555554
[   12.091388][  T243] Call Trace:
[   12.091494][  T243]  <TASK>
[   12.091564][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.091699][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.091842][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.091944][  T243]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.092084][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   12.092225][  T243]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.092362][  T243]  ? 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)
[   12.092505][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   12.092643][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.092784][  T243]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.092918][  T243]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.093058][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.093198][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.093340][  T243]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.093481][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.093616][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.093756][  T243]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.093893][  T243]  veth_newlink (drivers/net/veth.c:1871)
[   12.094030][  T243]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.094165][  T243]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.094307][  T243]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.094447][  T243]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.094598][  T243]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.094740][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.094876][  T243]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.095011][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.095149][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.095292][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.095434][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.095571][  T243]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.095705][  T243]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.096000][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.096145][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.096288][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.096429][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.096566][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.096699][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.096914][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.097058][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.097196][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.097339][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.097481][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.097616][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.097812][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.097949][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.098084][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.098283][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.098424][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.098559][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.098698][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.098895][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.099032][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.099168][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.099309][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.099465][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.099603][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.099797][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.099935][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.100074][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.100212][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.100384][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   12.100527][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.100664][  T243]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.100818][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   12.100954][  T243]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.101093][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.101238][  T243]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.101378][  T243]  ? 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))
[   12.101524][  T243]  __sys_sendmsg (net/socket.c:2784)
[   12.101661][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.101806][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.101942][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.102078][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.102219][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.102355][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.102495][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.102663][  T243] RIP: 0033:0x7f5b8e8fa08e
[   12.102811][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.103296][  T243] RSP: 002b:00007ffe8ac2f930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.103504][  T243] RAX: ffffffffffffffda RBX: 00007ffe8ac300e0 RCX: 00007f5b8e8fa08e
[   12.103706][  T243] RDX: 0000000000000000 RSI: 00007ffe8ac2f9e0 RDI: 0000000000000005
[   12.103911][  T243] RBP: 00007ffe8ac2f940 R08: 0000000000000000 R09: 0000000000000000
[   12.104115][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.104324][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8ac300b0
| [   12.118311][  T243] ------------[ cut here ]------------
| [   12.118461][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/243
| [   12.118697][  T243] Modules linked in:
| [   12.119078][  T243] Tainted: [W]=WARN
[   12.119184][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.119361][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.119547][  T243] 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
[   12.120052][  T243] RSP: 0018:ffa0000000b371b0 EFLAGS: 00010286
[   12.120231][  T243] RAX: 00000000ffffffa6 RBX: ff1100000b404740 RCX: 1ff4000000166dfc
[   12.120435][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4047fc
[   12.120640][  T243] RBP: ff1100000e9f9000 R08: 1fe2200001680901 R09: ff1100000a100b80
[   12.120963][  T243] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.121165][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff86803b20
[   12.121372][  T243] FS:  00007f5b8e6c0840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   12.121614][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.121786][  T243] CR2: 00000000004eb188 CR3: 0000000010372002 CR4: 0000000000771ef0
[   12.121989][  T243] PKRU: 55555554
[   12.122090][  T243] Call Trace:
[   12.122190][  T243]  <TASK>
[   12.122263][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.122407][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.122512][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   12.122649][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   12.122790][  T243]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.122926][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.123062][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.123198][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.123340][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.123479][  T243]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.123614][  T243]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.123759][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.123898][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.124035][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.124168][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.124308][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.124448][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.124583][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.124735][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.124872][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.125010][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.125144][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.125283][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.125422][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.125559][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.125692][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.125831][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.125967][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.126104][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.126247][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.126381][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.126522][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.126658][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.126797][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.126933][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.127071][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.127206][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.127347][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.127486][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.127620][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.127793][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   12.127929][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.128067][  T243]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.128203][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   12.128342][  T243]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.128483][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.128622][  T243]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.128767][  T243]  ? 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))
[   12.128903][  T243]  __sys_sendmsg (net/socket.c:2784)
[   12.129037][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.129179][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.129320][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.129460][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.129594][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.129733][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.129867][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.130034][  T243] RIP: 0033:0x7f5b8e8fa08e
[   12.130174][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.130667][  T243] RSP: 002b:00007ffe8ac2f930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.130881][  T243] RAX: ffffffffffffffda RBX: 00007ffe8ac300e0 RCX: 00007f5b8e8fa08e
[   12.131085][  T243] RDX: 0000000000000000 RSI: 00007ffe8ac2f9e0 RDI: 0000000000000005
[   12.131293][  T243] RBP: 00007ffe8ac2f940 R08: 0000000000000000 R09: 0000000000000000
[   12.131498][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.131697][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8ac300b0
| [   12.163735][  T244] ------------[ cut here ]------------
| [   12.163916][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/244
| [   12.164148][  T244] Modules linked in:
| [   12.164532][  T244] Tainted: [W]=WARN
[   12.164635][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.165461][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.165639][  T244] 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
[   12.166181][  T244] RSP: 0018:ffa0000000b47020 EFLAGS: 00010286
[   12.166358][  T244] RAX: 00000000ffffffa6 RBX: ff1100000b4051c0 RCX: 1ff4000000168dca
[   12.166575][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b40527c
[   12.166855][  T244] RBP: ff110000096bc000 R08: 1fe2200001680a51 R09: ff1100000a102e58
[   12.167109][  T244] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.167311][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.167547][  T244] FS:  00007f1fdf9f3840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   12.167926][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.168094][  T244] CR2: 000000000233f988 CR3: 000000001036c001 CR4: 0000000000771ef0
[   12.168298][  T244] PKRU: 55555554
[   12.168400][  T244] Call Trace:
[   12.168499][  T244]  <TASK>
[   12.168570][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.168706][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.168882][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.169014][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   12.169164][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   12.169301][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.169439][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.169573][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.169705][  T244]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.169857][  T244]  netif_change_flags (net/core/dev.c:9820)
[   12.169990][  T244]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.170122][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.170260][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.170407][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.170574][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.170727][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.170864][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.170996][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.171129][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   12.171263][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.171403][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.171536][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.171668][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.171808][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.171939][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.172070][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.172201][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.172340][  T244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.172481][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.172613][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.172753][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.172888][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.173024][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.173158][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.173291][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.173438][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.173571][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.173703][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.173844][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.173978][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.174109][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.174247][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.174379][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.174519][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.174651][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.174795][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.174927][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.175061][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.175193][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.175327][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.175467][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.175602][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.175744][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.175879][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.176017][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.176151][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.176289][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.176428][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.176562][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.176698][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.176838][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.176970][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.177102][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.177276][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   12.177416][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.177550][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.177684][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   12.177826][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.177991][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.178137][  T244]  __sys_sendmsg (net/socket.c:2784)
[   12.178276][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.178414][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.178583][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.178722][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.178856][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.178987][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.179119][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.179255][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.179424][  T244] RIP: 0033:0x7f1fdfc2d08e
[   12.179562][  T244] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.180036][  T244] RSP: 002b:00007ffdfd6ae8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.180241][  T244] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1fdfc2d08e
[   12.180445][  T244] RDX: 0000000000000000 RSI: 00007ffdfd6ae960 RDI: 0000000000000005
[   12.180661][  T244] RBP: 00007ffdfd6ae8c0 R08: 0000000000000000 R09: 0000000000000000
[   12.180862][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.181059][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfd6af030
| [   12.217183][  T245] ------------[ cut here ]------------
| [   12.217419][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/245
| [   12.217756][  T245] Modules linked in:
| [   12.218281][  T245] Tainted: [W]=WARN
[   12.218464][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.218687][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.218959][  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
[   12.219532][  T245] RSP: 0018:ffa0000000b47090 EFLAGS: 00010286
[   12.219780][  T245] RAX: 00000000ffffffa6 RBX: ff1100000fe1aac0 RCX: 1ff4000000168dd8
[   12.220047][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe1ab7c
[   12.220321][  T245] RBP: ff110000096bc000 R08: 1fe2200001fc3571 R09: ff1100000fd1ae80
[   12.220590][  T245] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.220950][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   12.221301][  T245] FS:  00007f9a08a68840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   12.221707][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.222173][  T245] CR2: 00007f9a08ddd040 CR3: 000000001036c005 CR4: 0000000000771ef0
[   12.222557][  T245] PKRU: 55555554
[   12.222774][  T245] Call Trace:
[   12.222923][  T245]  <TASK>
[   12.223045][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.223236][  T245]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.223465][  T245]  notifier_call_chain (kernel/notifier.c:85)
[   12.223661][  T245]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.223880][  T245]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.224100][  T245]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.224302][  T245]  netdev_upper_dev_link (net/core/dev.c:8972)
[   12.224501][  T245]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   12.224703][  T245]  register_vlan_dev (net/8021q/vlan.c:183)
[   12.224910][  T245]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   12.225104][  T245]  vlan_newlink (net/8021q/vlan_netlink.c:194)
[   12.225309][  T245]  ? nla_strscpy (lib/nlattr.c:795)
[   12.225508][  T245]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.225733][  T245]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.225924][  T245]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.226115][  T245]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.226332][  T245]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.226555][  T245]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.226760][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.226950][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.227166][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.227366][  T245]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.227585][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.227796][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.228025][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.228217][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.228437][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.228628][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.228830][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.229035][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.229241][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.229442][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.229631][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.229836][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.230033][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.230224][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.230446][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.230647][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.230861][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.231054][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.231271][  T245]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.231482][  T245]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.231678][  T245]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.231879][  T245]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.232097][  T245]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.232331][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   12.232534][  T245]  ___sys_sendmsg (net/socket.c:2752)
[   12.232735][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.232924][  T245]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.233134][  T245]  ? 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))
[   12.233573][  T245]  __sys_sendmsg (net/socket.c:2784)
[   12.233781][  T245]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.233998][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.234188][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.234386][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.234599][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.234817][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.235008][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.235232][  T245] RIP: 0033:0x7f9a08ca208e
[   12.235755][  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
[   12.236322][  T245] RSP: 002b:00007ffe00908840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.236646][  T245] RAX: ffffffffffffffda RBX: 00007ffe00909008 RCX: 00007f9a08ca208e
[   12.236923][  T245] RDX: 0000000000000000 RSI: 00007ffe009088f0 RDI: 0000000000000005
[   12.237180][  T245] RBP: 00007ffe00908850 R08: 0000000000000000 R09: 0000000000000000
[   12.237481][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.237770][  T245] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe00908fc0
| [   12.246306][  T245] ------------[ cut here ]------------
| [   12.246502][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/245
| [   12.246806][  T245] Modules linked in:
| [   12.247264][  T245] Tainted: [W]=WARN
[   12.247369][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.247544][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.247749][  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
[   12.248291][  T245] RSP: 0018:ffa0000000b471b0 EFLAGS: 00010286
[   12.248467][  T245] RAX: 00000000ffffffa6 RBX: ff1100000fe1ac80 RCX: 1ff4000000168dfc
[   12.248705][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe1ad3c
[   12.248937][  T245] RBP: ff11000011d64000 R08: 1fe2200001fc35a9 R09: ff1100000fd1ae80
[   12.249146][  T245] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.249361][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8696b3a0
[   12.249569][  T245] FS:  00007f9a08a68840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   12.249826][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.249996][  T245] CR2: 000055b4235b8d5c CR3: 000000001036c003 CR4: 0000000000771ef0
[   12.250400][  T245] PKRU: 55555554
[   12.250519][  T245] Call Trace:
[   12.250623][  T245]  <TASK>
[   12.250693][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.250837][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.250940][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.251080][  T245]  __dev_notify_flags (net/core/dev.c:9787)
[   12.251220][  T245]  ? netif_change_name (net/core/dev.c:1495)
[   12.251356][  T245]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.251502][  T245]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.251637][  T245]  ? register_vlan_dev (net/8021q/vlan.c:196)
[   12.251798][  T245]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.251960][  T245]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.252100][  T245]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.252242][  T245]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.252404][  T245]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.252571][  T245]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.252727][  T245]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.252866][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.253002][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.253137][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.253277][  T245]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.253416][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.253558][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.253693][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.253831][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.253967][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.254102][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.254242][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.254378][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.254729][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.254880][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.255032][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.255185][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.255329][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.255467][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.255605][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.255756][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.255895][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.256049][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.256188][  T245]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.256326][  T245]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.256496][  T245]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.256632][  T245]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.256773][  T245]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.256942][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   12.257084][  T245]  ___sys_sendmsg (net/socket.c:2752)
[   12.257224][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.257359][  T245]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.257523][  T245]  ? 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))
[   12.257673][  T245]  __sys_sendmsg (net/socket.c:2784)
[   12.257827][  T245]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.257968][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.258104][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.258257][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.258417][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.258570][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.258709][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.258882][  T245] RIP: 0033:0x7f9a08ca208e
[   12.259024][  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
[   12.259599][  T245] RSP: 002b:00007ffe00908840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.259812][  T245] RAX: ffffffffffffffda RBX: 00007ffe00909008 RCX: 00007f9a08ca208e
[   12.260246][  T245] RDX: 0000000000000000 RSI: 00007ffe009088f0 RDI: 0000000000000005
[   12.260471][  T245] RBP: 00007ffe00908850 R08: 0000000000000000 R09: 0000000000000000
[   12.260689][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.260941][  T245] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe00908fc0
| [   12.298658][  T248] ------------[ cut here ]------------
| [   12.298880][  T248] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/248
| [   12.299177][  T248] Modules linked in:
| [   12.299830][  T248] Tainted: [W]=WARN
[   12.300057][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.300392][  T248] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.300784][  T248] 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
[   12.301461][  T248] RSP: 0018:ffa0000000b47090 EFLAGS: 00010286
[   12.301798][  T248] RAX: 00000000ffffffa6 RBX: ff11000009afe200 RCX: 1ff4000000168dd8
[   12.302141][  T248] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009afe2bc
[   12.302440][  T248] RBP: ff110000096bc000 R08: 1fe220000135fc59 R09: ff1100000fb0ae80
[   12.302700][  T248] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.302990][  T248] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   12.303261][  T248] FS:  00007f183f0aa840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   12.303587][  T248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.303832][  T248] CR2: 000000000042e5e0 CR3: 00000000102de001 CR4: 0000000000771ef0
[   12.304110][  T248] PKRU: 55555554
[   12.304277][  T248] Call Trace:
[   12.304441][  T248]  <TASK>
[   12.304587][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.304794][  T248]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.304998][  T248]  notifier_call_chain (kernel/notifier.c:85)
[   12.305196][  T248]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.305405][  T248]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.305600][  T248]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.305807][  T248]  netdev_upper_dev_link (net/core/dev.c:8972)
[   12.306041][  T248]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   12.306241][  T248]  register_vlan_dev (net/8021q/vlan.c:183)
[   12.306445][  T248]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   12.306637][  T248]  vlan_newlink (net/8021q/vlan_netlink.c:194)
[   12.306855][  T248]  ? nla_strscpy (lib/nlattr.c:795)
[   12.307072][  T248]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.307278][  T248]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.307477][  T248]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.307673][  T248]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.307884][  T248]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.308094][  T248]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.308302][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.308935][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.309164][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.309368][  T248]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.309567][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.309776][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.309981][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.310179][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.310376][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.310576][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.310779][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.310972][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.311160][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.311389][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.311608][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.311815][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.312009][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.312203][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.312434][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.312631][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.312850][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.313056][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.313254][  T248]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.313571][  T248]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.313777][  T248]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.313969][  T248]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.314158][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.314407][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   12.314626][  T248]  ___sys_sendmsg (net/socket.c:2752)
[   12.314836][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.315028][  T248]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.315244][  T248]  ? 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))
[   12.315449][  T248]  __sys_sendmsg (net/socket.c:2784)
[   12.315655][  T248]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.315887][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.316076][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.316283][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.316480][  T248]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.316671][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.316876][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.317099][  T248] RIP: 0033:0x7f183f2e408e
[   12.317354][  T248] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.317928][  T248] RSP: 002b:00007ffe9c5cdf80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.318187][  T248] RAX: ffffffffffffffda RBX: 00007ffe9c5ce748 RCX: 00007f183f2e408e
[   12.318460][  T248] RDX: 0000000000000000 RSI: 00007ffe9c5ce030 RDI: 0000000000000005
[   12.318746][  T248] RBP: 00007ffe9c5cdf90 R08: 0000000000000000 R09: 0000000000000000
[   12.319005][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.319293][  T248] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9c5ce700
| [   12.335164][  T248] ------------[ cut here ]------------
| [   12.335337][  T248] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/248
| [   12.335629][  T248] Modules linked in:
| [   12.336023][  T248] Tainted: [W]=WARN
[   12.336128][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.336308][  T248] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.336498][  T248] 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
[   12.336994][  T248] RSP: 0018:ffa0000000b471b0 EFLAGS: 00010286
[   12.337169][  T248] RAX: 00000000ffffffa6 RBX: ff11000009afe3c0 RCX: 1ff4000000168dfc
[   12.337380][  T248] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009afe47c
[   12.337590][  T248] RBP: ff1100000fd49000 R08: 1fe220000135fc91 R09: ff1100000fb0ae80
[   12.337824][  T248] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.338048][  T248] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8696b3a0
[   12.338259][  T248] FS:  00007f183f0aa840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   12.338514][  T248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.338720][  T248] CR2: 00007f9a08b7e310 CR3: 00000000102de005 CR4: 0000000000771ef0
[   12.338928][  T248] PKRU: 55555554
[   12.339031][  T248] Call Trace:
[   12.339135][  T248]  <TASK>
[   12.339227][  T248]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.339390][  T248]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.339554][  T248]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.339694][  T248]  __dev_notify_flags (net/core/dev.c:9787)
[   12.339838][  T248]  ? netif_change_name (net/core/dev.c:1495)
[   12.339977][  T248]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.340114][  T248]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.340257][  T248]  ? register_vlan_dev (net/8021q/vlan.c:196)
[   12.340402][  T248]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.340547][  T248]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.340689][  T248]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.340833][  T248]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.340970][  T248]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.341112][  T248]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.341261][  T248]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.341406][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.341562][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.341705][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.341854][  T248]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.341992][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.342133][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.342279][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.342424][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.342562][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.342700][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.342848][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.342987][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.343125][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.343267][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.343407][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.343548][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.343691][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.343834][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.343973][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.344111][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.344255][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.344396][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.344536][  T248]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.344675][  T248]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.344822][  T248]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.344958][  T248]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.345094][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.345267][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   12.345415][  T248]  ___sys_sendmsg (net/socket.c:2752)
[   12.345552][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.345689][  T248]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.345843][  T248]  ? 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))
[   12.345982][  T248]  __sys_sendmsg (net/socket.c:2784)
[   12.346120][  T248]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.346266][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.346407][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.346546][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.346692][  T248]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.346833][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.346973][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.347143][  T248] RIP: 0033:0x7f183f2e408e
[   12.347292][  T248] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.347798][  T248] RSP: 002b:00007ffe9c5cdf80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.348008][  T248] RAX: ffffffffffffffda RBX: 00007ffe9c5ce748 RCX: 00007f183f2e408e
[   12.348218][  T248] RDX: 0000000000000000 RSI: 00007ffe9c5ce030 RDI: 0000000000000005
[   12.348429][  T248] RBP: 00007ffe9c5cdf90 R08: 0000000000000000 R09: 0000000000000000
[   12.348634][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.348849][  T248] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9c5ce700
| [   12.377231][  T249] ------------[ cut here ]------------
| [   12.377378][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/249
| [   12.377614][  T249] Modules linked in:
| [   12.377998][  T249] Tainted: [W]=WARN
[   12.378098][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.378267][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.378444][  T249] 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
[   12.378920][  T249] RSP: 0018:ffa0000000b77150 EFLAGS: 00010286
[   12.379086][  T249] RAX: 00000000ffffffa6 RBX: ff11000009afeac0 RCX: 1ff400000016edf0
[   12.379289][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009afeb7c
[   12.379492][  T249] RBP: ff11000011d64000 R08: 1fe220000135fd71 R09: ff1100000a892e58
[   12.379690][  T249] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.379972][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011cad1c0
[   12.380175][  T249] FS:  00007fbcc4326840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   12.380418][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.380588][  T249] CR2: 00000000004ecde8 CR3: 000000000faba001 CR4: 0000000000771ef0
[   12.380877][  T249] PKRU: 55555554
[   12.380977][  T249] Call Trace:
[   12.381076][  T249]  <TASK>
[   12.381144][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.381284][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.381424][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.381527][  T249]  netif_state_change (net/core/dev.c:1605)
[   12.381660][  T249]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   12.381871][  T249]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.382119][  T249]  ? dev_deactivate_many (net/sched/sch_generic.c:1393)
[   12.382257][  T249]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   12.382426][  T249]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.382559][  T249]  ? rfc2863_policy (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/netdevice.h:4593 net/core/link_watch.c:64 net/core/link_watch.c:76)
[   12.382692][  T249]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   12.382901][  T249]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   12.383034][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.383166][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.383302][  T249]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.383437][  T249]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.383568][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.383699][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.383921][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.384080][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.384219][  T249]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.384352][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.384489][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.384624][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.384812][  T249]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.384947][  T249]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.385078][  T249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.385210][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.385347][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.385488][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.385619][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.385808][  T249]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.385938][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.386072][  T249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.386207][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.386342][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.386480][  T249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.386614][  T249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.386802][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.386936][  T249]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.387073][  T249]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.387208][  T249]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.387347][  T249]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.387484][  T249]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.387615][  T249]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.387856][  T249]  ? move_addr_to_kernel (net/socket.c:258)
[   12.387987][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.388122][  T249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.388290][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.388426][  T249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.388590][  T249]  ___sys_sendmsg (net/socket.c:2752)
[   12.388781][  T249]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.388915][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.389056][  T249]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.389188][  T249]  ? do_getsockname (net/socket.c:2192)
[   12.389325][  T249]  __sys_sendmsg (net/socket.c:2784)
[   12.389462][  T249]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.389598][  T249]  ? __sys_getsockname (net/socket.c:2210)
[   12.389783][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.389918][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.390050][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.390183][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.390319][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.390489][  T249] RIP: 0033:0x7fbcc456008e
[   12.390627][  T249] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.391176][  T249] RSP: 002b:00007fff0bee1e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.391382][  T249] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbcc456008e
[   12.391586][  T249] RDX: 0000000000000000 RSI: 00007fff0bee1ef0 RDI: 0000000000000006
[   12.391788][  T249] RBP: 00007fff0bee1e50 R08: 0000000000000000 R09: 0000000000000000
[   12.391984][  T249] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.392180][  T249] R13: 00007fff0bee1fa0 R14: 0000000000000000 R15: 00007fff0bee2b10
| [   12.424135][  T250] ------------[ cut here ]------------
| [   12.424330][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/250
| [   12.424617][  T250] Modules linked in:
| [   12.425107][  T250] Tainted: [W]=WARN
[   12.425261][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.425484][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.425708][  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
[   12.426240][  T250] RSP: 0018:ffa0000000b87150 EFLAGS: 00010286
[   12.426472][  T250] RAX: 00000000ffffffa6 RBX: ff11000009affc40 RCX: 1ff4000000170df0
[   12.426732][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009affcfc
[   12.427012][  T250] RBP: ff1100000fd49000 R08: 1fe220000135ffa1 R09: ff1100000ff65158
[   12.427261][  T250] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.427513][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011caedc0
[   12.427875][  T250] FS:  00007f806c0c0840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   12.428224][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.428510][  T250] CR2: 00000000004ecef0 CR3: 00000000102de003 CR4: 0000000000771ef0
[   12.428825][  T250] PKRU: 55555554
[   12.429049][  T250] Call Trace:
[   12.429297][  T250]  <TASK>
[   12.429499][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.429782][  T250]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.429972][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.430122][  T250]  netif_state_change (net/core/dev.c:1605)
[   12.430313][  T250]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   12.430504][  T250]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.430731][  T250]  ? dev_deactivate_many (net/sched/sch_generic.c:1393)
[   12.430915][  T250]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   12.431131][  T250]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.431324][  T250]  ? rfc2863_policy (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/netdevice.h:4593 net/core/link_watch.c:64 net/core/link_watch.c:76)
[   12.431510][  T250]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   12.431693][  T250]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   12.431890][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.432070][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.432260][  T250]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.432447][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.432627][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.432822][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.433023][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.433203][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.433403][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.433588][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.433785][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.433969][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.434151][  T250]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.434342][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.434533][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.434728][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.434908][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.435096][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.435287][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.435479][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.435661][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.435856][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.436041][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.436223][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.436420][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.436604][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.436799][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.436981][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.437164][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.437358][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.437547][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.437744][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.437927][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.438138][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   12.438330][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.438522][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.438748][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.438930][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.439150][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   12.439344][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.439533][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.439738][  T250]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.439919][  T250]  ? do_getsockname (net/socket.c:2192)
[   12.440105][  T250]  __sys_sendmsg (net/socket.c:2784)
[   12.440301][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.440495][  T250]  ? __sys_getsockname (net/socket.c:2210)
[   12.440680][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.440873][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.441055][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.441238][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.441431][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.441645][  T250] RIP: 0033:0x7f806c2fa08e
[   12.441848][  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
[   12.442376][  T250] RSP: 002b:00007ffd28af0b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.442632][  T250] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f806c2fa08e
[   12.442892][  T250] RDX: 0000000000000000 RSI: 00007ffd28af0c30 RDI: 0000000000000006
[   12.443139][  T250] RBP: 00007ffd28af0b90 R08: 0000000000000000 R09: 0000000000000000
[   12.443404][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.443650][  T250] R13: 00007ffd28af0ce0 R14: 0000000000000000 R15: 00007ffd28af1850
| [   12.528771][  T253] ------------[ cut here ]------------
| [   12.528961][  T253] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/253
| [   12.529244][  T253] Modules linked in:
| [   12.529917][  T253] Tainted: [W]=WARN
[   12.530067][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.530295][  T253] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.530524][  T253] 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
[   12.530854][    C0] clocksource: Watchdog remote CPU 2 read timed out
[   12.531065][  T253] RSP: 0018:ffa0000000ba7020 EFLAGS: 00010286
[   12.531508][  T253] RAX: 00000000ffffffa6 RBX: ff1100000958d8c0 RCX: 1ff4000000174dca
[   12.531769][  T253] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000958d97c
[   12.532016][  T253] RBP: ff1100000e9f9000 R08: 1fe22000012b1b31 R09: ff1100000febae58
[   12.532269][  T253] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.532524][  T253] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.532787][  T253] FS:  00007f56a7646840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   12.533070][  T253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.533309][  T253] CR2: 00000000049a9988 CR3: 000000000ead7005 CR4: 0000000000771ef0
[   12.533566][  T253] PKRU: 55555554
[   12.533731][  T253] Call Trace:
[   12.533883][  T253]  <TASK>
[   12.534004][  T253]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.534188][  T253]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.534348][  T253]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.534536][  T253]  __dev_notify_flags (net/core/dev.c:9787)
[   12.534735][  T253]  ? netif_change_name (net/core/dev.c:1495)
[   12.534916][  T253]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.535102][  T253]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.535298][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.535491][  T253]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.535679][  T253]  netif_change_flags (net/core/dev.c:9820)
[   12.535874][  T253]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.536057][  T253]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.536246][  T253]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.536441][  T253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.536660][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.536857][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.537039][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.537223][  T253]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.537421][  T253]  ? __kernel_text_address (kernel/extable.c:79)
[   12.537605][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.537804][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.537985][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.538169][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.538364][  T253]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.538552][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.538747][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.538930][  T253]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.539118][  T253]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.539312][  T253]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.539504][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.539692][  T253]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.539891][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.540078][  T253]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.540271][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.540462][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.540651][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.540848][  T253]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.541032][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.541219][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.541413][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.541597][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.541794][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.541978][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.542164][  T253]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.542360][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.542547][  T253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.542743][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.542928][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.543111][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.543306][  T253]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.543496][  T253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.543683][  T253]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.543882][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.544065][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.544253][  T253]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.544446][  T253]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.544629][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.544825][  T253]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.545013][  T253]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.545197][  T253]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.545392][  T253]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.545585][  T253]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.545784][  T253]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.545998][  T253]  ? move_addr_to_kernel (net/socket.c:258)
[   12.546182][  T253]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.546376][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.546569][  T253]  ___sys_sendmsg (net/socket.c:2752)
[   12.546767][  T253]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.546983][  T253]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.547179][  T253]  __sys_sendmsg (net/socket.c:2784)
[   12.547370][  T253]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.547560][  T253]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.547795][  T253]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.547980][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.548166][  T253]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.548361][  T253]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.548552][  T253]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.548753][  T253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.548968][  T253] RIP: 0033:0x7f56a788008e
[   12.549156][  T253] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.549691][  T253] RSP: 002b:00007ffd1200f620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.549954][  T253] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f56a788008e
[   12.550202][  T253] RDX: 0000000000000000 RSI: 00007ffd1200f6d0 RDI: 0000000000000005
[   12.550471][  T253] RBP: 00007ffd1200f630 R08: 0000000000000000 R09: 0000000000000000
[   12.550732][  T253] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.550979][  T253] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1200fda0
| [   12.579872][  T254] ------------[ cut here ]------------
| [   12.580042][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/254
| [   12.580292][  T254] Modules linked in:
| [   12.580696][  T254] Tainted: [W]=WARN
[   12.581507][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.581690][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.581984][  T254] 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
[   12.582503][  T254] RSP: 0018:ffa0000000ba7090 EFLAGS: 00010286
[   12.582686][  T254] RAX: 00000000ffffffa6 RBX: ff1100000cb4cac0 RCX: 1ff4000000174dd8
[   12.582967][  T254] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb4cb7c
[   12.583178][  T254] RBP: ff1100000e9f9000 R08: 1fe2200001969971 R09: ff1100000feb8b80
[   12.583398][  T254] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.583612][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   12.583911][  T254] FS:  00007f96bf3ed840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   12.584160][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.584345][  T254] CR2: 000000000042e5e0 CR3: 00000000092d1003 CR4: 0000000000771ef0
[   12.584568][  T254] PKRU: 55555554
[   12.584674][  T254] Call Trace:
[   12.584785][  T254]  <TASK>
[   12.584859][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.585000][  T254]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.585143][  T254]  notifier_call_chain (kernel/notifier.c:85)
[   12.585293][  T254]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.585441][  T254]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.585587][  T254]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.585736][  T254]  netdev_upper_dev_link (net/core/dev.c:8972)
[   12.585878][  T254]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   12.586021][  T254]  register_vlan_dev (net/8021q/vlan.c:183)
[   12.586163][  T254]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   12.586312][  T254]  vlan_newlink (net/8021q/vlan_netlink.c:194)
[   12.586459][  T254]  ? nla_strscpy (lib/nlattr.c:795)
[   12.586601][  T254]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.586751][  T254]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.586891][  T254]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.587047][  T254]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.587195][  T254]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.587348][  T254]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.587497][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.587638][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.587787][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.587928][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.588067][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.588218][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.588360][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.588508][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.588650][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.588797][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.588938][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.589081][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.589227][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.589369][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.589514][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.589656][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.589806][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.589948][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.590100][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.590249][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.590392][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.590544][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.590686][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.590835][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.590983][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.591125][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.591271][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.591456][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   12.591604][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   12.591750][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.591890][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.592041][  T254]  ? 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))
[   12.592186][  T254]  __sys_sendmsg (net/socket.c:2784)
[   12.592331][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.592506][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.592647][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.592803][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.592945][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.593085][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.593230][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.593415][  T254] RIP: 0033:0x7f96bf62708e
[   12.593564][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.594071][  T254] RSP: 002b:00007ffe103e7440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.594291][  T254] RAX: ffffffffffffffda RBX: 00007ffe103e7c08 RCX: 00007f96bf62708e
[   12.594514][  T254] RDX: 0000000000000000 RSI: 00007ffe103e74f0 RDI: 0000000000000005
[   12.594733][  T254] RBP: 00007ffe103e7450 R08: 0000000000000000 R09: 0000000000000000
[   12.594946][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.595158][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe103e7bc0
| [   12.597052][  T254] ------------[ cut here ]------------
| [   12.597239][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/254
| [   12.597541][  T254] Modules linked in:
| [   12.598044][  T254] Tainted: [W]=WARN
[   12.598199][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.598439][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.598675][  T254] 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
[   12.599235][  T254] RSP: 0018:ffa0000000ba71b0 EFLAGS: 00010286
[   12.599475][  T254] RAX: 00000000ffffffa6 RBX: ff1100000cb4cc80 RCX: 1ff4000000174dfc
[   12.599752][  T254] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb4cd3c
[   12.600007][  T254] RBP: ff11000005139000 R08: 1fe22000019699a9 R09: ff1100000feb8b80
[   12.600271][  T254] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.600534][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8696b3a0
[   12.600809][  T254] FS:  00007f96bf3ed840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   12.601100][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.601341][  T254] CR2: 00007efdd752b0a0 CR3: 00000000092d1002 CR4: 0000000000771ef0
[   12.601612][  T254] PKRU: 55555554
[   12.601794][  T254] Call Trace:
[   12.601953][  T254]  <TASK>
[   12.602079][  T254]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.602285][  T254]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.602450][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.602642][  T254]  __dev_notify_flags (net/core/dev.c:9787)
[   12.602846][  T254]  ? netif_change_name (net/core/dev.c:1495)
[   12.603035][  T254]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.603227][  T254]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.603433][  T254]  ? register_vlan_dev (net/8021q/vlan.c:196)
[   12.603637][  T254]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.603842][  T254]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.604032][  T254]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.604227][  T254]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.604430][  T254]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.604629][  T254]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.604840][  T254]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.605035][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.605241][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.605447][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.605637][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.605838][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.606036][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.606234][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.606437][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.606633][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.606841][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.607035][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.607236][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.607436][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.607637][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.607842][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.608033][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.608236][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.608435][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.608633][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.608842][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.609032][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.609227][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.609434][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.609628][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.609837][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.610027][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.610219][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.610456][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   12.610652][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   12.610857][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.611052][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.611258][  T254]  ? 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))
[   12.611460][  T254]  __sys_sendmsg (net/socket.c:2784)
[   12.611772][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.611970][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.612160][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.612362][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.612652][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.612859][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.613049][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.613372][  T254] RIP: 0033:0x7f96bf62708e
[   12.613575][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.614233][  T254] RSP: 002b:00007ffe103e7440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.614517][  T254] RAX: ffffffffffffffda RBX: 00007ffe103e7c08 RCX: 00007f96bf62708e
[   12.614790][  T254] RDX: 0000000000000000 RSI: 00007ffe103e74f0 RDI: 0000000000000005
[   12.615139][  T254] RBP: 00007ffe103e7450 R08: 0000000000000000 R09: 0000000000000000
[   12.615417][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.615783][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe103e7bc0
| [   12.661614][  T255] ------------[ cut here ]------------
| [   12.661905][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   12.662154][  T255] Modules linked in:
| [   12.662562][  T255] Tainted: [W]=WARN
[   12.662671][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.662856][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.663041][  T255] 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
[   12.663581][  T255] RSP: 0018:ffa0000000bb7090 EFLAGS: 00010286
[   12.663769][  T255] RAX: 00000000ffffffa6 RBX: ff110000092f2e40 RCX: 1ff4000000176dd8
[   12.663981][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f2efc
[   12.664194][  T255] RBP: ff1100000e9f9000 R08: 1fe220000125e5e1 R09: ff1100000ee6d180
[   12.664414][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.664622][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.664845][  T255] FS:  00007fd4b7aeb840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   12.665091][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.665279][  T255] CR2: 000000000042e5e0 CR3: 000000000f55f005 CR4: 0000000000771ef0
[   12.665497][  T255] PKRU: 55555554
[   12.665603][  T255] Call Trace:
[   12.665707][  T255]  <TASK>
[   12.665786][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.665928][  T255]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.666072][  T255]  notifier_call_chain (kernel/notifier.c:85)
[   12.666223][  T255]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.666364][  T255]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.666513][  T255]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.666657][  T255]  netdev_upper_dev_link (net/core/dev.c:8972)
[   12.666807][  T255]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   12.666950][  T255]  register_vlan_dev (net/8021q/vlan.c:183)
[   12.667096][  T255]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   12.667244][  T255]  vlan_newlink (net/8021q/vlan_netlink.c:194)
[   12.667384][  T255]  ? nla_strscpy (lib/nlattr.c:795)
[   12.667532][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.667677][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.667823][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.667964][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.668112][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.668265][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.668411][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.668551][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.668693][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.668838][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.668982][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.669126][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.669274][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.669426][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.669569][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.669709][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.669855][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.669999][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.670139][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.670288][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.670437][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.670579][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.670729][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.670870][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.671013][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.671157][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.671301][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.671447][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.671589][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.671736][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.671879][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.672023][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.672166][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.672367][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   12.672519][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   12.672660][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.672809][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.672962][  T255]  ? 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))
[   12.673106][  T255]  __sys_sendmsg (net/socket.c:2784)
[   12.673267][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.673427][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.673570][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.673720][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.673863][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.674005][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.674145][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.674327][  T255] RIP: 0033:0x7fd4b7d2508e
[   12.674480][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.674994][  T255] RSP: 002b:00007ffea6a9efc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.675208][  T255] RAX: ffffffffffffffda RBX: 00007ffea6a9f788 RCX: 00007fd4b7d2508e
[   12.675439][  T255] RDX: 0000000000000000 RSI: 00007ffea6a9f070 RDI: 0000000000000005
[   12.675653][  T255] RBP: 00007ffea6a9efd0 R08: 0000000000000000 R09: 0000000000000000
[   12.675870][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.676081][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea6a9f740
| [   12.678018][  T255] ------------[ cut here ]------------
| [   12.678155][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   12.678401][  T255] Modules linked in:
| [   12.678795][  T255] Tainted: [W]=WARN
[   12.678899][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.679070][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.679256][  T255] 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
[   12.679754][  T255] RSP: 0018:ffa0000000bb71b0 EFLAGS: 00010286
[   12.679931][  T255] RAX: 00000000ffffffa6 RBX: ff110000092f3e00 RCX: 1ff4000000176dfc
[   12.680141][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f3ebc
[   12.680353][  T255] RBP: ff11000010019000 R08: 1fe220000125e7d9 R09: ff1100000ee6d180
[   12.680563][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.680833][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8696b3a0
[   12.681046][  T255] FS:  00007fd4b7aeb840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   12.681294][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.681471][  T255] CR2: 000000000042e5e0 CR3: 000000000f55f005 CR4: 0000000000771ef0
[   12.681679][  T255] PKRU: 55555554
[   12.681820][  T255] Call Trace:
[   12.681923][  T255]  <TASK>
[   12.681994][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.682134][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.682251][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.682392][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   12.682538][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   12.682676][  T255]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.682820][  T255]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.682959][  T255]  ? register_vlan_dev (net/8021q/vlan.c:196)
