======================================
| xx__-> [   11.531389][  T212] ------------[ cut here ]------------
| [   11.531739][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/212
| [   11.532160][  T212] Modules linked in:
| [   11.532921][  T212] Tainted: [W]=WARN
[   11.533144][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.533536][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.533864][  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
[   11.534665][  T212] RSP: 0018:ffa00000009b7a80 EFLAGS: 00010286
[   11.535055][  T212] RAX: 00000000ffffffa6 RBX: ff11000004c38740 RCX: 1ff4000000136f16
[   11.535436][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004c387fc
[   11.535794][  T212] RBP: ff1100000fa8c000 R08: 1fe2200000987101 R09: ff1100000f272e80
[   11.536157][  T212] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.536529][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa8c000
[   11.536895][  T212] FS:  00007f465f47f840(0000) GS:ff110000d91c7000(0000) knlGS:0000000000000000
[   11.537329][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.537635][  T212] CR2: 0000000000479648 CR3: 000000000240d002 CR4: 0000000000771ef0
[   11.538005][  T212] PKRU: 55555554
[   11.538212][  T212] Call Trace:
[   11.538438][  T212]  <TASK>
[   11.538605][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.538864][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.539139][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.539368][  T212]  register_netdevice (net/core/dev.c:11488)
[   11.539630][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.539935][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.540207][  T212]  register_netdev (net/core/dev.c:11552)
[   11.540483][  T212]  loopback_net_init (drivers/net/loopback.c:218)
[   11.540740][  T212]  ops_init (net/core/net_namespace.c:137)
[   11.540960][  T212]  setup_net (net/core/net_namespace.c:446)
[   11.541170][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.541436][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.541697][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.541969][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[   11.542252][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.542512][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.542768][  T212]  ksys_unshare (kernel/fork.c:3243)
[   11.543033][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.543310][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.543570][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.543828][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[   11.544103][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.544379][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.544637][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.544881][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.545147][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.545425][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.545727][  T212] RIP: 0033:0x7f465f741bcb
[   11.546003][  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
[   11.546800][  T212] RSP: 002b:00007ffec90f9808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.547166][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f465f741bcb
[   11.547540][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.547898][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.548280][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec90fba30
[   11.548638][  T212] R13: 0000000000000001 R14: 00007f465f47f6f8 R15: 00007ffec90fc803
| [   11.556940][  T212] ------------[ cut here ]------------
| [   11.557378][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/212
| [   11.557784][  T212] Modules linked in:
| [   11.558487][  T212] Tainted: [W]=WARN
[   11.558692][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.559004][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.559340][  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
[   11.560091][  T212] RSP: 0018:ffa00000009b7918 EFLAGS: 00010286
[   11.560419][  T212] RAX: 00000000ffffffa6 RBX: ff11000008df2740 RCX: 1ff4000000136ee9
[   11.560777][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008df27fc
[   11.561141][  T212] RBP: ff1100000f5ec000 R08: 1fe22000011be501 R09: ff1100000f272e80
[   11.561516][  T212] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.561875][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5ec000
[   11.562258][  T212] FS:  00007f465f47f840(0000) GS:ff110000d91c7000(0000) knlGS:0000000000000000
[   11.562672][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.562992][  T212] CR2: 0000000000479648 CR3: 000000000240d002 CR4: 0000000000771ef0
[   11.563367][  T212] PKRU: 55555554
[   11.563572][  T212] Call Trace:
[   11.563777][  T212]  <TASK>
[   11.563936][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.564208][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.564480][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.564692][  T212]  register_netdevice (net/core/dev.c:11488)
[   11.564960][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.565281][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.565541][  T212]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.565799][  T212]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.566062][  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))
[   11.566336][  T212]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.566596][  T212]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.566857][  T212]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.567125][  T212]  ops_init (net/core/net_namespace.c:137)
[   11.567351][  T212]  setup_net (net/core/net_namespace.c:446)
[   11.567557][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.567808][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.568081][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.568359][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[   11.568621][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.568878][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.569139][  T212]  ksys_unshare (kernel/fork.c:3243)
[   11.569412][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.569668][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.569921][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.570189][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[   11.570469][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.570725][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.570990][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.571264][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.571519][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.571770][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.572082][  T212] RIP: 0033:0x7f465f741bcb
[   11.572367][  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
[   11.573149][  T212] RSP: 002b:00007ffec90f9808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.573522][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f465f741bcb
[   11.573878][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.574255][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.574609][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec90fba30
[   11.574969][  T212] R13: 0000000000000001 R14: 00007f465f47f6f8 R15: 00007ffec90fc803
| [   11.582154][  T212] ------------[ cut here ]------------
| [   11.582421][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/212
| [   11.582829][  T212] Modules linked in:
| [   11.583572][  T212] Tainted: [W]=WARN
[   11.583778][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.584097][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.584434][  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
[   11.585251][  T212] RSP: 0018:ffa00000009b78f8 EFLAGS: 00010286
[   11.585564][  T212] RAX: 00000000ffffffa6 RBX: ff1100000d7a7c40 RCX: 1ff4000000136ee5
[   11.585925][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7a7cfc
[   11.586313][  T212] RBP: ff1100000f441000 R08: 1fe2200001af4fa1 R09: ff1100000f272e80
[   11.586673][  T212] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.587041][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f441000
[   11.587415][  T212] FS:  00007f465f47f840(0000) GS:ff110000d91c7000(0000) knlGS:0000000000000000
[   11.587820][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.588148][  T212] CR2: 0000000000479648 CR3: 000000000240d002 CR4: 0000000000771ef0
[   11.588527][  T212] PKRU: 55555554
[   11.588734][  T212] Call Trace:
[   11.588941][  T212]  <TASK>
[   11.589113][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.589391][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.589649][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.589863][  T212]  register_netdevice (net/core/dev.c:11488)
[   11.590134][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.590462][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.590895][  T212]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.591165][  T212]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.591434][  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))
[   11.591698][  T212]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.592128][  T212]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.592410][  T212]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.592670][  T212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.592932][  T212]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.593355][  T212]  ops_init (net/core/net_namespace.c:137)
[   11.593569][  T212]  setup_net (net/core/net_namespace.c:446)
[   11.593778][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.594041][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.594469][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.594734][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[   11.595005][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.595287][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.595547][  T212]  ksys_unshare (kernel/fork.c:3243)
