======================================
| xx__-> [    9.197735][  T212] ------------[ cut here ]------------
| [    9.197926][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/212
| [    9.198153][  T212] Modules linked in:
| [    9.198632][  T212] Tainted: [W]=WARN
[    9.198728][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.198894][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.199058][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.199589][  T212] RSP: 0018:ffa00000009b7a80 EFLAGS: 00010286
[    9.199750][  T212] RAX: 00000000ffffffa6 RBX: ff1100000b366200 RCX: 1ff4000000136f16
[    9.199934][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3662bc
[    9.200121][  T212] RBP: ff11000016e2c000 R08: 1fe220000166cc59 R09: ff110000171c5180
[    9.200306][  T212] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.200548][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000016e2c000
[    9.200789][  T212] FS:  00007f16f9f21840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[    9.201010][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.201166][  T212] CR2: 0000000000479648 CR3: 0000000016b35001 CR4: 0000000000771ef0
[    9.201355][  T212] PKRU: 55555554
[    9.201500][  T212] Call Trace:
[    9.201598][  T212]  <TASK>
[    9.201664][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.201789][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.201914][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.202009][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.202137][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.202293][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.202473][  T212]  register_netdev (net/core/dev.c:11552)
[    9.202603][  T212]  loopback_net_init (drivers/net/loopback.c:218)
[    9.202728][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.202823][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.202917][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.203040][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.203164][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.203293][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.203501][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.203633][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.203756][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.203880][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.204005][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.204127][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.204254][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.204447][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.204576][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.204700][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.204823][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.204949][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.205071][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.205229][  T212] RIP: 0033:0x7f16fa1e3bcb
[    9.205428][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.205876][  T212] RSP: 002b:00007ffdd61556e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.206062][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f16fa1e3bcb
[    9.206247][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.206485][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.206675][  T212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd6157910
[    9.206860][  T212] R13: 0000000000000001 R14: 00007f16f9f216f8 R15: 00007ffdd6159803
| [    9.211167][  T212] ------------[ cut here ]------------
| [    9.211310][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/212
| [    9.211547][  T212] Modules linked in:
| [    9.211905][  T212] Tainted: [W]=WARN
[    9.211999][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.212155][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.212319][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.212817][  T212] RSP: 0018:ffa00000009b7918 EFLAGS: 00010286
[    9.212974][  T212] RAX: 00000000ffffffa6 RBX: ff11000015d8e580 RCX: 1ff4000000136ee9
[    9.213157][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000015d8e63c
[    9.213342][  T212] RBP: ff11000016ea9000 R08: 1fe2200002bb1cc9 R09: ff110000171c5180
[    9.213537][  T212] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.213722][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000016ea9000
[    9.213909][  T212] FS:  00007f16f9f21840(0000) GS:ff110000c7147000(0000) knlGS:0000000000000000
[    9.214126][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.214280][  T212] CR2: 00007f27795aeac0 CR3: 0000000016b35004 CR4: 0000000000771ef0
[    9.214469][  T212] PKRU: 55555554
[    9.214566][  T212] Call Trace:
[    9.214658][  T212]  <TASK>
[    9.214723][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.214848][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.214973][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.215069][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.215195][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.215353][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.215485][  T212]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.215614][  T212]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.215737][  T212]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.215863][  T212]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.215987][  T212]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.216112][  T212]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.216240][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.216337][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.216436][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.216563][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.216687][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.216812][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.216938][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.217064][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.217187][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.217310][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.217436][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.217565][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.217695][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.217823][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.217951][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.218079][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.218208][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.218335][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.218468][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.218632][  T212] RIP: 0033:0x7f16fa1e3bcb
[    9.218769][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.219223][  T212] RSP: 002b:00007ffdd61556e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.219424][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f16fa1e3bcb
[    9.219620][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.219804][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.219987][  T212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd6157910
[    9.220172][  T212] R13: 0000000000000001 R14: 00007f16f9f216f8 R15: 00007ffdd6159803
| [    9.223951][  T212] ------------[ cut here ]------------
| [    9.224083][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/212
| [    9.224303][  T212] Modules linked in:
| [    9.224704][  T212] Tainted: [W]=WARN
[    9.224799][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.224956][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.225119][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.225578][  T212] RSP: 0018:ffa00000009b78f8 EFLAGS: 00010286
[    9.225736][  T212] RAX: 00000000ffffffa6 RBX: ff1100000ce3ac80 RCX: 1ff4000000136ee5
[    9.225922][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce3ad3c
[    9.226110][  T212] RBP: ff11000017901000 R08: 1fe22000019c75a9 R09: ff110000171c5180
[    9.226296][  T212] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.226487][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000017901000
[    9.226680][  T212] FS:  00007f16f9f21840(0000) GS:ff110000c7147000(0000) knlGS:0000000000000000
[    9.226899][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.227057][  T212] CR2: 00007f27795aeac0 CR3: 0000000016b35004 CR4: 0000000000771ef0
[    9.227245][  T212] PKRU: 55555554
[    9.227340][  T212] Call Trace:
[    9.227436][  T212]  <TASK>
[    9.227501][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.227632][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.227759][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.227855][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.227983][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.228140][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.228267][  T212]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.228395][  T212]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.228526][  T212]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.228656][  T212]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.228783][  T212]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.228911][  T212]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.229039][  T212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.229167][  T212]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.229295][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.229396][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.229493][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.229624][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.229750][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.229877][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.230005][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.230134][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.230261][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.230393][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.230522][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.230648][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.230776][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.230903][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.231030][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.231154][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.231279][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.231408][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.231539][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.231692][  T212] RIP: 0033:0x7f16fa1e3bcb
[    9.231822][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.232268][  T212] RSP: 002b:00007ffdd61556e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.232463][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f16fa1e3bcb
[    9.232656][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.232844][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.233032][  T212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd6157910
[    9.233221][  T212] R13: 0000000000000001 R14: 00007f16f9f216f8 R15: 00007ffdd6159803
| [    9.237196][  T212] ------------[ cut here ]------------
| [    9.237328][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/212
| [    9.237552][  T212] Modules linked in:
| [    9.237899][  T212] Tainted: [W]=WARN
[    9.237992][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.238149][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.238312][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.238761][  T212] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[    9.238919][  T212] RAX: 00000000ffffffa6 RBX: ff1100000ce3bc40 RCX: 1ff4000000136f15
[    9.239105][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce3bcfc
[    9.239292][  T212] RBP: ff11000016f99000 R08: 1fe22000019c77a1 R09: ff110000171c5180
[    9.239482][  T212] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.239672][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000016f99000
[    9.239859][  T212] FS:  00007f16f9f21840(0000) GS:ff110000c7147000(0000) knlGS:0000000000000000
[    9.240077][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.240233][  T212] CR2: 00007f27795aeac0 CR3: 0000000016b35004 CR4: 0000000000771ef0
[    9.240425][  T212] PKRU: 55555554
[    9.240523][  T212] Call Trace:
[    9.240617][  T212]  <TASK>
[    9.240681][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.240805][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.240929][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.241024][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.241148][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.241303][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.241437][  T212]  register_netdev (net/core/dev.c:11552)