[   12.683099][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.683246][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.683387][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.683533][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.683671][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.683826][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.683968][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.684112][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.684256][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.684394][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.684538][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.684678][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.684826][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.684966][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.685105][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.685252][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.685411][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.685551][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.685691][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.685834][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.685975][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.686113][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.686257][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.686403][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.686542][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.686688][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.686835][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.686974][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.687115][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.687261][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.687406][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.687546][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.687685][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.687832][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.688004][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   12.688146][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   12.688290][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.688431][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.688579][  T255]  ? 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))
[   12.688725][  T255]  __sys_sendmsg (net/socket.c:2784)
[   12.688864][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.689007][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.689146][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.689292][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.689437][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.689594][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.689740][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.689911][  T255] RIP: 0033:0x7fd4b7d2508e
[   12.690056][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.690562][  T255] RSP: 002b:00007ffea6a9efc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.690776][  T255] RAX: ffffffffffffffda RBX: 00007ffea6a9f788 RCX: 00007fd4b7d2508e
[   12.690985][  T255] RDX: 0000000000000000 RSI: 00007ffea6a9f070 RDI: 0000000000000005
[   12.691189][  T255] RBP: 00007ffea6a9efd0 R08: 0000000000000000 R09: 0000000000000000
[   12.691404][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.691711][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea6a9f740
| [   12.726572][  T256] ------------[ cut here ]------------
| [   12.726762][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/256
| [   12.726994][  T256] Modules linked in:
| [   12.727377][  T256] Tainted: [W]=WARN
[   12.727485][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.727660][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.727845][  T256] 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
[   12.728323][  T256] RSP: 0018:ffa0000000bc7150 EFLAGS: 00010286
[   12.728500][  T256] RAX: 00000000ffffffa6 RBX: ff110000092f2200 RCX: 1ff4000000178df0
[   12.729136][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f22bc
[   12.729342][  T256] RBP: ff11000005139000 R08: 1fe220000125e459 R09: ff1100000fd52e58
[   12.729544][  T256] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.729748][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d956340
[   12.729949][  T256] FS:  00007fc4d945f840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   12.730195][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.730365][  T256] CR2: 00000000004ecde8 CR3: 000000000ea24005 CR4: 0000000000771ef0
[   12.730573][  T256] PKRU: 55555554
[   12.730679][  T256] Call Trace:
[   12.730813][  T256]  <TASK>
[   12.730889][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.731037][  T256]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.731171][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.731280][  T256]  netif_state_change (net/core/dev.c:1605)
[   12.731418][  T256]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   12.731553][  T256]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.731724][  T256]  ? dev_deactivate_many (net/sched/sch_generic.c:1393)
[   12.731860][  T256]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   12.732035][  T256]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.732170][  T256]  ? rfc2863_policy (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/netdevice.h:4593 net/core/link_watch.c:64 net/core/link_watch.c:76)
[   12.732311][  T256]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   12.732453][  T256]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   12.732601][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.732737][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.732882][  T256]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.733016][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.733148][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.733292][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.733448][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.733580][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.733719][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.733852][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.733986][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.734121][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.734259][  T256]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.734391][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.734543][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.734698][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.734842][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.734979][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.735110][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.735248][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.735407][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.735543][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.735684][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.735827][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.735961][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.736095][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.736230][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.736364][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.736506][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.736641][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.736789][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.736922][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.737057][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.737225][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   12.737358][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.737499][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.737666][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.737803][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.737990][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   12.738126][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.738261][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.738408][  T256]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.738541][  T256]  ? do_getsockname (net/socket.c:2192)
[   12.738675][  T256]  __sys_sendmsg (net/socket.c:2784)
[   12.738814][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.738951][  T256]  ? __sys_getsockname (net/socket.c:2210)
[   12.739085][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.739226][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.739359][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.739499][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.739632][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.739821][  T256] RIP: 0033:0x7fc4d969908e
[   12.739960][  T256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.740448][  T256] RSP: 002b:00007ffe69a4b960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.740651][  T256] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4d969908e
[   12.740857][  T256] RDX: 0000000000000000 RSI: 00007ffe69a4ba10 RDI: 0000000000000006
[   12.741057][  T256] RBP: 00007ffe69a4b970 R08: 0000000000000000 R09: 0000000000000000
[   12.741266][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.741499][  T256] R13: 00007ffe69a4bac0 R14: 0000000000000000 R15: 00007ffe69a4c630
| [   12.769481][  T257] ------------[ cut here ]------------
| [   12.769648][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/257
| [   12.769887][  T257] Modules linked in:
| [   12.770267][  T257] Tainted: [W]=WARN
[   12.770367][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.770539][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.770720][  T257] 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
[   12.771190][  T257] RSP: 0018:ffa0000000bc7150 EFLAGS: 00010286
[   12.771362][  T257] RAX: 00000000ffffffa6 RBX: ff11000009567000 RCX: 1ff4000000178df0
[   12.771567][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095670bc
[   12.771769][  T257] RBP: ff11000010019000 R08: 1fe22000012ace19 R09: ff1100000f770b58
[   12.771965][  T257] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.772163][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d954740
[   12.772389][  T257] FS:  00007f775ddda840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   12.772628][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.772862][  T257] CR2: 00000000004ecef0 CR3: 000000000fea5002 CR4: 0000000000771ef0
[   12.773068][  T257] PKRU: 55555554
[   12.773166][  T257] Call Trace:
[   12.773271][  T257]  <TASK>
[   12.773341][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.773643][  T257]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.773847][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.774003][  T257]  netif_state_change (net/core/dev.c:1605)
[   12.774135][  T257]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   12.774294][  T257]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.774462][  T257]  ? dev_deactivate_many (net/sched/sch_generic.c:1393)
[   12.774594][  T257]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   12.774815][  T257]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.774946][  T257]  ? rfc2863_policy (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/netdevice.h:4593 net/core/link_watch.c:64 net/core/link_watch.c:76)
[   12.775079][  T257]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   12.775218][  T257]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   12.775350][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.775486][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.775616][  T257]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.775826][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.775957][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.776091][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.776245][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.776385][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.776526][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.776666][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.776805][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.776940][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.777074][  T257]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.777207][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.777346][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.779207][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.779381][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.779535][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.779669][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.779809][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.779943][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.780075][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.780213][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.780348][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.780489][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.780625][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.780764][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.780898][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.781031][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.781164][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.781304][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.781443][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.781578][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.781749][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.781882][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.782015][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.782179][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.782317][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.782487][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.782622][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.782762][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.782903][  T257]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.783035][  T257]  ? do_getsockname (net/socket.c:2192)
[   12.783172][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.783310][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.783450][  T257]  ? __sys_getsockname (net/socket.c:2210)
[   12.783583][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.783752][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.783886][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.784020][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.784153][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.784323][  T257] RIP: 0033:0x7f775e01408e
[   12.784468][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.784979][  T257] RSP: 002b:00007ffdbcdfe000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.785181][  T257] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f775e01408e
[   12.785384][  T257] RDX: 0000000000000000 RSI: 00007ffdbcdfe0b0 RDI: 0000000000000006
[   12.785587][  T257] RBP: 00007ffdbcdfe010 R08: 0000000000000000 R09: 0000000000000000
[   12.785790][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.785989][  T257] R13: 00007ffdbcdfe160 R14: 0000000000000000 R15: 00007ffdbcdfecd0
| [   12.922244][  T261] ------------[ cut here ]------------
| [   12.922456][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/261
| [   12.922708][  T261] Modules linked in:
| [   12.923467][  T261] Tainted: [W]=WARN
[   12.923570][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.923752][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.923929][  T261] 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
[   12.924414][  T261] RSP: 0018:ffa0000000c07020 EFLAGS: 00010286
[   12.924586][  T261] RAX: 00000000ffffffa6 RBX: ff1100000cb4c200 RCX: 1ff4000000180dca
[   12.924812][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb4c2bc
[   12.925020][  T261] RBP: ff110000103e9000 R08: 1fe2200001969859 R09: ff11000011ec0b58
[   12.925227][  T261] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.925431][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.925664][  T261] FS:  00007fd34d04d840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   12.925905][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.926074][  T261] CR2: 000000000cf51988 CR3: 000000000fea5006 CR4: 0000000000771ef0
[   12.926282][  T261] PKRU: 55555554
[   12.926383][  T261] Call Trace:
[   12.926491][  T261]  <TASK>
[   12.926561][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.926698][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.926807][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.926943][  T261]  __dev_notify_flags (net/core/dev.c:9787)
[   12.927078][  T261]  ? netif_change_name (net/core/dev.c:1495)
[   12.927216][  T261]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.927353][  T261]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.927493][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.927629][  T261]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.927801][  T261]  netif_change_flags (net/core/dev.c:9820)
[   12.927936][  T261]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.928222][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.928363][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.928504][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.928709][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.928878][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.929011][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.929145][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.929286][  T261]  ? __kernel_text_address (kernel/extable.c:79)
[   12.929425][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.929561][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.929735][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.929872][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.930007][  T261]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.930141][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.930281][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.930417][  T261]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.930552][  T261]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.930689][  T261]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.930849][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.930985][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.931122][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.931263][  T261]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.931404][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.931538][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.931691][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.931832][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.931967][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.932103][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.932242][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.932381][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.932520][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.932662][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.932802][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.932936][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.933069][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.933203][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.933343][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.933479][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.933628][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.933768][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.933903][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.934049][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.934181][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.934322][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.934466][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.934601][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.934752][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.934913][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.935049][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.935188][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.935325][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.935467][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.935634][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   12.935775][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.935910][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.936048][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   12.936183][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.936360][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.936512][  T261]  __sys_sendmsg (net/socket.c:2784)
[   12.936649][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.936789][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.936959][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.937096][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.937237][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.937390][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.937557][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.937693][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.937866][  T261] RIP: 0033:0x7fd34d28708e
[   12.938007][  T261] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.938499][  T261] RSP: 002b:00007ffdb2399170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.938703][  T261] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd34d28708e
[   12.938913][  T261] RDX: 0000000000000000 RSI: 00007ffdb2399220 RDI: 0000000000000005
[   12.939119][  T261] RBP: 00007ffdb2399180 R08: 0000000000000000 R09: 0000000000000000
[   12.939324][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca0
[   12.939530][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb23998f0
| [   13.043492][  T264] ------------[ cut here ]------------
| [   13.043708][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/264
| [   13.043997][  T264] Modules linked in:
| [   13.044401][  T264] Tainted: [W]=WARN
[   13.044508][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.044843][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.045028][  T264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.045545][  T264] RSP: 0018:ffa0000000c371b0 EFLAGS: 00010286
[   13.045729][  T264] RAX: 00000000ffffffa6 RBX: ff11000009570200 RCX: 1ff4000000186dfc
[   13.045938][  T264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095702bc
[   13.046146][  T264] RBP: ff11000011ee2000 R08: 1fe22000012ae059 R09: ff1100000f772e80
[   13.046357][  T264] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.046570][  T264] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff86920900
[   13.046785][  T264] FS:  00007fd2b563f840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.047026][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.047201][  T264] CR2: 00007fd2b5838460 CR3: 0000000011e77004 CR4: 0000000000771ef0
[   13.047415][  T264] PKRU: 55555554
[   13.047552][  T264] Call Trace:
[   13.047665][  T264]  <TASK>
[   13.047744][  T264]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.047886][  T264]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.047991][  T264]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.048139][  T264]  __dev_notify_flags (net/core/dev.c:9787)
[   13.048287][  T264]  ? netif_change_name (net/core/dev.c:1495)
[   13.048431][  T264]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.048571][  T264]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.048724][  T264]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.048896][  T264]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.049036][  T264]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.049178][  T264]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.049323][  T264]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.049465][  T264]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.049615][  T264]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.049767][  T264]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.049913][  T264]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.050053][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.050191][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.050334][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.050476][  T264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.050613][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.050761][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.050900][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.051037][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.051186][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.051328][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.051471][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.051613][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.051755][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.051915][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.052056][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.052196][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.052343][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.052486][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.052626][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.052771][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.052910][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.053077][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.053222][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.053362][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.053508][  T264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.053658][  T264]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.053801][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.053972][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   13.054116][  T264]  ___sys_sendmsg (net/socket.c:2752)
[   13.054258][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.054423][  T264]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.054572][  T264]  ? 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))
[   13.054741][  T264]  __sys_sendmsg (net/socket.c:2784)
[   13.054879][  T264]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.055023][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.055164][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.055308][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.055450][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.055591][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.055733][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.055905][  T264] RIP: 0033:0x7fd2b587908e
[   13.056075][  T264] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.056579][  T264] RSP: 002b:00007ffe0f538c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.056794][  T264] RAX: ffffffffffffffda RBX: 00007ffe0f5393d8 RCX: 00007fd2b587908e
[   13.057018][  T264] RDX: 0000000000000000 RSI: 00007ffe0f538cd0 RDI: 0000000000000005
[   13.057226][  T264] RBP: 00007ffe0f538c30 R08: 0000000000000000 R09: 0000000000000000
[   13.057454][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.057668][  T264] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0f5393a0
| [   13.088344][  T265] ------------[ cut here ]------------
| [   13.088591][  T265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/265
| [   13.089439][  T265] Modules linked in:
| [   13.089957][  T265] Tainted: [W]=WARN
[   13.090113][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.090350][  T265] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.090592][  T265] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.091150][  T265] RSP: 0018:ffa0000000c47090 EFLAGS: 00010286
[   13.091391][  T265] RAX: 00000000ffffffa6 RBX: ff1100000b006ac0 RCX: 1ff4000000188dd8
[   13.091659][  T265] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b006b7c
[   13.091932][  T265] RBP: ff11000011ee2000 R08: 1fe2200001600d71 R09: ff1100000f775180
[   13.092189][  T265] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.092460][  T265] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   13.092734][  T265] FS:  00007f5e68215840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   13.093026][  T265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.093262][  T265] CR2: 00007f5e6840e460 CR3: 0000000011ece001 CR4: 0000000000771ef0
[   13.093535][  T265] PKRU: 55555554
[   13.093691][  T265] Call Trace:
[   13.093861][  T265]  <TASK>
[   13.093984][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.094176][  T265]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.094408][  T265]  notifier_call_chain (kernel/notifier.c:85)
[   13.094610][  T265]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.094819][  T265]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.095014][  T265]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   13.095206][  T265]  netdev_upper_dev_link (net/core/dev.c:8972)
[   13.095416][  T265]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   13.095608][  T265]  register_vlan_dev (net/8021q/vlan.c:183)
[   13.095816][  T265]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.096012][  T265]  vlan_newlink (net/8021q/vlan_netlink.c:194)
[   13.096226][  T265]  ? nla_strscpy (lib/nlattr.c:795)
[   13.096433][  T265]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.096629][  T265]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.096834][  T265]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.097025][  T265]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.097229][  T265]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.097437][  T265]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.097635][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.097838][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.098028][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.098221][  T265]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.098427][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.098624][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.098830][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.099025][  T265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.099219][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.099426][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.099646][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.099854][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.100044][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.100240][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.100439][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.100633][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.100842][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.101030][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.101228][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.101432][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.101622][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.101831][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.102028][  T265]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.102221][  T265]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.102430][  T265]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.102625][  T265]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.102829][  T265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.103054][  T265]  ? move_addr_to_kernel (net/socket.c:258)
[   13.103255][  T265]  ___sys_sendmsg (net/socket.c:2752)
[   13.103450][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.103647][  T265]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.103862][  T265]  ? 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))
[   13.104058][  T265]  __sys_sendmsg (net/socket.c:2784)
[   13.104255][  T265]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.104454][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.104647][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.104888][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.105084][  T265]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.105287][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.105485][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.105709][  T265] RIP: 0033:0x7f5e6844f08e
[   13.105919][  T265] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.106513][  T265] RSP: 002b:00007fffd6874bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.106788][  T265] RAX: ffffffffffffffda RBX: 00007fffd68753b8 RCX: 00007f5e6844f08e
[   13.107048][  T265] RDX: 0000000000000000 RSI: 00007fffd6874ca0 RDI: 0000000000000005
[   13.107319][  T265] RBP: 00007fffd6874c00 R08: 0000000000000000 R09: 0000000000000000
[   13.107589][  T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.107860][  T265] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd6875370
| [   13.110336][  T265] ------------[ cut here ]------------
| [   13.110524][  T265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/265
| [   13.110830][  T265] Modules linked in:
| [   13.111320][  T265] Tainted: [W]=WARN
[   13.111483][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.111703][  T265] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.112335][  T265] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.112964][  T265] RSP: 0018:ffa0000000c471b0 EFLAGS: 00010286
[   13.113292][  T265] RAX: 00000000ffffffa6 RBX: ff1100000b007700 RCX: 1ff4000000188dfc
[   13.113630][  T265] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b0077bc
[   13.113952][  T265] RBP: ff1100000f53c000 R08: 1fe2200001600ef9 R09: ff1100000f775180
[   13.114285][  T265] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.114590][  T265] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8696b3a0
[   13.114894][  T265] FS:  00007f5e68215840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   13.115184][  T265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.115421][  T265] CR2: 00007f5e6840e460 CR3: 0000000011ece001 CR4: 0000000000771ef0
[   13.115685][  T265] PKRU: 55555554
[   13.115851][  T265] Call Trace:
[   13.116003][  T265]  <TASK>
[   13.116137][  T265]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.116337][  T265]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.116501][  T265]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.116688][  T265]  __dev_notify_flags (net/core/dev.c:9787)
[   13.116891][  T265]  ? netif_change_name (net/core/dev.c:1495)
[   13.117077][  T265]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.117279][  T265]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.117486][  T265]  ? register_vlan_dev (net/8021q/vlan.c:196)
[   13.117675][  T265]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.117875][  T265]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.118062][  T265]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.118282][  T265]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.118477][  T265]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.118672][  T265]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.118878][  T265]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.119069][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.119260][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.119457][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.119641][  T265]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.119837][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.120032][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.120222][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.120421][  T265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.120608][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.120803][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.121003][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.121190][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.121384][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.121583][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.121786][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.121973][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.122162][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.122363][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.122563][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.122766][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.122955][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.123164][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.123363][  T265]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.123562][  T265]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.123764][  T265]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.123954][  T265]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.124144][  T265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.124371][  T265]  ? move_addr_to_kernel (net/socket.c:258)
[   13.124574][  T265]  ___sys_sendmsg (net/socket.c:2752)
[   13.124770][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.124957][  T265]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.125155][  T265]  ? 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))
[   13.125355][  T265]  __sys_sendmsg (net/socket.c:2784)
[   13.125576][  T265]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.125783][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.125971][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.126157][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.126356][  T265]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.126549][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.126749][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.126969][  T265] RIP: 0033:0x7f5e6844f08e
[   13.127169][  T265] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.127733][  T265] RSP: 002b:00007fffd6874bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.127986][  T265] RAX: ffffffffffffffda RBX: 00007fffd68753b8 RCX: 00007f5e6844f08e
[   13.128239][  T265] RDX: 0000000000000000 RSI: 00007fffd6874ca0 RDI: 0000000000000005
[   13.128501][  T265] RBP: 00007fffd6874c00 R08: 0000000000000000 R09: 0000000000000000
[   13.128772][  T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.129021][  T265] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd6875370
| [   13.198518][  T267] ------------[ cut here ]------------
| [   13.198764][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/267
| [   13.199059][  T267] Modules linked in:
| [   13.199592][  T267] Tainted: [W]=WARN
[   13.199767][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.200011][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.200246][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.200806][  T267] RSP: 0018:ffa0000000c67090 EFLAGS: 00010286
[   13.201036][  T267] RAX: 00000000ffffffa6 RBX: ff11000004b5d540 RCX: 1ff400000018cdd8
[   13.201304][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004b5d5fc
[   13.201596][  T267] RBP: ff11000011ee2000 R08: 1fe220000096bac1 R09: ff110000100c2e80
[   13.201867][  T267] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.202127][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   13.202409][  T267] FS:  00007fbba9961840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   13.202703][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.203024][  T267] CR2: 00007fbba9b5a460 CR3: 0000000011ece004 CR4: 0000000000771ef0
[   13.203371][  T267] PKRU: 55555554
[   13.203597][  T267] Call Trace:
[   13.203847][  T267]  <TASK>
[   13.204139][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.204422][  T267]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.204707][  T267]  notifier_call_chain (kernel/notifier.c:85)
[   13.204971][  T267]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.205167][  T267]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.205373][  T267]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   13.205578][  T267]  netdev_upper_dev_link (net/core/dev.c:8972)
[   13.205790][  T267]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   13.205982][  T267]  register_vlan_dev (net/8021q/vlan.c:183)
[   13.206175][  T267]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.206378][  T267]  vlan_newlink (net/8021q/vlan_netlink.c:194)
[   13.206580][  T267]  ? nla_strscpy (lib/nlattr.c:795)
[   13.206788][  T267]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.206982][  T267]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.207172][  T267]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.207374][  T267]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.207581][  T267]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.207790][  T267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.207984][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.208172][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.208375][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.208683][  T267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.208888][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.209082][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.209292][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.209491][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.209683][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.209887][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.210076][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.210281][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.210477][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.210671][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.210876][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.211067][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.211267][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.211471][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.211672][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.211878][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.212071][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.212269][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.212471][  T267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.212662][  T267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.212869][  T267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.213061][  T267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.213262][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.213493][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   13.213690][  T267]  ___sys_sendmsg (net/socket.c:2752)
[   13.213894][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.214085][  T267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.214297][  T267]  ? 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))
[   13.214522][  T267]  __sys_sendmsg (net/socket.c:2784)
[   13.214730][  T267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.214923][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.215114][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.215316][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.215517][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.215707][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.215915][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.216142][  T267] RIP: 0033:0x7fbba9b9b08e
[   13.216348][  T267] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.216915][  T267] RSP: 002b:00007fff03a933d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.217203][  T267] RAX: ffffffffffffffda RBX: 00007fff03a93b98 RCX: 00007fbba9b9b08e
[   13.217541][  T267] RDX: 0000000000000000 RSI: 00007fff03a93480 RDI: 0000000000000005
[   13.217816][  T267] RBP: 00007fff03a933e0 R08: 0000000000000000 R09: 0000000000000000
[   13.218072][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.218339][  T267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff03a93b50
| [   13.220570][  T267] ------------[ cut here ]------------
| [   13.220729][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/267
| [   13.220968][  T267] Modules linked in:
| [   13.221357][  T267] Tainted: [W]=WARN
[   13.221466][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.221638][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.221828][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.222345][  T267] RSP: 0018:ffa0000000c671b0 EFLAGS: 00010286
[   13.222532][  T267] RAX: 00000000ffffffa6 RBX: ff11000004b5d8c0 RCX: 1ff400000018cdfc
[   13.222745][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004b5d97c
[   13.222976][  T267] RBP: ff11000009bfc000 R08: 1fe220000096bb31 R09: ff110000100c2e80
[   13.223184][  T267] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.223394][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8696b3a0
[   13.223604][  T267] FS:  00007fbba9961840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.223855][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.224030][  T267] CR2: 00007ff9d055b574 CR3: 0000000011ece003 CR4: 0000000000771ef0
[   13.224243][  T267] PKRU: 55555554
[   13.224347][  T267] Call Trace:
[   13.224454][  T267]  <TASK>
[   13.224527][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.224668][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.224781][  T267]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.224919][  T267]  __dev_notify_flags (net/core/dev.c:9787)
[   13.225059][  T267]  ? netif_change_name (net/core/dev.c:1495)
[   13.225198][  T267]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.225341][  T267]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.225485][  T267]  ? register_vlan_dev (net/8021q/vlan.c:196)
[   13.225627][  T267]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.225776][  T267]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.225915][  T267]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.226053][  T267]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.226190][  T267]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.226336][  T267]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.226539][  T267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.226682][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.226836][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.226974][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.227111][  T267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.227254][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.227396][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.227544][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.227683][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.227829][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.227986][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.228123][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.228266][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.228409][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.228550][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.228688][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.228833][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.228978][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.229119][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.229264][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.229408][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.229548][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.229687][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.229832][  T267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.229973][  T267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.230115][  T267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.230258][  T267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.230396][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.230572][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   13.230721][  T267]  ___sys_sendmsg (net/socket.c:2752)
[   13.230860][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.231000][  T267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.231149][  T267]  ? 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))
[   13.231295][  T267]  __sys_sendmsg (net/socket.c:2784)
[   13.231439][  T267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.231581][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.231726][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.231867][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.232004][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.232143][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.232287][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.232463][  T267] RIP: 0033:0x7fbba9b9b08e
[   13.232608][  T267] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.233106][  T267] RSP: 002b:00007fff03a933d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.233320][  T267] RAX: ffffffffffffffda RBX: 00007fff03a93b98 RCX: 00007fbba9b9b08e
[   13.233532][  T267] RDX: 0000000000000000 RSI: 00007fff03a93480 RDI: 0000000000000005
[   13.233745][  T267] RBP: 00007fff03a933e0 R08: 0000000000000000 R09: 0000000000000000
[   13.233950][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.234158][  T267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff03a93b50
| [   13.303433][  T269] ------------[ cut here ]------------
| [   13.303615][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/269
| [   13.303864][  T269] Modules linked in:
| [   13.304261][  T269] Tainted: [W]=WARN
[   13.304364][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.304541][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.304725][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.305214][  T269] RSP: 0018:ffa0000000c67020 EFLAGS: 00010286
[   13.305388][  T269] RAX: 00000000ffffffa6 RBX: ff1100000c39b000 RCX: 1ff400000018cdca
[   13.305597][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c39b0bc
[   13.305808][  T269] RBP: ff11000009c89000 R08: 1fe2200001873619 R09: ff110000101a5158
[   13.306011][  T269] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.306220][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.306433][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.306671][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.306850][  T269] CR2: 00000000004ed340 CR3: 0000000011f71006 CR4: 0000000000771ef0
[   13.307055][  T269] PKRU: 55555554
[   13.307156][  T269] Call Trace:
[   13.307261][  T269]  <TASK>
[   13.307332][  T269]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.307477][  T269]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.307582][  T269]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.307727][  T269]  __dev_notify_flags (net/core/dev.c:9787)
[   13.307868][  T269]  ? netif_change_name (net/core/dev.c:1495)
[   13.308004][  T269]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.308140][  T269]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.308280][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.308421][  T269]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.308560][  T269]  netif_change_flags (net/core/dev.c:9820)
[   13.308697][  T269]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.308842][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.308980][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.309118][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.309292][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.309436][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.309573][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.309713][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.309859][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.309997][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.310136][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.310278][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.310418][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.310556][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.310692][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.310832][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.310975][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.311113][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.311256][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.311392][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.311547][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.311683][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.311836][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.311976][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.312116][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.312258][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.312394][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.312536][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.312672][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.312820][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.312975][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.313111][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.313253][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.313390][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.313532][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.313666][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.313807][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.313944][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.314083][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.314224][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.314363][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.314505][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.314643][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.314788][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.314923][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.315064][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.315202][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.315346][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.315490][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.315628][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.315770][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.315907][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.316043][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.316180][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.316354][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.316495][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.316631][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.316779][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.316913][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.317085][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.317238][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.317374][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.317519][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.317689][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.317828][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.317964][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.318098][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.318240][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.318375][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.318548][  T269] RIP: 0033:0x7ffb9596608e
[   13.318689][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.319175][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.319385][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.319594][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.319801][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.320004][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.320220][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.323297][  T269] ------------[ cut here ]------------
| [   13.323441][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/269
| [   13.323682][  T269] Modules linked in:
| [   13.324544][  T269] Tainted: [W]=WARN
[   13.324656][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.324837][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.325020][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.325533][  T269] RSP: 0018:ffa0000000c66ee0 EFLAGS: 00010286
[   13.325711][  T269] RAX: 00000000ffffffa6 RBX: ff1100000c39b380 RCX: 1ff400000018cda2
[   13.325930][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c39b43c
[   13.326140][  T269] RBP: ff11000009c89000 R08: 1fe2200001873689 R09: ff110000101a5158
[   13.326353][  T269] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.326567][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.326786][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.327032][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.327207][  T269] CR2: 00000000004ed340 CR3: 0000000011f71006 CR4: 0000000000771ef0
[   13.327430][  T269] PKRU: 55555554
[   13.327536][  T269] Call Trace:
[   13.327641][  T269]  <TASK>
[   13.327719][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.327862][  T269]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.328003][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.328148][  T269]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.328295][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.328472][  T269]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.328617][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.328770][  T269]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   13.328912][  T269]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   13.329052][  T269]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   13.329195][  T269]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   13.329343][  T269]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   13.329493][  T269]  br_add_if (net/bridge/br_if.c:619)
[   13.329605][  T269]  do_set_master (net/core/rtnetlink.c:3011)
[   13.329752][  T269]  ? netif_change_flags (net/core/dev.c:9820)
[   13.329896][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.330041][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.330186][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.330367][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.330513][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.330653][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.330808][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.330949][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.331094][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.331241][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.331382][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.331531][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.331672][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.331822][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.331964][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.332105][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.332254][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.332396][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.332545][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.332689][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.332835][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.332980][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.333127][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.333276][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.333424][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.333565][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.333704][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.333850][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.333994][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.334134][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.334280][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.334427][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.334571][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.334711][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.334859][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.334999][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.335140][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.335288][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.335434][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.335576][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.335723][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.335864][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.336009][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.336149][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.336298][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.336445][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.336589][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.336734][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.336875][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.337016][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.337157][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.337299][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.337445][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.337620][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.337767][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.337907][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.338049][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.338189][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.338365][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.338523][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.338663][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.338809][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.338986][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.339126][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.339273][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.339419][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.339559][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.339699][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.339880][  T269] RIP: 0033:0x7ffb9596608e
[   13.340027][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.340541][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.340759][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.340969][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.341179][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.341394][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.341609][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.343390][  T269] ------------[ cut here ]------------
| [   13.343540][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/269
| [   13.343801][  T269] Modules linked in:
| [   13.344208][  T269] Tainted: [W]=WARN
[   13.344325][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.344515][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.344708][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.345239][  T269] RSP: 0018:ffa0000000c66ea0 EFLAGS: 00010286
[   13.345428][  T269] RAX: 00000000ffffffa6 RBX: ff1100000c39b540 RCX: 1ff400000018cd9a
[   13.345648][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c39b5fc
[   13.345872][  T269] RBP: ff11000009c89000 R08: 1fe22000018736c1 R09: ff110000101a5158
[   13.346091][  T269] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   13.346314][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e324c08
[   13.346540][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.346803][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.346987][  T269] CR2: 00000000004ed340 CR3: 0000000011f71006 CR4: 0000000000771ef0
[   13.347208][  T269] PKRU: 55555554
[   13.347324][  T269] Call Trace:
[   13.347441][  T269]  <TASK>
[   13.347518][  T269]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.347669][  T269]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.347788][  T269]  __dev_notify_flags (net/core/dev.c:9787)
[   13.347937][  T269]  ? netdev_notice (net/core/dev.c:13008)
[   13.348086][  T269]  ? netif_change_name (net/core/dev.c:1495)
[   13.348241][  T269]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.348433][  T269]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.348584][  T269]  __dev_set_promiscuity (net/core/dev.c:9630)
[   13.348739][  T269]  netif_set_promiscuity (net/core/dev.c:9639)
[   13.348888][  T269]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.349037][  T269]  br_port_set_promisc (net/bridge/br_if.c:108)
[   13.349185][  T269]  br_manage_promisc (net/bridge/br_if.c:174)
[   13.349336][  T269]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   13.349492][  T269]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   13.349607][  T269]  do_set_master (net/core/rtnetlink.c:3011)
[   13.349761][  T269]  ? netif_change_flags (net/core/dev.c:9820)
[   13.349910][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.350060][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.350209][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.350405][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.350553][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.350700][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.350854][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.351001][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.351150][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.351305][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.351457][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.351619][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.351773][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.351924][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.352072][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.352226][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.352375][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.352530][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.352678][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.352834][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.352981][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.353133][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.353290][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.353446][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.353594][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.353748][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.353896][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.354042][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.354194][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.354346][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.354500][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.354650][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.354804][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.354952][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.355100][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.355253][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.355408][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.355558][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.355705][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.355861][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.356011][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.356159][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.356319][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.356474][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.356627][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.356782][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.356932][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.357082][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.357235][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.357385][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.357540][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.357690][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.357842][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.358025][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.358285][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.358438][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.358588][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.358741][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.359029][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.359189][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.359338][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.359489][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.359784][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.359932][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.360080][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.360232][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.360488][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.360636][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.360825][  T269] RIP: 0033:0x7ffb9596608e
[   13.361087][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.361624][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.361955][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.362175][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.362508][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.362743][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.362963][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.366295][  T269] ------------[ cut here ]------------
| [   13.366454][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/269
| [   13.366704][  T269] Modules linked in:
| [   13.367105][  T269] Tainted: [W]=WARN
[   13.367209][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.367387][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.367576][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.368077][  T269] RSP: 0018:ffa0000000c67000 EFLAGS: 00010286
[   13.368256][  T269] RAX: 00000000ffffffa6 RBX: ff110000027603c0 RCX: 1ff400000018cdc6
[   13.368469][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000276047c
[   13.368684][  T269] RBP: ff11000011ee2000 R08: 1fe22000004ec091 R09: ff110000101a5158
[   13.368897][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.369103][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   13.369316][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.369564][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.369747][  T269] CR2: 000055b4235b8d5c CR3: 0000000011f71002 CR4: 0000000000771ef0
[   13.369954][  T269] PKRU: 55555554
[   13.370057][  T269] Call Trace:
[   13.370163][  T269]  <TASK>
[   13.370240][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.370381][  T269]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.370528][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.370670][  T269]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   13.370817][  T269]  ? __dev_open (./include/net/netdev_lock.h:33)
[   13.370956][  T269]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   13.371098][  T269]  br_add_if (net/bridge/br_if.c:679)
[   13.371211][  T269]  do_set_master (net/core/rtnetlink.c:3011)
[   13.371354][  T269]  ? netif_change_flags (net/core/dev.c:9820)
[   13.371505][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.371646][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.371797][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.371973][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.372113][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.372257][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.372395][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.372543][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.372687][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.372839][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.372978][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.373118][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.373262][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.373406][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.373548][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.373689][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.373835][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.373975][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.374116][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.374262][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.374406][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.374550][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.374693][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.374840][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.374980][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.375120][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.375262][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.375410][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.375557][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.375697][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.375843][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.375983][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.376125][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.376269][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.376415][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.376555][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.376695][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.376843][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.376982][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.377121][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.377263][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.377408][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.377551][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.377691][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.377839][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.377979][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.378119][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.378261][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.378407][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.378549][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.378691][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.378834][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.378972][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.379144][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.379289][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.379434][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.379574][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.379719][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.379890][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.380041][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.380180][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.380323][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.380502][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.380644][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.380796][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.380935][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.381072][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.381212][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.381388][  T269] RIP: 0033:0x7ffb9596608e
[   13.381540][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.382040][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.382254][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.382466][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.382683][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.382896][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.383103][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.384742][  T269] ------------[ cut here ]------------
| [   13.384887][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/269
| [   13.385132][  T269] Modules linked in:
| [   13.385547][  T269] Tainted: [W]=WARN
[   13.385657][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.385842][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.386028][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.386551][  T269] RSP: 0018:ffa0000000c66e00 EFLAGS: 00010286
[   13.386735][  T269] RAX: 00000000ffffffa6 RBX: ff11000002760580 RCX: 1ff400000018cd86
[   13.386950][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000276063c
[   13.387164][  T269] RBP: ff1100000f53c000 R08: 1fe22000004ec0c9 R09: ff110000101a5158
[   13.387385][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.387720][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   13.387940][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.388195][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.388488][  T269] CR2: 000055b4235b8d5c CR3: 0000000011f71002 CR4: 0000000000771ef0
[   13.388710][  T269] PKRU: 55555554
[   13.388824][  T269] Call Trace:
[   13.389032][  T269]  <TASK>
[   13.389107][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.389256][  T269]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.389409][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.389559][  T269]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   13.389811][  T269]  ? __dev_open (./include/net/netdev_lock.h:33)
[   13.389960][  T269]  vlan_dev_inherit_address (net/8021q/vlan_dev.c:259 net/8021q/vlan_dev.c:252)
[   13.390105][  T269]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.390255][  T269]  vlan_device_event (net/8021q/vlan.c:300 net/8021q/vlan.c:441)
[   13.390508][  T269]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[   13.390656][  T269]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.390809][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.390953][  T269]  ? packet_sendmsg_spkt (af_packet.c:?)