[   11.595963][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.596245][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.596503][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.596765][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[   11.597184][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.597460][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.597718][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.597984][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.598408][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.599067][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.599391][  T212] RIP: 0033:0x7f465f741bcb
[   11.599819][  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
[   11.600675][  T212] RSP: 002b:00007ffec90f9808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.601131][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f465f741bcb
[   11.601574][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.602019][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.602453][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec90fba30
[   11.602901][  T212] R13: 0000000000000001 R14: 00007f465f47f6f8 R15: 00007ffec90fc803
| [   11.625915][  T212] ------------[ cut here ]------------
| [   11.626095][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/212
| [   11.626343][  T212] Modules linked in:
| [   11.626724][  T212] Tainted: [W]=WARN
[   11.626830][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.627002][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.627179][  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
[   11.627834][  T212] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[   11.628010][  T212] RAX: 00000000ffffffa6 RBX: ff110000092f0e40 RCX: 1ff4000000136f15
[   11.628212][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f0efc
[   11.628491][  T212] RBP: ff11000009c59000 R08: 1fe220000125e1e1 R09: ff1100000f272e80
[   11.628692][  T212] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.628890][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c59000
[   11.629105][  T212] FS:  00007f465f47f840(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   11.629432][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.629602][  T212] CR2: 0000556fa64b1d50 CR3: 000000000240d001 CR4: 0000000000771ef0
[   11.629804][  T212] PKRU: 55555554
[   11.629994][  T212] Call Trace:
[   11.630098][  T212]  <TASK>
[   11.630169][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.630390][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.630529][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.630631][  T212]  register_netdevice (net/core/dev.c:11488)
[   11.630766][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.630939][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.631088][  T212]  register_netdev (net/core/dev.c:11552)
[   11.631309][  T212]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.631446][  T212]  ops_init (net/core/net_namespace.c:137)
[   11.631558][  T212]  setup_net (net/core/net_namespace.c:446)
[   11.631663][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.631796][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.631933][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.632076][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[   11.632368][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.632612][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.632840][  T212]  ksys_unshare (kernel/fork.c:3243)
[   11.633072][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.633418][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.633623][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.633837][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[   11.634059][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.634411][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.634627][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.634835][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.635058][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.635417][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.635688][  T212] RIP: 0033:0x7f465f741bcb
[   11.635918][  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
[   11.636893][  T212] RSP: 002b:00007ffec90f9808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.637205][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f465f741bcb
[   11.637662][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.637998][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.638481][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec90fba30
[   11.638795][  T212] R13: 0000000000000001 R14: 00007f465f47f6f8 R15: 00007ffec90fc803
| [   11.674441][  T212] ------------[ cut here ]------------
| [   11.674610][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/212
| [   11.674881][  T212] Modules linked in:
| [   11.675326][  T212] Tainted: [W]=WARN
[   11.675453][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.675640][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.675842][  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
[   11.676383][  T212] RSP: 0018:ffa00000009b7a68 EFLAGS: 00010286
[   11.676562][  T212] RAX: 00000000ffffffa6 RBX: ff110000092f1a80 RCX: 1ff4000000136f13
[   11.676789][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f1b3c
[   11.677032][  T212] RBP: ff110000104d4000 R08: 1fe220000125e369 R09: ff1100000f272e80
[   11.677282][  T212] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.677533][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000104d4000
[   11.677787][  T212] FS:  00007f465f47f840(0000) GS:ff110000d9147000(0000) knlGS:0000000000000000
[   11.678076][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.678271][  T212] CR2: 0000556fa64b1d50 CR3: 000000000240d006 CR4: 0000000000771ef0
[   11.678500][  T212] PKRU: 55555554
[   11.678624][  T212] Call Trace:
[   11.678735][  T212]  <TASK>
[   11.678818][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.678997][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.679150][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.679277][  T212]  register_netdevice (net/core/dev.c:11488)
[   11.679425][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.679630][  T212]  register_netdev (net/core/dev.c:11552)
[   11.679789][  T212]  sit_init_net (net/ipv6/sit.c:1860)
[   11.679944][  T212]  ops_init (net/core/net_namespace.c:137)
[   11.680074][  T212]  setup_net (net/core/net_namespace.c:446)
[   11.680180][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.680339][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.680485][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.680642][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[   11.680793][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.680936][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.681096][  T212]  ksys_unshare (kernel/fork.c:3243)
[   11.681319][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.681483][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.681658][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.681826][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[   11.681995][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.682155][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.682425][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.682588][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.682754][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.682909][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.683120][  T212] RIP: 0033:0x7f465f741bcb
[   11.683382][  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
[   11.683967][  T212] RSP: 002b:00007ffec90f9808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.684202][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f465f741bcb
[   11.684523][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.684749][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.684963][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec90fba30
[   11.685159][  T212] R13: 0000000000000001 R14: 00007f465f47f6f8 R15: 00007ffec90fc803
| [   11.697869][  T212] ------------[ cut here ]------------
| [   11.698035][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/212
| [   11.698285][  T212] Modules linked in:
| [   11.698668][  T212] Tainted: [W]=WARN
[   11.698769][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.698941][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.699125][  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
[   11.699602][  T212] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[   11.699769][  T212] RAX: 00000000ffffffa6 RBX: ff11000008e04900 RCX: 1ff4000000136f15
[   11.699968][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e049bc
[   11.700166][  T212] RBP: ff1100000f759000 R08: 1fe22000011c0939 R09: ff1100000f272e80
[   11.700370][  T212] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.700571][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f759000
[   11.700772][  T212] FS:  00007f465f47f840(0000) GS:ff110000d9147000(0000) knlGS:0000000000000000
[   11.701016][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.701184][  T212] CR2: 0000556fa64b1d50 CR3: 000000000240d006 CR4: 0000000000771ef0
[   11.701970][  T212] PKRU: 55555554
[   11.702071][  T212] Call Trace:
[   11.702170][  T212]  <TASK>
[   11.702297][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.702429][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.702560][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.702660][  T212]  register_netdevice (net/core/dev.c:11488)
[   11.702798][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.702965][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.703099][  T212]  register_netdev (net/core/dev.c:11552)
[   11.703286][  T212]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.703419][  T212]  ops_init (net/core/net_namespace.c:137)
[   11.703521][  T212]  setup_net (net/core/net_namespace.c:446)