[    9.241567][  T212]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.241693][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.241787][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.241881][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.242004][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.242127][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.242254][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.242384][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.242514][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.242639][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.242764][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.242886][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.243010][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.243134][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.243261][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.243390][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.243517][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.243641][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.243765][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.243889][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.244042][  T212] RIP: 0033:0x7f16fa1e3bcb
[    9.244171][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.244619][  T212] RSP: 002b:00007ffdd61556e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.244805][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f16fa1e3bcb
[    9.244991][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.245176][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.245366][  T212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd6157910
[    9.245555][  T212] R13: 0000000000000001 R14: 00007f16f9f216f8 R15: 00007ffdd6159803
| [    9.256056][  T212] ------------[ cut here ]------------
| [    9.256197][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.256425][  T212] Modules linked in:
| [    9.256812][  T212] Tainted: [W]=WARN
[    9.256909][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.257067][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.257230][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.257681][  T212] RSP: 0018:ffa00000009b7a68 EFLAGS: 00010286
[    9.257855][  T212] RAX: 00000000ffffffa6 RBX: ff1100000cc22200 RCX: 1ff4000000136f13
[    9.258044][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc222bc
[    9.258231][  T212] RBP: ff11000017104000 R08: 1fe2200001984459 R09: ff110000171c5180
[    9.258424][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.258615][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000017104000
[    9.258804][  T212] FS:  00007f16f9f21840(0000) GS:ff110000c7247000(0000) knlGS:0000000000000000
[    9.259027][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.259185][  T212] CR2: 0000562eaedbed5c CR3: 0000000016b35001 CR4: 0000000000771ef0
[    9.259380][  T212] PKRU: 55555554
[    9.259475][  T212] Call Trace:
[    9.259573][  T212]  <TASK>
[    9.259638][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.259765][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.259896][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.259991][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.260118][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.260275][  T212]  register_netdev (net/core/dev.c:11552)
[    9.260405][  T212]  sit_init_net (net/ipv6/sit.c:1860)
[    9.260535][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.260630][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.260724][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.260847][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.260972][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.261100][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.261228][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.261356][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.261486][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.261617][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.261742][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.261866][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.261993][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.262119][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.262244][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.262371][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.262495][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.262624][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.262748][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.262901][  T212] RIP: 0033:0x7f16fa1e3bcb
[    9.263030][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.263477][  T212] RSP: 002b:00007ffdd61556e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.263669][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f16fa1e3bcb
[    9.263853][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.264038][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.264222][  T212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd6157910
[    9.264410][  T212] R13: 0000000000000001 R14: 00007f16f9f216f8 R15: 00007ffdd6159803
| [    9.269096][  T212] ------------[ cut here ]------------
| [    9.269228][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.269451][  T212] Modules linked in:
| [    9.269804][  T212] Tainted: [W]=WARN
[    9.269897][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.270052][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.270215][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.270666][  T212] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[    9.270824][  T212] RAX: 00000000ffffffa6 RBX: ff1100000a888c80 RCX: 1ff4000000136f15
[    9.271010][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a888d3c
[    9.271197][  T212] RBP: ff11000016f71000 R08: 1fe22000015111a9 R09: ff110000171c5180
[    9.271392][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.271583][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000016f71000
[    9.271771][  T212] FS:  00007f16f9f21840(0000) GS:ff110000c7247000(0000) knlGS:0000000000000000
[    9.271992][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.272152][  T212] CR2: 0000562eaedbed5c CR3: 0000000016b35001 CR4: 0000000000771ef0
[    9.272340][  T212] PKRU: 55555554
[    9.272442][  T212] Call Trace:
[    9.272542][  T212]  <TASK>
[    9.272608][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.272732][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.272856][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.272951][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.273077][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.273229][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.273357][  T212]  register_netdev (net/core/dev.c:11552)
[    9.273960][  T212]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.274087][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.274182][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.274276][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.274454][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.274580][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.274706][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.274832][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.274971][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.275096][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.275220][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.275345][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.275526][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.275704][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.275830][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.275954][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.276078][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.276201][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.276326][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.276502][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.276661][  T212] RIP: 0033:0x7f16fa1e3bcb
[    9.276792][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.277231][  T212] RSP: 002b:00007ffdd61556e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.277473][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f16fa1e3bcb
[    9.277661][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.277844][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.278028][  T212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd6157910
[    9.278212][  T212] R13: 0000000000000001 R14: 00007f16f9f216f8 R15: 00007ffdd6159803
| [    9.300876][  T213] ------------[ cut here ]------------
| [    9.301043][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/213
| [    9.301298][  T213] Modules linked in:
| [    9.302329][  T213] Tainted: [W]=WARN
[    9.302474][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.302674][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.302878][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.303353][  T213] RSP: 0018:ffa00000009b7020 EFLAGS: 00010286
[    9.303570][  T213] RAX: 00000000ffffffa6 RBX: ff11000008fb3000 RCX: 1ff4000000136dca
[    9.303795][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fb30bc
[    9.304021][  T213] RBP: ff11000016e2c000 R08: 1fe22000011f6619 R09: ff11000017315158
[    9.304245][  T213] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.304482][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.304717][  T213] FS:  00007f6dcc6e5840(0000) GS:ff110000c71c7000(0000) knlGS:0000000000000000
[    9.304977][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.305173][  T213] CR2: 00000000170c9988 CR3: 000000000918c006 CR4: 0000000000771ef0
[    9.305411][  T213] PKRU: 55555554
[    9.305550][  T213] Call Trace:
[    9.305686][  T213]  <TASK>
[    9.305795][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.305965][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.306107][  T213]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.306273][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[    9.306456][  T213]  ? netif_change_name (net/core/dev.c:1495)
[    9.306632][  T213]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.306802][  T213]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.306970][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.307139][  T213]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.307311][  T213]  netif_change_flags (net/core/dev.c:9820)
[    9.307492][  T213]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.307670][  T213]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.307842][  T213]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.308010][  T213]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.308210][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.308394][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.308570][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.308739][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.308910][  T213]  ? __kernel_text_address (kernel/extable.c:79)
[    9.309080][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.309250][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.309430][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.309611][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.309779][  T213]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.309946][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.310114][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.310282][  T213]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.310463][  T213]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.310641][  T213]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.310811][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.310986][  T213]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.311157][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.311329][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.311517][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.311684][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.311853][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.312022][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.312190][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.312377][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.312550][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.312719][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.312889][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.313059][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.313229][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.313411][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.313590][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.313758][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.313928][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.314096][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.314267][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.314449][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.314626][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.314798][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.314968][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.315141][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.315311][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.315493][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.315673][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.315843][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.316012][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.316185][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.316372][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.316547][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.316745][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[    9.316916][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.317084][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.317255][  T213]  ___sys_sendmsg (net/socket.c:2752)