[   13.391203][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.391355][  T269]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   13.391507][  T269]  ? __dev_open (./include/net/netdev_lock.h:33)
[   13.391652][  T269]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   13.391803][  T269]  br_add_if (net/bridge/br_if.c:679)
[   13.391917][  T269]  do_set_master (net/core/rtnetlink.c:3011)
[   13.392061][  T269]  ? netif_change_flags (net/core/dev.c:9820)
[   13.392208][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.392467][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.392614][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.392801][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.392946][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.393189][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.393336][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.393489][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.393634][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.393884][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.394029][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.394175][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.394326][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.394574][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.394725][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.394872][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.395017][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.395264][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.395415][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.395565][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.395710][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.395862][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.396009][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.396157][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.396302][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.396551][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.396696][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.396845][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.396992][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.397237][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.397382][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.397534][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.397680][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.397831][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.397975][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.398120][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.398265][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.398516][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.398662][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.398815][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.398960][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.399204][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.399358][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.399509][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.399657][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.399807][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.399953][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.400100][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.400253][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.400505][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.400651][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.400802][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.400946][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.401228][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.401373][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.401521][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.401667][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.401914][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.402094][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.402256][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.402508][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.402653][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.402839][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.402984][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.403231][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.403376][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.403524][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.403670][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.403854][  T269] RIP: 0033:0x7ffb9596608e
[   13.404003][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.404630][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.404854][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.405167][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.405388][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.405609][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.405831][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.408119][  T269] ------------[ cut here ]------------
| [   13.408264][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/269
| [   13.408614][  T269] Modules linked in:
| [   13.409066][  T269] Tainted: [W]=WARN
[   13.409175][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.409362][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.409557][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.410177][  T269] RSP: 0018:ffa0000000c66e00 EFLAGS: 00010286
[   13.410363][  T269] RAX: 00000000ffffffa6 RBX: ff11000002760ac0 RCX: 1ff400000018cd86
[   13.410686][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002760b7c
[   13.410916][  T269] RBP: ff11000009bfc000 R08: 1fe22000004ec171 R09: ff110000101a5158
[   13.411134][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.411461][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   13.411679][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.412038][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.412223][  T269] CR2: 000055b4235b8d5c CR3: 0000000011f71002 CR4: 0000000000771ef0
[   13.412445][  T269] PKRU: 55555554
[   13.412554][  T269] Call Trace:
[   13.412764][  T269]  <TASK>
[   13.412839][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.412984][  T269]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.413128][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.413376][  T269]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   13.413527][  T269]  ? __dev_open (./include/net/netdev_lock.h:33)
[   13.413673][  T269]  vlan_dev_inherit_address (net/8021q/vlan_dev.c:259 net/8021q/vlan_dev.c:252)
[   13.413822][  T269]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.414063][  T269]  vlan_device_event (net/8021q/vlan.c:300 net/8021q/vlan.c:441)
[   13.414208][  T269]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[   13.414357][  T269]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.414507][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.414754][  T269]  ? packet_sendmsg_spkt (af_packet.c:?)
[   13.414902][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.415047][  T269]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   13.415191][  T269]  ? __dev_open (./include/net/netdev_lock.h:33)
[   13.415440][  T269]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   13.415586][  T269]  br_add_if (net/bridge/br_if.c:679)
[   13.415699][  T269]  do_set_master (net/core/rtnetlink.c:3011)
[   13.415847][  T269]  ? netif_change_flags (net/core/dev.c:9820)
[   13.415992][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.416239][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.416384][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.416568][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.416815][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.416958][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.417100][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.417249][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.417497][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.417641][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.417789][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.417935][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.418176][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.418324][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.418472][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.418617][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.418765][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.418909][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.419053][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.419198][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.419450][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.419597][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.419749][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.419893][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.420133][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.420282][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.420431][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.420573][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.420822][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.420965][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.421107][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.421256][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.421504][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.421649][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.421799][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.421941][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.422180][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.422330][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.422478][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.422623][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.422769][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.422913][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.423063][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.423206][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.423462][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.423609][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.423758][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.423904][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.424148][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.424298][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.424446][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.424589][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.424739][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.424918][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.425063][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.425208][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.425472][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.425616][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.425800][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.425957][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.426199][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.426346][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.426536][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.426681][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.426928][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.427071][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.427218][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.427362][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.427647][  T269] RIP: 0033:0x7ffb9596608e
[   13.427802][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.428447][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.428664][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.428987][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.429211][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.429434][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.429754][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.432037][  T269] ------------[ cut here ]------------
| [   13.432265][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/269
| [   13.432502][  T269] Modules linked in:
| [   13.432906][  T269] Tainted: [W]=WARN
[   13.433009][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.433179][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.433460][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.434052][  T269] RSP: 0018:ffa0000000c66f78 EFLAGS: 00010286
[   13.434227][  T269] RAX: 00000000ffffffa6 RBX: ff11000002761380 RCX: 1ff400000018cdb5
[   13.434437][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000276143c
[   13.434739][  T269] RBP: ff11000011ee2000 R08: 1fe22000004ec289 R09: ff110000101a5158
[   13.434946][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.435146][  T269] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   13.435457][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.435695][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.435873][  T269] CR2: 000055b4235b8d5c CR3: 0000000011f71002 CR4: 0000000000771ef0
[   13.436169][  T269] PKRU: 55555554
[   13.436276][  T269] Call Trace:
[   13.436378][  T269]  <TASK>
[   13.436453][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.436680][  T269]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.436827][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.436966][  T269]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   13.437144][  T269]  ? netdev_change_features (net/core/dev.c:11117)
[   13.437377][  T269]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   13.437523][  T269]  br_add_if (net/bridge/br_if.c:683)
[   13.437630][  T269]  do_set_master (net/core/rtnetlink.c:3011)
[   13.437772][  T269]  ? netif_change_flags (net/core/dev.c:9820)
[   13.438000][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.438139][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.438285][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.438462][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.438688][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.438828][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.438964][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.439100][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.439333][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.439501][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.439637][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.439784][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.440010][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.440145][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.440285][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.440426][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.440655][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.440799][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.440935][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.441073][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.441304][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.441446][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.441585][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.441729][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.441960][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.442096][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.442244][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.442380][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.442617][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.442760][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.442921][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.443056][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.443295][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.443437][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.443574][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.443711][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.443944][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.444083][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.444224][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.444362][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.444599][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.444741][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.444884][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.445021][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.445257][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.445396][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.445541][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.445684][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.445919][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.446063][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.446201][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.446342][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.446574][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.446750][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.446892][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.447032][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.447265][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.447405][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.447586][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.447741][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.447880][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.448019][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.448197][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.448438][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.448578][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.448721][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.448860][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.449088][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.449262][  T269] RIP: 0033:0x7ffb9596608e
[   13.449431][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.450027][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.450241][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.450552][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.450763][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.450969][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.451277][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.453289][  T269] ------------[ cut here ]------------
| [   13.453437][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/269
| [   13.453787][  T269] Modules linked in:
| [   13.454186][  T269] Tainted: [W]=WARN
[   13.454402][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.454583][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.454770][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.455389][  T269] RSP: 0018:ffa0000000c66d88 EFLAGS: 00010286
[   13.455576][  T269] RAX: 00000000ffffffa6 RBX: ff11000002761700 RCX: 1ff400000018cd77
[   13.455892][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000027617bc
[   13.456110][  T269] RBP: ff1100000f53c000 R08: 1fe22000004ec2f9 R09: ff110000101a5158
[   13.456328][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.456649][  T269] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   13.456869][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.457222][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.457410][  T269] CR2: 000055b4235b8d5c CR3: 0000000011f71002 CR4: 0000000000771ef0
[   13.457624][  T269] PKRU: 55555554
[   13.457734][  T269] Call Trace:
[   13.457843][  T269]  <TASK>
[   13.457916][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.458061][  T269]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.458204][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.458462][  T269]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   13.458605][  T269]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   13.458787][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.458932][  T269]  vlan_device_event (net/8021q/vlan.c:339 net/8021q/vlan.c:457)
[   13.459174][  T269]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[   13.459328][  T269]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.459478][  T269]  ? packet_sendmsg_spkt (af_packet.c:?)
[   13.459633][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.459880][  T269]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   13.460062][  T269]  ? netdev_change_features (net/core/dev.c:11117)
[   13.460207][  T269]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   13.460355][  T269]  br_add_if (net/bridge/br_if.c:683)
[   13.460571][  T269]  do_set_master (net/core/rtnetlink.c:3011)
[   13.460720][  T269]  ? netif_change_flags (net/core/dev.c:9820)
[   13.460869][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.461014][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.461262][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.461443][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.461589][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.461832][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.461976][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.462123][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.462272][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.462423][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.462664][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.462814][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.462957][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.463100][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.463351][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.463500][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.463644][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.463890][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.464035][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.464180][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.464329][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.464484][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.464738][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.464883][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.465025][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.465169][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.465418][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.465563][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.465709][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.465980][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.466124][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.466272][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.466421][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.466566][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.466812][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.466955][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.467097][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.467256][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.467502][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.467646][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.467802][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.467947][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.468191][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.468336][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.468492][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.468638][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.468886][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.469032][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.469177][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.469329][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.469578][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.469727][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.469876][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.470150][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.470299][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.470449][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.470594][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.470741][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.470919][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.471081][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.471228][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.471470][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.471652][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.471804][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.471948][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.472187][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.472338][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.472484][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.472662][  T269] RIP: 0033:0x7ffb9596608e
[   13.472918][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.473550][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.473775][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.473988][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.474309][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.474529][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.474755][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.482332][  T269] ------------[ cut here ]------------
| [   13.482502][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/269
| [   13.482760][  T269] Modules linked in:
| [   13.483156][  T269] Tainted: [W]=WARN
[   13.483279][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.483466][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.483654][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.484187][  T269] RSP: 0018:ffa0000000c66d88 EFLAGS: 00010286
[   13.484368][  T269] RAX: 00000000ffffffa6 RBX: ff11000002761a80 RCX: 1ff400000018cd77
[   13.484586][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002761b3c
[   13.484806][  T269] RBP: ff11000009bfc000 R08: 1fe22000004ec369 R09: ff110000101a5158
[   13.485022][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.485238][  T269] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   13.485459][  T269] FS:  00007ffb9572c840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.485722][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.485901][  T269] CR2: 000055b4235b8d5c CR3: 0000000011f71002 CR4: 0000000000771ef0
[   13.486118][  T269] PKRU: 55555554
[   13.486228][  T269] Call Trace:
[   13.486333][  T269]  <TASK>
[   13.486413][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.486555][  T269]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.486700][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.486852][  T269]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   13.486995][  T269]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   13.487173][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.487324][  T269]  vlan_device_event (net/8021q/vlan.c:339 net/8021q/vlan.c:457)
[   13.487475][  T269]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[   13.487619][  T269]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.487765][  T269]  ? packet_sendmsg_spkt (af_packet.c:?)
[   13.487912][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   13.488057][  T269]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   13.488244][  T269]  ? netdev_change_features (net/core/dev.c:11117)
[   13.488393][  T269]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   13.488542][  T269]  br_add_if (net/bridge/br_if.c:683)
[   13.488654][  T269]  do_set_master (net/core/rtnetlink.c:3011)
[   13.488805][  T269]  ? netif_change_flags (net/core/dev.c:9820)
[   13.488950][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.489111][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.489260][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.489445][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.489604][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.489753][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.489895][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.490037][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   13.490180][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.490329][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.490480][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.490623][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.490770][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.490911][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.491054][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.491198][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.491348][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.491505][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.491649][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.491802][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.491945][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.492090][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.492239][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.492384][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.492531][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.492674][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.492824][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.492966][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.493112][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.493260][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.493408][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.493560][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.493746][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.493892][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.494035][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.494177][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.494324][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.494495][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.494643][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.494791][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.494934][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.495078][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.495229][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.495371][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.495524][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.495669][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.495818][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.495962][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.496106][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.496256][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.496405][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.496549][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.496691][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.496871][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   13.497015][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.497159][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.497308][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   13.497456][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.497634][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.497794][  T269]  __sys_sendmsg (net/socket.c:2784)
[   13.497948][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.498090][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.498270][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.498418][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.498562][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.498704][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.498851][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.498994][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.499171][  T269] RIP: 0033:0x7ffb9596608e
[   13.499326][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.499848][  T269] RSP: 002b:00007ffe53286460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.500061][  T269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffb9596608e
[   13.500277][  T269] RDX: 0000000000000000 RSI: 00007ffe53286510 RDI: 0000000000000005
[   13.500497][  T269] RBP: 00007ffe53286470 R08: 0000000000000000 R09: 0000000000000000
[   13.500707][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.500922][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53286be0
| [   13.502784][   T45] ------------[ cut here ]------------
| [   13.502955][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/45
| [   13.503202][   T45] Modules linked in:
| [   13.503628][   T45] Tainted: [W]=WARN
[   13.503777][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.503933][   T45] Workqueue: events_unbound linkwatch_event
[   13.504101][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.504270][   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
[   13.504766][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   13.504923][   T45] RAX: 00000000ffffffa6 RBX: ff1100000cc4b380 RCX: 1ff4000000063f02
[   13.505109][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc4b43c
[   13.505325][   T45] RBP: ff1100000f53c000 R08: 1fe2200001989689 R09: ff110000020051a8
[   13.505519][   T45] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.505706][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.505908][   T45] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   13.506124][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.506285][   T45] CR2: 00007f9744093574 CR3: 000000004af4d001 CR4: 0000000000771ef0
[   13.506494][   T45] PKRU: 55555554
[   13.506641][   T45] Call Trace:
[   13.506741][   T45]  <TASK>
[   13.506806][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.506939][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.507064][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.507161][   T45]  netif_state_change (net/core/dev.c:1605)
[   13.507288][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.507450][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.507573][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.507701][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.507834][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.507957][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.508092][   T45]  process_one_work (kernel/workqueue.c:3314)
[   13.508227][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.508351][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.508500][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.508633][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.508763][   T45]  kthread (kernel/kthread.c:436)
[   13.508856][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.509010][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.509133][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.509260][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.509418][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.509543][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.509668][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.511286][   T45] ------------[ cut here ]------------
| [   13.511415][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/45
| [   13.511664][   T45] Modules linked in:
| [   13.512060][   T45] Tainted: [W]=WARN
[   13.512155][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.512316][   T45] Workqueue: events_unbound linkwatch_event
[   13.512484][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.512647][   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
[   13.513100][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   13.513264][   T45] RAX: 00000000ffffffa6 RBX: ff1100000cc4a740 RCX: 1ff4000000063f02
[   13.513459][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc4a7fc
[   13.513647][   T45] RBP: ff11000009bfc000 R08: 1fe2200001989501 R09: ff110000020051a8
[   13.513863][   T45] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.514103][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.514324][   T45] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   13.514569][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.514683][  T269] ip (269) used greatest stack depth: 23208 bytes left
[   13.514736][   T45] CR2: 00007f9744093574 CR3: 000000004af4d001 CR4: 0000000000771ef0
[   13.514740][   T45] PKRU: 55555554
[   13.514742][   T45] Call Trace:
[   13.514743][   T45]  <TASK>
[   13.514747][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.514752][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.514755][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.514759][   T45]  netif_state_change (net/core/dev.c:1605)
[   13.514763][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.514768][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.514771][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.514774][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.514780][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.514782][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.514786][   T45]  process_one_work (kernel/workqueue.c:3314)
[   13.514793][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.514795][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.514803][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.514810][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.514812][   T45]  kthread (kernel/kthread.c:436)
[   13.514815][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.514817][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.514820][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.514824][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.514828][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.514831][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.514834][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.515915][   T45] ------------[ cut here ]------------
| [   13.519885][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/45
| [   13.520129][   T45] Modules linked in:
| [   13.520588][   T45] Tainted: [W]=WARN
[   13.520683][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.520885][   T45] Workqueue: events_unbound linkwatch_event
[   13.521056][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.521230][   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
[   13.521684][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   13.522161][   T45] RAX: 00000000ffffffa6 RBX: ff1100000f9d1a80 RCX: 1ff4000000063f02
[   13.522352][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9d1b3c
[   13.522543][   T45] RBP: ff110000096bc000 R08: 1fe2200001f3a369 R09: ff110000020051a8
[   13.522736][   T45] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.522922][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.523109][   T45] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   13.523349][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.523512][   T45] CR2: 00007f9744093574 CR3: 000000004af4d001 CR4: 0000000000771ef0
[   13.523701][   T45] PKRU: 55555554
[   13.523800][   T45] Call Trace:
[   13.523912][   T45]  <TASK>
[   13.523985][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.524111][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.524248][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.524345][   T45]  netif_state_change (net/core/dev.c:1605)
[   13.524476][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.524633][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.524761][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.524888][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.525016][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.525140][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.525271][   T45]  process_one_work (kernel/workqueue.c:3314)
[   13.525404][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.525529][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.525658][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.525793][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.525917][   T45]  kthread (kernel/kthread.c:436)
[   13.526009][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.526162][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.526299][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.526427][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.526584][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.526708][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.526837][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.528584][   T45] ------------[ cut here ]------------
| [   13.528706][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/45
| [   13.528959][   T45] Modules linked in:
| [   13.529342][   T45] Tainted: [W]=WARN
[   13.529439][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.529594][   T45] Workqueue: events_unbound linkwatch_event
[   13.530238][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.530406][   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
[   13.530916][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   13.531124][   T45] RAX: 00000000ffffffa6 RBX: ff1100000f9d0c80 RCX: 1ff4000000063f02
[   13.531312][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9d0d3c
[   13.531501][   T45] RBP: ff11000011d64000 R08: 1fe2200001f3a1a9 R09: ff110000020051a8
[   13.531689][   T45] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.531943][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.532138][   T45] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   13.532358][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.532520][   T45] CR2: 00007f9744093574 CR3: 000000004af4d001 CR4: 0000000000771ef0
[   13.532705][   T45] PKRU: 55555554
[   13.532848][   T45] Call Trace:
[   13.532940][   T45]  <TASK>
[   13.533005][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.533138][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.533266][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.533361][   T45]  netif_state_change (net/core/dev.c:1605)
[   13.533490][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.533648][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.533822][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.533945][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.534071][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.534193][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.534320][   T45]  process_one_work (kernel/workqueue.c:3314)
[   13.534466][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.534594][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.534774][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.534902][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.535027][   T45]  kthread (kernel/kthread.c:436)
[   13.535120][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.535277][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.535406][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.535532][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.535687][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.535860][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.535982][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.537789][   T45] ------------[ cut here ]------------
| [   13.537936][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/45
| [   13.538178][   T45] Modules linked in:
| [   13.538567][   T45] Tainted: [W]=WARN
[   13.538661][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.538852][   T45] Workqueue: events_unbound linkwatch_event
[   13.539013][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.539176][   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
[   13.539639][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   13.539812][   T45] RAX: 00000000ffffffa6 RBX: ff1100000f9d0580 RCX: 1ff4000000063f02
[   13.539998][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9d063c
[   13.540183][   T45] RBP: ff1100000fd49000 R08: 1fe2200001f3a0c9 R09: ff110000020051a8
[   13.540372][   T45] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.540568][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.540760][   T45] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.540976][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.541131][   T45] CR2: 00000000004ed340 CR3: 000000004af4d002 CR4: 0000000000771ef0
[   13.541321][   T45] PKRU: 55555554
[   13.541417][   T45] Call Trace:
[   13.541510][   T45]  <TASK>
[   13.541576][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.541702][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.541833][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.541928][   T45]  netif_state_change (net/core/dev.c:1605)
[   13.542053][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.542212][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.542340][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.542469][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.542596][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.542726][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.542850][   T45]  process_one_work (kernel/workqueue.c:3314)
[   13.542979][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.543103][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.543235][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.543364][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.543493][   T45]  kthread (kernel/kthread.c:436)
[   13.543588][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.543749][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.543890][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.544017][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.544173][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.544303][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.544435][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.570445][  T270] ------------[ cut here ]------------
| [   13.570578][  T270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: bridge/270
| [   13.570928][  T270] Modules linked in:
| [   13.571331][  T270] Tainted: [W]=WARN
[   13.571445][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.571618][  T270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.571880][  T270] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.572357][  T270] RSP: 0018:ffa0000000a47150 EFLAGS: 00010286
[   13.572530][  T270] RAX: 00000000ffffffa6 RBX: ff1100000bf37540 RCX: 1ff4000000148df0
[   13.572817][  T270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf375fc
[   13.573013][  T270] RBP: ff11000009c89000 R08: 1fe22000017e6ec1 R09: ff110000101a2e58
[   13.573211][  T270] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.573415][  T270] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ebb58c0
[   13.573616][  T270] FS:  00007f2720c12840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.573936][  T270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.574102][  T270] CR2: 000000000042b180 CR3: 0000000011ef5005 CR4: 0000000000771ef0
[   13.574308][  T270] PKRU: 55555554
[   13.574413][  T270] Call Trace:
[   13.574519][  T270]  <TASK>
[   13.574588][  T270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.574798][  T270]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.574931][  T270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.575049][  T270]  netif_state_change (net/core/dev.c:1605)
[   13.575186][  T270]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.575356][  T270]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   13.575533][  T270]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   13.575664][  T270]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   13.575907][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.576048][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.576181][  T270]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   13.576323][  T270]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.576462][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.576598][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.576754][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.576885][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.577017][  T270]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.577148][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.577285][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.577424][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.577558][  T270]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   13.577707][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.577844][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.577975][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.578104][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.578244][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.578373][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.578513][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.578646][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.578791][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.578928][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.579062][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.579201][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.579339][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.579484][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.579618][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.579760][  T270]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.579894][  T270]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.580030][  T270]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.580162][  T270]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.580297][  T270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.580483][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   13.580616][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.580758][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.580923][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.581061][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.581229][  T270]  ___sys_sendmsg (net/socket.c:2752)
[   13.581377][  T270]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.581523][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.581665][  T270]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   13.581805][  T270]  ? do_getsockname (net/socket.c:2192)
[   13.581939][  T270]  __sys_sendmsg (net/socket.c:2784)
[   13.582071][  T270]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.582208][  T270]  ? __sys_getsockname (net/socket.c:2210)
[   13.582345][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.582485][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.582619][  T270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.582757][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.582890][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.583054][  T270] RIP: 0033:0x7f2720e4c08e
[   13.583193][  T270] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.583696][  T270] RSP: 002b:00007ffdd04c4240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.583903][  T270] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2720e4c08e
[   13.584100][  T270] RDX: 0000000000000000 RSI: 00007ffdd04c42f0 RDI: 0000000000000006
[   13.584302][  T270] RBP: 00007ffdd04c4250 R08: 0000000000000000 R09: 0000000000000000
[   13.584511][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.584710][  T270] R13: 00007ffdd04c43a0 R14: 000000000000000a R15: 00007ffdd04c4e68
| [   13.645045][  T272] ------------[ cut here ]------------
| [   13.645208][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/272
| [   13.645453][  T272] Modules linked in:
| [   13.645861][  T272] Tainted: [W]=WARN
[   13.645962][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.646130][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.646309][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.646817][  T272] RSP: 0018:ffa0000000c77150 EFLAGS: 00010286
[   13.646991][  T272] RAX: 00000000ffffffa6 RBX: ff1100000ce8bc40 RCX: 1ff400000018edf0
[   13.647190][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce8bcfc
[   13.647389][  T272] RBP: ff11000011ee2000 R08: 1fe22000019d17a1 R09: ff11000010038b58
[   13.647603][  T272] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.647823][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce39c40
[   13.648023][  T272] FS:  00007fb14f96f840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.648272][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.648452][  T272] CR2: 00000000004ec908 CR3: 000000000b738001 CR4: 0000000000771ef0
[   13.648653][  T272] PKRU: 55555554
[   13.648764][  T272] Call Trace:
[   13.648862][  T272]  <TASK>
[   13.648933][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.649066][  T272]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.649199][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.649307][  T272]  netif_state_change (net/core/dev.c:1605)
[   13.649444][  T272]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.649609][  T272]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   13.649784][  T272]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   13.649915][  T272]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   13.650047][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.650180][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.650316][  T272]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   13.650459][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.650608][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.650749][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.650899][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.651032][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.651163][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.651296][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.651432][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.651566][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.651698][  T272]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   13.651938][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.652075][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.652206][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.652346][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.652484][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.652614][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.652830][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.652965][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.653098][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.653235][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.653366][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.653506][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.653640][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.653860][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.654069][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.654205][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.654343][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.654479][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.654613][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.654813][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.654980][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   13.655120][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.655259][  T272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.655426][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.655557][  T272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.655725][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   13.655858][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.656011][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.656150][  T272]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   13.656288][  T272]  ? do_getsockname (net/socket.c:2192)
[   13.656427][  T272]  __sys_sendmsg (net/socket.c:2784)
[   13.656559][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.656693][  T272]  ? __sys_getsockname (net/socket.c:2210)
[   13.656829][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.656960][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.657097][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.657238][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.657370][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.657539][  T272] RIP: 0033:0x7fb14fba908e
[   13.657678][  T272] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.658164][  T272] RSP: 002b:00007ffecf094190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.658369][  T272] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb14fba908e
[   13.658587][  T272] RDX: 0000000000000000 RSI: 00007ffecf094240 RDI: 0000000000000006
[   13.658787][  T272] RBP: 00007ffecf0941a0 R08: 0000000000000000 R09: 0000000000000000
[   13.658983][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.659180][  T272] R13: 00007ffecf0942f0 R14: 00007ffecf095f48 R15: 00000000fffffff5
| [   13.729421][  T272] ------------[ cut here ]------------
| [   13.729634][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/272
| [   13.729901][  T272] Modules linked in: vxlan
| [   13.730364][  T272] Tainted: [W]=WARN
[   13.730477][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.730658][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.730848][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.731368][  T272] RSP: 0018:ffa0000000c76fd0 EFLAGS: 00010286
[   13.731555][  T272] RAX: 00000000ffffffa6 RBX: ff1100000ca46c80 RCX: 1ff400000018edc0
[   13.731776][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca46d3c
[   13.731990][  T272] RBP: ff11000007912000 R08: 1fe2200001948da9 R09: ff11000010038b80
[   13.732205][  T272] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.732428][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007912e44
[   13.732648][  T272] FS:  00007fb14f96f840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.732906][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.733084][  T272] CR2: 00007f7e787de808 CR3: 000000000b738003 CR4: 0000000000771ef0
[   13.733301][  T272] PKRU: 55555554
[   13.733411][  T272] Call Trace:
[   13.733520][  T272]  <TASK>
[   13.733596][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.734871][  T272]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   13.735057][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.735168][  T272]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   13.735318][  T272]  __dev_notify_flags (net/core/dev.c:9787)
[   13.735466][  T272]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.735614][  T272]  ? netif_change_name (net/core/dev.c:1495)
[   13.735763][  T272]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   13.735908][  T272]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.736053][  T272] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   13.736201][  T272]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   13.736352][  T272] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   13.736504][  T272]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   13.736652][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.736800][  T272]  ? nla_strscpy (lib/nlattr.c:795)
[   13.736978][  T272]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.737121][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.737268][  T272]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.737417][  T272]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.737568][  T272]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.737720][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.737867][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.738010][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.738155][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.738299][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.738445][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.738595][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.738871][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.739017][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.739191][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.739338][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.739491][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.739638][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.739786][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.739937][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.740081][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.740229][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.740376][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.740549][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.740699][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.740853][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.740998][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.741143][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.741293][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.741442][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.741590][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.741737][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.741885][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.742062][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   13.742214][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   13.742359][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.742511][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.742664][  T272]  ? 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))
[   13.742815][  T272]  __sys_sendmsg (net/socket.c:2784)
[   13.742959][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.743107][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.743259][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.743415][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.743562][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.743705][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.743853][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.744030][  T272] RIP: 0033:0x7fb14fba908e
[   13.744181][  T272] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.744741][  T272] RSP: 002b:00007ffecf0957a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.744960][  T272] RAX: ffffffffffffffda RBX: 00007ffecf095f68 RCX: 00007fb14fba908e
[   13.745176][  T272] RDX: 0000000000000000 RSI: 00007ffecf095850 RDI: 0000000000000005
[   13.745397][  T272] RBP: 00007ffecf0957b0 R08: 0000000000000000 R09: 0000000000000000
[   13.745622][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.745847][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecf095f20
| [   13.748111][  T272] ------------[ cut here ]------------
| [   13.748257][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/272
| [   13.748496][  T272] Modules linked in: vxlan
| [   13.749591][  T272] Tainted: [W]=WARN
[   13.749708][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.749992][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.750194][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.750694][  T272] RSP: 0018:ffa0000000c771b0 EFLAGS: 00010286
[   13.750933][  T272] RAX: 00000000ffffffa6 RBX: ff1100000ca46ac0 RCX: 1ff400000018edfc
[   13.751238][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca46b7c
[   13.751461][  T272] RBP: ff11000007912000 R08: 1fe2200001948d71 R09: ff11000010038b80
[   13.751665][  T272] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.751957][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0354bc0
[   13.752160][  T272] FS:  00007fb14f96f840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   13.752424][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.752595][  T272] CR2: 00007f7e787de808 CR3: 000000000b738003 CR4: 0000000000771ef0
[   13.752905][  T272] PKRU: 55555554
[   13.753007][  T272] Call Trace:
[   13.753109][  T272]  <TASK>
[   13.753180][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.753322][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.753447][  T272]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.753585][  T272]  __dev_notify_flags (net/core/dev.c:9787)
[   13.753780][  T272]  ? netif_change_name (net/core/dev.c:1495)
[   13.753917][  T272]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.754053][  T272]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   13.754222][  T272]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.754361][  T272]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.754504][  T272]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.754645][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.754841][  T272]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.754977][  T272]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.755119][  T272]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.755263][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.755407][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.755551][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.755687][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.755834][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.755970][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.756132][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.756276][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.756418][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.756554][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.756689][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.756829][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.756968][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.757104][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.757245][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.757396][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.757560][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.757701][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.757842][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.757982][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.758119][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.758259][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.758396][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.758539][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.758676][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.758819][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.758956][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.759092][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.759263][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   13.759409][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   13.759545][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.759681][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.759832][  T272]  ? 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))
[   13.759982][  T272]  __sys_sendmsg (net/socket.c:2784)
[   13.760120][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.760264][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.760406][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.760544][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.760679][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.760820][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.760961][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.761131][  T272] RIP: 0033:0x7fb14fba908e
[   13.761280][  T272] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.761776][  T272] RSP: 002b:00007ffecf0957a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.761982][  T272] RAX: ffffffffffffffda RBX: 00007ffecf095f68 RCX: 00007fb14fba908e
[   13.762186][  T272] RDX: 0000000000000000 RSI: 00007ffecf095850 RDI: 0000000000000005
[   13.762407][  T272] RBP: 00007ffecf0957b0 R08: 0000000000000000 R09: 0000000000000000
[   13.762631][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.762838][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecf095f20
| [   13.766815][  T272] ------------[ cut here ]------------
| [   13.766984][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/272
| [   13.767231][  T272] Modules linked in: vxlan
| [   13.767687][  T272] Tainted: [W]=WARN
[   13.767801][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.767974][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.768156][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.768688][  T272] RSP: 0018:ffa0000000c77070 EFLAGS: 00010286
[   13.768866][  T272] RAX: 00000000ffffffa6 RBX: ff1100000b26e3c0 RCX: 1ff400000018edd4
[   13.769070][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b26e47c
[   13.769284][  T272] RBP: ff11000007912000 R08: 1fe220000164dc91 R09: ff11000010038b80
[   13.769494][  T272] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.769703][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.769917][  T272] FS:  00007fb14f96f840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.770161][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.770339][  T272] CR2: 00000000004ec908 CR3: 000000000b738001 CR4: 0000000000771ef0
[   13.770555][  T272] PKRU: 55555554
[   13.770658][  T272] Call Trace:
[   13.770767][  T272]  <TASK>
[   13.770838][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.770978][  T272]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.771117][  T272]  notifier_call_chain (kernel/notifier.c:85)
[   13.771262][  T272]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.771429][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.771568][  T272]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.771709][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.771859][  T272]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   13.771998][  T272]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   13.772136][  T272]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   13.772280][  T272]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   13.772423][  T272]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   13.772564][  T272]  br_add_if (net/bridge/br_if.c:619)
[   13.772673][  T272]  do_set_master (net/core/rtnetlink.c:3011)
[   13.772820][  T272]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   13.772960][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.773099][  T272]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.773241][  T272]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.773385][  T272]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.773531][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.773673][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.773817][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.773956][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.774092][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.774229][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.774369][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.774512][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.774657][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.774804][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.774941][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.775078][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.775222][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.775360][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.775504][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.775644][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.775789][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.775944][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.776086][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.776230][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.776369][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.776513][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.776654][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.776798][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.776940][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.777089][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.777230][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.777372][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.777549][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   13.777692][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   13.777838][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.777978][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.778125][  T272]  ? 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))
[   13.778266][  T272]  __sys_sendmsg (net/socket.c:2784)
[   13.778409][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.778552][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.778701][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.778845][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.778984][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.779121][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.779261][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.779436][  T272] RIP: 0033:0x7fb14fba908e
[   13.779581][  T272] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.780082][  T272] RSP: 002b:00007ffecf0957a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.780309][  T272] RAX: ffffffffffffffda RBX: 00007ffecf095f68 RCX: 00007fb14fba908e
[   13.780530][  T272] RDX: 0000000000000000 RSI: 00007ffecf095850 RDI: 0000000000000005
[   13.780741][  T272] RBP: 00007ffecf0957b0 R08: 0000000000000000 R09: 0000000000000000
[   13.780948][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.781154][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecf095f20
| [   13.782944][  T272] ------------[ cut here ]------------
| [   13.783084][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/272
| [   13.783337][  T272] Modules linked in: vxlan
| [   13.783783][  T272] Tainted: [W]=WARN
[   13.783892][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.784071][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.784276][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.784818][  T272] RSP: 0018:ffa0000000c77030 EFLAGS: 00010286
[   13.784998][  T272] RAX: 00000000ffffffa6 RBX: ff1100000b26e580 RCX: 1ff400000018edcc
[   13.785212][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b26e63c
[   13.785437][  T272] RBP: ff11000007912000 R08: 1fe220000164dcc9 R09: ff11000010038b80
[   13.785653][  T272] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   13.785876][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a108408
[   13.786093][  T272] FS:  00007fb14f96f840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.786350][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.786535][  T272] CR2: 00000000004ec908 CR3: 000000000b738001 CR4: 0000000000771ef0
[   13.786761][  T272] PKRU: 55555554
[   13.786868][  T272] Call Trace:
[   13.786976][  T272]  <TASK>
[   13.787051][  T272]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   13.787200][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.787378][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.787497][  T272]  __dev_notify_flags (net/core/dev.c:9787)
[   13.787645][  T272]  ? netdev_notice (net/core/dev.c:13008)
[   13.787800][  T272]  ? netif_change_name (net/core/dev.c:1495)
[   13.787945][  T272]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.788126][  T272]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.788280][  T272]  __dev_set_promiscuity (net/core/dev.c:9630)
[   13.788436][  T272]  netif_set_promiscuity (net/core/dev.c:9639)
[   13.788584][  T272]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.788733][  T272]  br_port_set_promisc (net/bridge/br_if.c:108)
[   13.788880][  T272]  br_manage_promisc (net/bridge/br_if.c:174)
[   13.789025][  T272]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   13.789171][  T272]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   13.789290][  T272]  do_set_master (net/core/rtnetlink.c:3011)
[   13.789442][  T272]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   13.789590][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.789742][  T272]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.789887][  T272]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.790039][  T272]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.790189][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.790337][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.790487][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.790632][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.790811][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.790955][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.791105][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.791256][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.791407][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.791552][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.791696][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.791847][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.791993][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.792137][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.792290][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.792438][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.792584][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.792739][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.792884][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.793040][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.793186][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.793337][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.794296][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.794449][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.794596][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.794748][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.794893][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.795038][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.795221][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   13.795383][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   13.795535][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.795681][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.795842][  T272]  ? 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))
[   13.795988][  T272]  __sys_sendmsg (net/socket.c:2784)
[   13.796133][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.796287][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.796438][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.796586][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.796734][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.796879][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.797024][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.797204][  T272] RIP: 0033:0x7fb14fba908e
[   13.797358][  T272] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.797889][  T272] RSP: 002b:00007ffecf0957a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.798108][  T272] RAX: ffffffffffffffda RBX: 00007ffecf095f68 RCX: 00007fb14fba908e
[   13.798330][  T272] RDX: 0000000000000000 RSI: 00007ffecf095850 RDI: 0000000000000005
[   13.798552][  T272] RBP: 00007ffecf0957b0 R08: 0000000000000000 R09: 0000000000000000
[   13.798771][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.798988][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecf095f20
| [   13.801414][  T272] ------------[ cut here ]------------
| [   13.801579][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/272
| [   13.801821][  T272] Modules linked in: vxlan
| [   13.802246][  T272] Tainted: [W]=WARN
[   13.802347][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.802521][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.802696][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.803292][  T272] RSP: 0018:ffa0000000c77108 EFLAGS: 00010286
[   13.803616][  T272] RAX: 00000000ffffffa6 RBX: ff1100000b26ee40 RCX: 1ff400000018ede7
[   13.803827][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b26eefc
[   13.804036][  T272] RBP: ff11000011ee2000 R08: 1fe220000164dde1 R09: ff11000010038b80
[   13.804250][  T272] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.804462][  T272] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[   13.804671][  T272] FS:  00007fb14f96f840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   13.804922][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.805098][  T272] CR2: 00000000004ec908 CR3: 000000000b738001 CR4: 0000000000771ef0
[   13.805900][  T272] PKRU: 55555554
[   13.806024][  T272] Call Trace:
[   13.806319][  T272]  <TASK>
[   13.806389][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.806530][  T272]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.806668][  T272]  notifier_call_chain (kernel/notifier.c:85)
[   13.806815][  T272]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   13.806989][  T272]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[   13.807159][  T272]  ? netdev_change_features (net/core/dev.c:11117)
[   13.807299][  T272]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   13.807444][  T272]  br_add_if (net/bridge/br_if.c:683)
[   13.807554][  T272]  do_set_master (net/core/rtnetlink.c:3011)
[   13.807692][  T272]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   13.807836][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.807973][  T272]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.808109][  T272]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.808258][  T272]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.808406][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.808547][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.808683][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.808826][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.808961][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.809099][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.809245][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.809384][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.809525][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.809661][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.809799][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.809936][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.810073][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.810210][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.810369][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.810511][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.810648][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.810796][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.810931][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.811073][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.811213][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.811353][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.811498][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.811635][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.811790][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.811928][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.812066][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.812203][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.812376][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   13.812522][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   13.812658][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.812800][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.812948][  T272]  ? 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))
[   13.813088][  T272]  __sys_sendmsg (net/socket.c:2784)
[   13.813228][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.813369][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.813511][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.813650][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.813794][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.813930][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.814067][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.814243][  T272] RIP: 0033:0x7fb14fba908e
[   13.814386][  T272] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.814885][  T272] RSP: 002b:00007ffecf0957a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.815109][  T272] RAX: ffffffffffffffda RBX: 00007ffecf095f68 RCX: 00007fb14fba908e
[   13.815331][  T272] RDX: 0000000000000000 RSI: 00007ffecf095850 RDI: 0000000000000005
[   13.815540][  T272] RBP: 00007ffecf0957b0 R08: 0000000000000000 R09: 0000000000000000
[   13.815750][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca1
[   13.815955][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecf095f20
| [   14.090942][  T283] ------------[ cut here ]------------
| [   14.091130][  T283] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/283
| [   14.091379][  T283] Modules linked in: vxlan
| [   14.091810][  T283] Tainted: [W]=WARN
[   14.091915][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.092082][  T283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.092260][  T283] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.092746][  T283] RSP: 0018:ffa00000005e7020 EFLAGS: 00010286
[   14.092914][  T283] RAX: 00000000ffffffa6 RBX: ff1100000cead700 RCX: 1ff40000000bcdca
[   14.093127][  T283] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cead7bc
[   14.093341][  T283] RBP: ff110000103ec000 R08: 1fe22000019d5af9 R09: ff1100000fa2d158
[   14.093552][  T283] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.093853][  T283] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.094122][  T283] FS:  00007f4b10bae840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.094361][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.094545][  T283] CR2: 000000000f7ed988 CR3: 000000000b738003 CR4: 0000000000771ef0
[   14.094841][  T283] PKRU: 55555554
[   14.094941][  T283] Call Trace:
[   14.095040][  T283]  <TASK>
[   14.095110][  T283]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.095250][  T283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.095352][  T283]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.095541][  T283]  __dev_notify_flags (net/core/dev.c:9787)
[   14.095677][  T283]  ? netif_change_name (net/core/dev.c:1495)
[   14.095868][  T283]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.096001][  T283]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.096133][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.096272][  T283]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.096412][  T283]  netif_change_flags (net/core/dev.c:9820)