[   11.703619][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.703763][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.703893][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.704029][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[   11.704278][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.704411][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.704542][  T212]  ksys_unshare (kernel/fork.c:3243)
[   11.704679][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.704820][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.704959][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.705097][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[   11.705291][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.705421][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.705559][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.705689][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.705827][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.705965][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.706128][  T212] RIP: 0033:0x7f465f741bcb
[   11.706326][  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
[   11.706797][  T212] RSP: 002b:00007ffec90f9808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.707002][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f465f741bcb
[   11.707339][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.707536][  T212] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.707728][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec90fba30
[   11.707927][  T212] R13: 0000000000000001 R14: 00007f465f47f6f8 R15: 00007ffec90fc803
| [   11.748762][  T213] ------------[ cut here ]------------
| [   11.749080][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/213
| [   11.749511][  T213] Modules linked in:
| [   11.750189][  T213] Tainted: [W]=WARN
[   11.750417][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.750724][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.751056][  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
[   11.751834][  T213] RSP: 0018:ffa00000005b7020 EFLAGS: 00010286
[   11.752152][  T213] RAX: 00000000ffffffa6 RBX: ff1100000d7a7000 RCX: 1ff40000000b6dca
[   11.752530][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7a70bc
[   11.752901][  T213] RBP: ff1100000fa8c000 R08: 1fe2200001af4e19 R09: ff1100000f275158
[   11.753284][  T213] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.753787][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.754158][  T213] FS:  00007fb7595dc840(0000) GS:ff110000d91c7000(0000) knlGS:0000000000000000
[   11.754590][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.754900][  T213] CR2: 000000000af3a988 CR3: 00000000096d6005 CR4: 0000000000771ef0
[   11.755282][  T213] PKRU: 55555554
[   11.755485][  T213] Call Trace:
[   11.755693][  T213]  <TASK>
[   11.755851][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.756125][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.756354][  T213]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.756608][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[   11.756869][  T213]  ? netif_change_name (net/core/dev.c:1495)
[   11.757138][  T213]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.757411][  T213]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.757667][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.757926][  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))
[   11.758195][  T213]  netif_change_flags (net/core/dev.c:9820)
[   11.758470][  T213]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.758726][  T213]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.758994][  T213]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.759272][  T213]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.759580][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.759837][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.760101][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.760377][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.760633][  T213]  ? __kernel_text_address (kernel/extable.c:79)
[   11.760895][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.761162][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.761432][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.761696][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.761964][  T213]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.762235][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.762493][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.762750][  T213]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.763013][  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)
[   11.763287][  T213]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.763544][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.763798][  T213]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.764068][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.764351][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.764608][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.764865][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.765133][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.765412][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.765668][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.765932][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.766190][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.766465][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.766726][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.766994][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.767267][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.767541][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.767801][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.768062][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.768346][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.768604][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.768861][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.769127][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.769406][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.769668][  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))
[   11.769924][  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))
[   11.770191][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.770476][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.770734][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.771001][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.771276][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.771530][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.771786][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.772058][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.772336][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.772660][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[   11.772942][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.773244][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.773524][  T213]  ___sys_sendmsg (net/socket.c:2752)
[   11.773800][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.774140][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.774447][  T213]  __sys_sendmsg (net/socket.c:2784)
[   11.774704][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.774966][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.775297][  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)
[   11.775558][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.775820][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.776097][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.776377][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.776637][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.776939][  T213] RIP: 0033:0x7fb75981608e
[   11.777215][  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
[   11.778001][  T213] RSP: 002b:00007ffe0c630fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.778379][  T213] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb75981608e
[   11.778733][  T213] RDX: 0000000000000000 RSI: 00007ffe0c631090 RDI: 0000000000000005
[   11.779092][  T213] RBP: 00007ffe0c630ff0 R08: 0000000000000000 R09: 0000000000000000
[   11.779469][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e7
[   11.779825][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0c631760
| [   11.971536][  T217] ------------[ cut here ]------------
| [   11.971728][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [   11.971988][  T217] Modules linked in:
| [   11.972395][  T217] Tainted: [W]=WARN
[   11.972499][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.972699][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.972884][  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
[   11.973369][  T217] RSP: 0018:ffa00000009e7a80 EFLAGS: 00010286
[   11.973536][  T217] RAX: 00000000ffffffa6 RBX: ff1100000bffd000 RCX: 1ff400000013cf16
[   11.973735][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bffd0bc
[   11.973933][  T217] RBP: ff1100000eaf1000 R08: 1fe22000017ffa19 R09: ff1100000b92ae80
[   11.974144][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.974351][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eaf1000
[   11.974576][  T217] FS:  00007fc971c51840(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   11.974810][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.974986][  T217] CR2: 00007fc971e58430 CR3: 000000000f757006 CR4: 0000000000771ef0
[   11.975189][  T217] PKRU: 55555554
[   11.975301][  T217] Call Trace:
[   11.975403][  T217]  <TASK>
[   11.975480][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.975615][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.975749][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.975852][  T217]  register_netdevice (net/core/dev.c:11488)
[   11.975994][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.976163][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.976471][  T217]  register_netdev (net/core/dev.c:11552)
[   11.976607][  T217]  loopback_net_init (drivers/net/loopback.c:218)
[   11.976742][  T217]  ops_init (net/core/net_namespace.c:137)
[   11.976844][  T217]  setup_net (net/core/net_namespace.c:446)