[    9.317436][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.317643][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.317825][  T213]  __sys_sendmsg (net/socket.c:2784)
[    9.317997][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.318164][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.318379][  T213]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.318557][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.318730][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.318904][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.319074][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.319245][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.319457][  T213] RIP: 0033:0x7f6dcc91f08e
[    9.319639][  T213] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.320125][  T213] RSP: 002b:00007ffe8c3a1aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.320356][  T213] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6dcc91f08e
[    9.320606][  T213] RDX: 0000000000000000 RSI: 00007ffe8c3a1b50 RDI: 0000000000000005
[    9.320836][  T213] RBP: 00007ffe8c3a1ab0 R08: 0000000000000000 R09: 0000000000000000
[    9.321067][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c6
[    9.321296][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8c3a2220
| [    9.434281][  T217] ------------[ cut here ]------------
| [    9.434438][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [    9.434674][  T217] Modules linked in:
| [    9.435035][  T217] Tainted: [W]=WARN
[    9.435134][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.435295][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.435469][  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
[    9.435935][  T217] RSP: 0018:ffa00000009e7a80 EFLAGS: 00010286
[    9.436095][  T217] RAX: 00000000ffffffa6 RBX: ff110000096ee3c0 RCX: 1ff400000013cf16
[    9.436287][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096ee47c
[    9.436485][  T217] RBP: ff1100001764c000 R08: 1fe22000012ddc91 R09: ff11000016c00b80
[    9.436679][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.436870][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001764c000
[    9.437063][  T217] FS:  00007f6d96080840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[    9.437293][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.437459][  T217] CR2: 00007f6d96287430 CR3: 0000000016d27003 CR4: 0000000000771ef0
[    9.437656][  T217] PKRU: 55555554
[    9.437751][  T217] Call Trace:
[    9.437847][  T217]  <TASK>
[    9.437913][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.438047][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.438176][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.438273][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.438408][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.438572][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.438702][  T217]  register_netdev (net/core/dev.c:11552)
[    9.438829][  T217]  loopback_net_init (drivers/net/loopback.c:218)
[    9.438961][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.439059][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.439156][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.439283][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.439416][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.439548][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.439677][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.439807][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.439935][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.440063][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.440190][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.440319][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.440453][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.440587][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.440714][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.440844][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.440971][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.441097][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.441225][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.441390][  T217] RIP: 0033:0x7f6d96342bcb
[    9.441528][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.441991][  T217] RSP: 002b:00007fffa752c6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.442183][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d96342bcb
[    9.442375][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.442571][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.442759][  T217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffa752e910
[    9.442949][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa7530803
| [    9.460162][  T217] ------------[ cut here ]------------
| [    9.460297][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [    9.460524][  T217] Modules linked in:
| [    9.460873][  T217] Tainted: [W]=WARN
[    9.460968][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.461125][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.461286][  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
[    9.461739][  T217] RSP: 0018:ffa00000009e7918 EFLAGS: 00010286
[    9.461897][  T217] RAX: 00000000ffffffa6 RBX: ff1100000580e200 RCX: 1ff400000013cee9
[    9.462082][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000580e2bc
[    9.462268][  T217] RBP: ff110000170f9000 R08: 1fe2200000b01c59 R09: ff11000016c00b80
[    9.462461][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.462650][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000170f9000
[    9.462842][  T217] FS:  00007f6d96080840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[    9.463065][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.463224][  T217] CR2: 00007f6d96287430 CR3: 0000000016d27003 CR4: 0000000000771ef0
[    9.463417][  T217] PKRU: 55555554
[    9.463514][  T217] Call Trace:
[    9.463608][  T217]  <TASK>
[    9.463674][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.463804][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.463932][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.464029][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.464156][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.464312][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.464443][  T217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.464574][  T217]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.464700][  T217]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.464829][  T217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.464956][  T217]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.465084][  T217]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.465211][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.465307][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.465406][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.465533][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.465660][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.465791][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.465918][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.466047][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.466174][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.466301][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.466433][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.466564][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.466691][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.466818][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.466943][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.467069][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.467196][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.467323][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.467466][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.467633][  T217] RIP: 0033:0x7f6d96342bcb
[    9.467764][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.468213][  T217] RSP: 002b:00007fffa752c6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.468406][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d96342bcb
[    9.468600][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.468789][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.468976][  T217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffa752e910
[    9.469165][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa7530803
| [    9.472849][  T217] ------------[ cut here ]------------
| [    9.472981][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [    9.473206][  T217] Modules linked in:
| [    9.473571][  T217] Tainted: [W]=WARN
[    9.473669][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.473830][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.473998][  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
[    9.474464][  T217] RSP: 0018:ffa00000009e78f8 EFLAGS: 00010286
[    9.474634][  T217] RAX: 00000000ffffffa6 RBX: ff1100000b04d1c0 RCX: 1ff400000013cee5
[    9.474825][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b04d27c
[    9.475019][  T217] RBP: ff11000017914000 R08: 1fe2200001609a51 R09: ff11000016c00b80
[    9.475211][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.475407][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000017914000
[    9.475603][  T217] FS:  00007f6d96080840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[    9.475830][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.475991][  T217] CR2: 00007f6d96287430 CR3: 0000000016d27003 CR4: 0000000000771ef0
[    9.476185][  T217] PKRU: 55555554
[    9.476282][  T217] Call Trace:
[    9.476383][  T217]  <TASK>
[    9.476450][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.476583][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.476714][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.476814][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.476947][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.477108][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.477239][  T217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.477373][  T217]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.477508][  T217]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.477640][  T217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.477769][  T217]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.477900][  T217]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.478030][  T217]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.478162][  T217]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.478293][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.478397][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.478495][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.478627][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.478758][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.478888][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.479018][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.479151][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.479281][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.479417][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.479550][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.479679][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.479809][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.479939][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.480068][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.480197][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.480327][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.480461][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.480595][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.480754][  T217] RIP: 0033:0x7f6d96342bcb
[    9.480888][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.481347][  T217] RSP: 002b:00007fffa752c6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.481549][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d96342bcb
[    9.481743][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.481935][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.482127][  T217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffa752e910
[    9.482321][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa7530803
| [    9.486397][  T217] ------------[ cut here ]------------
| [    9.486537][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [    9.486760][  T217] Modules linked in:
| [    9.487115][  T217] Tainted: [W]=WARN
[    9.487211][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.487377][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.487550][  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
[    9.488004][  T217] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[    9.488166][  T217] RAX: 00000000ffffffa6 RBX: ff1100000b04c3c0 RCX: 1ff400000013cf15
[    9.488356][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b04c47c
[    9.488558][  T217] RBP: ff11000017214000 R08: 1fe2200001609891 R09: ff11000016c00b80
[    9.488747][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.488937][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000017214000