[   14.096545][  T283]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.096681][  T283]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.096884][  T283]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.097021][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.097188][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.097329][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.097467][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.097626][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.097764][  T283]  ? __kernel_text_address (kernel/extable.c:79)
[   14.097898][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.098034][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.098168][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.098309][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.098450][  T283]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.098585][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.098727][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.098862][  T283]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.098997][  T283]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.099132][  T283]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.099272][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.099431][  T283]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.099573][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.099720][  T283]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.099857][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.100004][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.100138][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.100277][  T283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.100437][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.100574][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.100709][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.100851][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.100986][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.101123][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.101262][  T283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.101397][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.101539][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.101673][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.101813][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.101948][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.102083][  T283]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.102222][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.102357][  T283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.102501][  T283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.102637][  T283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.102784][  T283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.102921][  T283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.103058][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.103194][  T283]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.103333][  T283]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.103476][  T283]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.103614][  T283]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.103754][  T283]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.103894][  T283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.104060][  T283]  ? move_addr_to_kernel (net/socket.c:258)
[   14.104194][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.104331][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.104489][  T283]  ___sys_sendmsg (net/socket.c:2752)
[   14.104624][  T283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.104794][  T283]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.104940][  T283]  __sys_sendmsg (net/socket.c:2784)
[   14.105076][  T283]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.105216][  T283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.105387][  T283]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.105529][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.105662][  T283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.105802][  T283]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.105936][  T283]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.106070][  T283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.106247][  T283] RIP: 0033:0x7f4b10de808e
[   14.106389][  T283] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.106886][  T283] RSP: 002b:00007ffe455fa2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.107092][  T283] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4b10de808e
[   14.107297][  T283] RDX: 0000000000000000 RSI: 00007ffe455fa3a0 RDI: 0000000000000005
[   14.107504][  T283] RBP: 00007ffe455fa300 R08: 0000000000000000 R09: 0000000000000000
[   14.107704][  T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.107909][  T283] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe455faa70
| [   14.110189][   T39] ------------[ cut here ]------------
| [   14.110317][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   14.110565][   T39] Modules linked in: vxlan
| [   14.111517][   T39] Tainted: [W]=WARN
[   14.111612][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.111772][   T39] Workqueue: events_unbound linkwatch_event
[   14.111935][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.112098][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.112550][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   14.112704][   T39] RAX: 00000000ffffffa6 RBX: ff1100000b956200 RCX: 1ff4000000057f02
[   14.112894][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9562bc
[   14.113077][   T39] RBP: ff110000103ec000 R08: 1fe220000172ac59 R09: ff11000001da51a8
[   14.113264][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.113451][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.113639][   T39] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.113860][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.114014][   T39] CR2: 000000000f7ed988 CR3: 000000004af4d001 CR4: 0000000000771ef0
[   14.114198][   T39] PKRU: 55555554
[   14.114294][   T39] Call Trace:
[   14.114388][   T39]  <TASK>
[   14.114457][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.114581][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.114704][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.114804][   T39]  netif_state_change (net/core/dev.c:1605)
[   14.114955][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.115113][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.115241][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.115371][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.115500][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.115623][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.115758][   T39]  process_one_work (kernel/workqueue.c:3314)
[   14.115886][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.116008][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.116135][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.116269][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.116395][   T39]  kthread (kernel/kthread.c:436)
[   14.116493][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.116647][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.116777][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.116905][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.117056][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.117180][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.117309][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.119070][   T39] ------------[ cut here ]------------
| [   14.119195][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   14.119448][   T39] Modules linked in: vxlan
| [   14.120319][   T39] Tainted: [W]=WARN
[   14.120447][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.120618][   T39] Workqueue: events_unbound linkwatch_event
[   14.120829][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.120988][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.121438][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   14.121603][   T39] RAX: 00000000ffffffa6 RBX: ff1100000b956900 RCX: 1ff4000000057f02
[   14.121834][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9569bc
[   14.122021][   T39] RBP: ff110000103e9000 R08: 1fe220000172ad39 R09: ff11000001da51a8
[   14.122204][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.122394][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.122642][   T39] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.122910][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.123072][   T39] CR2: 000000000f7ed988 CR3: 000000004af4d001 CR4: 0000000000771ef0
[   14.123265][   T39] PKRU: 55555554
[   14.123357][   T39] Call Trace:
[   14.123459][   T39]  <TASK>
[   14.123525][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.123648][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.123821][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.123917][   T39]  netif_state_change (net/core/dev.c:1605)
[   14.124041][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.124198][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.124326][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.124458][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.124584][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.124707][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.124879][   T39]  process_one_work (kernel/workqueue.c:3314)
[   14.125029][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.125163][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.125300][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.125465][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.125594][   T39]  kthread (kernel/kthread.c:436)
[   14.125688][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.125896][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.126022][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.126146][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.126311][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.126442][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.126569][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.211597][  T286] ------------[ cut here ]------------
| [   14.211796][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/286
| [   14.212035][  T286] Modules linked in: vxlan
| [   14.212463][  T286] Tainted: [W]=WARN
[   14.212566][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.212742][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.212917][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.213408][  T286] RSP: 0018:ffa00000006171b0 EFLAGS: 00010286
[   14.213580][  T286] RAX: 00000000ffffffa6 RBX: ff1100000bb90e40 RCX: 1ff40000000c2dfc
[   14.213790][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb90efc
[   14.213992][  T286] RBP: ff1100000e9d2000 R08: 1fe22000017721e1 R09: ff110000102d5180
[   14.214193][  T286] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.214399][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff86920900
[   14.214650][  T286] FS:  00007ff1e8b5c840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.214892][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.215064][  T286] CR2: 0000000000441b40 CR3: 000000000b738001 CR4: 0000000000771ef0
[   14.215275][  T286] PKRU: 55555554
[   14.215379][  T286] Call Trace:
[   14.215487][  T286]  <TASK>
[   14.215558][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.215695][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.215886][  T286]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.216100][  T286]  __dev_notify_flags (net/core/dev.c:9787)
[   14.216244][  T286]  ? netif_change_name (net/core/dev.c:1495)
[   14.216382][  T286]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.216523][  T286]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.216658][  T286]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.216903][  T286]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.217043][  T286]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.217181][  T286]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.217324][  T286]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.217467][  T286]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.217601][  T286]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.217845][  T286]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.217985][  T286]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.218123][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.218261][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.218397][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.218538][  T286]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.218677][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.218880][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.219017][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.219153][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.219294][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.219435][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.219571][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.219819][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.219955][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.220092][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.220230][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.220366][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.220511][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.220647][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.220842][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.220982][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.221120][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.221262][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.221400][  T286]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.221574][  T286]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.221856][  T286]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.221994][  T286]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.222132][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.222307][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   14.222452][  T286]  ___sys_sendmsg (net/socket.c:2752)
[   14.222589][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.222793][  T286]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.222939][  T286]  ? 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))
[   14.223077][  T286]  __sys_sendmsg (net/socket.c:2784)
[   14.223220][  T286]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.223360][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.223502][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.223641][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.223783][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.223919][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.224055][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.224227][  T286] RIP: 0033:0x7ff1e8d9608e
[   14.224372][  T286] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.224876][  T286] RSP: 002b:00007fff81b9d640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.225081][  T286] RAX: ffffffffffffffda RBX: 00007fff81b9ddf8 RCX: 00007ff1e8d9608e
[   14.225291][  T286] RDX: 0000000000000000 RSI: 00007fff81b9d6f0 RDI: 0000000000000005
[   14.225500][  T286] RBP: 00007fff81b9d650 R08: 0000000000000000 R09: 0000000000000000
[   14.225703][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.225911][  T286] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff81b9ddc0
| [   14.263191][  T287] ------------[ cut here ]------------
| [   14.263381][  T287] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/287
| [   14.263627][  T287] Modules linked in: vxlan
| [   14.264055][  T287] Tainted: [W]=WARN
[   14.264159][  T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.264335][  T287] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.264519][  T287] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.265013][  T287] RSP: 0018:ffa0000000627090 EFLAGS: 00010286
[   14.265190][  T287] RAX: 00000000ffffffa6 RBX: ff1100000f517380 RCX: 1ff40000000c4dd8
[   14.265399][  T287] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f51743c
[   14.265610][  T287] RBP: ff1100000e9d2000 R08: 1fe2200001ea2e89 R09: ff110000102d2e80
[   14.265862][  T287] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.266067][  T287] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   14.266280][  T287] FS:  00007fddcfde9840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.266525][  T287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.266697][  T287] CR2: 000000000042e5e0 CR3: 00000000100f6004 CR4: 0000000000771ef0
[   14.266909][  T287] PKRU: 55555554
[   14.267013][  T287] Call Trace:
[   14.267116][  T287]  <TASK>
[   14.267187][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.267328][  T287]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.267470][  T287]  notifier_call_chain (kernel/notifier.c:85)
[   14.267612][  T287]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   14.267756][  T287]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.267899][  T287]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   14.268039][  T287]  netdev_upper_dev_link (net/core/dev.c:8972)
[   14.268179][  T287]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   14.268325][  T287]  register_vlan_dev (net/8021q/vlan.c:183)
[   14.268471][  T287]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   14.268613][  T287]  vlan_newlink (net/8021q/vlan_netlink.c:194)
[   14.268755][  T287]  ? nla_strscpy (lib/nlattr.c:795)
[   14.268895][  T287]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.269034][  T287]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.269173][  T287]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.269315][  T287]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.269465][  T287]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.269609][  T287]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.269754][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.269893][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.270030][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.270169][  T287]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.270312][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.270457][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.270616][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.270784][  T287]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.270921][  T287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.271058][  T287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.271194][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.271337][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.271485][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.271624][  T287]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.271767][  T287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.271906][  T287]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.272049][  T287]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.272186][  T287]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.272330][  T287]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.272477][  T287]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.272617][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.272761][  T287]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.272902][  T287]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.273040][  T287]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.273179][  T287]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.273322][  T287]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.273466][  T287]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.273640][  T287]  ? move_addr_to_kernel (net/socket.c:258)
[   14.273807][  T287]  ___sys_sendmsg (net/socket.c:2752)
[   14.273943][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.274079][  T287]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.274230][  T287]  ? 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))
[   14.274372][  T287]  __sys_sendmsg (net/socket.c:2784)
[   14.274517][  T287]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.274661][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.274803][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.274941][  T287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.275077][  T287]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.275219][  T287]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.275358][  T287]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.275536][  T287] RIP: 0033:0x7fddd002308e
[   14.275683][  T287] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.276182][  T287] RSP: 002b:00007ffe9a827f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.276395][  T287] RAX: ffffffffffffffda RBX: 00007ffe9a8286d8 RCX: 00007fddd002308e
[   14.276610][  T287] RDX: 0000000000000000 RSI: 00007ffe9a827fc0 RDI: 0000000000000005
[   14.276825][  T287] RBP: 00007ffe9a827f20 R08: 0000000000000000 R09: 0000000000000000
[   14.277033][  T287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.277244][  T287] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9a828690
| [   14.284629][  T287] ------------[ cut here ]------------
| [   14.284795][  T287] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/287
| [   14.285026][  T287] Modules linked in: vxlan
| [   14.285449][  T287] Tainted: [W]=WARN
[   14.285557][  T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.285733][  T287] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.285910][  T287] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.286393][  T287] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[   14.286568][  T287] RAX: 00000000ffffffa6 RBX: ff1100000f5171c0 RCX: 1ff40000000c4dfc
[   14.286777][  T287] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f51727c
[   14.286980][  T287] RBP: ff110000059c4000 R08: 1fe2200001ea2e51 R09: ff110000102d2e80
[   14.287186][  T287] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.287391][  T287] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8696b3a0
[   14.287600][  T287] FS:  00007fddcfde9840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.287840][  T287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.288011][  T287] CR2: 000000000042e5e0 CR3: 00000000100f6004 CR4: 0000000000771ef0
[   14.288217][  T287] PKRU: 55555554
[   14.288320][  T287] Call Trace:
[   14.288426][  T287]  <TASK>
[   14.288496][  T287]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.288634][  T287]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.288742][  T287]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.288877][  T287]  __dev_notify_flags (net/core/dev.c:9787)
[   14.289015][  T287]  ? netif_change_name (net/core/dev.c:1495)
[   14.289150][  T287]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.289291][  T287]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.289434][  T287]  ? register_vlan_dev (net/8021q/vlan.c:196)
[   14.289573][  T287]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.289730][  T287]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.289869][  T287]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.290006][  T287]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.290140][  T287]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.290285][  T287]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.290430][  T287]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.290568][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.290704][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.290846][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.290982][  T287]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.291118][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.291262][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.291400][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.291540][  T287]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.291677][  T287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.291818][  T287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.291952][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.292092][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.292228][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.292362][  T287]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.292504][  T287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.292641][  T287]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.292792][  T287]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.292928][  T287]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.293064][  T287]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.293204][  T287]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.293345][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.293485][  T287]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.293623][  T287]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.293764][  T287]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.293900][  T287]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.294036][  T287]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.294174][  T287]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.294347][  T287]  ? move_addr_to_kernel (net/socket.c:258)
[   14.294491][  T287]  ___sys_sendmsg (net/socket.c:2752)
[   14.294626][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.294765][  T287]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.294909][  T287]  ? 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))
[   14.295047][  T287]  __sys_sendmsg (net/socket.c:2784)
[   14.295185][  T287]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.295328][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.295470][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.295608][  T287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.295748][  T287]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.295883][  T287]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.296019][  T287]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.296188][  T287] RIP: 0033:0x7fddd002308e
[   14.296334][  T287] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.296836][  T287] RSP: 002b:00007ffe9a827f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.297044][  T287] RAX: ffffffffffffffda RBX: 00007ffe9a8286d8 RCX: 00007fddd002308e
[   14.297253][  T287] RDX: 0000000000000000 RSI: 00007ffe9a827fc0 RDI: 0000000000000005
[   14.297465][  T287] RBP: 00007ffe9a827f20 R08: 0000000000000000 R09: 0000000000000000
[   14.297668][  T287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.297884][  T287] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9a828690
| [   14.361681][  T289] ------------[ cut here ]------------
| [   14.361875][  T289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/289
| [   14.362143][  T289] Modules linked in: vxlan
| [   14.362585][  T289] Tainted: [W]=WARN
[   14.362692][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.362876][  T289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.363057][  T289] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.363563][  T289] RSP: 0018:ffa0000000657090 EFLAGS: 00010286
[   14.363746][  T289] RAX: 00000000ffffffa6 RBX: ff1100000b78b380 RCX: 1ff40000000cadd8
[   14.363955][  T289] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b78b43c
[   14.364169][  T289] RBP: ff1100000e9d2000 R08: 1fe22000016f1689 R09: ff1100001033d180
[   14.364383][  T289] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.364593][  T289] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   14.364809][  T289] FS:  00007f289f74f840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   14.365055][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.365233][  T289] CR2: 00007f289f948460 CR3: 000000001340e005 CR4: 0000000000771ef0
[   14.365448][  T289] PKRU: 55555554
[   14.365553][  T289] Call Trace:
[   14.365656][  T289]  <TASK>
[   14.365732][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.365873][  T289]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.366014][  T289]  notifier_call_chain (kernel/notifier.c:85)
[   14.366156][  T289]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   14.366298][  T289]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.366445][  T289]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   14.366588][  T289]  netdev_upper_dev_link (net/core/dev.c:8972)
[   14.366731][  T289]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   14.366872][  T289]  register_vlan_dev (net/8021q/vlan.c:183)
[   14.367012][  T289]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   14.367151][  T289]  vlan_newlink (net/8021q/vlan_netlink.c:194)
[   14.367295][  T289]  ? nla_strscpy (lib/nlattr.c:795)
[   14.367440][  T289]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.367581][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.367726][  T289]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.367864][  T289]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.368007][  T289]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.368151][  T289]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.368298][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.368442][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.368582][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.368727][  T289]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.368866][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.369008][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.369147][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.369291][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.369437][  T289]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.369577][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.369724][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.369866][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.370003][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.370144][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.370290][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.370434][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.370579][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.370724][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.370864][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.371004][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.371146][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.371292][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.371437][  T289]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.371580][  T289]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.371726][  T289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.371866][  T289]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.372004][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.372177][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   14.372328][  T289]  ___sys_sendmsg (net/socket.c:2752)
[   14.372488][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.372629][  T289]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.372850][  T289]  ? 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))
[   14.372994][  T289]  __sys_sendmsg (net/socket.c:2784)
[   14.373133][  T289]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.373282][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.373426][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.373566][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.373705][  T289]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.373918][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.374058][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.374233][  T289] RIP: 0033:0x7f289f98908e
[   14.374379][  T289] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.374959][  T289] RSP: 002b:00007ffc653712b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.375170][  T289] RAX: ffffffffffffffda RBX: 00007ffc65371a78 RCX: 00007f289f98908e
[   14.375383][  T289] RDX: 0000000000000000 RSI: 00007ffc65371360 RDI: 0000000000000005
[   14.375597][  T289] RBP: 00007ffc653712c0 R08: 0000000000000000 R09: 0000000000000000
[   14.375971][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.376182][  T289] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc65371a30
| [   14.378097][  T289] ------------[ cut here ]------------
| [   14.378240][  T289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/289
| [   14.378493][  T289] Modules linked in: vxlan
| [   14.378928][  T289] Tainted: [W]=WARN
[   14.379031][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.379204][  T289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.379385][  T289] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.379882][  T289] RSP: 0018:ffa00000006571b0 EFLAGS: 00010286
[   14.380054][  T289] RAX: 00000000ffffffa6 RBX: ff1100000bb4de00 RCX: 1ff40000000cadfc
[   14.380264][  T289] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb4debc
[   14.380472][  T289] RBP: ff11000010189000 R08: 1fe2200001769bd9 R09: ff1100001033d180
[   14.380674][  T289] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.380884][  T289] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8696b3a0
[   14.381089][  T289] FS:  00007f289f74f840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   14.381330][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.381508][  T289] CR2: 00007f289f948460 CR3: 000000001340e005 CR4: 0000000000771ef0
[   14.381720][  T289] PKRU: 55555554
[   14.381823][  T289] Call Trace:
[   14.381927][  T289]  <TASK>
[   14.381996][  T289]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.382135][  T289]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.382244][  T289]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.382382][  T289]  __dev_notify_flags (net/core/dev.c:9787)
[   14.382527][  T289]  ? netif_change_name (net/core/dev.c:1495)
[   14.382664][  T289]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.382809][  T289]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.382945][  T289]  ? register_vlan_dev (net/8021q/vlan.c:196)
[   14.383084][  T289]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.383228][  T289]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.383366][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.383508][  T289]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.383644][  T289]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.383793][  T289]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.383935][  T289]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.384074][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.384213][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.384355][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.384497][  T289]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.384632][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.384780][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.384918][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.385055][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.385191][  T289]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.385329][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.385488][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.385627][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.385768][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.385907][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.386045][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.386182][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.386326][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.386467][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.386607][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.386751][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.386888][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.387027][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.387165][  T289]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.387309][  T289]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.387451][  T289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.387589][  T289]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.387730][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.387899][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   14.388040][  T289]  ___sys_sendmsg (net/socket.c:2752)
[   14.388177][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.388320][  T289]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.388471][  T289]  ? 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))
[   14.388614][  T289]  __sys_sendmsg (net/socket.c:2784)
[   14.388758][  T289]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.388900][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.389037][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.389175][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.389316][  T289]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.389457][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.389594][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.389769][  T289] RIP: 0033:0x7f289f98908e
[   14.389912][  T289] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.390401][  T289] RSP: 002b:00007ffc653712b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.390614][  T289] RAX: ffffffffffffffda RBX: 00007ffc65371a78 RCX: 00007f289f98908e
[   14.390828][  T289] RDX: 0000000000000000 RSI: 00007ffc65371360 RDI: 0000000000000005
[   14.391031][  T289] RBP: 00007ffc653712c0 R08: 0000000000000000 R09: 0000000000000000
[   14.391240][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.391451][  T289] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc65371a30
| [   14.450251][  T291] ------------[ cut here ]------------
| [   14.450423][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/291
| [   14.450662][  T291] Modules linked in: vxlan
| [   14.451077][  T291] Tainted: [W]=WARN
[   14.451179][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.451349][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.451528][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.452011][  T291] RSP: 0018:ffa00000006a7020 EFLAGS: 00010286
[   14.452180][  T291] RAX: 00000000ffffffa6 RBX: ff1100000ea35000 RCX: 1ff40000000d4dca
[   14.452381][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ea350bc
[   14.452584][  T291] RBP: ff1100000e9fc000 R08: 1fe2200001d46a19 R09: ff11000010338b58
[   14.452786][  T291] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.452983][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.453182][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.453425][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.453591][  T291] CR2: 00000000004ed340 CR3: 00000000100f6002 CR4: 0000000000771ef0
[   14.453794][  T291] PKRU: 55555554
[   14.453894][  T291] Call Trace:
[   14.453994][  T291]  <TASK>
[   14.454063][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.454197][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.454305][  T291]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.454442][  T291]  __dev_notify_flags (net/core/dev.c:9787)
[   14.454578][  T291]  ? netif_change_name (net/core/dev.c:1495)
[   14.454710][  T291]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.454847][  T291]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.454981][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.455112][  T291]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.455252][  T291]  netif_change_flags (net/core/dev.c:9820)
[   14.455385][  T291]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.455523][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.455658][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.455795][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.455960][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.456097][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.456231][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.456363][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.456502][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.456636][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.456775][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.456907][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.457060][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.457194][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.457328][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.457465][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.457598][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.457736][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.457868][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.458019][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.458155][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.458291][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.458431][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.458568][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.458704][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.458842][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.458974][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.459122][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.459260][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.459395][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.459532][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.459668][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.459809][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.459956][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.460089][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.460226][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.460357][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.460494][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.460629][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.460763][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.460896][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.461028][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.461162][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.461303][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.461506][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.461640][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.461778][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.461909][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.462045][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.462178][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.462316][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.462454][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.462587][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.462725][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.462888][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.463021][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.463163][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.463303][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.463441][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.463608][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.463751][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.463889][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.464021][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.464157][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.464292][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.464438][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.464571][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.464705][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.464843][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.465007][  T291] RIP: 0033:0x7f04b5c9308e
[   14.465146][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.465628][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.465830][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.466028][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.466228][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.466430][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.466629][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.469471][  T291] ------------[ cut here ]------------
| [   14.469611][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/291
| [   14.470364][  T291] Modules linked in: vxlan
| [   14.470807][  T291] Tainted: [W]=WARN
[   14.470909][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.471078][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.471259][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.471753][  T291] RSP: 0018:ffa00000006a6ee0 EFLAGS: 00010286
[   14.471923][  T291] RAX: 00000000ffffffa6 RBX: ff1100000ea35380 RCX: 1ff40000000d4da2
[   14.472123][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ea3543c
[   14.472328][  T291] RBP: ff1100000e9fc000 R08: 1fe2200001d46a89 R09: ff11000010338b58
[   14.472625][  T291] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.472844][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   14.473046][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.473288][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.473463][  T291] CR2: 00000000004ed340 CR3: 00000000100f6002 CR4: 0000000000771ef0
[   14.473665][  T291] PKRU: 55555554
[   14.473771][  T291] Call Trace:
[   14.473871][  T291]  <TASK>
[   14.473942][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.474077][  T291]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.474218][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.474357][  T291]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   14.474517][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.474659][  T291]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.474799][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.474939][  T291]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   14.475075][  T291]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   14.475252][  T291]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   14.475387][  T291]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   14.475527][  T291]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   14.475664][  T291]  br_add_if (net/bridge/br_if.c:619)
[   14.475776][  T291]  do_set_master (net/core/rtnetlink.c:3011)
[   14.475912][  T291]  ? netif_change_flags (net/core/dev.c:9820)
[   14.476050][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.476188][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.476326][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.476499][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.476633][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.476772][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.476908][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.477044][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.477180][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.477321][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.477461][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.477596][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.477752][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.477888][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.478022][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.478159][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.478297][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.478436][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.478572][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.478719][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.478854][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.478993][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.479132][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.479275][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.479414][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.479552][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.479685][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.479824][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.479961][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.480094][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.480256][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.480397][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.480541][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.480676][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.480822][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.480955][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.481089][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.481230][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.481368][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.481515][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.481651][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.481885][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.482023][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.482158][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.482297][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.482530][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.482665][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.482806][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.482941][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.483168][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.483307][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.483452][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.483591][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.483854][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.483990][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.484124][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.484352][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.484493][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.484660][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.484806][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.485038][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.485173][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.485315][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.485463][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.485693][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.485830][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.485964][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.486100][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.486362][  T291] RIP: 0033:0x7f04b5c9308e
[   14.486508][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.487091][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.487298][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.487596][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.487802][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.488002][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.488300][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.490189][  T291] ------------[ cut here ]------------
| [   14.490331][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/291
| [   14.490578][  T291] Modules linked in: vxlan
| [   14.491106][  T291] Tainted: [W]=WARN
[   14.491216][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.491502][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.491685][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.492297][  T291] RSP: 0018:ffa00000006a6ea0 EFLAGS: 00010286
[   14.492479][  T291] RAX: 00000000ffffffa6 RBX: ff1100000ea35540 RCX: 1ff40000000d4d9a
[   14.492797][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ea355fc
[   14.493007][  T291] RBP: ff1100000e9fc000 R08: 1fe2200001d46ac1 R09: ff11000010338b58
[   14.493221][  T291] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   14.493533][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ee5d808
[   14.493759][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.494132][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.494314][  T291] CR2: 00000000004ed340 CR3: 00000000100f6002 CR4: 0000000000771ef0
[   14.494532][  T291] PKRU: 55555554
[   14.494637][  T291] Call Trace:
[   14.494845][  T291]  <TASK>
[   14.494918][  T291]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   14.495064][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.495209][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.495321][  T291]  __dev_notify_flags (net/core/dev.c:9787)
[   14.495590][  T291]  ? netdev_notice (net/core/dev.c:13008)
[   14.495740][  T291]  ? netif_change_name (net/core/dev.c:1495)
[   14.495880][  T291]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   14.496057][  T291]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.496301][  T291]  __dev_set_promiscuity (net/core/dev.c:9630)
[   14.496449][  T291]  netif_set_promiscuity (net/core/dev.c:9639)
[   14.496592][  T291]  dev_set_promiscuity (net/core/dev_api.c:288)
[   14.496741][  T291]  br_port_set_promisc (net/bridge/br_if.c:108)
[   14.496882][  T291]  br_manage_promisc (net/bridge/br_if.c:174)
[   14.497021][  T291]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   14.497164][  T291]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   14.497281][  T291]  do_set_master (net/core/rtnetlink.c:3011)
[   14.497525][  T291]  ? netif_change_flags (net/core/dev.c:9820)
[   14.497667][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.497814][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.497956][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.498230][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.498372][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.498520][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.498660][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.498903][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.499044][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.499186][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.499330][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.499576][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.499722][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.499862][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.500003][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.500244][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.500385][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.500537][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.500679][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.500924][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.501064][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.501207][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.501356][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.501604][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.501749][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.501889][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.502030][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.502271][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.502419][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.502577][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.502724][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.502865][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.503006][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.503147][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.503293][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.503536][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.503676][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.503824][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.503964][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.504204][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.504348][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.504493][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.504638][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.504881][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.505023][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.505172][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.505318][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.505564][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.505706][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.505854][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.505997][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.506239][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.506381][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.506561][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.506804][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.506946][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.507089][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.507230][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.507509][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.507655][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.507806][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.507947][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.508190][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.508334][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.508480][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.508621][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.508765][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.508932][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.509108][  T291] RIP: 0033:0x7f04b5c9308e
[   14.509258][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.509881][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.510191][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.510407][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.510623][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.510934][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.511144][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.513702][  T291] ------------[ cut here ]------------
| [   14.513932][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/291
| [   14.514159][  T291] Modules linked in: vxlan
| [   14.514665][  T291] Tainted: [W]=WARN
[   14.515273][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.515444][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.515617][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.516197][  T291] RSP: 0018:ffa00000006a7000 EFLAGS: 00010286
[   14.516371][  T291] RAX: 00000000ffffffa6 RBX: ff1100000b404c80 RCX: 1ff40000000d4dc6
[   14.516576][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b404d3c
[   14.516833][  T291] RBP: ff1100000e9d2000 R08: 1fe22000016809a9 R09: ff11000010338b58
[   14.517029][  T291] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.517241][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   14.517502][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.517791][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.517957][  T291] CR2: 00000000004ed340 CR3: 00000000100f6002 CR4: 0000000000771ef0
[   14.518157][  T291] PKRU: 55555554
[   14.518259][  T291] Call Trace:
[   14.518357][  T291]  <TASK>
[   14.518431][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.518652][  T291]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.518843][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.518978][  T291]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   14.519111][  T291]  ? __dev_open (./include/net/netdev_lock.h:33)
[   14.519249][  T291]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   14.519381][  T291]  br_add_if (net/bridge/br_if.c:679)
[   14.519578][  T291]  do_set_master (net/core/rtnetlink.c:3011)
[   14.519711][  T291]  ? netif_change_flags (net/core/dev.c:9820)
[   14.519905][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.520040][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.520173][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.520342][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.520479][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.520699][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.520893][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.521026][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.521159][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.521297][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.521435][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.521657][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.521845][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.521979][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.522111][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.522248][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.522381][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.522522][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.522800][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.522936][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.523069][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.523204][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.523345][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.523485][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.523705][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.523898][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.524033][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.524165][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.524309][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.524454][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.524592][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.524870][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.525005][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.525138][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.525276][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.525416][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.525557][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.525835][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.525967][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.526101][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.526238][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.526373][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.526518][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.526650][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.526929][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.527063][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.527196][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.527338][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.527477][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.527614][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.527893][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.528025][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.528159][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.528326][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.528466][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.528599][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.528791][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.528923][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.529089][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.529232][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.529371][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.529509][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.529655][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.529935][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.530070][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.530202][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.530340][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.530478][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.530645][  T291] RIP: 0033:0x7f04b5c9308e
[   14.530938][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.531425][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.531626][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.531881][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.532080][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.532283][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.532487][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.543320][  T291] ------------[ cut here ]------------
| [   14.543521][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/291
| [   14.543849][  T291] Modules linked in: vxlan
| [   14.544386][  T291] Tainted: [W]=WARN
[   14.544553][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.544792][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.545024][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.545590][  T291] RSP: 0018:ffa00000006a6e00 EFLAGS: 00010286
[   14.545831][  T291] RAX: 00000000ffffffa6 RBX: ff1100000f8b4200 RCX: 1ff40000000d4d86
[   14.546089][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b42bc
[   14.546358][  T291] RBP: ff110000059c4000 R08: 1fe2200001f16859 R09: ff11000010338b58
[   14.546626][  T291] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.546900][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   14.547162][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   14.547508][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.547757][  T291] CR2: 000055b4235b8d5c CR3: 00000000100f6005 CR4: 0000000000771ef0
[   14.548019][  T291] PKRU: 55555554
[   14.548174][  T291] Call Trace:
[   14.548340][  T291]  <TASK>
[   14.548470][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.548664][  T291]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.548871][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.549065][  T291]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   14.549264][  T291]  ? __dev_open (./include/net/netdev_lock.h:33)
[   14.549465][  T291]  vlan_dev_inherit_address (net/8021q/vlan_dev.c:259 net/8021q/vlan_dev.c:252)
[   14.549661][  T291]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   14.549864][  T291]  vlan_device_event (net/8021q/vlan.c:300 net/8021q/vlan.c:441)
[   14.550059][  T291]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[   14.550258][  T291]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.550455][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.550649][  T291]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.550858][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.551055][  T291]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   14.551280][  T291]  ? __dev_open (./include/net/netdev_lock.h:33)
[   14.551482][  T291]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   14.551675][  T291]  br_add_if (net/bridge/br_if.c:679)
[   14.551849][  T291]  do_set_master (net/core/rtnetlink.c:3011)
[   14.552040][  T291]  ? netif_change_flags (net/core/dev.c:9820)
[   14.552236][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.552444][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.552636][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.552873][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.553064][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.553263][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.553464][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.553657][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.553865][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.554058][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.554256][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.554458][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.554651][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.554855][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.555046][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.555241][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.555446][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.555637][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.555842][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.556036][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.556228][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.556434][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.556630][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.556840][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.557030][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.557223][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.557430][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.557623][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.557832][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.558021][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.558215][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.558426][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.558620][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.558858][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.559050][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.559242][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.559441][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.559636][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.559841][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.560037][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.560230][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.560435][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.560632][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.560834][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.561028][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.561225][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.561449][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.561644][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.561851][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.562044][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.562241][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.562443][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.562635][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.562874][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.563069][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.563269][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.563472][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.563663][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.563902][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.564098][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.564312][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.564517][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.564729][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.564921][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.565117][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.565320][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.565521][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.565730][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.565961][  T291] RIP: 0033:0x7f04b5c9308e
[   14.566158][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.566766][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.567030][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.567310][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.567581][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.567857][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.568117][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.570382][  T291] ------------[ cut here ]------------
| [   14.570573][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/291
| [   14.570890][  T291] Modules linked in: vxlan
| [   14.571439][  T291] Tainted: [W]=WARN
[   14.571597][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.571840][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.572079][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.572647][  T291] RSP: 0018:ffa00000006a6e00 EFLAGS: 00010286
[   14.572895][  T291] RAX: 00000000ffffffa6 RBX: ff1100000f8b4900 RCX: 1ff40000000d4d86
[   14.573157][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b49bc
[   14.573440][  T291] RBP: ff11000010189000 R08: 1fe2200001f16939 R09: ff11000010338b58
[   14.573703][  T291] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.573977][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   14.574242][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   14.574555][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.574798][  T291] CR2: 000055b4235b8d5c CR3: 00000000100f6005 CR4: 0000000000771ef0
[   14.575059][  T291] PKRU: 55555554
[   14.575216][  T291] Call Trace:
[   14.575381][  T291]  <TASK>
[   14.575513][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.575705][  T291]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.575917][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.576113][  T291]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   14.576316][  T291]  ? __dev_open (./include/net/netdev_lock.h:33)
[   14.576518][  T291]  vlan_dev_inherit_address (net/8021q/vlan_dev.c:259 net/8021q/vlan_dev.c:252)
[   14.576710][  T291]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   14.576913][  T291]  vlan_device_event (net/8021q/vlan.c:300 net/8021q/vlan.c:441)
[   14.577108][  T291]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[   14.577314][  T291]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.577511][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.577704][  T291]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.577914][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.578108][  T291]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   14.578311][  T291]  ? __dev_open (./include/net/netdev_lock.h:33)
[   14.578513][  T291]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   14.578709][  T291]  br_add_if (net/bridge/br_if.c:679)
[   14.578886][  T291]  do_set_master (net/core/rtnetlink.c:3011)
[   14.579078][  T291]  ? netif_change_flags (net/core/dev.c:9820)
[   14.579283][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.579489][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.579684][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.579925][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.580120][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.580323][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.580527][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.580734][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.580927][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.581121][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.581324][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.581529][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.581739][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.581951][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.582145][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.582350][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.582552][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.582756][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.582948][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.583146][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.583348][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.583551][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.583765][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.583961][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.584152][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.584355][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.584554][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.584766][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.584961][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.585151][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.585353][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.585553][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.585760][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.585951][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.586147][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.586348][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.586549][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.586759][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.586950][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.587144][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.587346][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.587564][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.587775][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.587967][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.588163][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.588370][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.588570][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.588776][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.588971][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.589168][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.589375][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.589578][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.589786][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.590012][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.590207][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.590418][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.590616][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.590821][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.591049][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.591250][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.591458][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.591652][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.591910][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.592103][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.592323][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.592524][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.592731][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.592924][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.593149][  T291] RIP: 0033:0x7f04b5c9308e
[   14.593356][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.593941][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.594205][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.594483][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.594771][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.595033][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.595322][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.597729][  T291] ------------[ cut here ]------------
| [   14.597907][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/291
| [   14.598185][  T291] Modules linked in: vxlan
| [   14.598739][  T291] Tainted: [W]=WARN
[   14.598890][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.599107][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.599342][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.599916][  T291] RSP: 0018:ffa00000006a6f78 EFLAGS: 00010286
[   14.600136][  T291] RAX: 00000000ffffffa6 RBX: ff1100000f8b5380 RCX: 1ff40000000d4db5
[   14.600399][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b543c
[   14.600658][  T291] RBP: ff1100000e9d2000 R08: 1fe2200001f16a89 R09: ff11000010338b58
[   14.600935][  T291] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.601185][  T291] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   14.601454][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   14.601754][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.601973][  T291] CR2: 000055b4235b8d5c CR3: 00000000100f6005 CR4: 0000000000771ef0
[   14.602242][  T291] PKRU: 55555554
[   14.602397][  T291] Call Trace:
[   14.602557][  T291]  <TASK>
[   14.602679][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.602876][  T291]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.603065][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.603258][  T291]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   14.603495][  T291]  ? netdev_change_features (net/core/dev.c:11117)
[   14.603703][  T291]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   14.603906][  T291]  br_add_if (net/bridge/br_if.c:683)
[   14.604064][  T291]  do_set_master (net/core/rtnetlink.c:3011)
[   14.604255][  T291]  ? netif_change_flags (net/core/dev.c:9820)
[   14.604454][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.604644][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.604843][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.605076][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.605270][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.605464][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.605652][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.605853][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.606039][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.606231][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.606442][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.606630][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.606832][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.607049][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.607240][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.607437][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.607626][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.607846][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.608035][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.608225][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.608425][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.608615][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.608819][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.609006][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.609190][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.609399][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.609595][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.609793][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.609981][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.610165][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.610362][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.610557][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.610773][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.610960][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.611145][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.611340][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.611535][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.611735][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.611918][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.612109][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.612317][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.612512][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.612700][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.612898][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.613086][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.613287][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.613483][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.613669][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.613872][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.614059][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.614251][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.614448][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.614637][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.614866][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.615092][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.615294][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.615492][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.615682][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.615914][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.616105][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.616310][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.616506][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.616699][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.616900][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.617090][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.617284][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.617481][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.617668][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.617898][  T291] RIP: 0033:0x7f04b5c9308e
[   14.618088][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.618662][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.618933][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.619185][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.619455][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.619709][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.619976][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.622109][  T291] ------------[ cut here ]------------
| [   14.622313][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/291
| [   14.622613][  T291] Modules linked in: vxlan
| [   14.623155][  T291] Tainted: [W]=WARN
[   14.623321][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.623552][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.623798][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.624352][  T291] RSP: 0018:ffa00000006a6d88 EFLAGS: 00010286
[   14.624585][  T291] RAX: 00000000ffffffa6 RBX: ff1100000f8b5700 RCX: 1ff40000000d4d77
[   14.624856][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b57bc
[   14.625116][  T291] RBP: ff110000059c4000 R08: 1fe2200001f16af9 R09: ff11000010338b58
[   14.625386][  T291] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.625650][  T291] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   14.625922][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   14.626216][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.626459][  T291] CR2: 000055b4235b8d5c CR3: 00000000100f6005 CR4: 0000000000771ef0
[   14.626732][  T291] PKRU: 55555554
[   14.626887][  T291] Call Trace:
[   14.627042][  T291]  <TASK>
[   14.627164][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.627367][  T291]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.627592][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.627800][  T291]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   14.627994][  T291]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   14.628217][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.628438][  T291]  vlan_device_event (net/8021q/vlan.c:339 net/8021q/vlan.c:457)
[   14.628633][  T291]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[   14.628840][  T291]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.629033][  T291]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.629234][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.629440][  T291]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   14.629667][  T291]  ? netdev_change_features (net/core/dev.c:11117)