[   11.976948][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.977088][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.977230][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.977363][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[   11.977498][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.977633][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.977765][  T217]  ksys_unshare (kernel/fork.c:3243)
[   11.977902][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.978042][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.978173][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.978320][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[   11.978454][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.978588][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.978717][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.978893][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.979085][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.979216][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.979387][  T217] RIP: 0033:0x7fc971f13bcb
[   11.979527][  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
[   11.980002][  T217] RSP: 002b:00007fff2d771ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.980203][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc971f13bcb
[   11.980403][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.980604][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.980801][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2d773ed0
[   11.981001][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2d774803
| [   11.985559][  T217] ------------[ cut here ]------------
| [   11.985714][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [   11.985978][  T217] Modules linked in:
| [   11.986409][  T217] Tainted: [W]=WARN
[   11.986548][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.986756][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.987058][  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
[   11.988106][  T217] RSP: 0018:ffa00000009e7918 EFLAGS: 00010286
[   11.988474][  T217] RAX: 00000000ffffffa6 RBX: ff1100000d7f91c0 RCX: 1ff400000013cee9
[   11.988795][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7f927c
[   11.989090][  T217] RBP: ff1100000f264000 R08: 1fe2200001aff251 R09: ff1100000b92ae80
[   11.989419][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.989742][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f264000
[   11.990068][  T217] FS:  00007fc971c51840(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   11.990455][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.990733][  T217] CR2: 00007fc971e58430 CR3: 000000000f757006 CR4: 0000000000771ef0
[   11.991064][  T217] PKRU: 55555554
[   11.991239][  T217] Call Trace:
[   11.991400][  T217]  <TASK>
[   11.991516][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.991762][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.992026][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.992212][  T217]  register_netdevice (net/core/dev.c:11488)
[   11.992476][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.992725][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.992933][  T217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.993152][  T217]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.993380][  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))
[   11.993598][  T217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.993822][  T217]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.994056][  T217]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.994293][  T217]  ops_init (net/core/net_namespace.c:137)
[   11.994455][  T217]  setup_net (net/core/net_namespace.c:446)
[   11.994615][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.994825][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.995039][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.995271][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[   11.995492][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.995714][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.995929][  T217]  ksys_unshare (kernel/fork.c:3243)
[   11.996149][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.996377][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.996600][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.996823][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[   11.997073][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.997321][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.997560][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.997789][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.998025][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.998283][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.998570][  T217] RIP: 0033:0x7fc971f13bcb
[   11.998829][  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
[   11.999705][  T217] RSP: 002b:00007fff2d771ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.000078][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc971f13bcb
[   12.000443][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.000791][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.001149][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2d773ed0
[   12.001496][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2d774803
| [   12.009141][  T217] ------------[ cut here ]------------
| [   12.009392][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [   12.009771][  T217] Modules linked in:
| [   12.010395][  T217] Tainted: [W]=WARN
[   12.010499][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.010668][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.010846][  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
[   12.011337][  T217] RSP: 0018:ffa00000009e78f8 EFLAGS: 00010286
[   12.011505][  T217] RAX: 00000000ffffffa6 RBX: ff1100000d7f8200 RCX: 1ff400000013cee5
[   12.011703][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7f82bc
[   12.011901][  T217] RBP: ff1100000f1bc000 R08: 1fe2200001aff059 R09: ff1100000b92ae80
[   12.012164][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.012463][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1bc000
[   12.012759][  T217] FS:  00007fc971c51840(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   12.013095][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.013279][  T217] CR2: 00007fc971e58430 CR3: 000000000f757006 CR4: 0000000000771ef0
[   12.013481][  T217] PKRU: 55555554
[   12.013582][  T217] Call Trace:
[   12.013682][  T217]  <TASK>
[   12.013752][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.013887][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.014028][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.014133][  T217]  register_netdevice (net/core/dev.c:11488)
[   12.014333][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.014524][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.014661][  T217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.014797][  T217]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.014935][  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))
[   12.015077][  T217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.015215][  T217]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.015360][  T217]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.015495][  T217]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.015631][  T217]  vti_init_net (net/ipv4/ip_vti.c:517)
[   12.015764][  T217]  ops_init (net/core/net_namespace.c:137)
[   12.015867][  T217]  setup_net (net/core/net_namespace.c:446)
[   12.015971][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.016104][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.016245][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.016382][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[   12.016522][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.016659][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.016793][  T217]  ksys_unshare (kernel/fork.c:3243)
[   12.016928][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.017068][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.017203][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.017346][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[   12.017483][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.017618][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.017753][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.017888][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.018027][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.018164][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.018344][  T217] RIP: 0033:0x7fc971f13bcb
[   12.018488][  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
[   12.018968][  T217] RSP: 002b:00007fff2d771ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.019176][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc971f13bcb
[   12.019387][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.019586][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.019784][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2d773ed0
[   12.019995][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2d774803
| [   12.024557][  T217] ------------[ cut here ]------------
| [   12.024704][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [   12.024938][  T217] Modules linked in:
| [   12.025891][  T217] Tainted: [W]=WARN
[   12.025996][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.026161][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.026397][  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
[   12.026858][  T217] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[   12.027029][  T217] RAX: 00000000ffffffa6 RBX: ff11000004c39700 RCX: 1ff400000013cf15
[   12.027286][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004c397bc
[   12.027481][  T217] RBP: ff11000010554000 R08: 1fe22000009872f9 R09: ff1100000b92ae80
[   12.027682][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.027884][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010554000