[    9.489129][  T217] FS:  00007f6d96080840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[    9.489353][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.489521][  T217] CR2: 00007f6d96287430 CR3: 0000000016d27003 CR4: 0000000000771ef0
[    9.489714][  T217] PKRU: 55555554
[    9.489809][  T217] Call Trace:
[    9.489904][  T217]  <TASK>
[    9.489970][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.490098][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.490224][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.490322][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.490457][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.490619][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.490749][  T217]  register_netdev (net/core/dev.c:11552)
[    9.490875][  T217]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.491004][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.491101][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.491198][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.491325][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.491457][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.491592][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.491720][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.491849][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.491976][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.492103][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.492229][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.492356][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.492491][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.492625][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.492753][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.492878][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.493005][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.493131][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.493258][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.493422][  T217] RIP: 0033:0x7f6d96342bcb
[    9.493562][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.494014][  T217] RSP: 002b:00007fffa752c6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.494204][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d96342bcb
[    9.494399][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.494591][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.494781][  T217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffa752e910
[    9.494969][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa7530803
| [    9.499342][  T217] ------------[ cut here ]------------
| [    9.499480][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [    9.499703][  T217] Modules linked in:
| [    9.500144][  T217] Tainted: [W]=WARN
[    9.500239][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.500402][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.500571][  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
[    9.501110][  T217] RSP: 0018:ffa00000009e7a68 EFLAGS: 00010286
[    9.501270][  T217] RAX: 00000000ffffffa6 RBX: ff1100000580f380 RCX: 1ff400000013cf13
[    9.501464][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000580f43c
[    9.501744][  T217] RBP: ff11000017441000 R08: 1fe2200000b01e89 R09: ff11000016c00b80
[    9.501931][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.502119][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000017441000
[    9.502399][  T217] FS:  00007f6d96080840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[    9.502623][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.502867][  T217] CR2: 00007f6d96287430 CR3: 0000000016d27003 CR4: 0000000000771ef0
[    9.503055][  T217] PKRU: 55555554
[    9.503150][  T217] Call Trace:
[    9.503244][  T217]  <TASK>
[    9.503308][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.503526][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.503653][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.503751][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.503878][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.504120][  T217]  register_netdev (net/core/dev.c:11552)
[    9.504245][  T217]  sit_init_net (net/ipv6/sit.c:1860)
[    9.504378][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.504475][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.504659][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.504787][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.504912][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.505041][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.505250][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.505382][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.505512][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.505637][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.505848][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.505973][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.506100][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.506227][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.506442][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.506572][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.506698][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.506823][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.507033][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.507187][  T217] RIP: 0033:0x7f6d96342bcb
[    9.507317][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.507860][  T217] RSP: 002b:00007fffa752c6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.508049][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d96342bcb
[    9.508321][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.508520][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.508789][  T217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffa752e910
[    9.508978][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa7530803
| [    9.514258][  T217] ------------[ cut here ]------------
| [    9.514396][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [    9.514699][  T217] Modules linked in:
| [    9.515050][  T217] Tainted: [W]=WARN
[    9.515145][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.515393][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.515561][  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
[    9.516097][  T217] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[    9.516256][  T217] RAX: 00000000ffffffa6 RBX: ff1100000bcd78c0 RCX: 1ff400000013cf15
[    9.516452][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bcd797c
[    9.516642][  T217] RBP: ff1100001732c000 R08: 1fe220000179af31 R09: ff11000016c00b80
[    9.516830][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.517102][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001732c000
[    9.517293][  T217] FS:  00007f6d96080840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[    9.517605][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.517762][  T217] CR2: 00007f6d96287430 CR3: 0000000016d27003 CR4: 0000000000771ef0
[    9.517950][  T217] PKRU: 55555554
[    9.518044][  T217] Call Trace:
[    9.518219][  T217]  <TASK>
[    9.518284][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.518417][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.518547][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.518643][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.518851][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.519007][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.519133][  T217]  register_netdev (net/core/dev.c:11552)
[    9.519342][  T217]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.519471][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.519570][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.519666][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.519789][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.519996][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.520123][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.520249][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.520383][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.520596][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.520722][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.520847][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.520972][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.521179][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.521305][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.521436][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.521565][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.521771][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.521896][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.522021][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.522175][  T217] RIP: 0033:0x7f6d96342bcb
[    9.522396][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.522928][  T217] RSP: 002b:00007fffa752c6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.523116][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d96342bcb
[    9.523300][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.523492][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.523681][  T217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffa752e910
[    9.523867][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa7530803
| [    9.554336][  T218] ------------[ cut here ]------------
| [    9.554522][  T218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/218
| [    9.554782][  T218] Modules linked in:
| [    9.555214][  T218] Tainted: [W]=WARN
[    9.555352][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.555570][  T218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.555778][  T218] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.556268][  T218] RSP: 0018:ffa00000009e7020 EFLAGS: 00010286
[    9.556480][  T218] RAX: 00000000ffffffa6 RBX: ff1100000bf0b540 RCX: 1ff400000013cdca
[    9.556716][  T218] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf0b5fc
[    9.556942][  T218] RBP: ff1100001764c000 R08: 1fe22000017e16c1 R09: ff11000016c02e58
[    9.557168][  T218] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.557467][  T218] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.557766][  T218] FS:  00007fe94cc8b840(0000) GS:ff110000c71c7000(0000) knlGS:0000000000000000
[    9.558120][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.558402][  T218] CR2: 0000000026739988 CR3: 0000000016b35005 CR4: 0000000000771ef0
[    9.558722][  T218] PKRU: 55555554
[    9.558927][  T218] Call Trace:
[    9.559142][  T218]  <TASK>
[    9.559325][  T218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.559584][  T218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.559762][  T218]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.559925][  T218]  __dev_notify_flags (net/core/dev.c:9787)
[    9.560096][  T218]  ? netif_change_name (net/core/dev.c:1495)
[    9.560263][  T218]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.560441][  T218]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.560615][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.560785][  T218]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.560956][  T218]  netif_change_flags (net/core/dev.c:9820)
[    9.561127][  T218]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.561295][  T218]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.561476][  T218]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.561650][  T218]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.561851][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.562019][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.562188][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.562356][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.562546][  T218]  ? __kernel_text_address (kernel/extable.c:79)
[    9.562717][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.562888][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.563057][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.563225][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.563405][  T218]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.563581][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.563748][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.563916][  T218]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.564084][  T218]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.564255][  T218]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.564435][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.564614][  T218]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.564785][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.564955][  T218]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.565125][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.565290][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.565470][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.565647][  T218]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.565815][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.565986][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.566153][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.566321][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.566502][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.566677][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.566846][  T218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.567016][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.567183][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.567351][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.567539][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.567706][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.567875][  T218]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.568044][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.568213][  T218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.568399][  T218]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.568575][  T218]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.568746][  T218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.568915][  T218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.569083][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.569252][  T218]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.569434][  T218]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.569614][  T218]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.569784][  T218]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.569953][  T218]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.570120][  T218]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.570316][  T218]  ? move_addr_to_kernel (net/socket.c:258)