[   14.629872][  T291]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   14.630064][  T291]  br_add_if (net/bridge/br_if.c:683)
[   14.630233][  T291]  do_set_master (net/core/rtnetlink.c:3011)
[   14.630437][  T291]  ? netif_change_flags (net/core/dev.c:9820)
[   14.630635][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.630842][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.631033][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.631264][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.631466][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.631661][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.631866][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.632059][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.632257][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.632469][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.632666][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.632879][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.633070][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.633266][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.633470][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.633663][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.633868][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.634061][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.634261][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.634461][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.634651][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.634860][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.635060][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.635266][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.635489][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.635681][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.635882][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.636071][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.636273][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.636506][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.636698][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.636905][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.637097][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.637302][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.637537][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.637742][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.637937][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.638134][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.638337][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.638539][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.638742][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.638933][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.639133][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.639334][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.639536][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.639745][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.639936][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.640129][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.640334][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.640537][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.640841][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.641033][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.641230][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.641465][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.641767][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.641962][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.642153][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.642353][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.642684][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.642897][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.643094][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.643394][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.643599][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.643805][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.643996][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.644292][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.644491][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.644686][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.644927][  T291] RIP: 0033:0x7f04b5c9308e
[   14.645224][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.645921][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.646186][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.646457][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.646827][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.647083][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.647355][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.649848][  T291] ------------[ cut here ]------------
| [   14.650121][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/291
| [   14.650429][  T291] Modules linked in: vxlan
| [   14.651060][  T291] Tainted: [W]=WARN
[   14.651216][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.651458][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.651806][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.652456][  T291] RSP: 0018:ffa00000006a6d88 EFLAGS: 00010286
[   14.652684][  T291] RAX: 00000000ffffffa6 RBX: ff1100000f8b5c40 RCX: 1ff40000000d4d77
[   14.652955][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b5cfc
[   14.653316][  T291] RBP: ff11000010189000 R08: 1fe2200001f16ba1 R09: ff11000010338b58
[   14.653579][  T291] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.653848][  T291] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   14.654208][  T291] FS:  00007f04b5a59840(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[   14.654519][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.654852][  T291] CR2: 000055b4235b8d5c CR3: 00000000100f6005 CR4: 0000000000771ef0
[   14.655111][  T291] PKRU: 55555554
[   14.655279][  T291] Call Trace:
[   14.655440][  T291]  <TASK>
[   14.655563][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.655864][  T291]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.656059][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.656255][  T291]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   14.656456][  T291]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   14.656789][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.656981][  T291]  vlan_device_event (net/8021q/vlan.c:339 net/8021q/vlan.c:457)
[   14.657173][  T291]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[   14.657378][  T291]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.657669][  T291]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.657876][  T291]  notifier_call_chain (kernel/notifier.c:85)
[   14.658069][  T291]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   14.658401][  T291]  ? netdev_change_features (net/core/dev.c:11117)
[   14.658601][  T291]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   14.658806][  T291]  br_add_if (net/bridge/br_if.c:683)
[   14.658971][  T291]  do_set_master (net/core/rtnetlink.c:3011)
[   14.659160][  T291]  ? netif_change_flags (net/core/dev.c:9820)
[   14.659464][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.659660][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.659865][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.660181][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.660379][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.660582][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.660785][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.661068][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   14.661272][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.661474][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.661663][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.661962][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.662156][  T291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.662355][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.662557][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.662856][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.663048][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.663237][  T291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.663438][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.663738][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.663930][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.664149][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.664353][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.664647][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.664849][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.665039][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.665230][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.665537][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.665745][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.665932][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.666122][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.666423][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.666617][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.666822][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.667016][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.667316][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.667516][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.667707][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.667909][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.668194][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.668395][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.668595][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.668804][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.669087][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.669289][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.669491][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.669684][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.669985][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.670177][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.670379][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.670582][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.670787][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.670976][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.671200][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   14.671401][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.671694][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.671899][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   14.672092][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.672328][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.672627][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.672838][  T291]  __sys_sendmsg (net/socket.c:2784)
[   14.673028][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.673224][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.673523][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.673733][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.673922][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.674114][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.674418][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.674642][  T291] RIP: 0033:0x7f04b5c9308e
[   14.674854][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.675517][  T291] RSP: 002b:00007ffd8ac556b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.675884][  T291] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04b5c9308e
[   14.676140][  T291] RDX: 0000000000000000 RSI: 00007ffd8ac55760 RDI: 0000000000000005
[   14.676414][  T291] RBP: 00007ffd8ac556c0 R08: 0000000000000000 R09: 0000000000000000
[   14.676816][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.677072][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8ac55e30
| [   14.679586][  T104] ------------[ cut here ]------------
| [   14.679730][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/104
| [   14.679969][  T104] Modules linked in: vxlan
| [   14.680393][  T104] Tainted: [W]=WARN
[   14.680492][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.680645][  T104] Workqueue: events_unbound linkwatch_event
[   14.680814][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.680971][  T104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.681415][  T104] RSP: 0018:ffa00000006679e0 EFLAGS: 00010286
[   14.681569][  T104] RAX: 00000000ffffffa6 RBX: ff1100000274dc40 RCX: 1ff40000000ccf02
[   14.681769][  T104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000274dcfc
[   14.681950][  T104] RBP: ff110000059c4000 R08: 1fe22000004e9ba1 R09: ff1100000fd50ba8
[   14.682131][  T104] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.682314][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.682504][  T104] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   14.682723][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.682876][  T104] CR2: 00007f289f948460 CR3: 000000004af4d006 CR4: 0000000000771ef0
[   14.683058][  T104] PKRU: 55555554
[   14.683149][  T104] Call Trace:
[   14.683330][  T104]  <TASK>
[   14.683394][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.683546][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.683670][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.683771][  T104]  netif_state_change (net/core/dev.c:1605)
[   14.683976][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.684132][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.684256][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.684379][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.684512][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.684632][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.684759][  T104]  process_one_work (kernel/workqueue.c:3314)
[   14.684892][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.685013][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.685139][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.685268][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.685389][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.685518][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.685642][  T104]  kthread (kernel/kthread.c:436)
[   14.685740][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.685892][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.686014][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.686137][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.686292][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.686418][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.686541][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.688151][  T104] ------------[ cut here ]------------
| [   14.688278][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/104
| [   14.688526][  T104] Modules linked in: vxlan
| [   14.688937][  T104] Tainted: [W]=WARN
[   14.689030][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.689181][  T104] Workqueue: events_unbound linkwatch_event
[   14.689343][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.689508][  T104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.690031][  T104] RSP: 0018:ffa00000006679e0 EFLAGS: 00010286
[   14.690195][  T104] RAX: 00000000ffffffa6 RBX: ff1100000b78b000 RCX: 1ff40000000ccf02
[   14.690408][  T104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b78b0bc
[   14.690598][  T104] RBP: ff11000010189000 R08: 1fe22000016f1619 R09: ff1100000fd50ba8
[   14.690797][  T104] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.690979][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.691162][  T104] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   14.691463][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.691615][  T104] CR2: 00007f289f948460 CR3: 000000004af4d006 CR4: 0000000000771ef0
[   14.691803][  T104] PKRU: 55555554
[   14.691894][  T104] Call Trace:
[   14.691984][  T104]  <TASK>
[   14.692053][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.692177][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.692304][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.692399][  T104]  netif_state_change (net/core/dev.c:1605)
[   14.692525][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.692677][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.692804][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.693002][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.693128][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.693255][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.693377][  T104]  process_one_work (kernel/workqueue.c:3314)
[   14.693509][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.693630][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.693763][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.693886][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.694082][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.694208][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.694335][  T104]  kthread (kernel/kthread.c:436)
[   14.694433][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.694586][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.694707][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.694835][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.694988][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.695112][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.695254][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.697700][  T104] ------------[ cut here ]------------
| [   14.697831][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/104
| [   14.698068][  T104] Modules linked in: vxlan
| [   14.698508][  T104] Tainted: [W]=WARN
[   14.698599][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.698758][  T104] Workqueue: events_unbound linkwatch_event
[   14.698913][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.699069][  T104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.699514][  T104] RSP: 0018:ffa00000006679e0 EFLAGS: 00010286
[   14.699669][  T104] RAX: 00000000ffffffa6 RBX: ff1100000b78a3c0 RCX: 1ff40000000ccf02
[   14.699857][  T104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b78a47c
[   14.700035][  T104] RBP: ff1100000e9fc000 R08: 1fe22000016f1491 R09: ff1100000fd50ba8
[   14.700223][  T104] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.700411][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.700600][  T104] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.700818][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.700969][  T104] CR2: 00000000004ed340 CR3: 000000004af4d003 CR4: 0000000000771ef0
[   14.701152][  T104] PKRU: 55555554
[   14.701247][  T104] Call Trace:
[   14.701336][  T104]  <TASK>
[   14.701399][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.701525][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.701648][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.701756][  T104]  netif_state_change (net/core/dev.c:1605)
[   14.701884][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.702036][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.702159][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.702284][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.702413][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.702535][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.702658][  T104]  process_one_work (kernel/workqueue.c:3314)
[   14.702791][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.702912][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.703045][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.703177][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.703303][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.703441][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.703563][  T104]  kthread (kernel/kthread.c:436)
[   14.703655][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.703810][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.703933][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.704054][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.704207][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.704333][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.704466][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.706380][  T104] ------------[ cut here ]------------
| [   14.706507][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/104
| [   14.706753][  T104] Modules linked in: vxlan
| [   14.707154][  T104] Tainted: [W]=WARN
[   14.707252][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.707409][  T104] Workqueue: events_unbound linkwatch_event
[   14.707572][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.707735][  T104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.708166][  T104] RSP: 0018:ffa00000006679e0 EFLAGS: 00010286
[   14.708325][  T104] RAX: 00000000ffffffa6 RBX: ff1100000b4043c0 RCX: 1ff40000000ccf02
[   14.708518][  T104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b40447c
[   14.708701][  T104] RBP: ff1100000e9f9000 R08: 1fe2200001680891 R09: ff1100000fd50ba8
[   14.708888][  T104] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.709069][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.709256][  T104] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.709477][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.709631][  T104] CR2: 00000000004ed340 CR3: 000000004af4d003 CR4: 0000000000771ef0
[   14.709818][  T104] PKRU: 55555554
[   14.709908][  T104] Call Trace:
[   14.710003][  T104]  <TASK>
[   14.710066][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.710189][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.710319][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.710417][  T104]  netif_state_change (net/core/dev.c:1605)
[   14.710541][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.710694][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.710818][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.710940][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.711065][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.711187][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.711313][  T104]  process_one_work (kernel/workqueue.c:3314)
[   14.711443][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.711567][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.711698][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.711825][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.711946][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.712070][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.712192][  T104]  kthread (kernel/kthread.c:436)
[   14.712284][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.712442][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.712566][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.712688][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.712845][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.712970][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.713091][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.714763][  T104] ------------[ cut here ]------------
| [   14.714887][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/104
| [   14.715122][  T104] Modules linked in: vxlan
| [   14.715531][  T104] Tainted: [W]=WARN
[   14.715622][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.715780][  T104] Workqueue: events_unbound linkwatch_event
[   14.715951][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.716109][  T104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.716552][  T104] RSP: 0018:ffa00000006679e0 EFLAGS: 00010286
[   14.716708][  T104] RAX: 00000000ffffffa6 RBX: ff1100000b404200 RCX: 1ff40000000ccf02
[   14.716909][  T104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4042bc
[   14.717091][  T104] RBP: ff11000005139000 R08: 1fe2200001680859 R09: ff1100000fd50ba8
[   14.717280][  T104] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.717469][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.717678][  T104] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.717899][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.718053][  T104] CR2: 00000000004ed340 CR3: 000000004af4d003 CR4: 0000000000771ef0
[   14.718245][  T104] PKRU: 55555554
[   14.718338][  T104] Call Trace:
[   14.718439][  T104]  <TASK>
[   14.718506][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.718629][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.718757][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.718851][  T104]  netif_state_change (net/core/dev.c:1605)
[   14.718974][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.719131][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.719266][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.719389][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.719523][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.719665][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.719795][  T104]  process_one_work (kernel/workqueue.c:3314)
[   14.719921][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.720044][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.720180][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.720308][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.720434][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.720558][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.720679][  T104]  kthread (kernel/kthread.c:436)
[   14.720775][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.720926][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.721050][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.721172][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.721328][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.721454][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.721579][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.723403][  T104] ------------[ cut here ]------------
| [   14.723540][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/104
| [   14.723826][  T104] Modules linked in: vxlan
| [   14.724234][  T104] Tainted: [W]=WARN
[   14.724327][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.724488][  T104] Workqueue: events_unbound linkwatch_event
[   14.724647][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.725011][  T104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.725525][  T104] RSP: 0018:ffa00000006679e0 EFLAGS: 00010286
[   14.725679][  T104] RAX: 00000000ffffffa6 RBX: ff1100000b4058c0 RCX: 1ff40000000ccf02
[   14.725919][  T104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b40597c
[   14.726101][  T104] RBP: ff11000010019000 R08: 1fe2200001680b31 R09: ff1100000fd50ba8
[   14.726285][  T104] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.726470][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.726655][  T104] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[   14.726921][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.727074][  T104] CR2: 00000000004ed340 CR3: 000000004af4d003 CR4: 0000000000771ef0
[   14.727258][  T104] PKRU: 55555554
[   14.727350][  T104] Call Trace:
[   14.727445][  T104]  <TASK>
[   14.727510][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.727680][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.727853][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.727947][  T104]  netif_state_change (net/core/dev.c:1605)
[   14.728076][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.728235][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.728357][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.728491][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.728617][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.728791][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.728914][  T104]  process_one_work (kernel/workqueue.c:3314)
[   14.729042][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.729200][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.729333][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.729464][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.729588][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.729760][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.729881][  T104]  kthread (kernel/kthread.c:436)
[   14.729973][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.730132][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.730261][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.730387][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.730572][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.730707][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.730878][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.797480][  T294] ------------[ cut here ]------------
| [   14.797649][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/294
| [   14.797899][  T294] Modules linked in: vxlan
| [   14.798318][  T294] Tainted: [W]=WARN
[   14.798423][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.798593][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.798793][  T294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.799281][  T294] RSP: 0018:ffa00000009f7150 EFLAGS: 00010286
[   14.799462][  T294] RAX: 00000000ffffffa6 RBX: ff1100000fe1ae40 RCX: 1ff400000013edf0
[   14.799668][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe1aefc
[   14.799889][  T294] RBP: ff1100000e9d2000 R08: 1fe2200001fc35e1 R09: ff1100000fb08b58
[   14.800092][  T294] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.800295][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b2034c0
[   14.800505][  T294] FS:  00007fb83adfc840(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[   14.800829][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.800999][  T294] CR2: 00000000004ec908 CR3: 000000000e0dd005 CR4: 0000000000771ef0
[   14.801200][  T294] PKRU: 55555554
[   14.801307][  T294] Call Trace:
[   14.801501][  T294]  <TASK>
[   14.801572][  T294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.801706][  T294]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.801903][  T294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.802010][  T294]  netif_state_change (net/core/dev.c:1605)
[   14.802145][  T294]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.802317][  T294]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   14.802490][  T294]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   14.802625][  T294]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   14.802838][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.802974][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.803109][  T294]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   14.803248][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.803381][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.803519][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.803671][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.803884][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.804018][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.804152][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.804316][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.804465][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.804602][  T294]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   14.804813][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.804995][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.805130][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.805267][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.805411][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.805547][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.805682][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.805915][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.806049][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.806187][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.806326][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.806483][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.806620][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.806775][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.806913][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.807049][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.807185][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.807350][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.807491][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.807626][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.807809][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   14.807943][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.808079][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.808252][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.808384][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.808557][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   14.808692][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.808829][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.808971][  T294]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   14.809104][  T294]  ? do_getsockname (net/socket.c:2192)
[   14.809245][  T294]  __sys_sendmsg (net/socket.c:2784)
[   14.809390][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.809541][  T294]  ? __sys_getsockname (net/socket.c:2210)
[   14.809677][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.809819][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.809954][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.810089][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.810227][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.810393][  T294] RIP: 0033:0x7fb83b03608e
[   14.810540][  T294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.811019][  T294] RSP: 002b:00007ffc68239640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.811225][  T294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb83b03608e
[   14.811431][  T294] RDX: 0000000000000000 RSI: 00007ffc682396f0 RDI: 0000000000000006
[   14.811631][  T294] RBP: 00007ffc68239650 R08: 0000000000000000 R09: 0000000000000000
[   14.811835][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.812044][  T294] R13: 00007ffc682397a0 R14: 00007ffc6823b3f8 R15: 00000000fffffff5
| [   14.818018][  T294] ------------[ cut here ]------------
| [   14.818200][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/294
| [   14.818488][  T294] Modules linked in: vxlan
| [   14.818942][  T294] Tainted: [W]=WARN
[   14.819052][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.819236][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.819530][  T294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.820082][  T294] RSP: 0018:ffa00000009f6fd0 EFLAGS: 00010286
[   14.820268][  T294] RAX: 00000000ffffffa6 RBX: ff11000005b918c0 RCX: 1ff400000013edc0
[   14.820510][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b9197c
[   14.820730][  T294] RBP: ff11000011d82000 R08: 1fe2200000b72331 R09: ff1100000fb08b80
[   14.820944][  T294] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   14.821161][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011d82e44
[   14.821382][  T294] FS:  00007fb83adfc840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   14.821637][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.821823][  T294] CR2: 0000000000437490 CR3: 000000000e0dd002 CR4: 0000000000771ef0
[   14.822038][  T294] PKRU: 55555554
[   14.822148][  T294] Call Trace:
[   14.822261][  T294]  <TASK>
[   14.822336][  T294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.822487][  T294]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   14.822636][  T294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.822750][  T294]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   14.822895][  T294]  __dev_notify_flags (net/core/dev.c:9787)
[   14.823038][  T294]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.823183][  T294]  ? netif_change_name (net/core/dev.c:1495)
[   14.823332][  T294]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   14.823487][  T294]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.823631][  T294] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   14.823786][  T294]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   14.823934][  T294] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   14.824081][  T294]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   14.824233][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.824376][  T294]  ? nla_strscpy (lib/nlattr.c:795)
[   14.824527][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.824674][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.824825][  T294]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.824971][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.825121][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.825276][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.825429][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.828294][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.828445][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.828588][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.828737][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.828886][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.829033][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.829177][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.829325][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.829474][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.829617][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.829789][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.829939][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.830082][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.830230][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.830374][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.830527][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.830671][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.830822][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.830967][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.831111][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.831258][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.831412][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.831558][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.831703][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.831851][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.831994][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.832170][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   14.832323][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   14.832529][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.832674][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.832831][  T294]  ? 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))
[   14.832976][  T294]  __sys_sendmsg (net/socket.c:2784)
[   14.833121][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.833272][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.833453][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.833601][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.833751][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.833894][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.834036][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.834217][  T294] RIP: 0033:0x7fb83b03608e
[   14.834367][  T294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.834891][  T294] RSP: 002b:00007ffc6823ac50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.835106][  T294] RAX: ffffffffffffffda RBX: 00007ffc6823b418 RCX: 00007fb83b03608e
[   14.835324][  T294] RDX: 0000000000000000 RSI: 00007ffc6823ad00 RDI: 0000000000000005
[   14.835549][  T294] RBP: 00007ffc6823ac60 R08: 0000000000000000 R09: 0000000000000000
[   14.835768][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.835984][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6823b3d0
| [   14.837933][  T294] ------------[ cut here ]------------
| [   14.838094][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/294
| [   14.838333][  T294] Modules linked in: vxlan
| [   14.838762][  T294] Tainted: [W]=WARN
[   14.838866][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.839058][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.839246][  T294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.839744][  T294] RSP: 0018:ffa00000009f71b0 EFLAGS: 00010286
[   14.839914][  T294] RAX: 00000000ffffffa6 RBX: ff11000005b91700 RCX: 1ff400000013edfc
[   14.840116][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b917bc
[   14.840324][  T294] RBP: ff11000011d82000 R08: 1fe2200000b722f9 R09: ff1100000fb08b80
[   14.840545][  T294] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   14.840756][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0354bc0
[   14.840973][  T294] FS:  00007fb83adfc840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   14.841215][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.841388][  T294] CR2: 0000000000437490 CR3: 000000000e0dd002 CR4: 0000000000771ef0
[   14.841612][  T294] PKRU: 55555554
[   14.841719][  T294] Call Trace:
[   14.841822][  T294]  <TASK>
[   14.841893][  T294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.842032][  T294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.842150][  T294]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.842292][  T294]  __dev_notify_flags (net/core/dev.c:9787)
[   14.842434][  T294]  ? netif_change_name (net/core/dev.c:1495)
[   14.842573][  T294]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.842709][  T294]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   14.842856][  T294]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.842995][  T294]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.843135][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.843280][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.843421][  T294]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.843559][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.843701][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.843846][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.844008][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.844145][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.844288][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.844430][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.844566][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.844732][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.844875][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.845011][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.845149][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.845289][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.845431][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.845570][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.845708][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.845851][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.845987][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.846122][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.846265][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.846401][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.846571][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.846709][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.846854][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.846993][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.847131][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.847274][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.847416][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.847553][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.847689][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.847886][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   14.848032][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   14.848168][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.848310][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.848461][  T294]  ? 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))
[   14.848601][  T294]  __sys_sendmsg (net/socket.c:2784)
[   14.848741][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.848883][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.849022][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.849160][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.849298][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.849439][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.849575][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.849762][  T294] RIP: 0033:0x7fb83b03608e
[   14.849903][  T294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.850422][  T294] RSP: 002b:00007ffc6823ac50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.850634][  T294] RAX: ffffffffffffffda RBX: 00007ffc6823b418 RCX: 00007fb83b03608e
[   14.850841][  T294] RDX: 0000000000000000 RSI: 00007ffc6823ad00 RDI: 0000000000000005
[   14.851045][  T294] RBP: 00007ffc6823ac60 R08: 0000000000000000 R09: 0000000000000000
[   14.851281][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.851491][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6823b3d0
| [   14.854732][  T294] ------------[ cut here ]------------
| [   14.854879][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/294
| [   14.855123][  T294] Modules linked in: vxlan
| [   14.855552][  T294] Tainted: [W]=WARN
[   14.855671][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.856088][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.856275][  T294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.856800][  T294] RSP: 0018:ffa00000009f7070 EFLAGS: 00010286
[   14.856985][  T294] RAX: 00000000ffffffa6 RBX: ff11000005b90e40 RCX: 1ff400000013edd4
[   14.857195][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b90efc
[   14.857411][  T294] RBP: ff11000011d82000 R08: 1fe2200000b721e1 R09: ff1100000fb08b80
[   14.857628][  T294] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   14.857843][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.858055][  T294] FS:  00007fb83adfc840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   14.858299][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.858478][  T294] CR2: 0000000000437490 CR3: 000000000e0dd002 CR4: 0000000000771ef0
[   14.858687][  T294] PKRU: 55555554
[   14.858798][  T294] Call Trace:
[   14.858902][  T294]  <TASK>
[   14.858975][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.859258][  T294]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.859399][  T294]  notifier_call_chain (kernel/notifier.c:85)
[   14.859545][  T294]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   14.859684][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.859831][  T294]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.859972][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.860115][  T294]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   14.860274][  T294]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   14.860419][  T294]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   14.860559][  T294]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   14.860700][  T294]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   14.860847][  T294]  br_add_if (net/bridge/br_if.c:619)
[   14.860957][  T294]  do_set_master (net/core/rtnetlink.c:3011)
[   14.861099][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   14.861267][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.861413][  T294]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.861553][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.861699][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.861850][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.861993][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.862150][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.862296][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.862445][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.862603][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.862754][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.862895][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.863035][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.863182][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.863327][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.863474][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.863617][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.863763][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.863904][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.864044][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.864202][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.864352][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.864503][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.864649][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.864797][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.864939][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.865081][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.865228][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.865369][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.865517][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.865659][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.865829][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.866003][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   14.866288][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   14.866434][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.866576][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.866731][  T294]  ? 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))
[   14.866877][  T294]  __sys_sendmsg (net/socket.c:2784)
[   14.867018][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.867162][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.867309][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.867456][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.867597][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.867743][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.867884][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.868058][  T294] RIP: 0033:0x7fb83b03608e
[   14.868226][  T294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.868742][  T294] RSP: 002b:00007ffc6823ac50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.868956][  T294] RAX: ffffffffffffffda RBX: 00007ffc6823b418 RCX: 00007fb83b03608e
[   14.869166][  T294] RDX: 0000000000000000 RSI: 00007ffc6823ad00 RDI: 0000000000000005
[   14.869382][  T294] RBP: 00007ffc6823ac60 R08: 0000000000000000 R09: 0000000000000000
[   14.869597][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.869814][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6823b3d0
| [   14.871642][  T294] ------------[ cut here ]------------
| [   14.871792][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/294
| [   14.872069][  T294] Modules linked in: vxlan
| [   14.872537][  T294] Tainted: [W]=WARN
[   14.872648][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.872841][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.873030][  T294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.873559][  T294] RSP: 0018:ffa00000009f7030 EFLAGS: 00010286
[   14.873755][  T294] RAX: 00000000ffffffa6 RBX: ff11000005b90c80 RCX: 1ff400000013edcc
[   14.873976][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b90d3c
[   14.874192][  T294] RBP: ff11000011d82000 R08: 1fe2200000b721a9 R09: ff1100000fb08b80
[   14.874414][  T294] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   14.874633][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e8c3408
[   14.874863][  T294] FS:  00007fb83adfc840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   14.875119][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.875317][  T294] CR2: 0000000000437490 CR3: 000000000e0dd002 CR4: 0000000000771ef0
[   14.875545][  T294] PKRU: 55555554
[   14.875653][  T294] Call Trace:
[   14.875766][  T294]  <TASK>
[   14.875842][  T294]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   14.875992][  T294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.876163][  T294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.876282][  T294]  __dev_notify_flags (net/core/dev.c:9787)
[   14.876433][  T294]  ? netdev_notice (net/core/dev.c:13008)
[   14.876582][  T294]  ? netif_change_name (net/core/dev.c:1495)
[   14.876736][  T294]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   14.876931][  T294]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.877079][  T294]  __dev_set_promiscuity (net/core/dev.c:9630)
[   14.877230][  T294]  netif_set_promiscuity (net/core/dev.c:9639)
[   14.877378][  T294]  dev_set_promiscuity (net/core/dev_api.c:288)
[   14.877530][  T294]  br_port_set_promisc (net/bridge/br_if.c:108)
[   14.877677][  T294]  br_manage_promisc (net/bridge/br_if.c:174)
[   14.877827][  T294]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   14.877984][  T294]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   14.878098][  T294]  do_set_master (net/core/rtnetlink.c:3011)
[   14.878275][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   14.878430][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.878577][  T294]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.878727][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.878880][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.879029][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.879177][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.879328][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.879478][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.879623][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.879771][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.879938][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.880085][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.880237][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.880383][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.880534][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.880679][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.880834][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.880979][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.881125][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.881275][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.881425][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.881593][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.881742][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.881891][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.882036][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.882182][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.882333][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.882485][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.882631][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.882784][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.882931][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.883076][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.883286][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   14.883441][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   14.883586][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.883741][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.883897][  T294]  ? 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))
[   14.884045][  T294]  __sys_sendmsg (net/socket.c:2784)
[   14.884191][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.884341][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.884491][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.884637][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.884790][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.884935][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.885081][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.885264][  T294] RIP: 0033:0x7fb83b03608e
[   14.885418][  T294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.885942][  T294] RSP: 002b:00007ffc6823ac50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.886162][  T294] RAX: ffffffffffffffda RBX: 00007ffc6823b418 RCX: 00007fb83b03608e
[   14.886383][  T294] RDX: 0000000000000000 RSI: 00007ffc6823ad00 RDI: 0000000000000005
[   14.886603][  T294] RBP: 00007ffc6823ac60 R08: 0000000000000000 R09: 0000000000000000
[   14.886828][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.887044][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6823b3d0
| [   14.889300][  T294] ------------[ cut here ]------------
| [   14.889442][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/294
| [   14.889681][  T294] Modules linked in: vxlan
| [   14.890099][  T294] Tainted: [W]=WARN
[   14.890203][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.890379][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.890563][  T294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.891061][  T294] RSP: 0018:ffa00000009f7108 EFLAGS: 00010286
[   14.891238][  T294] RAX: 00000000ffffffa6 RBX: ff11000005b903c0 RCX: 1ff400000013ede7
[   14.891459][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b9047c
[   14.891664][  T294] RBP: ff1100000e9d2000 R08: 1fe2200000b72091 R09: ff1100000fb08b80
[   14.891874][  T294] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   14.892077][  T294] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   14.892288][  T294] FS:  00007fb83adfc840(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[   14.892535][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.892708][  T294] CR2: 0000000000437490 CR3: 000000000e0dd002 CR4: 0000000000771ef0
[   14.892918][  T294] PKRU: 55555554
[   14.893020][  T294] Call Trace:
[   14.893122][  T294]  <TASK>
[   14.893194][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.893335][  T294]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.893478][  T294]  notifier_call_chain (kernel/notifier.c:85)
[   14.893620][  T294]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   14.893798][  T294]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[   14.893986][  T294]  ? netdev_change_features (net/core/dev.c:11117)
[   14.894127][  T294]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   14.894270][  T294]  br_add_if (net/bridge/br_if.c:683)
[   14.894378][  T294]  do_set_master (net/core/rtnetlink.c:3011)
[   14.894539][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   14.894681][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.894825][  T294]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.894963][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.895111][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.895257][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.895418][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.895573][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.895710][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.895866][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.896007][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.896148][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.896291][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.896438][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.896615][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.896759][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.896896][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.897037][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.897175][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.897319][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.897466][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.897606][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.897753][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.897892][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.898031][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.898171][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.898314][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.898551][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.898721][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.898863][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.899003][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.899141][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.899284][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.899462][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   14.899606][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   14.899767][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.899907][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.900054][  T294]  ? 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))
[   14.900194][  T294]  __sys_sendmsg (net/socket.c:2784)
[   14.900337][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.900484][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.900622][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.900765][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.900904][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.901044][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.901182][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.901358][  T294] RIP: 0033:0x7fb83b03608e
[   14.901509][  T294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.902027][  T294] RSP: 002b:00007ffc6823ac50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.902241][  T294] RAX: ffffffffffffffda RBX: 00007ffc6823b418 RCX: 00007fb83b03608e
[   14.902454][  T294] RDX: 0000000000000000 RSI: 00007ffc6823ad00 RDI: 0000000000000005
[   14.902679][  T294] RBP: 00007ffc6823ac60 R08: 0000000000000000 R09: 0000000000000000
[   14.902891][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cca2
[   14.903095][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6823b3d0
| [  320.596495][   T12] ------------[ cut here ]------------
| [  320.596711][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.597102][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.597633][   T12] Tainted: [W]=WARN
[  320.597783][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.597937][   T12] Workqueue: netns cleanup_net
[  320.598068][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.598232][   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
[  320.598673][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.598841][   T12] RAX: 00000000ffffffa6 RBX: ff11000005261700 RCX: 1ff4000000018eed
[  320.599077][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052617bc
[  320.599267][   T12] RBP: ff1100000e8d1000 R08: 1fe2200000a4c2f9 R09: ff11000001aed1d0
[  320.599449][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  320.599639][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.599871][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.600092][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.600246][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58004 CR4: 0000000000771ef0
[  320.600427][   T12] PKRU: 55555554
[  320.600522][   T12] Call Trace:
[  320.600614][   T12]  <TASK>
[  320.600680][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.600851][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.601002][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.601129][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.601253][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.601376][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.601627][   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)
[  320.601759][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.601882][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.602003][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.602131][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.602252][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.602370][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.602495][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.602616][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.602745][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.602873][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.602994][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.603123][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.603252][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.603377][   T12]  kthread (kernel/kthread.c:436)
[  320.603473][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.603625][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.603757][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.603879][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.604027][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.604152][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.604273][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.606856][   T12] ------------[ cut here ]------------
| [  320.606988][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.607232][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.607772][   T12] Tainted: [W]=WARN
[  320.607863][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.608019][   T12] Workqueue: netns cleanup_net
[  320.608149][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.608306][   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
[  320.608759][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.608909][   T12] RAX: 00000000ffffffa6 RBX: ff11000005260c80 RCX: 1ff4000000018eed
[  320.609091][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005260d3c
[  320.609271][   T12] RBP: ff1100000e3e9000 R08: 1fe2200000a4c1a9 R09: ff11000001aed1d0
[  320.609475][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  320.609653][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.609845][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.610059][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.610219][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.610416][   T12] PKRU: 55555554
[  320.610514][   T12] Call Trace:
[  320.610607][   T12]  <TASK>
[  320.610672][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.610834][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.610985][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.611111][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.611233][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.611355][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.611558][   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)
[  320.611685][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.611873][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.612000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.612128][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.612252][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.612372][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.612497][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.612618][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.612830][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.613002][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.613124][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.613248][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.613373][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.613516][   T12]  kthread (kernel/kthread.c:436)
[  320.613609][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.613810][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.613931][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.614053][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.614209][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.614339][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.614465][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.618205][   T12] ------------[ cut here ]------------
| [  320.618339][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.618630][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.619150][   T12] Tainted: [W]=WARN
[  320.619241][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.619401][   T12] Workqueue: netns cleanup_net
[  320.619539][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.619703][   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
[  320.620196][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.620349][   T12] RAX: 00000000ffffffa6 RBX: ff110000095f9e00 RCX: 1ff4000000018eed
[  320.620536][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095f9ebc
[  320.620770][   T12] RBP: ff1100000eafc000 R08: 1fe22000012bf3d9 R09: ff11000001aed1d0
[  320.621012][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  320.621204][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.621388][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.621611][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.621812][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.621994][   T12] PKRU: 55555554
[  320.622092][   T12] Call Trace:
[  320.622188][   T12]  <TASK>
[  320.622252][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.622405][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.622568][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.622689][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.622858][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.623006][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.623154][   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)
[  320.623278][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.623406][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.623537][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.623662][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.623836][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.623958][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.624091][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.624210][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.624333][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.624465][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.624606][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.624777][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.624902][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.625021][   T12]  kthread (kernel/kthread.c:436)
[  320.625119][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.625294][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.625417][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.625543][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.625699][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.625866][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.625989][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.628481][   T12] ------------[ cut here ]------------
| [  320.628602][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.628844][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.629321][   T12] Tainted: [W]=WARN
[  320.629416][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.629578][   T12] Workqueue: netns cleanup_net
[  320.629702][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.629955][   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
[  320.630392][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.630550][   T12] RAX: 00000000ffffffa6 RBX: ff110000095f9540 RCX: 1ff4000000018eed
[  320.630825][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095f95fc
[  320.631003][   T12] RBP: ff1100000efa4000 R08: 1fe22000012bf2c1 R09: ff11000001aed1d0
[  320.631183][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  320.631375][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.631562][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.631884][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.632154][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.632338][   T12] PKRU: 55555554
[  320.632428][   T12] Call Trace:
[  320.632523][   T12]  <TASK>
[  320.632607][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.632847][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.632999][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.633122][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.633246][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.633432][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.633580][   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)
[  320.633763][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.633889][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.634009][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.634138][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.634262][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.634406][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.634538][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.634659][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.634834][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.634959][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.635084][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.635216][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.635348][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.635475][   T12]  kthread (kernel/kthread.c:436)
[  320.635566][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.635763][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.635885][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.636013][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.636168][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.636287][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.636408][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.639975][   T12] ------------[ cut here ]------------
| [  320.640117][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.640358][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.640837][   T12] Tainted: [W]=WARN
[  320.640929][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.641086][   T12] Workqueue: netns cleanup_net
[  320.641225][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.641651][   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
[  320.642098][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.642252][   T12] RAX: 00000000ffffffa6 RBX: ff110000095f9a80 RCX: 1ff4000000018eed
[  320.642431][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095f9b3c
[  320.642618][   T12] RBP: ff1100000e3ec000 R08: 1fe22000012bf369 R09: ff11000001aed1d0
[  320.643573][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  320.643850][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.644037][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.644259][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.644455][   T12] CR2: 000055b4235b8d5c CR3: 000000000ea06004 CR4: 0000000000771ef0
[  320.644644][   T12] PKRU: 55555554
[  320.644827][   T12] Call Trace:
[  320.644924][   T12]  <TASK>
[  320.644988][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.645390][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.645548][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.645762][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.645887][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.646049][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.646177][   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)
[  320.646302][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.646427][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.646556][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.646679][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.646875][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.646998][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.647122][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.647245][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.647367][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.647496][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.647619][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.647822][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.647982][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.648110][   T12]  kthread (kernel/kthread.c:436)
[  320.648201][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.648352][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.648480][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.648603][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.648817][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.648947][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.649072][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.661358][   T12] ------------[ cut here ]------------
| [  320.661512][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.661808][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.662542][   T12] Tainted: [W]=WARN
[  320.662641][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.662826][   T12] Workqueue: netns cleanup_net
[  320.662958][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.663127][   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
[  320.663624][   T12] RSP: 0018:ffa00000000c7780 EFLAGS: 00010286
[  320.663844][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bb81c40 RCX: 1ff4000000018eb6
[  320.664033][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb81cfc
[  320.664227][   T12] RBP: ff110000096bc000 R08: 1fe22000017703a1 R09: ff11000001aed1d0
[  320.664434][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  320.664633][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  320.664852][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.665080][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.665245][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.665440][   T12] PKRU: 55555554
[  320.665786][   T12] Call Trace:
[  320.665905][   T12]  <TASK>
[  320.665972][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.666106][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.666236][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.666368][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  320.666502][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  320.666663][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[  320.666803][   T12]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  320.666935][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  320.667068][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  320.667235][   T12]  unregister_vlan_dev (net/8021q/vlan.c:112)
[  320.667371][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[  320.667508][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.667646][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.667783][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.667914][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.668045][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.668199][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.668335][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.668472][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.668600][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.668733][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.668862][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.668997][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.669133][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.669260][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.669393][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.669537][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.669664][   T12]  kthread (kernel/kthread.c:436)
[  320.669768][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.669927][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.670055][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.670186][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.670345][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.670482][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.670642][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.672248][   T12] ------------[ cut here ]------------
| [  320.672371][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.672708][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.673218][   T12] Tainted: [W]=WARN
[  320.673333][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.673545][   T12] Workqueue: netns cleanup_net
[  320.673677][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.674270][   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
[  320.674852][   T12] RSP: 0018:ffa00000000c7780 EFLAGS: 00010286
[  320.675015][   T12] RAX: 00000000ffffffa6 RBX: ff11000008b90900 RCX: 1ff4000000018eb6
[  320.675234][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008b909bc
[  320.675426][   T12] RBP: ff110000096bc000 R08: 1fe2200001172139 R09: ff11000001aed1d0
[  320.675629][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  320.675895][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  320.676119][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.676346][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.676513][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.676708][   T12] PKRU: 55555554
[  320.676811][   T12] Call Trace:
[  320.676906][   T12]  <TASK>
[  320.676973][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.677107][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.677236][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.677367][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  320.677509][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  320.677676][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.677813][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  320.677942][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  320.678109][   T12]  unregister_vlan_dev (net/8021q/vlan.c:112)
[  320.678237][   T12]  ? vlan_vid_del (net/8021q/vlan_core.c:367 net/8021q/vlan_core.c:387)
[  320.678366][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[  320.678588][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.678723][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.678854][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.678985][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.679124][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.679257][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.679563][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.679693][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.679823][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.679956][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.680172][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.680304][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.680437][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.680570][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.680792][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.680924][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.681054][   T12]  kthread (kernel/kthread.c:436)
[  320.681154][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.681395][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.681538][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.681667][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.681913][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.682059][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.682194][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.684394][   T12] ------------[ cut here ]------------
| [  320.684525][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.684786][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.685371][   T12] Tainted: [W]=WARN
[  320.685471][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.685631][   T12] Workqueue: netns cleanup_net
[  320.686415][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.686593][   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
[  320.687135][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  320.687296][   T12] RAX: 00000000ffffffa6 RBX: ff11000008b91a80 RCX: 1ff4000000018eaf
[  320.687765][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008b91b3c
[  320.687959][   T12] RBP: ff1100000fd49000 R08: 1fe2200001172369 R09: ff11000001aed1d0
[  320.688151][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  320.688340][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011d64000
[  320.688591][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.688887][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.689048][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.689250][   T12] PKRU: 55555554
[  320.689344][   T12] Call Trace:
[  320.689437][   T12]  <TASK>
[  320.689508][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  320.689644][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  320.689829][   T12]  netif_close_many (net/core/dev.c:1804)
[  320.689958][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  320.690091][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  320.690251][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  320.690412][   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)
[  320.690585][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.690801][   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)
[  320.690928][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.691055][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.691217][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.691343][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  320.691549][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.691678][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.691865][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.691993][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.692126][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.692254][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.692381][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.692555][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.692684][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.692863][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.692993][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.693123][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.693252][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.693384][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.693517][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.693652][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.693836][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.693964][   T12]  kthread (kernel/kthread.c:436)