[   12.028088][  T217] FS:  00007fc971c51840(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   12.028376][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.028542][  T217] CR2: 00007fc971e58430 CR3: 000000000f757006 CR4: 0000000000771ef0
[   12.028739][  T217] PKRU: 55555554
[   12.028836][  T217] Call Trace:
[   12.028934][  T217]  <TASK>
[   12.029008][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.029144][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.029336][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.029437][  T217]  register_netdevice (net/core/dev.c:11488)
[   12.029569][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.029734][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.029870][  T217]  register_netdev (net/core/dev.c:11552)
[   12.030009][  T217]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   12.030146][  T217]  ops_init (net/core/net_namespace.c:137)
[   12.030312][  T217]  setup_net (net/core/net_namespace.c:446)
[   12.030413][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.030551][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.030686][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.030825][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[   12.030977][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.031117][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.031318][  T217]  ksys_unshare (kernel/fork.c:3243)
[   12.031455][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.031593][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.031727][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.031863][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[   12.032004][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.032144][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.032343][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.032475][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.032607][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.032737][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.032900][  T217] RIP: 0033:0x7fc971f13bcb
[   12.033042][  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
[   12.033580][  T217] RSP: 002b:00007fff2d771ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.033777][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc971f13bcb
[   12.033977][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.034172][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.034428][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2d773ed0
[   12.034622][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2d774803
| [   12.046199][  T217] ------------[ cut here ]------------
| [   12.046381][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/217
| [   12.046615][  T217] Modules linked in:
| [   12.047005][  T217] Tainted: [W]=WARN
[   12.047109][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.047290][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.047470][  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
[   12.047946][  T217] RSP: 0018:ffa00000009e7a68 EFLAGS: 00010286
[   12.048120][  T217] RAX: 00000000ffffffa6 RBX: ff1100000bcc6e40 RCX: 1ff400000013cf13
[   12.048327][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bcc6efc
[   12.048522][  T217] RBP: ff11000008cc9000 R08: 1fe2200001798de1 R09: ff1100000b92ae80
[   12.048717][  T217] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.048920][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008cc9000
[   12.049126][  T217] FS:  00007fc971c51840(0000) GS:ff110000d9247000(0000) knlGS:0000000000000000
[   12.049363][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.049533][  T217] CR2: 0000561cf28f7d5c CR3: 000000000f757006 CR4: 0000000000771ef0
[   12.049732][  T217] PKRU: 55555554
[   12.049830][  T217] Call Trace:
[   12.049929][  T217]  <TASK>
[   12.050002][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.050138][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.050275][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.050375][  T217]  register_netdevice (net/core/dev.c:11488)
[   12.050509][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.050674][  T217]  register_netdev (net/core/dev.c:11552)
[   12.050836][  T217]  sit_init_net (net/ipv6/sit.c:1860)
[   12.050993][  T217]  ops_init (net/core/net_namespace.c:137)
[   12.051118][  T217]  setup_net (net/core/net_namespace.c:446)
[   12.051236][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.051386][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.051533][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.051696][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[   12.051854][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.052026][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.052194][  T217]  ksys_unshare (kernel/fork.c:3243)
[   12.052361][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.052525][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.052689][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.052854][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[   12.053015][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.053170][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.053335][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.053508][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.053692][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.053844][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.054050][  T217] RIP: 0033:0x7fc971f13bcb
[   12.054214][  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
[   12.054802][  T217] RSP: 002b:00007fff2d771ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.055053][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc971f13bcb
[   12.055297][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.055524][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.055742][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2d773ed0
[   12.055973][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2d774803
| [   12.062027][  T217] ------------[ cut here ]------------
| [   12.062210][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/217
| [   12.062500][  T217] Modules linked in:
| [   12.062974][  T217] Tainted: [W]=WARN
[   12.063106][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.063320][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.063534][  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
[   12.064111][  T217] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[   12.064449][  T217] RAX: 00000000ffffffa6 RBX: ff1100000b985380 RCX: 1ff400000013cf15
[   12.064685][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b98543c
[   12.064904][  T217] RBP: ff1100000f149000 R08: 1fe2200001730a89 R09: ff1100000b92ae80
[   12.065138][  T217] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.065386][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f149000
[   12.065626][  T217] FS:  00007fc971c51840(0000) GS:ff110000d9247000(0000) knlGS:0000000000000000
[   12.065910][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.066112][  T217] CR2: 0000561cf28f7d5c CR3: 000000000f757006 CR4: 0000000000771ef0
[   12.066360][  T217] PKRU: 55555554
[   12.066468][  T217] Call Trace:
[   12.066617][  T217]  <TASK>
[   12.066696][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.066852][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.067011][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.067131][  T217]  register_netdevice (net/core/dev.c:11488)
[   12.067296][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.067483][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.067639][  T217]  register_netdev (net/core/dev.c:11552)
[   12.067796][  T217]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   12.067940][  T217]  ops_init (net/core/net_namespace.c:137)
[   12.068065][  T217]  setup_net (net/core/net_namespace.c:446)
[   12.068174][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.068331][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.068466][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.068604][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[   12.068740][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.068879][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.069019][  T217]  ksys_unshare (kernel/fork.c:3243)
[   12.069153][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.069293][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.069431][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.069567][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[   12.069702][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.069835][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.069974][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.070107][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.070248][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.070381][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.070549][  T217] RIP: 0033:0x7fc971f13bcb
[   12.070691][  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
[   12.071172][  T217] RSP: 002b:00007fff2d771ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.071383][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc971f13bcb
[   12.071583][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.071786][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.071990][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2d773ed0
[   12.072193][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2d774803
| [   12.111183][  T218] ------------[ cut here ]------------
| [   12.111494][  T218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/218
| [   12.111911][  T218] Modules linked in:
| [   12.112666][  T218] Tainted: [W]=WARN
[   12.112889][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.113267][  T218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.113624][  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
[   12.114454][  T218] RSP: 0018:ffa00000009f7020 EFLAGS: 00010286
[   12.114785][  T218] RAX: 00000000ffffffa6 RBX: ff1100000d7a6e40 RCX: 1ff400000013edca
[   12.115163][  T218] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7a6efc
[   12.115545][  T218] RBP: ff1100000eaf1000 R08: 1fe2200001af4de1 R09: ff11000004c55158