[    9.570499][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.570675][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.570849][  T218]  ___sys_sendmsg (net/socket.c:2752)
[    9.571018][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.571217][  T218]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.571408][  T218]  __sys_sendmsg (net/socket.c:2784)
[    9.571583][  T218]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.571750][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.571951][  T218]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.572123][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.572292][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.572471][  T218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.572645][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.572814][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.573010][  T218] RIP: 0033:0x7fe94cec508e
[    9.573183][  T218] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.573684][  T218] RSP: 002b:00007fffa76339e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.573913][  T218] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe94cec508e
[    9.574140][  T218] RDX: 0000000000000000 RSI: 00007fffa7633a90 RDI: 0000000000000005
[    9.574383][  T218] RBP: 00007fffa76339f0 R08: 0000000000000000 R09: 0000000000000000
[    9.574617][  T218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c6
[    9.574845][  T218] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa7634160
| [   10.295833][  T241] ------------[ cut here ]------------
| [   10.296070][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/241
| [   10.296349][  T241] Modules linked in:
| [   10.296900][  T241] Tainted: [W]=WARN
[   10.297040][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.297247][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.297551][  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
[   10.298061][  T241] RSP: 0018:ffa0000000b36e30 EFLAGS: 00010286
[   10.298267][  T241] RAX: 00000000ffffffa6 RBX: ff11000015601e00 RCX: 1ff4000000166d8c
[   10.298599][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000015601ebc
[   10.299050][  T241] RBP: ff110000097d4000 R08: 1fe2200002ac03d9 R09: ff11000009a2d180
[   10.299381][  T241] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.299677][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c149580
[   10.299972][  T241] FS:  00007ff6b2ea9840(0000) GS:ff110000c71c7000(0000) knlGS:0000000000000000
[   10.300239][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.300456][  T241] CR2: 00007ff6b3210f69 CR3: 0000000017075005 CR4: 0000000000771ef0
[   10.300703][  T241] PKRU: 55555554
[   10.300844][  T241] Call Trace:
[   10.300987][  T241]  <TASK>
[   10.301098][  T241]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   10.301274][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.301462][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.301612][  T241]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.301788][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   10.301963][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.302136][  T241]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.302311][  T241]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.302496][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   10.302678][  T241]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   10.302881][  T241]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.303061][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.303237][  T241]  veth_newlink (drivers/net/veth.c:1871)
[   10.303426][  T241]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.303609][  T241]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.303785][  T241]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.303957][  T241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.304146][  T241]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.304323][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.304520][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.304694][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.304873][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.305048][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.305224][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.305409][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.305590][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.305768][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.305947][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.306122][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.306296][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.306480][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.306656][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.306829][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.307008][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.307183][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.307358][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.307553][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.307728][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.307900][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.308075][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.308247][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.308435][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.308617][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.308791][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.308968][  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))
[   10.309141][  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))
[   10.309316][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.309504][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.309686][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.309860][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.310036][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.310211][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.310401][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.310584][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.310757][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.310961][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   10.311139][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   10.311310][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.311496][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.311687][  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))
[   10.311865][  T241]  __sys_sendmsg (net/socket.c:2784)
[   10.312038][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.312213][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.312403][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.312585][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.312758][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.312932][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.313107][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.313310][  T241] RIP: 0033:0x7ff6b30e308e
[   10.313502][  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
[   10.314001][  T241] RSP: 002b:00007ffd929e0160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.314240][  T241] RAX: ffffffffffffffda RBX: 00007ffd929e0908 RCX: 00007ff6b30e308e
[   10.314489][  T241] RDX: 0000000000000000 RSI: 00007ffd929e0210 RDI: 0000000000000005
[   10.314731][  T241] RBP: 00007ffd929e0170 R08: 0000000000000000 R09: 0000000000000000
[   10.314962][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c7
[   10.315197][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd929e08e0
| [   10.322762][  T241] ------------[ cut here ]------------
| [   10.322906][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/241
| [   10.323126][  T241] Modules linked in:
| [   10.323486][  T241] Tainted: [W]=WARN
[   10.323586][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.323744][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.323908][  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
[   10.324351][  T241] RSP: 0018:ffa0000000b371b0 EFLAGS: 00010286
[   10.324519][  T241] RAX: 00000000ffffffa6 RBX: ff1100001570cac0 RCX: 1ff4000000166dfc
[   10.324707][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001570cb7c
[   10.324892][  T241] RBP: ff110000052f1000 R08: 1fe2200002ae1971 R09: ff11000009a2d180
[   10.325079][  T241] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.325265][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa2e03b20
[   10.325461][  T241] FS:  00007ff6b2ea9840(0000) GS:ff110000c7247000(0000) knlGS:0000000000000000
[   10.325684][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.325841][  T241] CR2: 0000562eaedbed5c CR3: 0000000017075005 CR4: 0000000000771ef0
[   10.326030][  T241] PKRU: 55555554
[   10.326124][  T241] Call Trace:
[   10.326217][  T241]  <TASK>
[   10.326284][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.326417][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.326516][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   10.326643][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   10.326771][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.326896][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.327024][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.327153][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.327280][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.327408][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.327537][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.327668][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.327797][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.327924][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.328049][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.328175][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.328300][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.328430][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.328562][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.328689][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.328814][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.328939][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.329065][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.329189][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.329315][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.329445][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.329575][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.329700][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.329825][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.329952][  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))
[   10.330079][  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))
[   10.330206][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.330332][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.330463][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.330594][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.330721][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.330848][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.330974][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.331102][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.331227][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.331390][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   10.331524][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   10.331649][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.331774][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.331909][  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))
[   10.332036][  T241]  __sys_sendmsg (net/socket.c:2784)