[  320.694060][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.694223][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.694351][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.694584][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.694798][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.694928][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.695056][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.698632][   T12] ------------[ cut here ]------------
| [  320.698864][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  320.699125][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.699676][   T12] Tainted: [W]=WARN
[  320.699831][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.699991][   T12] Workqueue: netns cleanup_net
[  320.700128][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.700296][   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
[  320.700824][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  320.700992][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ed0b8c0 RCX: 1ff4000000018eaf
[  320.701186][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed0b97c
[  320.701376][   T12] RBP: ff11000011d64000 R08: 1fe2200001da1731 R09: ff11000001aed1d0
[  320.701575][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  320.701851][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000096bc000
[  320.702100][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  320.702323][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.702489][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58005 CR4: 0000000000771ef0
[  320.702684][   T12] PKRU: 55555554
[  320.702833][   T12] Call Trace:
[  320.702928][   T12]  <TASK>
[  320.703000][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  320.703137][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  320.703265][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  320.703361][   T12]  netif_close_many (net/core/dev.c:1804)
[  320.703496][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  320.703624][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  320.703836][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  320.704047][   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)
[  320.704182][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.704340][   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)
[  320.704532][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.704658][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.704868][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.704995][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  320.705127][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.705256][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.705384][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.705515][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.705650][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.705838][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.705963][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.706094][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.706220][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.706345][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.706481][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.706611][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.706793][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.706929][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.707056][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.707190][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.707323][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.707457][   T12]  kthread (kernel/kthread.c:436)
[  320.707554][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.707710][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.707868][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.707996][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.708160][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.708292][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.708420][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.710958][   T12] ------------[ cut here ]------------
| [  320.711099][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  320.711366][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.711875][   T12] Tainted: [W]=WARN
[  320.711975][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.712142][   T12] Workqueue: netns cleanup_net
[  320.712274][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.712438][   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
[  320.712909][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  320.713070][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be88580 RCX: 1ff4000000018eaf
[  320.713266][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be8863c
[  320.713461][   T12] RBP: ff110000096bc000 R08: 1fe22000017d10c9 R09: ff11000001aed1d0
[  320.713652][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  320.713845][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c89000
[  320.714039][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  320.714272][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.714436][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58005 CR4: 0000000000771ef0
[  320.714631][   T12] PKRU: 55555554
[  320.714745][   T12] Call Trace:
[  320.714840][   T12]  <TASK>
[  320.714906][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  320.715063][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  320.715196][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  320.715293][   T12]  netif_close_many (net/core/dev.c:1804)
[  320.715421][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  320.715554][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  320.715773][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  320.715933][   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)
[  320.716061][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.716224][   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)
[  320.716352][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.716483][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.716641][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.716778][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  320.716907][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.717050][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.717183][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.717323][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.717455][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.717586][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.717712][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.717847][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.717975][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.718106][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.718236][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.718362][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.718495][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.718625][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.718758][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.718890][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.719020][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.719152][   T12]  kthread (kernel/kthread.c:436)
[  320.719248][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.719406][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.719562][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.719689][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.719853][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.719979][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.720114][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.722234][   T12] ------------[ cut here ]------------
| [  320.722368][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  320.722624][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.723840][   T12] Tainted: [W]=WARN
[  320.723937][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.724101][   T12] Workqueue: netns cleanup_net
[  320.724232][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.724396][   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
[  320.724929][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  320.725091][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0baac0 RCX: 1ff4000000018eaf
[  320.725280][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b0bab7c
[  320.725478][   T12] RBP: ff11000009c89000 R08: 1fe2200001617571 R09: ff11000001aed1d0
[  320.725731][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  320.725920][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd59000
[  320.726117][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  320.726342][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.726510][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58005 CR4: 0000000000771ef0
[  320.726709][   T12] PKRU: 55555554
[  320.726882][   T12] Call Trace:
[  320.726980][   T12]  <TASK>
[  320.727047][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  320.727181][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  320.727307][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  320.727403][   T12]  netif_close_many (net/core/dev.c:1804)
[  320.727536][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  320.727667][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  320.727877][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  320.728037][   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)
[  320.728171][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.728332][   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)
[  320.728465][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.728594][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.728815][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.728943][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  320.729074][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.729206][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.729334][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.729467][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.729595][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.729775][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.729900][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.730031][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.730164][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.730291][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.730420][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.730559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.730686][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.730868][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.731004][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.731308][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.731441][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.731574][   T12]  kthread (kernel/kthread.c:436)
[  320.731677][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.731888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.732015][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.732178][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.732340][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.732478][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.732606][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.735252][   T12] ------------[ cut here ]------------
| [  320.735386][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.735643][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.736141][   T12] Tainted: [W]=WARN
[  320.736236][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.736392][   T12] Workqueue: netns cleanup_net
[  320.736528][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.736698][   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
[  320.737158][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  320.737317][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ea35700 RCX: 1ff4000000018eaf
[  320.737512][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ea357bc
[  320.737707][   T12] RBP: ff1100000fd59000 R08: 1fe2200001d46af9 R09: ff11000001aed1d0
[  320.737905][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  320.738095][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  320.738284][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.738511][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.738673][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.738873][   T12] PKRU: 55555554
[  320.738967][   T12] Call Trace:
[  320.739062][   T12]  <TASK>
[  320.739133][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  320.739266][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  320.739393][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  320.739511][   T12]  netif_close_many (net/core/dev.c:1804)
[  320.739639][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  320.739774][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  320.739934][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  320.740095][   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)
[  320.740222][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.740380][   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)
[  320.740516][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.740646][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.740808][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.740935][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  320.741063][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.741195][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.741323][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.741456][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.741585][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.741720][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.741845][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.741973][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.742106][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.742243][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.742370][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.742501][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.742631][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.742765][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.742890][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.743021][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.743156][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.743280][   T12]  kthread (kernel/kthread.c:436)
[  320.743376][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.743541][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.743667][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.743799][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.743955][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.744086][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.744213][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.746799][   T12] ------------[ cut here ]------------
| [  320.746923][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.747169][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.747634][   T12] Tainted: [W]=WARN
[  320.747730][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.747882][   T12] Workqueue: netns cleanup_net
[  320.748007][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.748177][   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
[  320.748616][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  320.748774][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8b3540 RCX: 1ff4000000018ed5
[  320.748956][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b35fc
[  320.749142][   T12] RBP: ff1100000fd49000 R08: 1fe2200001f166c1 R09: ff11000001aed1d0
[  320.749324][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  320.749510][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.749694][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.749908][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.750061][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.750247][   T12] PKRU: 55555554
[  320.750337][   T12] Call Trace:
[  320.750428][   T12]  <TASK>
[  320.750522][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.750683][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.750838][   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)
[  320.750959][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.751084][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.751236][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.751359][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.751489][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.751612][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.751759][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.751883][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.752006][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.752131][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.752255][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.752377][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.752505][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.752628][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.752757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.752881][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.753007][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.753132][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.753258][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.753385][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.753512][   T12]  kthread (kernel/kthread.c:436)
[  320.753605][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.753785][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.753910][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.754032][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.754186][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.754308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.754429][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.756926][   T12] ------------[ cut here ]------------
| [  320.757047][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.757291][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.758266][   T12] Tainted: [W]=WARN
[  320.758372][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.758537][   T12] Workqueue: netns cleanup_net
[  320.758666][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.758877][   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
[  320.759317][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  320.759478][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8b23c0 RCX: 1ff4000000018ed5
[  320.759661][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b247c
[  320.759888][   T12] RBP: ff11000011d64000 R08: 1fe2200001f16491 R09: ff11000001aed1d0
[  320.760067][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  320.760250][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.760434][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.760651][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.760851][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.761033][   T12] PKRU: 55555554
[  320.761128][   T12] Call Trace:
[  320.761221][   T12]  <TASK>
[  320.761286][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.761446][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.761604][   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)
[  320.761771][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.761895][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.762046][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.762176][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.762301][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.762423][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.762552][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.762674][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.762844][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.762964][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.763091][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.763216][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.763336][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.763462][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.763585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.763711][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.763894][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.764014][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.764147][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.764276][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.764398][   T12]  kthread (kernel/kthread.c:436)
[  320.764500][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.764653][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.764823][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.764944][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.765102][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.765223][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.765345][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.768434][   T12] ------------[ cut here ]------------
| [  320.768580][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  320.768829][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.769292][   T12] Tainted: [W]=WARN
[  320.769387][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.769546][   T12] Workqueue: netns cleanup_net
[  320.769679][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.769849][   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
[  320.770290][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  320.770443][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ea80740 RCX: 1ff4000000018ed5
[  320.770637][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ea807fc
[  320.770827][   T12] RBP: ff110000096bc000 R08: 1fe2200001d50101 R09: ff11000001aed1d0
[  320.771009][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  320.771196][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.771377][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  320.771595][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.771753][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d002 CR4: 0000000000771ef0
[  320.771941][   T12] PKRU: 55555554
[  320.772032][   T12] Call Trace:
[  320.772125][   T12]  <TASK>
[  320.772188][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.772342][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.772497][   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)
[  320.772620][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.772751][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.772904][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.773028][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.773153][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.773275][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.773396][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.773524][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.773647][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.773776][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.773901][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.774025][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.774149][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.774270][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.774392][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.774523][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.774648][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.774778][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.774903][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.775031][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.775155][   T12]  kthread (kernel/kthread.c:436)
[  320.775248][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.775397][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.775522][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.775648][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.775806][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.775929][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.776050][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.780803][   T12] ------------[ cut here ]------------
| [  320.780950][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.781218][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.781752][   T12] Tainted: [W]=WARN
[  320.781852][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.782019][   T12] Workqueue: netns cleanup_net
[  320.782161][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.782330][   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
[  320.782815][   T12] RSP: 0018:ffa00000000c7650 EFLAGS: 00010286
[  320.782983][   T12] RAX: 00000000ffffffa6 RBX: ff110000102bfe00 RCX: 1ff4000000018e90
[  320.783186][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102bfebc
[  320.783382][   T12] RBP: ff11000011ee2000 R08: 1fe2200002057fd9 R09: ff11000001aed1d0
[  320.783583][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  320.783783][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  320.783983][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.784219][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.784385][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.784598][   T12] PKRU: 55555554
[  320.784695][   T12] Call Trace:
[  320.784797][   T12]  <TASK>
[  320.784865][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.784995][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.785130][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.785263][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  320.785394][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  320.785531][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:457 (discriminator 2))
[  320.785663][   T12]  br_del_if (net/bridge/br_if.c:735)
[  320.785776][   T12]  br_device_event (net/bridge/br.c:127)
[  320.785909][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.786049][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.786187][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  320.786353][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.786523][   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)
[  320.786655][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.786792][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.786957][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.787095][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.787228][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.787364][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.787556][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.787693][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.788325][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.788469][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.788605][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.788798][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.788932][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.789066][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.789203][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.789337][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.789477][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.789615][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.789767][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.789905][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.790064][   T12]  kthread (kernel/kthread.c:436)
[  320.790176][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.790350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.790494][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.790631][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.790803][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.790935][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.791067][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.792570][   T12] ------------[ cut here ]------------
| [  320.792706][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.792985][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.793521][   T12] Tainted: [W]=WARN
[  320.793626][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.793946][   T12] Workqueue: netns cleanup_net
[  320.794094][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.794272][   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
[  320.794776][   T12] RSP: 0018:ffa00000000c7450 EFLAGS: 00010286
[  320.794952][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f761a80 RCX: 1ff4000000018e50
[  320.795161][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f761b3c
[  320.795368][   T12] RBP: ff1100000f53c000 R08: 1fe2200001eec369 R09: ff11000001aed1d0
[  320.795581][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  320.795792][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  320.796003][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.796251][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.796426][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.796643][   T12] PKRU: 55555554
[  320.796751][   T12] Call Trace:
[  320.796855][   T12]  <TASK>
[  320.796926][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.797065][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.797210][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.797351][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  320.797497][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  320.797638][   T12]  vlan_dev_inherit_address (net/8021q/vlan_dev.c:259 net/8021q/vlan_dev.c:252)
[  320.797782][   T12]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  320.797920][   T12]  vlan_device_event (net/8021q/vlan.c:300 net/8021q/vlan.c:441)
[  320.798062][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  320.798207][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  320.798344][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.798490][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.798634][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.798780][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  320.798918][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  320.799057][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:457 (discriminator 2))
[  320.799199][   T12]  br_del_if (net/bridge/br_if.c:735)
[  320.799303][   T12]  br_device_event (net/bridge/br.c:127)
[  320.799450][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.799602][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.799781][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  320.799957][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.800158][   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)
[  320.800298][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.800461][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.800639][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.800787][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.800928][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.801067][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.801212][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.801353][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.801518][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.801659][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.801805][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.801946][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.802089][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.802230][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.802368][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.802516][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.802659][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.802811][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.802955][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.803101][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.803241][   T12]  kthread (kernel/kthread.c:436)
[  320.803346][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.803525][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.803664][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.803817][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.803992][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.804137][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.804277][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.806085][   T12] ------------[ cut here ]------------
| [  320.806227][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.806512][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.807066][   T12] Tainted: [W]=WARN
[  320.807181][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.807361][   T12] Workqueue: netns cleanup_net
[  320.807513][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.807699][   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
[  320.808311][   T12] RSP: 0018:ffa00000000c7450 EFLAGS: 00010286
[  320.808497][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f760740 RCX: 1ff4000000018e50
[  320.808773][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f7607fc
[  320.808988][   T12] RBP: ff11000009bfc000 R08: 1fe2200001eec101 R09: ff11000001aed1d0
[  320.809208][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  320.809422][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  320.809642][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.809946][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.810127][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d005 CR4: 0000000000771ef0
[  320.810337][   T12] PKRU: 55555554
[  320.810504][   T12] Call Trace:
[  320.810609][   T12]  <TASK>
[  320.810680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.810892][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.811072][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.811219][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  320.811359][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  320.811506][   T12]  vlan_dev_inherit_address (net/8021q/vlan_dev.c:259 net/8021q/vlan_dev.c:252)
[  320.811646][   T12]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  320.811842][   T12]  vlan_device_event (net/8021q/vlan.c:300 net/8021q/vlan.c:441)
[  320.811982][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  320.812127][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  320.812267][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.812407][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.812556][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.812696][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  320.812896][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  320.813037][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:457 (discriminator 2))
[  320.813181][   T12]  br_del_if (net/bridge/br_if.c:735)
[  320.813286][   T12]  br_device_event (net/bridge/br.c:127)
[  320.813429][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.813576][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.813776][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  320.813951][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.814126][   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)
[  320.814265][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.814402][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.814586][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.814785][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.814926][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.815064][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.815208][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.815347][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.815497][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.815637][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.815838][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.815978][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.816122][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.816263][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.816402][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.816550][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.816693][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.816891][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.817035][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.817183][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.817323][   T12]  kthread (kernel/kthread.c:436)
[  320.817428][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.817608][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.817806][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.817949][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.818132][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.818270][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.818411][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.820372][   T12] ------------[ cut here ]------------
| [  320.820521][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.820796][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.821312][   T12] Tainted: [W]=WARN
[  320.821412][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.821586][   T12] Workqueue: netns cleanup_net
[  320.821730][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.821904][   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
[  320.822386][   T12] RSP: 0018:ffa00000000c75c8 EFLAGS: 00010286
[  320.822561][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b006040 RCX: 1ff4000000018e7f
[  320.822787][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b0060fc
[  320.822988][   T12] RBP: ff11000011ee2000 R08: 1fe2200001600c21 R09: ff11000001aed1d0
[  320.823190][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  320.823388][   T12] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  320.823616][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.823863][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.824032][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58004 CR4: 0000000000771ef0
[  320.824236][   T12] PKRU: 55555554
[  320.824334][   T12] Call Trace:
[  320.824452][   T12]  <TASK>
[  320.824525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.824660][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.824802][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.824938][   T12]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  320.825114][   T12]  ? netdev_change_features (net/core/dev.c:11117)
[  320.825247][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  320.825381][   T12]  br_del_if (net/bridge/br_if.c:737)
[  320.825487][   T12]  br_device_event (net/bridge/br.c:127)
[  320.825622][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.825766][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.825903][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  320.826081][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.826249][   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)
[  320.826382][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.826537][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.826707][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.826854][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.826990][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.827141][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.827273][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.827407][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.827549][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.827681][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.827842][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.827980][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.828117][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.828255][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.828386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.828531][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.828669][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.828808][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.828971][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.829113][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.829253][   T12]  kthread (kernel/kthread.c:436)
[  320.829354][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.829526][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.829661][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.829799][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.829964][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.830102][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.830237][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.831897][   T12] ------------[ cut here ]------------
| [  320.832034][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.832309][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.832860][   T12] Tainted: [W]=WARN
[  320.832964][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.833141][   T12] Workqueue: netns cleanup_net
[  320.833282][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.833489][   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
[  320.833983][   T12] RSP: 0018:ffa00000000c73d8 EFLAGS: 00010286
[  320.834160][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b006e40 RCX: 1ff4000000018e41
[  320.834365][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b006efc
[  320.834616][   T12] RBP: ff1100000f53c000 R08: 1fe2200001600de1 R09: ff11000001aed1d0
[  320.834830][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  320.835034][   T12] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  320.835258][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.835511][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.835681][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58004 CR4: 0000000000771ef0
[  320.835895][   T12] PKRU: 55555554
[  320.835997][   T12] Call Trace:
[  320.836106][   T12]  <TASK>
[  320.836201][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.836339][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.836483][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.836625][   T12]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[  320.836774][   T12]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[  320.836946][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.837090][   T12]  vlan_device_event (net/8021q/vlan.c:339 net/8021q/vlan.c:457)
[  320.837232][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  320.837372][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  320.837514][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.837657][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.837802][   T12]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  320.837978][   T12]  ? netdev_change_features (net/core/dev.c:11117)
[  320.838140][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  320.838282][   T12]  br_del_if (net/bridge/br_if.c:737)
[  320.838387][   T12]  br_device_event (net/bridge/br.c:127)
[  320.838531][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.838675][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.838822][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  320.839005][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.839201][   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)
[  320.839358][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.839508][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.839683][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.839829][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.839967][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.840110][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.840249][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.840388][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.840562][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.840700][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.840857][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.840996][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.841138][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.841277][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.841415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.841560][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.841705][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.841848][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.842015][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.842163][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.842300][   T12]  kthread (kernel/kthread.c:436)
[  320.842403][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.842583][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.842914][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.843052][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.843227][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.843365][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.843510][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.845178][   T12] ------------[ cut here ]------------
| [  320.845317][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.845593][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.846130][   T12] Tainted: [W]=WARN
[  320.846234][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.846406][   T12] Workqueue: netns cleanup_net
[  320.846552][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.846758][   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
[  320.847269][   T12] RSP: 0018:ffa00000000c73d8 EFLAGS: 00010286
[  320.847474][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0b5540 RCX: 1ff4000000018e41
[  320.847683][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b0b55fc
[  320.847894][   T12] RBP: ff11000009bfc000 R08: 1fe2200001616ac1 R09: ff11000001aed1d0
[  320.848131][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  320.848558][   T12] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  320.848782][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.849030][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.849255][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58004 CR4: 0000000000771ef0
[  320.849493][   T12] PKRU: 55555554
[  320.849597][   T12] Call Trace:
[  320.849699][   T12]  <TASK>
[  320.849778][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.849922][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.850062][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.850209][   T12]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[  320.850348][   T12]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[  320.850552][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.850693][   T12]  vlan_device_event (net/8021q/vlan.c:339 net/8021q/vlan.c:457)
[  320.850848][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  320.851005][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  320.851150][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.851304][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.851444][   T12]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  320.851625][   T12]  ? netdev_change_features (net/core/dev.c:11117)
[  320.851767][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  320.851908][   T12]  br_del_if (net/bridge/br_if.c:737)
[  320.852015][   T12]  br_device_event (net/bridge/br.c:127)
[  320.852184][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  320.852341][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.852489][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  320.852673][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.852851][   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)
[  320.853002][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.853150][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.853323][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.853477][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.853649][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.853797][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.853936][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.854080][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.854248][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.854410][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.854563][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.854708][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.854850][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.854991][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.855129][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.855269][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.855437][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.855580][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.855737][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.855880][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.856017][   T12]  kthread (kernel/kthread.c:436)
[  320.856126][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.856297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.856438][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.856607][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.856809][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.856948][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.857091][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.858751][   T12] ------------[ cut here ]------------
| [  320.858915][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.859182][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.859656][   T12] Tainted: [W]=WARN
[  320.859763][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.859943][   T12] Workqueue: netns cleanup_net
[  320.860069][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.860234][   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
[  320.860684][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  320.860843][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0b58c0 RCX: 1ff4000000018ed5
[  320.861050][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b0b597c
[  320.861248][   T12] RBP: ff11000009c89000 R08: 1fe2200001616b31 R09: ff11000001aed1d0
[  320.861518][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  320.861702][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.861892][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.862109][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.862265][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58004 CR4: 0000000000771ef0
[  320.862480][   T12] PKRU: 55555554
[  320.862571][   T12] Call Trace:
[  320.862662][   T12]  <TASK>
[  320.862742][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.862901][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.863062][   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)
[  320.863193][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.863314][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.863490][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.863614][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.863745][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.863887][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.864010][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.864141][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.864265][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.864390][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.864526][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.864650][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.864779][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.864902][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.865024][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.865170][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.865298][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.865420][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.865553][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.865691][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.865818][   T12]  kthread (kernel/kthread.c:436)
[  320.865910][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.866065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.866199][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.866322][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.866496][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.866650][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.866780][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.869676][   T12] ------------[ cut here ]------------
| [  320.870233][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  320.870479][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.871016][   T12] Tainted: [W]=WARN
[  320.871114][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.871267][   T12] Workqueue: netns cleanup_net
[  320.871399][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.871568][   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
[  320.872066][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  320.872226][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b6cd380 RCX: 1ff4000000018ed5
[  320.872407][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6cd43c
[  320.872603][   T12] RBP: ff1100000fd59000 R08: 1fe22000016d9a89 R09: ff11000001aed1d0
[  320.872834][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  320.873014][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.873203][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  320.873431][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.873611][   T12] CR2: 000055b4235b8d5c CR3: 0000000004a58004 CR4: 0000000000771ef0
[  320.873847][   T12] PKRU: 55555554
[  320.873938][   T12] Call Trace:
[  320.874030][   T12]  <TASK>
[  320.874098][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.874254][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.874419][   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)
[  320.874549][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.874702][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  320.874943][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.875072][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  320.875201][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.875323][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.875470][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.875617][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.875796][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.875919][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.876043][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.876173][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.876314][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.876440][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.876578][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.876704][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.876878][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.876998][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.877143][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.877272][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.877485][   T12]  kthread (kernel/kthread.c:436)
[  320.877582][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.877784][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.877910][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.878032][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.878187][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.878383][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.878510][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.908867][   T12] ------------[ cut here ]------------
| [  320.909041][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  320.909367][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.909911][   T12] Tainted: [W]=WARN
[  320.910005][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.910168][   T12] Workqueue: netns cleanup_net
[  320.910298][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.910459][   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
[  320.910976][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.911132][   T12] RAX: 00000000ffffffa6 RBX: ff1100000956d000 RCX: 1ff4000000018eed
[  320.911355][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000956d0bc
[  320.911539][   T12] RBP: ff1100001015c000 R08: 1fe22000012ada19 R09: ff11000001aed1d0
[  320.911728][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  320.911909][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.912095][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  320.912304][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.912461][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d002 CR4: 0000000000771ef0
[  320.912646][   T12] PKRU: 55555554
[  320.912744][   T12] Call Trace:
[  320.912835][   T12]  <TASK>
[  320.912899][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.913057][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.913207][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.913327][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.913454][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.913630][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.913757][   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)
[  320.913880][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.914001][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.914123][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.914250][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.914376][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.914501][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.914625][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.914756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.914904][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.915028][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.915149][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.915274][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.915399][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.916149][   T12]  kthread (kernel/kthread.c:436)
[  320.916241][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.916394][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.916542][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.916667][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.916822][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.916942][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.917062][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.919883][   T12] ------------[ cut here ]------------
| [  320.920013][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  320.920263][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.920761][   T12] Tainted: [W]=WARN
[  320.920869][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.921022][   T12] Workqueue: netns cleanup_net
[  320.921151][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.921307][   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
[  320.921764][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.921922][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fbda900 RCX: 1ff4000000018eed
[  320.922108][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fbda9bc
[  320.922286][   T12] RBP: ff1100000f499000 R08: 1fe2200001f7b539 R09: ff11000001aed1d0
[  320.922471][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  320.922649][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.922845][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  320.923055][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.923208][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d002 CR4: 0000000000771ef0
[  320.923389][   T12] PKRU: 55555554
[  320.923486][   T12] Call Trace:
[  320.923578][   T12]  <TASK>
[  320.923642][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.923802][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.923962][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.924087][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.924223][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.924344][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.924473][   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)
[  320.924596][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.924723][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.924844][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.924966][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.925091][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.925222][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.925343][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.925474][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.925610][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.925739][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.925859][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.925983][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.926113][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.926233][   T12]  kthread (kernel/kthread.c:436)
[  320.926324][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.926483][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.926606][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.926737][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.926904][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.927028][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.927151][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.930404][   T12] ------------[ cut here ]------------
| [  320.930553][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  320.930798][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.931257][   T12] Tainted: [W]=WARN
[  320.931346][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.931501][   T12] Workqueue: netns cleanup_net
[  320.931625][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.931787][   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
[  320.932244][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.933127][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b1e03c0 RCX: 1ff4000000018eed
[  320.933313][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b1e047c
[  320.933498][   T12] RBP: ff1100000f5bc000 R08: 1fe220000163c091 R09: ff11000001aed1d0
[  320.933677][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  320.933939][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.934120][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  320.934328][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.934482][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d002 CR4: 0000000000771ef0
[  320.934662][   T12] PKRU: 55555554
[  320.934844][   T12] Call Trace:
[  320.934948][   T12]  <TASK>
[  320.935011][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.935285][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.935434][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.935560][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.935682][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.935884][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.936005][   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)
[  320.936137][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.936262][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.936381][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.936509][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.936642][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.936817][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.936937][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.937056][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.937178][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.937303][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.937422][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.937551][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.937675][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.937871][   T12]  kthread (kernel/kthread.c:436)
[  320.937962][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.938116][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.938238][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.938357][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.938513][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.938634][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.938798][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.941202][   T12] ------------[ cut here ]------------
| [  320.941335][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  320.941575][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.942358][   T12] Tainted: [W]=WARN
[  320.942456][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.942605][   T12] Workqueue: netns cleanup_net
[  320.942787][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.942942][   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
[  320.943437][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.943592][   T12] RAX: 00000000ffffffa6 RBX: ff110000054bec80 RCX: 1ff4000000018eed
[  320.943813][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000054bed3c
[  320.943990][   T12] RBP: ff1100000ecc4000 R08: 1fe2200000a97da9 R09: ff11000001aed1d0
[  320.944174][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  320.944361][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.944546][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  320.944805][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.944955][   T12] CR2: 000055b4235b8d5c CR3: 000000004af4d002 CR4: 0000000000771ef0
[  320.945141][   T12] PKRU: 55555554
[  320.945229][   T12] Call Trace:
[  320.945318][   T12]  <TASK>
[  320.945381][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.945540][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.945709][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.945885][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.946010][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.946136][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.946255][   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)
[  320.946374][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.946500][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.946617][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.946787][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.946907][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.947026][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.947149][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.947271][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.947396][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.947522][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.947646][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.947818][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.947942][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.948063][   T12]  kthread (kernel/kthread.c:436)
[  320.948156][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.948303][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.948422][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.948546][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.948765][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.948886][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.949004][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.951198][   T12] ------------[ cut here ]------------
| [  320.951364][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  320.951678][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.952269][   T12] Tainted: [W]=WARN
[  320.952428][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.952636][   T12] Workqueue: netns cleanup_net
[  320.952830][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.953070][   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
[  320.953591][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  320.953816][   T12] RAX: 00000000ffffffa6 RBX: ff110000054be740 RCX: 1ff4000000018eed
[  320.954055][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000054be7fc
[  320.954290][   T12] RBP: ff110000051c9000 R08: 1fe2200000a97d01 R09: ff11000001aed1d0
[  320.954591][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  320.954914][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  320.955154][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  320.955413][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.955619][   T12] CR2: 00007f1a7df27db0 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  320.955867][   T12] PKRU: 55555554
[  320.956005][   T12] Call Trace:
[  320.956158][   T12]  <TASK>
[  320.956270][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  320.956498][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  320.956701][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  320.956888][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  320.957075][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.957255][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  320.957427][   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)
[  320.957609][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  320.957798][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.957979][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.958166][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.958338][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.958518][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.958693][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.958876][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.959050][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.959235][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.959423][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.959615][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.959809][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.959979][   T12]  kthread (kernel/kthread.c:436)
[  320.960158][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.960358][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.960559][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.960753][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.960954][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.961135][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.961309][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.974104][   T12] ------------[ cut here ]------------
| [  320.974283][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  320.974641][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.975267][   T12] Tainted: [W]=WARN
[  320.975415][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.975665][   T12] Workqueue: netns cleanup_net
[  320.975867][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.976088][   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
[  320.976607][   T12] RSP: 0018:ffa00000000c7780 EFLAGS: 00010286
[  320.976831][   T12] RAX: 00000000ffffffa6 RBX: ff110000054bf1c0 RCX: 1ff4000000018eb6
[  320.977080][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000054bf27c
[  320.977340][   T12] RBP: ff1100000e9f9000 R08: 1fe2200000a97e51 R09: ff11000001aed1d0
[  320.977588][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  320.977841][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  320.978086][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  320.978407][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.978628][   T12] CR2: 00007f1a7df27db0 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  320.978885][   T12] PKRU: 55555554
[  320.979032][   T12] Call Trace:
[  320.979192][   T12]  <TASK>
[  320.979325][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.979514][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.979694][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.979891][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  320.980084][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  320.980300][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[  320.980496][   T12]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  320.980681][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  320.980882][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  320.981098][   T12]  unregister_vlan_dev (net/8021q/vlan.c:112)
[  320.981288][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[  320.981476][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.981661][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.981854][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.982059][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.982250][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.982429][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.982628][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.982824][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.983036][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.983246][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.983426][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.983622][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.983824][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.984006][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.984202][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.984391][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.984603][   T12]  kthread (kernel/kthread.c:436)
[  320.984766][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.984977][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.985169][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.985354][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.985625][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.985820][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.986003][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.988380][   T12] ------------[ cut here ]------------
| [  320.988519][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  320.988913][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  320.989556][   T12] Tainted: [W]=WARN
[  320.989654][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.989833][   T12] Workqueue: netns cleanup_net
[  320.989966][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  320.990142][   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
[  320.990697][   T12] RSP: 0018:ffa00000000c7780 EFLAGS: 00010286
[  320.990864][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b63d380 RCX: 1ff4000000018eb6
[  320.991057][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b63d43c
[  320.991252][   T12] RBP: ff1100000e9f9000 R08: 1fe22000016c7a89 R09: ff11000001aed1d0
[  320.991447][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  320.991642][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  320.991839][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  320.992074][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.992239][   T12] CR2: 00007fcdb1b29888 CR3: 00000000100f5004 CR4: 0000000000771ef0
[  320.992432][   T12] PKRU: 55555554
[  320.992534][   T12] Call Trace:
[  320.992710][   T12]  <TASK>
[  320.992782][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.992911][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  320.993039][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  320.993179][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  320.993393][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  320.993643][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  320.993779][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  320.993907][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  320.994239][   T12]  unregister_vlan_dev (net/8021q/vlan.c:112)
[  320.994367][   T12]  ? vlan_vid_del (net/8021q/vlan_core.c:367 net/8021q/vlan_core.c:387)
[  320.994529][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[  320.994662][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  320.994797][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  320.994925][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  320.995143][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  320.995274][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.995400][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  320.995536][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  320.995669][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.995801][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  320.995942][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  320.996070][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  320.996205][   T12]  process_one_work (kernel/workqueue.c:3314)
[  320.996425][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  320.996562][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  320.996782][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  320.996917][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  320.997142][   T12]  kthread (kernel/kthread.c:436)
[  320.997238][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.997408][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.997541][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.997758][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  320.997918][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.998046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  320.998179][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.999906][   T12] ------------[ cut here ]------------
| [  321.000115][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.000453][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.001542][   T12] Tainted: [W]=WARN
[  321.001642][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.001804][   T12] Workqueue: netns cleanup_net
[  321.001934][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.002103][   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
[  321.002553][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.002711][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b63d1c0 RCX: 1ff4000000018eaf
[  321.002905][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b63d27c
[  321.003095][   T12] RBP: ff11000010019000 R08: 1fe22000016c7a51 R09: ff11000001aed1d0
[  321.003281][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  321.003470][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005139000
[  321.003661][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.003889][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.004045][   T12] CR2: 00007fcdb1b29888 CR3: 00000000100f5004 CR4: 0000000000771ef0
[  321.004237][   T12] PKRU: 55555554
[  321.004334][   T12] Call Trace:
[  321.004426][   T12]  <TASK>
[  321.004517][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.004649][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.004750][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.004877][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.005002][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.005165][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.005323][   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)
[  321.005455][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.005619][   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)
[  321.005750][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.005875][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.006030][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.006244][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  321.006394][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.006528][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.006656][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.006788][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.006916][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.007042][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.007172][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.007380][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.007518][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.007653][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.007791][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.007915][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.008042][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.008259][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.008385][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.008523][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.008655][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.008789][   T12]  kthread (kernel/kthread.c:436)
[  321.008883][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.009039][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.009171][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.009297][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.009458][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.009586][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.009719][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.012251][   T12] ------------[ cut here ]------------
| [  321.012389][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.012647][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.013139][   T12] Tainted: [W]=WARN
[  321.013236][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.013397][   T12] Workqueue: netns cleanup_net
[  321.013541][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.013703][   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
[  321.014160][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.014335][   T12] RAX: 00000000ffffffa6 RBX: ff1100001012ac80 RCX: 1ff4000000018eaf
[  321.014534][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001012ad3c
[  321.014726][   T12] RBP: ff11000005139000 R08: 1fe22000020255a9 R09: ff11000001aed1d0
[  321.014997][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  321.015186][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9f9000
[  321.015388][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.015615][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.015938][   T12] CR2: 00007fcdb1b29888 CR3: 000000004af4d005 CR4: 0000000000771ef0
[  321.016215][   T12] PKRU: 55555554
[  321.016332][   T12] Call Trace:
[  321.016435][   T12]  <TASK>
[  321.016507][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.016632][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.016761][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.016858][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.017006][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.017141][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.017399][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.017567][   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)
[  321.017693][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.017853][   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)
[  321.018058][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.018186][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.018343][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.018499][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  321.018712][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.018845][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.018971][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.019103][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.019336][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.019481][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.019609][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.019821][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.019952][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.020082][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.020212][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.020342][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.020475][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.020607][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.020738][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.020873][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.021089][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.021215][   T12]  kthread (kernel/kthread.c:436)
[  321.021312][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.021474][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.021683][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.021815][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.021982][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.022114][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.022238][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.024945][   T12] ------------[ cut here ]------------
| [  321.025079][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.025327][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.025904][   T12] Tainted: [W]=WARN
[  321.025999][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.026242][   T12] Workqueue: netns cleanup_net
[  321.026371][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.026538][   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
[  321.027088][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.027245][   T12] RAX: 00000000ffffffa6 RBX: ff110000028aa200 RCX: 1ff4000000018eaf
[  321.027537][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000028aa2bc
[  321.027731][   T12] RBP: ff1100000e9f9000 R08: 1fe2200000515459 R09: ff11000001aed1d0
[  321.028001][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  321.028196][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9fc000
[  321.028386][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.028697][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.028863][   T12] CR2: 00007fcdb1b29888 CR3: 000000004af4d005 CR4: 0000000000771ef0
[  321.029053][   T12] PKRU: 55555554
[  321.029233][   T12] Call Trace:
[  321.029326][   T12]  <TASK>
[  321.029391][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.029523][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.029649][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.029842][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.029982][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.030114][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.030274][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.030519][   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)
[  321.030648][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.030809][   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)