[   12.115910][  T218] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.116303][  T218] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.116672][  T218] FS:  00007fd339478840(0000) GS:ff110000d91c7000(0000) knlGS:0000000000000000
[   12.117101][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.117442][  T218] CR2: 000000002b856988 CR3: 000000000e8b7001 CR4: 0000000000771ef0
[   12.117807][  T218] PKRU: 55555554
[   12.118028][  T218] Call Trace:
[   12.118255][  T218]  <TASK>
[   12.118418][  T218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.118690][  T218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.118901][  T218]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.119171][  T218]  __dev_notify_flags (net/core/dev.c:9787)
[   12.119460][  T218]  ? netif_change_name (net/core/dev.c:1495)
[   12.119720][  T218]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.119988][  T218]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.120266][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.120531][  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))
[   12.120794][  T218]  netif_change_flags (net/core/dev.c:9820)
[   12.121064][  T218]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.121350][  T218]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.121617][  T218]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.121880][  T218]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.122204][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.122487][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.122762][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.123044][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.123327][  T218]  ? __kernel_text_address (kernel/extable.c:79)
[   12.123588][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.123851][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.124114][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.124398][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.124661][  T218]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.124922][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.125192][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.125468][  T218]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.125732][  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)
[   12.125996][  T218]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.126274][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.126548][  T218]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.126829][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.127126][  T218]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.127417][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.127685][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.127964][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.128250][  T218]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.128516][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.128801][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.129070][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.129355][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.129619][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.129886][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.130165][  T218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.130450][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.130713][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.130982][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.131271][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.131541][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.131807][  T218]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.132082][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.132371][  T218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.132642][  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))
[   12.132895][  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))
[   12.133174][  T218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.133467][  T218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.133728][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.134000][  T218]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.134274][  T218]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.134537][  T218]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.134801][  T218]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.135067][  T218]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.135340][  T218]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.135656][  T218]  ? move_addr_to_kernel (net/socket.c:258)
[   12.135919][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.136190][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.136482][  T218]  ___sys_sendmsg (net/socket.c:2752)
[   12.136747][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.137068][  T218]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.137372][  T218]  __sys_sendmsg (net/socket.c:2784)
[   12.137625][  T218]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.137883][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.138214][  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)
[   12.138491][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.138751][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.139016][  T218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.139295][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.139563][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.139889][  T218] RIP: 0033:0x7fd3396b208e
[   12.140190][  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
[   12.141026][  T218] RSP: 002b:00007ffdafb170f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.141418][  T218] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3396b208e
[   12.141786][  T218] RDX: 0000000000000000 RSI: 00007ffdafb171a0 RDI: 0000000000000005
[   12.142163][  T218] RBP: 00007ffdafb17100 R08: 0000000000000000 R09: 0000000000000000
[   12.142557][  T218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e8
[   12.142929][  T218] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdafb17870
| [   13.215793][  T241] ------------[ cut here ]------------
| [   13.216061][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/241
| [   13.216368][  T241] Modules linked in:
| [   13.216801][  T241] Tainted: [W]=WARN
[   13.216905][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.217082][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.217268][  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
[   13.217761][  T241] RSP: 0018:ffa0000000b16e30 EFLAGS: 00010286
[   13.217934][  T241] RAX: 00000000ffffffa6 RBX: ff1100000c51e3c0 RCX: 1ff4000000162d8c
[   13.218143][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c51e47c
[   13.218352][  T241] RBP: ff1100000a754000 R08: 1fe22000018a3c91 R09: ff1100000ea50b80
[   13.218559][  T241] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.218762][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa55580
[   13.218976][  T241] FS:  00007f9bf9679840(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   13.219216][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.219394][  T241] CR2: 00007f9bf99e0f69 CR3: 000000000fa3d004 CR4: 0000000000771ef0
[   13.219602][  T241] PKRU: 55555554
[   13.219705][  T241] Call Trace:
[   13.219806][  T241]  <TASK>
[   13.219877][  T241]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   13.220055][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.220194][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.220302][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.220440][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.220575][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   13.220715][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.220853][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   13.220994][  T241]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   13.221135][  T241]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   13.221278][  T241]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.221418][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.221554][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.221692][  T241]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.221832][  T241]  veth_newlink (drivers/net/veth.c:1871)
[   13.221977][  T241]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   13.222113][  T241]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.222256][  T241]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.222392][  T241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.222545][  T241]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.222684][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.222823][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.222958][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.223099][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.223241][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.223379][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.223516][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.223653][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.223795][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.223934][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.224077][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.224213][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.224356][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.224493][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.224627][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.224768][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.224906][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.225048][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.225185][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.225327][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.225464][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.225608][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.225745][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.225883][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.226033][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.226173][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.226318][  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))