[   10.332161][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.332290][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.332421][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.332552][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.332678][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.332803][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.332931][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.333086][  T241] RIP: 0033:0x7ff6b30e308e
[   10.333218][  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
[   10.333675][  T241] RSP: 002b:00007ffd929e0160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.333865][  T241] RAX: ffffffffffffffda RBX: 00007ffd929e0908 RCX: 00007ff6b30e308e
[   10.334051][  T241] RDX: 0000000000000000 RSI: 00007ffd929e0210 RDI: 0000000000000005
[   10.334237][  T241] RBP: 00007ffd929e0170 R08: 0000000000000000 R09: 0000000000000000
[   10.334429][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c7
[   10.334621][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd929e08e0
| [   10.369026][  T242] ------------[ cut here ]------------
| [   10.369167][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/242
| [   10.369390][  T242] Modules linked in:
| [   10.369742][  T242] Tainted: [W]=WARN
[   10.369835][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.369989][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.370149][  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
[   10.370595][  T242] RSP: 0018:ffa0000000937020 EFLAGS: 00010286
[   10.370750][  T242] RAX: 00000000ffffffa6 RBX: ff1100001570d540 RCX: 1ff4000000126dca
[   10.370933][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001570d5fc
[   10.371117][  T242] RBP: ff110000052f1000 R08: 1fe2200002ae1ac1 R09: ff11000009a28b58
[   10.371302][  T242] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.371490][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.371679][  T242] FS:  00007fbe11d04840(0000) GS:ff110000c7247000(0000) knlGS:0000000000000000
[   10.371894][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.372051][  T242] CR2: 0000000008250988 CR3: 0000000015d37002 CR4: 0000000000771ef0
[   10.372236][  T242] PKRU: 55555554
[   10.372328][  T242] Call Trace:
[   10.372424][  T242]  <TASK>
[   10.372490][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.372620][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.372714][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.372836][  T242]  __dev_notify_flags (net/core/dev.c:9787)
[   10.372961][  T242]  ? netif_change_name (net/core/dev.c:1495)
[   10.373084][  T242]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.373208][  T242]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.373332][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.373460][  T242]  ? 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))
[   10.373590][  T242]  netif_change_flags (net/core/dev.c:9820)
[   10.373715][  T242]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.373840][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.373966][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.374090][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.374246][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.374374][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.374498][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.374626][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.374751][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   10.374875][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.375002][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.375127][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.375251][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.375377][  T242]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.375500][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.375628][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.375751][  T242]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.375877][  T242]  ? __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)
[   10.376002][  T242]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.376126][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.376251][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.376380][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.376507][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.376640][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.376763][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.376886][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.377011][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.377135][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.377262][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.377390][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.377518][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.377643][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.377769][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.377894][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.378019][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.378143][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.378266][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.378397][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.378525][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.378651][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.378775][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.378900][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.379028][  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))
[   10.379153][  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))
[   10.379278][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.379406][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.379535][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.379661][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.379787][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.379914][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.380040][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.380163][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.380289][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.380448][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   10.380578][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.380703][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.380831][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   10.380955][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.381110][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.381246][  T242]  __sys_sendmsg (net/socket.c:2784)
[   10.381374][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.381499][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.381661][  T242]  ? 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)
[   10.381787][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.381912][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.382037][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.382162][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.382288][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.382448][  T242] RIP: 0033:0x7fbe11f3e08e
[   10.382582][  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
[   10.383029][  T242] RSP: 002b:00007fff1ca86a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.383219][  T242] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbe11f3e08e
[   10.383408][  T242] RDX: 0000000000000000 RSI: 00007fff1ca86af0 RDI: 0000000000000005
[   10.383603][  T242] RBP: 00007fff1ca86a50 R08: 0000000000000000 R09: 0000000000000000
[   10.383791][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c7
[   10.383978][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1ca871c0
| [   10.418805][  T243] ------------[ cut here ]------------
| [   10.418949][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   10.419165][  T243] Modules linked in:
| [   10.419616][  T243] Tainted: [W]=WARN
[   10.419738][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.419898][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.420059][  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
[   10.420504][  T243] RSP: 0018:ffa0000000a16ff8 EFLAGS: 00010286
[   10.420673][  T243] RAX: 00000000ffffffa6 RBX: ff11000016d7eac0 RCX: 1ff4000000142dc5
[   10.420908][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000016d7eb7c
[   10.421092][  T243] RBP: ff110000097d4000 R08: 1fe2200002dafd71 R09: ff11000009a2ae58
[   10.421275][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.421467][  T243] R13: 0000000000000000 R14: ffa0000000a17140 R15: ff1100000ab6c3d0
[   10.421659][  T243] FS:  00007faf644a3840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[   10.421872][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.422025][  T243] CR2: 000000002eaab988 CR3: 000000000b095003 CR4: 0000000000771ef0
[   10.422209][  T243] PKRU: 55555554
[   10.422300][  T243] Call Trace:
[   10.422398][  T243]  <TASK>
[   10.422464][  T243]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.422593][  T243]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.422748][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.422869][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.422995][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.423147][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.423269][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.423399][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.423526][  T243]  ? 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))
[   10.423650][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.423776][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.423901][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.424026][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.424178][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.424301][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.424429][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.424557][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.424680][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   10.424804][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.424971][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.425111][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.425236][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.425359][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.425489][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.425615][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.425737][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.425895][  T243]  ? __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)
[   10.426075][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.426245][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.426864][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.426989][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.427115][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.427272][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.427475][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.427605][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.427726][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.427850][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.427976][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.428103][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.428224][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.428346][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.428499][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.428627][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.428749][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.428872][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.429001][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.429122][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.429246][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.429373][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.429496][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.429622][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.429745][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.429874][  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))
[   10.429996][  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))
[   10.430123][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.430246][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.430374][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.430498][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.430626][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.430751][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.430873][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.430996][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.431118][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.431268][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   10.431398][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.431523][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.431648][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   10.431769][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.431920][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.432053][  T243]  __sys_sendmsg (net/socket.c:2784)
[   10.432176][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.432296][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.432461][  T243]  ? 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)