[  321.031017][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.031149][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.031306][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.031431][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  321.031649][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.031783][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.031910][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.032037][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.032260][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.032388][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.032517][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.032648][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.032780][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.032906][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.033034][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.033170][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.033382][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.033520][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.033646][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.033788][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.034001][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.034134][   T12]  kthread (kernel/kthread.c:436)
[  321.034229][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.034388][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.034518][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.034646][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.034810][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.034938][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.035067][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.037119][   T12] ------------[ cut here ]------------
| [  321.037245][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.037496][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.037998][   T12] Tainted: [W]=WARN
[  321.038095][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.038255][   T12] Workqueue: netns cleanup_net
[  321.038397][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.038600][   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
[  321.039065][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.039234][   T12] RAX: 00000000ffffffa6 RBX: ff110000028aa740 RCX: 1ff4000000018eaf
[  321.039424][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000028aa7fc
[  321.039641][   T12] RBP: ff1100000e9fc000 R08: 1fe2200000515501 R09: ff11000001aed1d0
[  321.039835][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  321.040025][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a0cc000
[  321.040217][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.040440][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.040609][   T12] CR2: 00007fcdb1b29888 CR3: 000000004af4d005 CR4: 0000000000771ef0
[  321.040805][   T12] PKRU: 55555554
[  321.040901][   T12] Call Trace:
[  321.040995][   T12]  <TASK>
[  321.041062][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.041194][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.041324][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.041436][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.041569][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.041696][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.041860][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.042032][   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)
[  321.042166][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.042324][   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)
[  321.042454][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.042581][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.042745][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.042872][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  321.043006][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.043566][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.043696][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.043827][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.043954][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.044087][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.044213][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.044342][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.044474][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.044680][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.044816][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.044948][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.045078][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.045293][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.045419][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.045555][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.045686][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.045903][   T12]  kthread (kernel/kthread.c:436)
[  321.045998][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.046160][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.046287][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.046500][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.046659][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.046791][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.047001][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.049822][   T12] ------------[ cut here ]------------
| [  321.049954][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.050282][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.050782][   T12] Tainted: [W]=WARN
[  321.050878][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.051034][   T12] Workqueue: netns cleanup_net
[  321.051194][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.051447][   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
[  321.051989][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.052240][   T12] RAX: 00000000ffffffa6 RBX: ff1100000501b700 RCX: 1ff4000000018eaf
[  321.052428][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000501b7bc
[  321.052789][   T12] RBP: ff1100000a0cc000 R08: 1fe2200000a036f9 R09: ff11000001aed1d0
[  321.052977][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  321.053171][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  321.053446][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.053667][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.053909][   T12] CR2: 00007fcdb1b29888 CR3: 000000004af4d005 CR4: 0000000000771ef0
[  321.054108][   T12] PKRU: 55555554
[  321.054202][   T12] Call Trace:
[  321.054295][   T12]  <TASK>
[  321.054360][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.054577][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.054703][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.054809][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.054936][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.055150][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.055313][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.055476][   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)
[  321.055604][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.055846][   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)
[  321.055973][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.056104][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.056421][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.056552][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  321.056681][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.056814][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.057020][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.057151][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.057278][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.057407][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.057627][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.057761][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.057887][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.058013][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.058225][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.058372][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.058506][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.058639][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.058850][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.058983][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.059118][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.059244][   T12]  kthread (kernel/kthread.c:436)
[  321.059339][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.059582][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.059711][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.059844][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.060110][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.060237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.060364][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.063252][   T12] ------------[ cut here ]------------
| [  321.063461][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.064472][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.065039][   T12] Tainted: [W]=WARN
[  321.065140][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.065293][   T12] Workqueue: netns cleanup_net
[  321.065426][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.065593][   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
[  321.066153][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.066312][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb51380 RCX: 1ff4000000018ed5
[  321.066499][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb5143c
[  321.066684][   T12] RBP: ff11000010019000 R08: 1fe220000196a289 R09: ff11000001aed1d0
[  321.066960][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  321.067148][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.067331][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.067553][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.067707][   T12] CR2: 00007fcdb1b29888 CR3: 000000004af4d005 CR4: 0000000000771ef0
[  321.067984][   T12] PKRU: 55555554
[  321.068077][   T12] Call Trace:
[  321.068173][   T12]  <TASK>
[  321.068237][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.068391][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.068550][   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)
[  321.068697][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.068868][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.069019][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.069152][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.069274][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.069398][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.069526][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.069650][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.069843][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.069978][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.070182][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.070325][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.070453][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.070578][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.070700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.070891][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.071019][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.071160][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.071287][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.071412][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.071541][   T12]  kthread (kernel/kthread.c:436)
[  321.071637][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.071863][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.071987][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.072112][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.072264][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.072386][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.072543][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.075959][   T12] ------------[ cut here ]------------
| [  321.076114][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.076359][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.076856][   T12] Tainted: [W]=WARN
[  321.076948][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.077108][   T12] Workqueue: netns cleanup_net
[  321.077237][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.077396][   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
[  321.077844][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.078005][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be0da80 RCX: 1ff4000000018ed5
[  321.078195][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be0db3c
[  321.078375][   T12] RBP: ff11000005139000 R08: 1fe22000017c1b69 R09: ff11000001aed1d0
[  321.078567][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.078827][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.079016][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.079241][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.079395][   T12] CR2: 00007efdd7679888 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.079586][   T12] PKRU: 55555554
[  321.079676][   T12] Call Trace:
[  321.079821][   T12]  <TASK>
[  321.079886][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.080119][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.080272][   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)
[  321.080395][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.080526][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.080678][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.080852][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.080995][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.081123][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.081245][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.081367][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.081570][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.081695][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.081864][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.081986][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.082113][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.082236][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.082355][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.082484][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.082614][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.082785][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.082911][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.083038][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.083165][   T12]  kthread (kernel/kthread.c:436)
[  321.083256][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.083412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.083540][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.083661][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.083860][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.083988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.084121][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.092098][   T12] ------------[ cut here ]------------
| [  321.092245][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.092544][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.093034][   T12] Tainted: [W]=WARN
[  321.093142][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.093293][   T12] Workqueue: netns cleanup_net
[  321.093418][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.093585][   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
[  321.094161][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.094314][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bfb23c0 RCX: 1ff4000000018ed5
[  321.094498][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bfb247c
[  321.094675][   T12] RBP: ff1100000e9f9000 R08: 1fe22000017f6491 R09: ff11000001aed1d0
[  321.094954][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.095143][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.095323][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.095539][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.095689][   T12] CR2: 00007efdd7679888 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.095986][   T12] PKRU: 55555554
[  321.096081][   T12] Call Trace:
[  321.096278][   T12]  <TASK>
[  321.096342][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.096504][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.096659][   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)
[  321.096874][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.096996][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.097152][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.097277][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.097399][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.097527][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.097663][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.097879][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.098002][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.098126][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.098250][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.098372][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.098497][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.098620][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.098834][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.098986][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.099116][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.099238][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.099363][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.099493][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.099615][   T12]  kthread (kernel/kthread.c:436)
[  321.099706][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.099952][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.100073][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.100202][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.100353][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.100495][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.100621][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.104641][   T12] ------------[ cut here ]------------
| [  321.104840][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.105177][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.105892][   T12] Tainted: [W]=WARN
[  321.106069][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.106320][   T12] Workqueue: netns cleanup_net
[  321.106526][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.106771][   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
[  321.107326][   T12] RSP: 0018:ffa00000000c7650 EFLAGS: 00010286
[  321.107561][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bfb3e00 RCX: 1ff4000000018e90
[  321.107834][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bfb3ebc
[  321.108093][   T12] RBP: ff1100000e9d2000 R08: 1fe22000017f67d9 R09: ff11000001aed1d0
[  321.108369][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  321.108639][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  321.108961][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.110292][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.110527][   T12] CR2: 00007f4a7be70310 CR3: 000000000790c006 CR4: 0000000000771ef0
[  321.110816][   T12] PKRU: 55555554
[  321.110973][   T12] Call Trace:
[  321.111143][   T12]  <TASK>
[  321.111266][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.111462][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  321.111656][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.111865][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  321.112055][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  321.112257][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.112453][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  321.112667][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  321.112875][   T12]  br_del_if (net/bridge/br_if.c:735)
[  321.113035][   T12]  br_device_event (net/bridge/br.c:127)
[  321.113239][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.113437][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.113641][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.113893][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.114128][   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)
[  321.114322][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.114520][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.114762][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.114960][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.115170][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.115362][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.115587][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.115795][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.115989][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.116190][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.116397][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.116600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.116809][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.117002][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.117207][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.117419][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.117627][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.117832][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.118031][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.118244][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.118457][   T12]  kthread (kernel/kthread.c:436)
[  321.118617][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.118860][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.119052][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.119251][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.119485][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.119677][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.119880][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.122067][   T12] ------------[ cut here ]------------
| [  321.122256][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.122624][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.123295][   T12] Tainted: [W]=WARN
[  321.123459][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.123843][   T12] Workqueue: netns cleanup_net
[  321.124036][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.124347][   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
[  321.124907][   T12] RSP: 0018:ffa00000000c7450 EFLAGS: 00010286
[  321.125144][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bfb2740 RCX: 1ff4000000018e50
[  321.125415][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bfb27fc
[  321.125681][   T12] RBP: ff110000059c4000 R08: 1fe22000017f6501 R09: ff11000001aed1d0
[  321.125948][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  321.126215][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  321.126484][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.126823][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.127048][   T12] CR2: 00007f4a7be70310 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.127315][   T12] PKRU: 55555554
[  321.127475][   T12] Call Trace:
[  321.127628][   T12]  <TASK>
[  321.127763][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.127977][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  321.128186][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.128379][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  321.128576][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  321.128787][   T12]  vlan_dev_inherit_address (net/8021q/vlan_dev.c:259 net/8021q/vlan_dev.c:252)
[  321.128977][   T12]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  321.129173][   T12]  vlan_device_event (net/8021q/vlan.c:300 net/8021q/vlan.c:441)
[  321.129371][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.129590][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.129795][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.129984][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.130186][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.130406][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  321.130601][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  321.130805][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.130992][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  321.131190][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  321.131379][   T12]  br_del_if (net/bridge/br_if.c:735)
[  321.131544][   T12]  br_device_event (net/bridge/br.c:127)
[  321.131746][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.131936][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.132140][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.132365][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.132592][   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)
[  321.132796][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.132983][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.133216][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.133408][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.133609][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.133831][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.134020][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.134222][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.134412][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.134607][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.134812][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.135004][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.135202][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.135395][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.135601][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.135805][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.136000][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.136201][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.136429][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.136634][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.136837][   T12]  kthread (kernel/kthread.c:436)
[  321.136992][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.137227][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.137416][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.137613][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.137852][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.138038][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.138238][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.140347][   T12] ------------[ cut here ]------------
| [  321.140559][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.140906][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.141562][   T12] Tainted: [W]=WARN
[  321.142798][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.143161][   T12] Workqueue: netns cleanup_net
[  321.143410][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.143736][   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
[  321.144396][   T12] RSP: 0018:ffa00000000c7450 EFLAGS: 00010286
[  321.144761][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c35b540 RCX: 1ff4000000018e50
[  321.145181][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c35b5fc
[  321.145563][   T12] RBP: ff11000010189000 R08: 1fe220000186b6c1 R09: ff11000001aed1d0
[  321.145916][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  321.146237][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  321.146571][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.146930][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.147238][   T12] CR2: 00007f4a7be70310 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.147602][   T12] PKRU: 55555554
[  321.147827][   T12] Call Trace:
[  321.148033][   T12]  <TASK>
[  321.148222][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.148548][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  321.148811][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.149058][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  321.149309][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  321.149570][   T12]  vlan_dev_inherit_address (net/8021q/vlan_dev.c:259 net/8021q/vlan_dev.c:252)
[  321.149866][   T12]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  321.150403][   T12]  vlan_device_event (net/8021q/vlan.c:300 net/8021q/vlan.c:441)
[  321.150657][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.150937][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.151193][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.151454][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.151706][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.152055][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  321.152316][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  321.152575][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.152841][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  321.153112][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  321.153360][   T12]  br_del_if (net/bridge/br_if.c:735)
[  321.153582][   T12]  br_device_event (net/bridge/br.c:127)
[  321.153873][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.154131][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.154378][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.154690][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.154991][   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)
[  321.155256][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.155549][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.155809][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.155997][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.156201][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.156390][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.156593][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.156802][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.156994][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.157205][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.157399][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.157600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.157803][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.158040][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.158241][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.158433][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.158636][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.158837][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.159029][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.159235][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.159426][   T12]  kthread (kernel/kthread.c:436)
[  321.159590][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.159825][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.160014][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.160215][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.160436][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.160635][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.160840][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.163220][   T12] ------------[ cut here ]------------
| [  321.163393][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.163708][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.164327][   T12] Tainted: [W]=WARN
[  321.164489][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.164970][   T12] Workqueue: netns cleanup_net
[  321.165225][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.165508][   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
[  321.166100][   T12] RSP: 0018:ffa00000000c75c8 EFLAGS: 00010286
[  321.166373][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b9eb540 RCX: 1ff4000000018e7f
[  321.166673][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9eb5fc
[  321.166984][   T12] RBP: ff1100000e9d2000 R08: 1fe220000173d6c1 R09: ff11000001aed1d0
[  321.167290][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  321.167595][   T12] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[  321.167925][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.168270][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.168572][   T12] CR2: 00007f4a7be70310 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.168918][   T12] PKRU: 55555554
[  321.169138][   T12] Call Trace:
[  321.169341][   T12]  <TASK>
[  321.169557][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.169807][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  321.170054][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.170303][   T12]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  321.170586][   T12]  ? netdev_change_features (net/core/dev.c:11117)
[  321.170856][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  321.171110][   T12]  br_del_if (net/bridge/br_if.c:737)
[  321.171317][   T12]  br_device_event (net/bridge/br.c:127)
[  321.171570][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.171826][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.172082][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.172362][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.172678][   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)
[  321.172927][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.173169][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.173447][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.173692][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.173943][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.174190][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.174466][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.174656][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.174857][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.175045][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.175247][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.175473][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.175681][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.175894][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.176083][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.176278][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.176474][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.176661][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.176865][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.177057][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.177250][   T12]  kthread (kernel/kthread.c:436)
[  321.177403][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.177633][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.177837][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.178022][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.178281][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.178503][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.178780][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.180913][   T12] ------------[ cut here ]------------
| [  321.181133][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.181460][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.182730][   T12] Tainted: [W]=WARN
[  321.182952][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.183240][   T12] Workqueue: netns cleanup_net
[  321.183496][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.183798][   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
[  321.184420][   T12] RSP: 0018:ffa00000000c73d8 EFLAGS: 00010286
[  321.184705][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd38900 RCX: 1ff4000000018e41
[  321.185024][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd389bc
[  321.185342][   T12] RBP: ff110000059c4000 R08: 1fe22000019a7139 R09: ff11000001aed1d0
[  321.185697][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  321.186021][   T12] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[  321.186344][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.186707][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.187055][   T12] CR2: 00007f4a7be70310 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.187374][   T12] PKRU: 55555554
[  321.187586][   T12] Call Trace:
[  321.187803][   T12]  <TASK>
[  321.187977][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.188230][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  321.188481][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.188773][   T12]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[  321.189016][   T12]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[  321.189303][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.189582][   T12]  vlan_device_event (net/8021q/vlan.c:339 net/8021q/vlan.c:457)
[  321.189842][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.190091][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.190338][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.190590][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.190851][   T12]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  321.191145][   T12]  ? netdev_change_features (net/core/dev.c:11117)
[  321.191388][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  321.191638][   T12]  br_del_if (net/bridge/br_if.c:737)
[  321.191861][   T12]  br_device_event (net/bridge/br.c:127)
[  321.192119][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.192364][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.192618][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.192944][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.193243][   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)
[  321.193492][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.193786][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.194049][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.194246][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.194449][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.194661][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.194871][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.195061][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.195260][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.195467][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.195661][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.195865][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.196065][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.196267][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.196462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.196653][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.196858][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.197044][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.197271][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.197485][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.197678][   T12]  kthread (kernel/kthread.c:436)
[  321.197869][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.198115][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.198307][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.198503][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.198740][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.198932][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.199140][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.201273][   T12] ------------[ cut here ]------------
| [  321.201465][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.201816][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.202471][   T12] Tainted: [W]=WARN
[  321.202626][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.203224][   T12] Workqueue: netns cleanup_net
[  321.203484][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.203789][   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
[  321.204385][   T12] RSP: 0018:ffa00000000c73d8 EFLAGS: 00010286
[  321.204735][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd39540 RCX: 1ff4000000018e41
[  321.205049][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd395fc
[  321.205376][   T12] RBP: ff11000010189000 R08: 1fe22000019a72c1 R09: ff11000001aed1d0
[  321.205781][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  321.206126][   T12] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[  321.206435][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.206802][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.207080][   T12] CR2: 00007f4a7be70310 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.207400][   T12] PKRU: 55555554
[  321.207620][   T12] Call Trace:
[  321.207843][   T12]  <TASK>
[  321.208021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.208303][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  321.208555][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.208815][   T12]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[  321.209086][   T12]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[  321.209371][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.209627][   T12]  vlan_device_event (net/8021q/vlan.c:339 net/8021q/vlan.c:457)
[  321.209886][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.210143][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.210387][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.210611][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.210816][   T12]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  321.211041][   T12]  ? netdev_change_features (net/core/dev.c:11117)
[  321.211254][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[  321.211476][   T12]  br_del_if (net/bridge/br_if.c:737)
[  321.211659][   T12]  br_device_event (net/bridge/br.c:127)
[  321.211884][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.212080][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.212278][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.212510][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.212742][   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)
[  321.212929][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.213122][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.213343][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.213583][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.213790][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.213997][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.214195][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.214381][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.214592][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.214791][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.214979][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.215179][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.215363][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.215562][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.215771][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.215959][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.216162][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.216347][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.216564][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.216771][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.216975][   T12]  kthread (kernel/kthread.c:436)
[  321.217138][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.217356][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.217553][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.217753][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.217974][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.218196][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.218394][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.220518][   T12] ------------[ cut here ]------------
| [  321.220685][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.220987][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.221581][   T12] Tainted: [W]=WARN
[  321.221741][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.221942][   T12] Workqueue: netns cleanup_net
[  321.222147][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.222361][   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
[  321.222890][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.223094][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd39380 RCX: 1ff4000000018ed5
[  321.223327][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd3943c
[  321.223568][   T12] RBP: ff1100000e9fc000 R08: 1fe22000019a7289 R09: ff11000001aed1d0
[  321.223869][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  321.224156][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.224436][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.224778][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.225038][   T12] CR2: 00007f4a7be70310 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.225354][   T12] PKRU: 55555554
[  321.225555][   T12] Call Trace:
[  321.225782][   T12]  <TASK>
[  321.225945][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.226209][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.226466][   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)
[  321.226710][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.226987][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.227250][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.227480][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.227740][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.227960][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.228203][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.228421][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.228650][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.228906][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.229156][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.229380][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.229604][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.229841][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.230058][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.230295][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.230543][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.230811][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.231033][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.231273][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.231499][   T12]  kthread (kernel/kthread.c:436)
[  321.231689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.231950][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.232175][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.232410][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.232700][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.232900][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.233071][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.236048][   T12] ------------[ cut here ]------------
| [  321.236237][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.236530][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.237354][   T12] Tainted: [W]=WARN
[  321.237554][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.237871][   T12] Workqueue: netns cleanup_net
[  321.238121][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.238381][   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
[  321.238942][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.239210][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e3703c0 RCX: 1ff4000000018ed5
[  321.239504][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e37047c
[  321.239838][   T12] RBP: ff1100000a0cc000 R08: 1fe2200001c6e091 R09: ff11000001aed1d0
[  321.240131][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  321.240417][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.240765][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.241079][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.241373][   T12] CR2: 00007f4a7be70310 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.241672][   T12] PKRU: 55555554
[  321.241874][   T12] Call Trace:
[  321.242062][   T12]  <TASK>
[  321.242231][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.242502][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.242790][   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)
[  321.243009][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.243239][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  321.243501][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.243740][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.243960][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.244191][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.244415][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.244644][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.244879][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.245108][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.245331][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.245598][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.245805][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.245978][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.246164][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.246339][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.246522][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.246696][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.246888][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.247086][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.247291][   T12]  kthread (kernel/kthread.c:436)
[  321.247449][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.247651][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.247838][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.248011][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.248225][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.248424][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.248607][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.285189][   T12] ------------[ cut here ]------------
| [  321.285397][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.285751][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.286369][   T12] Tainted: [W]=WARN
[  321.286524][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.286762][   T12] Workqueue: netns cleanup_net
[  321.286961][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.287198][   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
[  321.287750][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  321.288124][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e370ac0 RCX: 1ff4000000018ebc
[  321.288371][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e370b7c
[  321.288637][   T12] RBP: ff11000011d82000 R08: 1fe2200001c6e171 R09: ff11000001aed1d0
[  321.288900][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  321.289162][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.289411][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.289703][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.289935][   T12] CR2: 00007f4a7be70310 CR3: 000000004af4d002 CR4: 0000000000771ef0
[  321.290198][   T12] PKRU: 55555554
[  321.290346][   T12] Call Trace:
[  321.290502][   T12]  <TASK>
[  321.290622][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.290822][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.291002][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  321.291203][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  321.291389][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  321.291581][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  321.291779][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.291963][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  321.292159][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  321.292345][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  321.292542][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.292738][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  321.292922][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  321.293108][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  321.293295][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  321.293457][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  321.293658][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  321.293856][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  321.294043][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.294239][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.295099][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.295302][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.295514][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.295709][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.295929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.296119][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.296312][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.296504][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.296693][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.296895][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.297081][   T12]  kthread (kernel/kthread.c:436)
[  321.297240][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.297461][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.297650][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.297868][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.298087][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.298278][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.298469][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.303898][   T12] ------------[ cut here ]------------
| [  321.304050][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.304344][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.305102][   T12] Tainted: [W]=WARN
[  321.305202][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.305367][   T12] Workqueue: netns cleanup_net
[  321.305506][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.305675][   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
[  321.306147][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  321.306309][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e370c80 RCX: 1ff4000000018ec0
[  321.306511][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e370d3c
[  321.306702][   T12] RBP: ff11000011d82000 R08: 1fe2200001c6e1a9 R09: ff11000001aed1d0
[  321.306901][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  321.307095][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  321.307287][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.307518][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.307681][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.307890][   T12] PKRU: 55555554
[  321.307986][   T12] Call Trace:
[  321.308087][   T12]  <TASK>
[  321.308159][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.308292][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  321.308422][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.308559][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  321.308689][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  321.308857][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[  321.308986][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  321.309120][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  321.309248][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  321.309411][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[  321.309546][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.309678][   T12]  del_nbp (net/bridge/br_if.c:363)
[  321.309784][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  321.309912][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  321.310042][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  321.310178][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.310306][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.310443][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.310572][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.310700][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.310837][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.310965][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.311102][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.311234][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.311365][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.311525][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.311657][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.311791][   T12]  kthread (kernel/kthread.c:436)
[  321.311888][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.312047][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.312181][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.312312][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.312529][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.312657][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.312792][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.316327][   T12] ------------[ cut here ]------------
| [  321.316489][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.316778][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.317290][   T12] Tainted: [W]=WARN
[  321.317390][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.317562][   T12] Workqueue: netns cleanup_net
[  321.317698][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.317877][   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
[  321.318349][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  321.318517][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ecd5a80 RCX: 1ff4000000018ebc
[  321.318721][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ecd5b3c
[  321.318917][   T12] RBP: ff11000007912000 R08: 1fe2200001d9ab69 R09: ff11000001aed1d0
[  321.319116][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[  321.319311][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.319514][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.319756][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.319921][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.320123][   T12] PKRU: 55555554
[  321.320221][   T12] Call Trace:
[  321.320319][   T12]  <TASK>
[  321.320389][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.320529][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.320631][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  321.320770][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  321.320901][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  321.321047][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  321.321185][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.321317][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  321.321453][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  321.321588][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  321.321725][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.321857][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  321.321988][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  321.322125][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  321.322257][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  321.322358][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  321.322495][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  321.322631][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  321.322767][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.322898][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.323030][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.323166][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.323297][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.323429][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.323567][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.323700][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.323841][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.323972][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.324113][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.324250][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.324380][   T12]  kthread (kernel/kthread.c:436)
[  321.324482][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.324646][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.324783][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.324914][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.325091][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.325223][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.325354][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.327272][   T12] ------------[ cut here ]------------
| [  321.327400][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.327680][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.328184][   T12] Tainted: [W]=WARN
[  321.328281][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.328446][   T12] Workqueue: netns cleanup_net
[  321.328580][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.329267][   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
[  321.329788][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  321.329948][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ecd5e00 RCX: 1ff4000000018ec0
[  321.330149][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ecd5ebc
[  321.330356][   T12] RBP: ff11000007912000 R08: 1fe2200001d9abd9 R09: ff11000001aed1d0
[  321.330555][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  321.330803][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  321.330996][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.331225][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.331445][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.331638][   T12] PKRU: 55555554
[  321.331809][   T12] Call Trace:
[  321.331906][   T12]  <TASK>
[  321.331974][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.332108][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  321.332238][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.332369][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  321.332505][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  321.332668][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[  321.332851][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  321.332983][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  321.333119][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  321.333281][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[  321.333411][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.333549][   T12]  del_nbp (net/bridge/br_if.c:363)
[  321.333650][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  321.333833][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  321.333962][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  321.334097][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.334226][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.334358][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.334538][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.334667][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.334852][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.334982][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.335119][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.335254][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.335382][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.335521][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.335656][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.335838][   T12]  kthread (kernel/kthread.c:436)
[  321.335936][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.336098][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.336230][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.336360][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.336528][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.336657][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.336839][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.339851][   T12] ------------[ cut here ]------------
| [  321.339988][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.340242][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.340742][   T12] Tainted: [W]=WARN
[  321.340838][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.341000][   T12] Workqueue: netns cleanup_net
[  321.341137][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.341301][   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
[  321.341770][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[  321.341929][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ecd51c0 RCX: 1ff4000000018ec7
[  321.342120][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ecd527c
[  321.342307][   T12] RBP: ff11000011d82000 R08: 1fe2200001d9aa51 R09: ff11000001aed1d0
[  321.342498][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  321.342685][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9d2000
[  321.342881][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.343105][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.343277][   T12] CR2: 000055dc46716ee8 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.343469][   T12] PKRU: 55555554
[  321.343562][   T12] Call Trace:
[  321.343655][   T12]  <TASK>
[  321.343775][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.343912][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.344007][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.344139][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.344265][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.344423][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.344585][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.344711][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.344874][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.345000][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.345132][   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)
[  321.345257][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.345381][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.345518][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.345648][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.345777][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.345905][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.346031][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.346158][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.346284][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.346407][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.346540][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.346670][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.346801][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.346931][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.347061][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.347190][   T12]  kthread (kernel/kthread.c:436)
[  321.347285][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.347447][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.347574][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.347699][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.347864][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.347988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.348138][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.350287][   T12] ------------[ cut here ]------------
| [  321.350413][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.350668][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.351153][   T12] Tainted: [W]=WARN
[  321.351253][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.351409][   T12] Workqueue: netns cleanup_net
[  321.351548][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.351709][   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
[  321.352163][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[  321.352319][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e375e00 RCX: 1ff4000000018ec7
[  321.352510][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e375ebc
[  321.352698][   T12] RBP: ff1100000e9d2000 R08: 1fe2200001c6ebd9 R09: ff11000001aed1d0
[  321.352894][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  321.353086][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007912000
[  321.353272][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.353514][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.353671][   T12] CR2: 000055dc46716ee8 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.353865][   T12] PKRU: 55555554
[  321.353959][   T12] Call Trace:
[  321.354052][   T12]  <TASK>
[  321.354123][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.354248][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.354373][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.354480][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.354608][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.354740][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.354899][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.355057][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.355185][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.355340][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.355470][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.355599][   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)
[  321.355728][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.355855][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.355982][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.356113][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.356237][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.356364][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.356493][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.356618][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.356750][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.356875][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.357000][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.357132][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.357257][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.357386][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.357521][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.357649][   T12]  kthread (kernel/kthread.c:436)
[  321.357750][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.357904][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.358028][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.358154][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.358309][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.358432][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.358565][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.360523][   T12] ------------[ cut here ]------------
| [  321.360652][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.360916][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.361412][   T12] Tainted: [W]=WARN
[  321.361533][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.361703][   T12] Workqueue: netns cleanup_net
[  321.361843][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.362010][   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
[  321.362481][   T12] RSP: 0018:ffa00000000c75d0 EFLAGS: 00010286
[  321.362644][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b4d9a80 RCX: 1ff4000000018e80
[  321.362845][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4d9b3c
[  321.363036][   T12] RBP: ff11000010189000 R08: 1fe220000169b369 R09: ff11000001aed1d0
[  321.363233][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  321.363424][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000059c4000
[  321.363642][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.363878][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.364039][   T12] CR2: 000055dc46716ee8 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.364239][   T12] PKRU: 55555554
[  321.364336][   T12] Call Trace:
[  321.364433][   T12]  <TASK>
[  321.364506][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.364636][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.364739][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.364869][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.364999][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.365135][   T12]  vlan_device_event (net/8021q/vlan.c:475)
[  321.365267][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.365400][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.365536][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.365665][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.365803][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.365935][   T12]  netif_close_many (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1805)
[  321.366067][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.366203][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.366365][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.366537][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.366667][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.366835][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.366965][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.367098][   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)
[  321.367229][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.367361][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.367500][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.367638][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.367774][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.367906][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.368042][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.368176][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.368308][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.368443][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.368575][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.368710][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.368846][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.368981][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.369120][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.369249][   T12]  kthread (kernel/kthread.c:436)
[  321.369347][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.369513][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.369645][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.369784][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.369946][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.370077][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.370211][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.372221][   T12] ------------[ cut here ]------------
| [  321.372351][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.372613][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.374123][   T12] Tainted: [W]=WARN
[  321.374222][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.374386][   T12] Workqueue: netns cleanup_net
[  321.374527][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.374698][   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
[  321.375254][   T12] RSP: 0018:ffa00000000c75d0 EFLAGS: 00010286
[  321.375418][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7cc3c0 RCX: 1ff4000000018e80
[  321.375623][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7cc47c
[  321.375876][   T12] RBP: ff110000059c4000 R08: 1fe22000016f9891 R09: ff11000001aed1d0
[  321.376071][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  321.376270][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c7670
[  321.376473][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.376700][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.376917][   T12] CR2: 000055dc46716ee8 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.377120][   T12] PKRU: 55555554
[  321.377217][   T12] Call Trace:
[  321.377319][   T12]  <TASK>
[  321.377387][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.377526][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.377658][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.377811][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.377942][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.378073][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.378211][   T12]  vlan_device_event (net/8021q/vlan.c:475)
[  321.378344][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.378482][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.378614][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.378812][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.378947][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.379089][   T12]  netif_close_many (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1805)
[  321.379221][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.379353][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.379524][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.379688][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.379872][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.380033][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.380169][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.380300][   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)
[  321.380432][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.380567][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.380706][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.380890][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.381019][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.381159][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.381289][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.381418][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.381580][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.381768][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.381900][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.382034][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.382170][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.382304][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.382444][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.382586][   T12]  kthread (kernel/kthread.c:436)
[  321.382689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.382906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.383038][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.383174][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.383337][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.383472][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.383603][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.390013][   T12] ------------[ cut here ]------------
| [  321.390153][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.390410][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.390906][   T12] Tainted: [W]=WARN
[  321.391005][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.391167][   T12] Workqueue: netns cleanup_net
[  321.391322][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.391491][   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
[  321.391950][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[  321.392115][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b1a7a80 RCX: 1ff4000000018ec7
[  321.392305][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b1a7b3c
[  321.392501][   T12] RBP: ff11000007912000 R08: 1fe2200001634f69 R09: ff11000001aed1d0
[  321.392691][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  321.392889][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011ee2000
[  321.393085][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.393310][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.393498][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.393686][   T12] PKRU: 55555554
[  321.393785][   T12] Call Trace:
[  321.393878][   T12]  <TASK>
[  321.393946][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.394072][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.394202][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.394298][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.394424][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.394556][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.394712][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.394875][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.395002][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.395164][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.395289][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.395414][   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)
[  321.395546][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.395672][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.395812][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.395941][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.396066][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.396200][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.396326][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.396454][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.396581][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.396706][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.396839][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.396969][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.397097][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.397227][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.397361][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.397491][   T12]  kthread (kernel/kthread.c:436)
[  321.397586][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.397825][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.398017][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.398148][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.398302][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.398429][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.398563][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.400561][   T12] ------------[ cut here ]------------
| [  321.400684][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.400934][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.401444][   T12] Tainted: [W]=WARN
[  321.401538][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.401694][   T12] Workqueue: netns cleanup_net
[  321.401828][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.401994][   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
[  321.402449][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[  321.402605][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b1a6c80 RCX: 1ff4000000018ec7
[  321.402823][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b1a6d3c
[  321.403010][   T12] RBP: ff11000011ee2000 R08: 1fe2200001634da9 R09: ff11000001aed1d0
[  321.403199][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  321.403386][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[  321.403579][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.403807][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.403970][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.404161][   T12] PKRU: 55555554
[  321.404253][   T12] Call Trace:
[  321.404347][   T12]  <TASK>
[  321.404412][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.404540][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.404667][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.404768][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.404893][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.405018][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.405181][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.405336][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.405466][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.405624][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.405757][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.405882][   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)
[  321.406005][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.406136][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.406267][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.406393][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.406523][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.406651][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.406783][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.406908][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.407039][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.407169][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.407294][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.407421][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.407552][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.407681][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.407819][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.407943][   T12]  kthread (kernel/kthread.c:436)
[  321.408038][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.408199][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.408323][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.408458][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.408614][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.408743][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.408873][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.410723][   T12] ------------[ cut here ]------------
| [  321.410855][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.411111][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.411619][   T12] Tainted: [W]=WARN
[  321.411721][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.411883][   T12] Workqueue: netns cleanup_net
[  321.412016][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.412189][   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
[  321.412658][   T12] RSP: 0018:ffa00000000c75d0 EFLAGS: 00010286
[  321.413326][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fa743c0 RCX: 1ff4000000018e80
[  321.413526][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa7447c
[  321.413772][   T12] RBP: ff11000009bfc000 R08: 1fe2200001f4e891 R09: ff11000001aed1d0
[  321.413967][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  321.414165][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f53c000
[  321.414359][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.414590][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.414808][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.415060][   T12] PKRU: 55555554
[  321.415160][   T12] Call Trace:
[  321.415257][   T12]  <TASK>
[  321.415325][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.415461][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.415562][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.415691][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.415874][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.416006][   T12]  vlan_device_event (net/8021q/vlan.c:475)