[   13.226453][  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))
[   13.226591][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.226729][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.226867][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.227009][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.227146][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.227291][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.227430][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.227566][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.227702][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.227868][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   13.228020][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   13.228154][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.228296][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.228440][  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))
[   13.228580][  T241]  __sys_sendmsg (net/socket.c:2784)
[   13.228719][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.228859][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.229000][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.229137][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.229279][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.229416][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.229551][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.229722][  T241] RIP: 0033:0x7f9bf98b308e
[   13.229867][  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
[   13.230361][  T241] RSP: 002b:00007ffdcda85030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.230567][  T241] RAX: ffffffffffffffda RBX: 00007ffdcda857d8 RCX: 00007f9bf98b308e
[   13.230772][  T241] RDX: 0000000000000000 RSI: 00007ffdcda850e0 RDI: 0000000000000005
[   13.230979][  T241] RBP: 00007ffdcda85040 R08: 0000000000000000 R09: 0000000000000000
[   13.231182][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e9
[   13.231390][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcda857b0
| [   13.244186][  T241] ------------[ cut here ]------------
| [   13.244862][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/241
| [   13.245103][  T241] Modules linked in:
| [   13.245553][  T241] Tainted: [W]=WARN
[   13.245656][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.245886][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.246069][  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
[   13.246612][  T241] RSP: 0018:ffa0000000b171b0 EFLAGS: 00010286
[   13.246783][  T241] RAX: 00000000ffffffa6 RBX: ff11000004fd5380 RCX: 1ff4000000162dfc
[   13.246987][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fd543c
[   13.247189][  T241] RBP: ff1100000a4d9000 R08: 1fe22000009faa89 R09: ff1100000ea50b80
[   13.247447][  T241] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.247645][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff90e03b20
[   13.247846][  T241] FS:  00007f9bf9679840(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   13.248085][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.248313][  T241] CR2: 00007f9bf99e0f69 CR3: 000000000fa3d004 CR4: 0000000000771ef0
[   13.248515][  T241] PKRU: 55555554
[   13.248616][  T241] Call Trace:
[   13.248717][  T241]  <TASK>
[   13.248788][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.248926][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.249036][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   13.249174][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   13.249371][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.249507][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.249643][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.249779][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.249914][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.250053][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.250188][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.250384][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.250523][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.250659][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.250793][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.250926][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.251062][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.251195][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.251392][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.251529][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.251663][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.251796][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.251930][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.252093][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.252323][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.252461][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.252594][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.252729][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.252864][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.253005][  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))
[   13.253140][  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))
[   13.253340][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.253476][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.253611][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.253746][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.253883][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.254028][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.254165][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.254363][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.254498][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.254666][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   13.254805][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   13.254939][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.255078][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.255283][  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))
[   13.255420][  T241]  __sys_sendmsg (net/socket.c:2784)
[   13.255555][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.255694][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.255830][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.255969][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.256104][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.256301][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.256435][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.256601][  T241] RIP: 0033:0x7f9bf98b308e
[   13.256743][  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
[   13.257291][  T241] RSP: 002b:00007ffdcda85030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.257495][  T241] RAX: ffffffffffffffda RBX: 00007ffdcda857d8 RCX: 00007f9bf98b308e
[   13.257696][  T241] RDX: 0000000000000000 RSI: 00007ffdcda850e0 RDI: 0000000000000005
[   13.257898][  T241] RBP: 00007ffdcda85040 R08: 0000000000000000 R09: 0000000000000000
[   13.258100][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e9
[   13.258358][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcda857b0
| [   13.289758][  T242] ------------[ cut here ]------------
| [   13.289975][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/242
| [   13.290270][  T242] Modules linked in:
| [   13.290739][  T242] Tainted: [W]=WARN
[   13.290890][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.291126][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.291359][  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
[   13.291871][  T242] RSP: 0018:ffa0000000b27020 EFLAGS: 00010286
[   13.292096][  T242] RAX: 00000000ffffffa6 RBX: ff11000004fd5c40 RCX: 1ff4000000164dca
[   13.292350][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fd5cfc
[   13.292593][  T242] RBP: ff1100000a4d9000 R08: 1fe22000009faba1 R09: ff1100000ea55158
[   13.292837][  T242] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.293102][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.293359][  T242] FS:  00007f2cef81d840(0000) GS:ff110000d91c7000(0000) knlGS:0000000000000000
[   13.293637][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.293850][  T242] CR2: 000000001b7f5988 CR3: 0000000010627003 CR4: 0000000000771ef0
[   13.294103][  T242] PKRU: 55555554
[   13.294263][  T242] Call Trace:
[   13.294408][  T242]  <TASK>
[   13.294524][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.294706][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.294855][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.295050][  T242]  __dev_notify_flags (net/core/dev.c:9787)
[   13.295248][  T242]  ? netif_change_name (net/core/dev.c:1495)
[   13.295427][  T242]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.295608][  T242]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.295788][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.295977][  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))
[   13.296158][  T242]  netif_change_flags (net/core/dev.c:9820)
[   13.296349][  T242]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.296526][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.296708][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.296890][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.297106][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.297295][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.297476][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.297654][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.297836][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   13.298026][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.298206][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.298395][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.298575][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.298757][  T242]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.298934][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.299120][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.299313][  T242]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.299497][  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)