[   10.432590][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.432713][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.432833][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.432955][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.433077][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.433227][  T243] RIP: 0033:0x7faf646dd08e
[   10.433356][  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
[   10.433805][  T243] RSP: 002b:00007ffc0a82fa90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.433988][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faf646dd08e
[   10.434169][  T243] RDX: 0000000000000000 RSI: 00007ffc0a82fb40 RDI: 0000000000000005
[   10.434354][  T243] RBP: 00007ffc0a82faa0 R08: 0000000000000000 R09: 0000000000000000
[   10.434544][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c7
[   10.434725][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a830210
| [   10.443776][  T243] ------------[ cut here ]------------
| [   10.443910][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   10.444126][  T243] Modules linked in:
| [   10.444482][  T243] Tainted: [W]=WARN
[   10.444582][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.444736][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.444896][  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
[   10.445337][  T243] RSP: 0018:ffa0000000a16fc0 EFLAGS: 00010286
[   10.445497][  T243] RAX: 00000000ffffffa6 RBX: ff11000016d7f8c0 RCX: 1ff4000000142dbe
[   10.445687][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000016d7f97c
[   10.445869][  T243] RBP: ff110000097d4000 R08: 1fe2200002daff31 R09: ff11000009a2ae58
[   10.446055][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.446239][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab6c3d0
[   10.446428][  T243] FS:  00007faf644a3840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[   10.446650][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.446806][  T243] CR2: 000000002eaab988 CR3: 000000000b095003 CR4: 0000000000771ef0
[   10.446992][  T243] PKRU: 55555554
[   10.447085][  T243] Call Trace:
[   10.447177][  T243]  <TASK>
[   10.447241][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.447371][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.447497][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.447597][  T243]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.447754][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.447877][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.448001][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.448156][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.448280][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.448406][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.448534][  T243]  ? 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))
[   10.448659][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.448784][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.448909][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.449033][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.449186][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.449307][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.449434][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.449562][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.449684][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   10.449808][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.449933][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.450056][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.450180][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.450302][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.450433][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.450560][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.450682][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.450806][  T243]  ? __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)
[   10.450928][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.451051][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.451175][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.451298][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.451431][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.451562][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.451686][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.451808][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.451930][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.452053][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.452176][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.452301][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.452428][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.452556][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.452680][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.452804][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.452926][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.453048][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.453169][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.453294][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.453425][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.453552][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.453676][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.453797][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.453920][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.454045][  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))
[   10.454168][  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))
[   10.454293][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.454423][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.454551][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.454674][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.454799][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.454922][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.455046][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.455170][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.455294][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.455451][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   10.455588][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.455711][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.455835][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   10.455956][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.456109][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.456243][  T243]  __sys_sendmsg (net/socket.c:2784)
[   10.456372][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.456494][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.456652][  T243]  ? 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)
[   10.456775][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.456901][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.457025][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.457147][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.457269][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.457426][  T243] RIP: 0033:0x7faf646dd08e
[   10.457562][  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
[   10.458000][  T243] RSP: 002b:00007ffc0a82fa90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.458184][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faf646dd08e
[   10.458372][  T243] RDX: 0000000000000000 RSI: 00007ffc0a82fb40 RDI: 0000000000000005
[   10.458558][  T243] RBP: 00007ffc0a82faa0 R08: 0000000000000000 R09: 0000000000000000
[   10.458741][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c7
[   10.458922][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a830210
| [   10.460839][  T243] ------------[ cut here ]------------
| [   10.460965][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   10.461178][  T243] Modules linked in:
| [   10.461633][  T243] Tainted: [W]=WARN
[   10.461727][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.461881][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.462040][  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
[   10.462481][  T243] RSP: 0018:ffa0000000a17038 EFLAGS: 00010286
[   10.462640][  T243] RAX: 00000000ffffffa6 RBX: ff11000016d7fc40 RCX: 1ff4000000142dcd
[   10.462823][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000016d7fcfc
[   10.463005][  T243] RBP: ff110000097d4000 R08: 1fe2200002daffa1 R09: ff11000009a2ae58
[   10.463187][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.463374][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.463563][  T243] FS:  00007faf644a3840(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[   10.463777][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.463931][  T243] CR2: 000000002eaab988 CR3: 000000000b095003 CR4: 0000000000771ef0
[   10.464118][  T243] PKRU: 55555554
[   10.464210][  T243] Call Trace:
[   10.464302][  T243]  <TASK>
[   10.464371][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.464495][  T243]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.464625][  T243]  notifier_call_chain (kernel/notifier.c:85)
[   10.464751][  T243]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.464874][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.465031][  T243]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.465185][  T243]  ? 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))
[   10.465308][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.465437][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.465568][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.465692][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.465847][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.465973][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.466096][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.466219][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.466344][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   10.466475][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.466608][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.466733][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.466861][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.466986][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.467108][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.467229][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.467354][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.467496][  T243]  ? __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)
[   10.467623][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.467745][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.467873][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.467997][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.468124][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.468251][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.468379][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.468500][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.468628][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.468755][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.468879][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.469005][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.469129][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.469252][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.469380][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.469505][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.469634][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.469758][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.469881][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.470004][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.470128][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.470250][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.470377][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.470503][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.470632][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.470761][  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))
[   10.470885][  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))
[   10.471010][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.471133][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.471257][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.471387][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.471516][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.471643][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.471769][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.471892][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.472015][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.472167][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   10.472292][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.472420][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.472554][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   10.472678][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.472832][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.472968][  T243]  __sys_sendmsg (net/socket.c:2784)