[  321.416142][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.416272][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.416400][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.416536][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.416670][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.416857][   T12]  netif_close_many (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1805)
[  321.416987][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.417121][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.417282][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.417448][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.417581][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.417801][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.417932][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.418062][   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)
[  321.418196][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.418325][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.418462][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.418597][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.418775][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.418910][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.419039][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.419174][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.419304][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.419439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.419571][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.419704][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.419885][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.420019][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.420158][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.420289][   T12]  kthread (kernel/kthread.c:436)
[  321.420387][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.420557][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.420687][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.420870][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.421031][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.421166][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.421295][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.423256][   T12] ------------[ cut here ]------------
| [  321.423400][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.423658][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.424160][   T12] Tainted: [W]=WARN
[  321.424259][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.424421][   T12] Workqueue: netns cleanup_net
[  321.424561][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.424738][   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
[  321.425205][   T12] RSP: 0018:ffa00000000c75d0 EFLAGS: 00010286
[  321.425370][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fa74e40 RCX: 1ff4000000018e80
[  321.425568][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa74efc
[  321.425767][   T12] RBP: ff1100000f53c000 R08: 1fe2200001f4e9e1 R09: ff11000001aed1d0
[  321.425960][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  321.426154][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c7670
[  321.426349][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.426579][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.426754][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.426950][   T12] PKRU: 55555554
[  321.427047][   T12] Call Trace:
[  321.427148][   T12]  <TASK>
[  321.427216][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.427345][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.427479][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.427578][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.427708][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.427847][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.427978][   T12]  vlan_device_event (net/8021q/vlan.c:475)
[  321.428114][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.428249][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.428388][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.428526][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.428659][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.428795][   T12]  netif_close_many (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1805)
[  321.428931][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.429060][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.429224][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.429388][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.429525][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.429685][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.429823][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.429953][   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)
[  321.430086][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.430215][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.430346][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.430481][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.430610][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.430749][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.430876][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.431007][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.431140][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.431268][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.431399][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.431538][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.431667][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.431808][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.431941][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.432069][   T12]  kthread (kernel/kthread.c:436)
[  321.432170][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.432330][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.432465][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.432595][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.432762][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.432889][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.433017][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.435245][   T12] ------------[ cut here ]------------
| [  321.435367][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.435646][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.436117][   T12] Tainted: [W]=WARN
[  321.436208][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.436358][   T12] Workqueue: netns cleanup_net
[  321.436487][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.436642][   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
[  321.437078][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.437231][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ec66040 RCX: 1ff4000000018eed
[  321.437409][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ec660fc
[  321.437593][   T12] RBP: ff1100000f954000 R08: 1fe2200001d8cc21 R09: ff11000001aed1d0
[  321.437777][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.437955][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.438139][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.438346][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.438503][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.438684][   T12] PKRU: 55555554
[  321.438779][   T12] Call Trace:
[  321.438868][   T12]  <TASK>
[  321.438930][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.439091][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.439242][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.439361][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.439487][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.439609][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.439735][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.439859][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.439978][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.440106][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.440226][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.440344][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.440471][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.440590][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.440712][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.440841][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.440964][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.441095][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.441219][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.441338][   T12]  kthread (kernel/kthread.c:436)
[  321.441430][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.441583][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.441705][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.441831][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.441978][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.442110][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.442235][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.448357][   T12] ------------[ cut here ]------------
| [  321.448493][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.449230][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.449695][   T12] Tainted: [W]=WARN
[  321.449832][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.449981][   T12] Workqueue: netns cleanup_net
[  321.450114][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.450269][   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
[  321.450699][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.450899][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f898c80 RCX: 1ff4000000018eed
[  321.451083][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f898d3c
[  321.451261][   T12] RBP: ff1100000e984000 R08: 1fe2200001f131a9 R09: ff11000001aed1d0
[  321.451444][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.451625][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.451857][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.452066][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.452220][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.452399][   T12] PKRU: 55555554
[  321.452493][   T12] Call Trace:
[  321.452584][   T12]  <TASK>
[  321.452648][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.452853][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.453005][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.453132][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.453253][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.453372][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.453504][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.453629][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.453798][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.453923][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.454044][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.454169][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.454292][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.454411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.454537][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.454663][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.454828][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.454953][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.455086][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.455210][   T12]  kthread (kernel/kthread.c:436)
[  321.455304][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.455464][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.455586][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.455706][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.455910][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.456031][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.456156][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.460022][   T12] ------------[ cut here ]------------
| [  321.460149][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.460382][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.460855][   T12] Tainted: [W]=WARN
[  321.460947][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.461102][   T12] Workqueue: netns cleanup_net
[  321.461227][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.461384][   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
[  321.461827][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.461983][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f898580 RCX: 1ff4000000018eed
[  321.462173][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f89863c
[  321.462358][   T12] RBP: ff1100000fa41000 R08: 1fe2200001f130c9 R09: ff11000001aed1d0
[  321.462541][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.462725][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.462906][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.463120][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.463271][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.463458][   T12] PKRU: 55555554
[  321.463548][   T12] Call Trace:
[  321.463642][   T12]  <TASK>
[  321.463704][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.463867][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.464018][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.464144][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.464265][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.464390][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.464519][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.464641][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.465255][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.465383][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.465510][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.465630][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.465800][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.465926][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.466050][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.466179][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.466302][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.466430][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.466565][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.466685][   T12]  kthread (kernel/kthread.c:436)
[  321.466826][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.467024][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.467150][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.467272][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.467426][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.467557][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.467678][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.470097][   T12] ------------[ cut here ]------------
| [  321.470220][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.470468][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.470935][   T12] Tainted: [W]=WARN
[  321.471028][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.471185][   T12] Workqueue: netns cleanup_net
[  321.471310][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.471471][   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
[  321.471910][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.472067][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f898740 RCX: 1ff4000000018eed
[  321.472256][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8987fc
[  321.472441][   T12] RBP: ff1100000f879000 R08: 1fe2200001f13101 R09: ff11000001aed1d0
[  321.472622][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.472861][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.473048][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.473264][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.473419][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.473608][   T12] PKRU: 55555554
[  321.473766][   T12] Call Trace:
[  321.473891][   T12]  <TASK>
[  321.473958][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.474160][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.474309][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.474429][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.474558][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.474679][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.474851][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.474973][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.475106][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.475231][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.475353][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.475476][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.475598][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.475769][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.475891][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.476015][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.476141][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.476266][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.476391][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.476516][   T12]  kthread (kernel/kthread.c:436)
[  321.476609][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.476808][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.476933][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.477058][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.477211][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.477333][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.477458][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.480343][   T12] ------------[ cut here ]------------
| [  321.480472][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.480712][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.481180][   T12] Tainted: [W]=WARN
[  321.481271][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.481421][   T12] Workqueue: netns cleanup_net
[  321.481551][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.481710][   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
[  321.482195][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.482351][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa31e00 RCX: 1ff4000000018eed
[  321.482536][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa31ebc
[  321.482761][   T12] RBP: ff1100000f884000 R08: 1fe22000015463d9 R09: ff11000001aed1d0
[  321.482940][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.483122][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.483305][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.483523][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.483674][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.483902][   T12] PKRU: 55555554
[  321.483991][   T12] Call Trace:
[  321.484093][   T12]  <TASK>
[  321.484159][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.484360][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.484527][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.484648][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.484820][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.484941][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.485065][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.485193][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.485315][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.485444][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.485566][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.485701][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.485870][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.485990][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.486127][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.486250][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.486372][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.486502][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.486627][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.486798][   T12]  kthread (kernel/kthread.c:436)
[  321.486890][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.487039][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.487164][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.487287][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.487444][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.487568][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.487693][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.494383][   T12] ------------[ cut here ]------------
| [  321.494732][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.494983][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.495464][   T12] Tainted: [W]=WARN
[  321.495558][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.495709][   T12] Workqueue: netns cleanup_net
[  321.495841][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.495997][   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
[  321.496477][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.496630][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa30e40 RCX: 1ff4000000018eed
[  321.496816][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa30efc
[  321.497001][   T12] RBP: ff11000011d82000 R08: 1fe22000015461e1 R09: ff11000001aed1d0
[  321.497194][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  321.497373][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.497564][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.497808][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.497961][   T12] CR2: 0000555b82bc42b8 CR3: 000000000a17d003 CR4: 0000000000771ef0
[  321.498148][   T12] PKRU: 55555554
[  321.498239][   T12] Call Trace:
[  321.498328][   T12]  <TASK>
[  321.498390][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.498550][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.498698][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.498827][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.498949][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.499068][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.499196][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.499318][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.499440][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.499564][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.499684][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.499811][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.499932][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.500051][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.500177][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.500301][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.500423][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.500553][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.500678][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.500806][   T12]  kthread (kernel/kthread.c:436)
[  321.500896][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.501045][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.501171][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.501292][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.501511][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.501634][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.501758][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.504494][   T12] ------------[ cut here ]------------
| [  321.504633][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.505189][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.505668][   T12] Tainted: [W]=WARN
[  321.505865][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.506023][   T12] Workqueue: netns cleanup_net
[  321.506156][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.506316][   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
[  321.506867][   T12] RSP: 0018:ffa00000000c7698 EFLAGS: 00010286
[  321.507025][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa311c0 RCX: 1ff4000000018e99
[  321.507230][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa3127c
[  321.507519][   T12] RBP: ff110000059c4000 R08: 1fe2200001546251 R09: ff11000001aed1d0
[  321.507712][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  321.507995][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.508184][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.508400][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.508562][   T12] CR2: 0000555b82bc42b8 CR3: 000000000a17d003 CR4: 0000000000771ef0
[  321.508855][   T12] PKRU: 55555554
[  321.508948][   T12] Call Trace:
[  321.509040][   T12]  <TASK>
[  321.509110][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.509283][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.509444][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.509569][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.509692][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  321.509887][   T12]  vlan_device_event (net/8021q/vlan.c:515)
[  321.510014][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.510145][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.510269][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.510396][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.510529][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.510687][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.510850][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.510974][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.511105][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.511229][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.511357][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.511491][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.511615][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.511748][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.511875][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.511998][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.512126][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.512249][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.512375][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.512509][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.512633][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.512769][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.512898][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.513022][   T12]  kthread (kernel/kthread.c:436)
[  321.513120][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.513275][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.513401][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.513532][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.513690][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.513819][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.513944][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.516274][   T12] ------------[ cut here ]------------
| [  321.516401][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.516647][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.517670][   T12] Tainted: [W]=WARN
[  321.517819][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.517973][   T12] Workqueue: netns cleanup_net
[  321.518107][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.518266][   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
[  321.518774][   T12] RSP: 0018:ffa00000000c7698 EFLAGS: 00010286
[  321.518929][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa31000 RCX: 1ff4000000018e99
[  321.519119][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa310bc
[  321.519304][   T12] RBP: ff11000010189000 R08: 1fe2200001546219 R09: ff11000001aed1d0
[  321.519494][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  321.519680][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.519917][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.520138][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.520293][   T12] CR2: 0000555b82bc42b8 CR3: 000000000a17d003 CR4: 0000000000771ef0
[  321.520509][   T12] PKRU: 55555554
[  321.520609][   T12] Call Trace:
[  321.520702][   T12]  <TASK>
[  321.520817][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.520976][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.521135][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.521259][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.521383][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  321.521563][   T12]  vlan_device_event (net/8021q/vlan.c:515)
[  321.521687][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.521861][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.521984][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.522120][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.522247][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.522404][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.522562][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.522686][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.522861][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.522986][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.523117][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.523243][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.523366][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.523500][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.523625][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.523798][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.523925][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.524047][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.524178][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.524308][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.524443][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.524572][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.524700][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.524875][   T12]  kthread (kernel/kthread.c:436)
[  321.524969][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.525124][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.525247][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.525371][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.525532][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.525662][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.525835][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.528034][   T12] ------------[ cut here ]------------
| [  321.528211][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.528503][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.529071][   T12] Tainted: [W]=WARN
[  321.529221][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.529419][   T12] Workqueue: netns cleanup_net
[  321.529601][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.529821][   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
[  321.530315][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.530522][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa31540 RCX: 1ff4000000018eed
[  321.530771][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa315fc
[  321.530997][   T12] RBP: ff1100000e9d2000 R08: 1fe22000015462c1 R09: ff11000001aed1d0
[  321.531238][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  321.531473][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.531703][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.532007][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.532224][   T12] CR2: 000055f44875fc48 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.532468][   T12] PKRU: 55555554
[  321.532608][   T12] Call Trace:
[  321.532760][   T12]  <TASK>
[  321.532996][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.533210][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.533428][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.533611][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.533798][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.533967][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.534150][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.534322][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.534498][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.534673][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.534858][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.535026][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.535211][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.535380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.535560][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.535748][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.535919][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.536100][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.536277][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.536459][   T12]  kthread (kernel/kthread.c:436)
[  321.536612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.536843][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.537015][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.537210][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.537418][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.537597][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.537791][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.545624][   T12] ------------[ cut here ]------------
| [  321.545825][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.546114][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.546683][   T12] Tainted: [W]=WARN
[  321.546835][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.547037][   T12] Workqueue: netns cleanup_net
[  321.547222][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.547428][   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
[  321.547982][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.548262][   T12] RAX: 00000000ffffffa6 RBX: ff11000005134c80 RCX: 1ff4000000018eed
[  321.548546][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005134d3c
[  321.548835][   T12] RBP: ff11000008071000 R08: 1fe2200000a269a9 R09: ff11000001aed1d0
[  321.549116][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  321.549343][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.549623][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.549897][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.550099][   T12] CR2: 000055f44875fc48 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.550333][   T12] PKRU: 55555554
[  321.550481][   T12] Call Trace:
[  321.550626][   T12]  <TASK>
[  321.550753][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.550960][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.551171][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.551343][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.551526][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.551698][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.551887][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.552064][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.552243][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.552419][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.552601][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.552804][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.552980][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.553162][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.553340][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.553527][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.553699][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.553892][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.554069][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.554249][   T12]  kthread (kernel/kthread.c:436)
[  321.554392][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.554601][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.554791][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.554965][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.555175][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.555348][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.555529][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.558228][   T12] ------------[ cut here ]------------
| [  321.558400][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.558695][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.559778][   T12] Tainted: [W]=WARN
[  321.559974][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.560230][   T12] Workqueue: netns cleanup_net
[  321.560461][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.560731][   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
[  321.561287][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.561545][   T12] RAX: 00000000ffffffa6 RBX: ff11000005134740 RCX: 1ff4000000018eed
[  321.561821][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051347fc
[  321.562051][   T12] RBP: ff11000005ec1000 R08: 1fe2200000a26901 R09: ff11000001aed1d0
[  321.562290][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  321.562528][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.562770][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.563034][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.563248][   T12] CR2: 000055f44875fc48 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.563531][   T12] PKRU: 55555554
[  321.563673][   T12] Call Trace:
[  321.563828][   T12]  <TASK>
[  321.563942][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.564159][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.564394][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.564579][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.564766][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.564937][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.565114][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.565317][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.565531][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.565710][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.565898][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.566084][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.566266][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.566462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.566636][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.566825][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.566996][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.567185][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.567361][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.567546][   T12]  kthread (kernel/kthread.c:436)
[  321.567688][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.567904][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.568075][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.568256][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.568466][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.568638][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.568824][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.571497][   T12] ------------[ cut here ]------------
| [  321.571665][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.572653][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.573325][   T12] Tainted: [W]=WARN
[  321.573526][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.573782][   T12] Workqueue: netns cleanup_net
[  321.574006][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.574271][   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
[  321.574814][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.575061][   T12] RAX: 00000000ffffffa6 RBX: ff11000005134900 RCX: 1ff4000000018eed
[  321.575355][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051349bc
[  321.575635][   T12] RBP: ff1100000f7d4000 R08: 1fe2200000a26939 R09: ff11000001aed1d0
[  321.575924][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  321.576208][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.576491][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.576808][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.577052][   T12] CR2: 000055f44875fc48 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.577337][   T12] PKRU: 55555554
[  321.577527][   T12] Call Trace:
[  321.577711][   T12]  <TASK>
[  321.577923][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.578186][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.578439][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.578658][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.578943][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.579217][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.579505][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.579784][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.580046][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.580287][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.580464][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.580634][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.580827][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.580997][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.581179][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.581353][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.581531][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.581707][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.581899][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.582070][   T12]  kthread (kernel/kthread.c:436)
[  321.582225][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.582423][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.582602][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.582789][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.582988][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.583169][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.583373][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.585892][   T12] ------------[ cut here ]------------
| [  321.586084][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  321.586378][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.587271][   T12] Tainted: [W]=WARN
[  321.587507][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.587768][   T12] Workqueue: netns cleanup_net
[  321.588002][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.588285][   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
[  321.588831][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.589080][   T12] RAX: 00000000ffffffa6 RBX: ff11000005135c40 RCX: 1ff4000000018eed
[  321.589535][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005135cfc
[  321.589867][   T12] RBP: ff11000004b34000 R08: 1fe2200000a26ba1 R09: ff11000001aed1d0
[  321.590148][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  321.590424][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.590763][   T12] FS:  0000000000000000(0000) GS:ff110000e37c7000(0000) knlGS:0000000000000000
[  321.591067][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.591322][   T12] CR2: 000055f44875fc48 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.591605][   T12] PKRU: 55555554
[  321.591802][   T12] Call Trace:
[  321.591985][   T12]  <TASK>
[  321.592151][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.592402][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.592653][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.592884][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.593113][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.593368][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.593603][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.593843][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.594058][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.594286][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.594511][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.594744][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.594964][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.595192][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.595457][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.595762][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.595964][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.596151][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.596337][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.596530][   T12]  kthread (kernel/kthread.c:436)
[  321.596676][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.596888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.597064][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.597245][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.597453][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.597626][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.597812][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.605406][   T12] ------------[ cut here ]------------
| [  321.605627][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.605873][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.606331][   T12] Tainted: [W]=WARN
[  321.606422][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.606579][   T12] Workqueue: netns cleanup_net
[  321.606705][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.606868][   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
[  321.607891][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.608044][   T12] RAX: 00000000ffffffa6 RBX: ff110000096df000 RCX: 1ff4000000018eed
[  321.608227][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096df0bc
[  321.608407][   T12] RBP: ff1100000f79c000 R08: 1fe22000012dbe19 R09: ff11000001aed1d0
[  321.608590][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  321.608773][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.608953][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.609168][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.609317][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.609508][   T12] PKRU: 55555554
[  321.609597][   T12] Call Trace:
[  321.609687][   T12]  <TASK>
[  321.609757][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.609911][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.610074][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.610205][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.610327][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.610461][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.610584][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.610706][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.610842][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.610966][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.611105][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.611223][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.611344][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.611468][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.611590][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.611720][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.611841][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.611968][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.612115][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.612239][   T12]  kthread (kernel/kthread.c:436)
[  321.612330][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.612486][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.612607][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.612732][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.612895][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.613016][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.613143][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.616057][   T12] ------------[ cut here ]------------
| [  321.616189][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.616425][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.616897][   T12] Tainted: [W]=WARN
[  321.616989][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.617148][   T12] Workqueue: netns cleanup_net
[  321.617274][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.617435][   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
[  321.617871][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.618045][   T12] RAX: 00000000ffffffa6 RBX: ff110000096de200 RCX: 1ff4000000018eed
[  321.618232][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096de2bc
[  321.618435][   T12] RBP: ff11000007912000 R08: 1fe22000012dbc59 R09: ff11000001aed1d0
[  321.618617][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  321.618805][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.618986][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.619218][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.619371][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.619591][   T12] PKRU: 55555554
[  321.619681][   T12] Call Trace:
[  321.619775][   T12]  <TASK>
[  321.619839][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.619992][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.620144][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.620264][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.620385][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.620557][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.620680][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.620808][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.620955][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.621084][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.621205][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.621323][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.621458][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.621579][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.621706][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.621864][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.621983][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.622118][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.622242][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.622362][   T12]  kthread (kernel/kthread.c:436)
[  321.622461][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.622609][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.622736][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.622857][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.623007][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.623151][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.623281][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.626007][   T12] ------------[ cut here ]------------
| [  321.626154][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.626403][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.627390][   T12] Tainted: [W]=WARN
[  321.627492][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.627654][   T12] Workqueue: netns cleanup_net
[  321.627837][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.628000][   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
[  321.628470][   T12] RSP: 0018:ffa00000000c7698 EFLAGS: 00010286
[  321.628643][   T12] RAX: 00000000ffffffa6 RBX: ff110000096de3c0 RCX: 1ff4000000018e99
[  321.628883][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096de47c
[  321.629069][   T12] RBP: ff1100000f53c000 R08: 1fe22000012dbc91 R09: ff11000001aed1d0
[  321.629266][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  321.629465][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.629656][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.629927][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.630089][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.630277][   T12] PKRU: 55555554
[  321.630371][   T12] Call Trace:
[  321.630471][   T12]  <TASK>
[  321.630556][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.630771][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.630931][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.631071][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.631210][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  321.631367][   T12]  vlan_device_event (net/8021q/vlan.c:515)
[  321.631500][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.631636][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.631812][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.631950][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.632082][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.632241][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.632395][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.632526][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.632654][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.632838][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.632969][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.633112][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.633242][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.633369][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.633503][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.633628][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.633804][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.633935][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.634063][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.634198][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.634324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.634461][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.634592][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.634772][   T12]  kthread (kernel/kthread.c:436)
[  321.634870][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.635026][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.635156][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.635282][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.635445][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.635571][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.635698][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.638710][   T12] ------------[ cut here ]------------
| [  321.638850][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.639121][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.639648][   T12] Tainted: [W]=WARN
[  321.639750][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.640071][   T12] Workqueue: netns cleanup_net
[  321.640220][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.640401][   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
[  321.640869][   T12] RSP: 0018:ffa00000000c7698 EFLAGS: 00010286
[  321.641046][   T12] RAX: 00000000ffffffa6 RBX: ff110000096df700 RCX: 1ff4000000018e99
[  321.641240][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096df7bc
[  321.641426][   T12] RBP: ff11000009bfc000 R08: 1fe22000012dbef9 R09: ff11000001aed1d0
[  321.641620][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.641818][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.642014][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.642234][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.642393][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.642587][   T12] PKRU: 55555554
[  321.642680][   T12] Call Trace:
[  321.642782][   T12]  <TASK>
[  321.642847][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.643004][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.643164][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  321.643290][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  321.643419][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  321.643581][   T12]  vlan_device_event (net/8021q/vlan.c:515)
[  321.643709][   T12]  ? packet_notifier (./include/linux/rcupdate.h:871 net/packet/af_packet.c:4234)
[  321.643846][   T12]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[  321.643971][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[  321.644101][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  321.644229][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[  321.644387][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.644571][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.644696][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.644828][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.644951][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.645095][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.645223][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.645347][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.645479][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.645604][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.645741][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.645869][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.645992][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.646121][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.646248][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.646372][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.646505][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.646634][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.646770][   T12]  kthread (kernel/kthread.c:436)
[  321.646865][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.647017][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.647170][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.647298][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.647461][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.647588][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.647720][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.649822][   T12] ------------[ cut here ]------------
| [  321.649941][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  321.650177][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.650643][   T12] Tainted: [W]=WARN
[  321.650742][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.650893][   T12] Workqueue: netns cleanup_net
[  321.651017][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.651176][   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
[  321.651608][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  321.652621][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bcf4900 RCX: 1ff4000000018eed
[  321.652850][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bcf49bc
[  321.653027][   T12] RBP: ff11000011ee2000 R08: 1fe220000179e939 R09: ff11000001aed1d0
[  321.653207][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  321.653386][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.653580][   T12] FS:  0000000000000000(0000) GS:ff110000e3747000(0000) knlGS:0000000000000000
[  321.653839][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.653990][   T12] CR2: 000055b433da0ff8 CR3: 000000004af4d003 CR4: 0000000000771ef0
[  321.654177][   T12] PKRU: 55555554
[  321.654267][   T12] Call Trace:
[  321.654355][   T12]  <TASK>
[  321.654417][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.654577][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.654786][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  321.654907][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  321.655026][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.655148][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  321.655272][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  321.655392][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.655516][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.655639][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.655804][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.655922][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.656042][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.656167][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.656293][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.656415][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.656539][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.656661][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.656833][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.656955][   T12]  kthread (kernel/kthread.c:436)
[  321.657043][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.657198][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.657318][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.657441][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.657590][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.657710][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.657877][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.675504][   T12] ------------[ cut here ]------------
| [  321.675670][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.676312][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.676810][   T12] Tainted: [W]=WARN
[  321.676922][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.677091][   T12] Workqueue: netns cleanup_net
[  321.677221][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.677385][   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
[  321.677858][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.678030][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bcf4c80 RCX: 1ff4000000018eaf
[  321.678227][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bcf4d3c
[  321.678416][   T12] RBP: ff110000103ec000 R08: 1fe220000179e9a9 R09: ff11000001aed1d0
[  321.678613][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  321.678811][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058b1000
[  321.679015][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.679248][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.679413][   T12] CR2: 0000555b82bc42b8 CR3: 000000000a17d003 CR4: 0000000000771ef0
[  321.679609][   T12] PKRU: 55555554
[  321.679704][   T12] Call Trace:
[  321.679806][   T12]  <TASK>
[  321.679872][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.680008][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.680110][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.680250][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.680377][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.680508][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.680632][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.680766][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.680926][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.681090][   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)
[  321.681229][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.681386][   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)
[  321.681518][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.681662][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.681793][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.681923][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.682051][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.682184][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.682310][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.682441][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.682571][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.682740][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.682870][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.682997][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.683126][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.683258][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.683388][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.683519][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.683651][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.683842][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.683969][   T12]  kthread (kernel/kthread.c:436)
[  321.684064][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.684230][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.684356][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.684487][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.684645][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.684823][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.685006][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.693873][   T12] ------------[ cut here ]------------
| [  321.694028][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.694283][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.695131][   T12] Tainted: [W]=WARN
[  321.695228][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.695385][   T12] Workqueue: netns cleanup_net
[  321.695540][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.695707][   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
[  321.696170][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.696334][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c05da80 RCX: 1ff4000000018eaf
[  321.696533][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c05db3c
[  321.696727][   T12] RBP: ff110000058b1000 R08: 1fe220000180bb69 R09: ff11000001aed1d0
[  321.696914][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  321.697107][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103e9000
[  321.697297][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.697527][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.697691][   T12] CR2: 0000555b82bc42b8 CR3: 000000000a17d003 CR4: 0000000000771ef0
[  321.697886][   T12] PKRU: 55555554
[  321.697982][   T12] Call Trace:
[  321.698078][   T12]  <TASK>
[  321.698149][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.698278][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.698433][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.698532][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.698659][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.698789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.698915][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.699041][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.699174][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.699339][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.699503][   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)
[  321.699776][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.699934][   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)
[  321.700119][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.700249][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.700378][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.700508][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.700636][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.700774][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.700906][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.701070][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.701206][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.701332][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.701466][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.701594][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.701723][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.701850][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.701979][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.702126][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.702257][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.702387][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.702518][   T12]  kthread (kernel/kthread.c:436)
[  321.702614][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.702776][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.702901][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.703027][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.703186][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.703313][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.703444][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.705101][   T12] ------------[ cut here ]------------
| [  321.705241][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.705495][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.705996][   T12] Tainted: [W]=WARN
[  321.706095][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.706254][   T12] Workqueue: netns cleanup_net
[  321.706384][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.706566][   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
[  321.707019][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.707182][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c05c3c0 RCX: 1ff4000000018eaf
[  321.707369][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c05c47c
[  321.707563][   T12] RBP: ff110000103e9000 R08: 1fe220000180b891 R09: ff11000001aed1d0
[  321.707753][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  321.707942][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f741000
[  321.708147][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.708377][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.708542][   T12] CR2: 0000555b82bc42b8 CR3: 000000000a17d003 CR4: 0000000000771ef0
[  321.708746][   T12] PKRU: 55555554
[  321.708843][   T12] Call Trace:
[  321.708937][   T12]  <TASK>
[  321.709004][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.709136][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.709268][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.709365][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.709507][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.709633][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.709766][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.709905][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.710032][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.710207][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.710367][   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)
[  321.710500][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.710657][   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)
[  321.710791][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.710922][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.711049][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.711200][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.711327][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.711460][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.711589][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.711712][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.711849][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.711975][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.712106][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.712233][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.712359][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.712493][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.712624][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.712754][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.712886][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.713015][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.713146][   T12]  kthread (kernel/kthread.c:436)
[  321.713240][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.713398][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.713530][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.713829][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.713987][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.714119][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.714244][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.716349][   T12] ------------[ cut here ]------------
| [  321.716505][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.717206][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.717690][   T12] Tainted: [W]=WARN
[  321.717810][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.717971][   T12] Workqueue: netns cleanup_net
[  321.718109][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.718271][   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
[  321.718731][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  321.718890][   T12] RAX: 00000000ffffffa6 RBX: ff1100000da3b540 RCX: 1ff4000000018eaf
[  321.719075][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da3b5fc
[  321.719267][   T12] RBP: ff1100000f741000 R08: 1fe2200001b476c1 R09: ff11000001aed1d0
[  321.719461][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  321.719647][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  321.719842][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.720060][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.720235][   T12] CR2: 0000555b82bc42b8 CR3: 000000000a17d003 CR4: 0000000000771ef0
[  321.720425][   T12] PKRU: 55555554
[  321.720524][   T12] Call Trace:
[  321.720618][   T12]  <TASK>
[  321.720684][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  321.720819][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  321.720946][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  321.721049][   T12]  netif_close_many (net/core/dev.c:1804)
[  321.721182][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.721306][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.721434][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.721565][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  321.721709][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  321.721874][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  321.722031][   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)
[  321.722162][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.722323][   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)
[  321.722469][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.722601][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.722733][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.722860][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.722990][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.723122][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.723251][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.723376][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.723514][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.723643][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.723774][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.723901][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.724025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.724155][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.724287][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.724433][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.724565][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.724695][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.724823][   T12]  kthread (kernel/kthread.c:436)
[  321.724917][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.725075][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.725207][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.725355][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.725522][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.725653][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.725785][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.728017][   T12] ------------[ cut here ]------------
| [  321.728152][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  321.728388][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.729490][   T12] Tainted: [W]=WARN
[  321.729596][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.729798][   T12] Workqueue: netns cleanup_net
[  321.729926][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.730092][   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
[  321.730572][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.730770][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b6d78c0 RCX: 1ff4000000018ed5
[  321.730954][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6d797c
[  321.731140][   T12] RBP: ff110000103ec000 R08: 1fe22000016daf31 R09: ff11000001aed1d0
[  321.731317][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  321.731500][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.731685][   T12] FS:  0000000000000000(0000) GS:ff110000e36c7000(0000) knlGS:0000000000000000
[  321.731958][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.732117][   T12] CR2: 0000555b82bc42b8 CR3: 000000000a17d003 CR4: 0000000000771ef0
[  321.732299][   T12] PKRU: 55555554
[  321.732389][   T12] Call Trace:
[  321.732486][   T12]  <TASK>
[  321.732551][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.732704][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.732913][   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)
[  321.733035][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.733166][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.733296][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.733418][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.733548][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.733673][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.733845][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.733967][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.734094][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.734216][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.734336][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.734490][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.734611][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.734781][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.734906][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.735028][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.735157][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.735284][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.735405][   T12]  kthread (kernel/kthread.c:436)
[  321.735500][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.735656][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.735826][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.735950][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.736107][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.736228][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.736349][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.739946][   T12] ------------[ cut here ]------------
| [  321.740079][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.740319][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.740811][   T12] Tainted: [W]=WARN
[  321.740908][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.741064][   T12] Workqueue: netns cleanup_net
[  321.741196][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.741366][   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
[  321.741828][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.741982][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b6d7000 RCX: 1ff4000000018ed5
[  321.742168][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6d70bc
[  321.742348][   T12] RBP: ff110000058b1000 R08: 1fe22000016dae19 R09: ff11000001aed1d0
[  321.742689][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  321.742877][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.743065][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.743282][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.743446][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.743654][   T12] PKRU: 55555554
[  321.743762][   T12] Call Trace:
[  321.743856][   T12]  <TASK>
[  321.743936][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.744095][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.744246][   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)
[  321.744368][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.744512][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.744638][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.744766][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.744892][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.745015][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.745143][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.745277][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.745405][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.745534][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.745653][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.745781][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.745901][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.746024][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.746153][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.746275][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.746401][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.746534][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.746655][   T12]  kthread (kernel/kthread.c:436)
[  321.746752][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.746904][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.747025][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.747151][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.747303][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.747451][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.747573][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.750025][   T12] ------------[ cut here ]------------
| [  321.750168][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.750547][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.751017][   T12] Tainted: [W]=WARN
[  321.751114][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.751265][   T12] Workqueue: netns cleanup_net
[  321.751395][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.751560][   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
[  321.752018][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.752177][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b6d6e40 RCX: 1ff4000000018ed5
[  321.752360][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6d6efc
[  321.752944][   T12] RBP: ff110000103e9000 R08: 1fe22000016dade1 R09: ff11000001aed1d0
[  321.753140][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  321.753321][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.753510][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.753727][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.753880][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.754063][   T12] PKRU: 55555554
[  321.754158][   T12] Call Trace:
[  321.754248][   T12]  <TASK>
[  321.754311][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.754472][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.754628][   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)
[  321.754756][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.754883][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.755006][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.755137][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.755259][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.755383][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.755577][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.755697][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.755829][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.755964][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.756092][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.756214][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.756334][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.756462][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.756589][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.756710][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.756847][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.756974][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.757099][   T12]  kthread (kernel/kthread.c:436)
[  321.757192][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.757344][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.757470][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.757593][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.757750][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.757872][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.758010][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  321.772542][   T12] ------------[ cut here ]------------
| [  321.772695][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  321.772938][   T12] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [  321.773435][   T12] Tainted: [W]=WARN
[  321.773527][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.773677][   T12] Workqueue: netns cleanup_net
[  321.773808][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  321.773967][   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
[  321.774409][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  321.774567][   T12] RAX: 00000000ffffffa6 RBX: ff11000008c48200 RCX: 1ff4000000018ed5
[  321.774753][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008c482bc
[  321.774933][   T12] RBP: ff1100000f741000 R08: 1fe2200001189059 R09: ff11000001aed1d0
[  321.775118][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  321.775296][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  321.775485][   T12] FS:  0000000000000000(0000) GS:ff110000e3847000(0000) knlGS:0000000000000000
[  321.775695][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.775863][   T12] CR2: 00007f495ef9e668 CR3: 000000004af4d001 CR4: 0000000000771ef0
[  321.776190][   T12] PKRU: 55555554
[  321.776279][   T12] Call Trace:
[  321.776368][   T12]  <TASK>
[  321.776437][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  321.776592][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  321.776746][   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)
[  321.776866][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.776992][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  321.777119][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  321.777241][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  321.777362][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.777495][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  321.777618][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  321.777742][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  321.777867][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  321.777990][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.778116][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  321.778238][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  321.778357][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  321.778487][   T12]  process_one_work (kernel/workqueue.c:3314)
[  321.778613][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  321.778739][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  321.778867][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  321.778992][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  321.779117][   T12]  kthread (kernel/kthread.c:436)
[  321.779207][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.779356][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  321.779484][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.779605][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  321.779761][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.779901][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


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