[   10.473093][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.473215][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.473378][  T243]  ? 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)
[   10.473504][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.473634][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.473756][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.473878][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.474002][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.474156][  T243] RIP: 0033:0x7faf646dd08e
[   10.474285][  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
[   10.474738][  T243] RSP: 002b:00007ffc0a82fa90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.474924][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faf646dd08e
[   10.475107][  T243] RDX: 0000000000000000 RSI: 00007ffc0a82fb40 RDI: 0000000000000005
[   10.475293][  T243] RBP: 00007ffc0a82faa0 R08: 0000000000000000 R09: 0000000000000000
[   10.475482][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c7
[   10.475673][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a830210
| [   10.506852][  T244] ------------[ cut here ]------------
| [   10.507009][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/244
| [   10.507217][  T244] Modules linked in:
| [   10.508136][  T244] Tainted: [W]=WARN
[   10.508224][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.508372][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.508528][  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
[   10.508939][  T244] RSP: 0018:ffa0000000b47020 EFLAGS: 00010286
[   10.509081][  T244] RAX: 00000000ffffffa6 RBX: ff1100000c382e40 RCX: 1ff4000000168dca
[   10.509250][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c382efc
[   10.509425][  T244] RBP: ff110000097d4000 R08: 1fe22000018705e1 R09: ff11000017945158
[   10.509601][  T244] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.509769][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.509938][  T244] FS:  00007fdab3608840(0000) GS:ff110000c7247000(0000) knlGS:0000000000000000
[   10.510137][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.510279][  T244] CR2: 0000000035d3d988 CR3: 0000000015d37004 CR4: 0000000000771ef0
[   10.510455][  T244] PKRU: 55555554
[   10.510544][  T244] Call Trace:
[   10.510628][  T244]  <TASK>
[   10.510687][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.510803][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.510892][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.511004][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   10.511117][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   10.511230][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.511344][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.511463][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.511580][  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))
[   10.511699][  T244]  netif_change_flags (net/core/dev.c:9820)
[   10.511813][  T244]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.511928][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.512045][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.512158][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.512298][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.512420][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.512538][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.512652][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.512764][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   10.512879][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.512995][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.513107][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.513220][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.513332][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.513449][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.513566][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.513679][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.513793][  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)
[   10.513907][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.514020][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.514137][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.514253][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.514373][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.514489][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.514606][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.514719][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.514833][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.514945][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.515061][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.515174][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.515289][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.515404][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.515527][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.515645][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.515758][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.515875][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.515990][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.516106][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.516219][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.516333][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.516451][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.516569][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.516687][  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))
[   10.516801][  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))
[   10.516918][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.517034][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.517148][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.517264][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.517384][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.517502][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.517621][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.517738][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.517852][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.517997][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   10.518110][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.518224][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.518338][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   10.518458][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.518610][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.518735][  T244]  __sys_sendmsg (net/socket.c:2784)
[   10.518850][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.518964][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.519110][  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)
[   10.519224][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.519339][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.519459][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.519579][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.519693][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.519836][  T244] RIP: 0033:0x7fdab384208e
[   10.519958][  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
[   10.520370][  T244] RSP: 002b:00007ffcfcb3d8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.520550][  T244] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdab384208e
[   10.520724][  T244] RDX: 0000000000000000 RSI: 00007ffcfcb3d980 RDI: 0000000000000005
[   10.520896][  T244] RBP: 00007ffcfcb3d8e0 R08: 0000000000000000 R09: 0000000000000000
[   10.521073][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c7
[   10.521243][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfcb3e050
| [   10.523423][   T64] ------------[ cut here ]------------
| [   10.523688][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/64
| [   10.523895][   T64] Modules linked in:
| [   10.524250][   T64] Tainted: [W]=WARN
[   10.524331][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.524796][   T64] Workqueue: events_unbound linkwatch_event
[   10.524938][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.525074][   T64] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.525617][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   10.525779][   T64] RAX: 00000000ffffffa6 RBX: ff1100000c383700 RCX: 1ff400000008af02
[   10.525933][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3837bc
[   10.526088][   T64] RBP: ff110000097d4000 R08: 1fe22000018706f9 R09: ff11000005f60ba8
[   10.526247][   T64] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.526443][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.526606][   T64] FS:  0000000000000000(0000) GS:ff110000c7247000(0000) knlGS:0000000000000000
[   10.526789][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.526925][   T64] CR2: 0000000035d3d988 CR3: 000000001174d006 CR4: 0000000000771ef0
[   10.527079][   T64] PKRU: 55555554
[   10.527158][   T64] Call Trace:
[   10.527235][   T64]  <TASK>
[   10.527289][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.527400][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.527504][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.527587][   T64]  netif_state_change (net/core/dev.c:1605)
[   10.527693][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.527822][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.527923][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.528026][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.528132][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.528235][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.528339][   T64]  process_one_work (kernel/workqueue.c:3314)
[   10.528460][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.528568][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.528675][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.528779][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.528883][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.528989][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.529092][   T64]  kthread (kernel/kthread.c:436)
[   10.529170][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.529307][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.529415][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.529523][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.529652][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.529756][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.529859][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.534449][   T64] ------------[ cut here ]------------
| [   10.534575][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   10.534784][   T64] Modules linked in:
| [   10.535109][   T64] Tainted: [W]=WARN
[   10.535191][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.535326][   T64] Workqueue: events_unbound linkwatch_event
[   10.535475][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.535624][   T64] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.536010][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   10.536146][   T64] RAX: 00000000ffffffa6 RBX: ff1100000c6c2200 RCX: 1ff400000008af02
[   10.536310][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6c22bc
[   10.536601][   T64] RBP: ff110000052f1000 R08: 1fe22000018d8459 R09: ff11000005f60ba8
[   10.536770][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.536931][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.537096][   T64] FS:  0000000000000000(0000) GS:ff110000c70c7000(0000) knlGS:0000000000000000
[   10.537284][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.537428][   T64] CR2: 00007faf64570574 CR3: 000000001174d001 CR4: 0000000000771ef0
[   10.537592][   T64] PKRU: 55555554
[   10.537675][   T64] Call Trace:
[   10.537754][   T64]  <TASK>
[   10.537809][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.537916][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.538026][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.538109][   T64]  netif_state_change (net/core/dev.c:1605)
[   10.538213][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.538344][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.538454][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.538572][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.538679][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.538782][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.538887][   T64]  process_one_work (kernel/workqueue.c:3314)
[   10.538996][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.539099][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.539206][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.539315][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.539424][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.539532][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.539638][   T64]  kthread (kernel/kthread.c:436)
[   10.539716][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.539843][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.539946][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.540051][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.540182][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.540287][   T64]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_change_name:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net