[   13.299677][  T242]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.299856][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.300045][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.300238][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.300420][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.300600][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.300778][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.300972][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.301148][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.301336][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.301517][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.301696][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.301874][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.302072][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.302269][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.302449][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.302629][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.302807][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.302991][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.303172][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.303362][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.303542][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.303723][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.303902][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.304091][  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))
[   13.304285][  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))
[   13.304468][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.304650][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.304831][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.305023][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.305203][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.305394][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.305579][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.305761][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.305940][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.306158][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   13.306351][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.306535][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.306714][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   13.306891][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.307109][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.307313][  T242]  __sys_sendmsg (net/socket.c:2784)
[   13.307492][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.307669][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.307886][  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)
[   13.308073][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.308265][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.308444][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.308623][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.308803][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.309019][  T242] RIP: 0033:0x7f2cefa5708e
[   13.309206][  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
[   13.309727][  T242] RSP: 002b:00007fff0347c390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.309977][  T242] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2cefa5708e
[   13.310234][  T242] RDX: 0000000000000000 RSI: 00007fff0347c440 RDI: 0000000000000005
[   13.310473][  T242] RBP: 00007fff0347c3a0 R08: 0000000000000000 R09: 0000000000000000
[   13.310717][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e9
[   13.310959][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0347cb10
| [   13.367823][  T243] ------------[ cut here ]------------
| [   13.368113][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/243
| [   13.368460][  T243] Modules linked in:
| [   13.368986][  T243] Tainted: [W]=WARN
[   13.369126][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.369369][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.369611][  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
[   13.370306][  T243] RSP: 0018:ffa0000000b36ff8 EFLAGS: 00010286
[   13.370561][  T243] RAX: 00000000ffffffa6 RBX: ff1100000d79ba80 RCX: 1ff4000000166dc5
[   13.370846][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d79bb3c
[   13.371163][  T243] RBP: ff1100000a754000 R08: 1fe2200001af3769 R09: ff1100000f748b58
[   13.371455][  T243] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.371743][  T243] R13: 0000000000000000 R14: ffa0000000b37140 R15: ff1100000f31c3d0
[   13.372029][  T243] FS:  00007f51c0431840(0000) GS:ff110000d9147000(0000) knlGS:0000000000000000
[   13.372364][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.372599][  T243] CR2: 00007f51c07011a0 CR3: 000000001061d002 CR4: 0000000000771ef0
[   13.372880][  T243] PKRU: 55555554
[   13.373027][  T243] Call Trace:
[   13.373167][  T243]  <TASK>
[   13.373301][  T243]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   13.373495][  T243]  __dev_change_net_namespace (net/core/dev.c:12635)
[   13.373729][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.373919][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.374112][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.374380][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.374569][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.374757][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.374945][  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))
[   13.375139][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.375337][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.375528][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.375719][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.375959][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.376167][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.376360][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.376543][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.376729][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   13.376922][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.377116][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.377312][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.377500][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.377687][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.377872][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.378061][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.378257][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.378448][  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)
[   13.378636][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.378827][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.379021][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.379209][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.379410][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.379603][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.379794][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.380017][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.380206][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.380402][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.380588][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.381111][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.381307][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.381494][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.381681][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.381871][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.382098][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.382295][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.382482][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.382669][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.382864][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.383081][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.383279][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.383469][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.383664][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.383859][  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))
[   13.384052][  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))
[   13.384249][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.384443][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.384634][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.384826][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.385020][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.385234][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.385442][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.385643][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.385829][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.386064][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   13.386260][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.386452][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.386651][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   13.386841][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.387077][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.387263][  T243]  __sys_sendmsg (net/socket.c:2784)
[   13.387393][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.387520][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.387688][  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)
[   13.387818][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.387947][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.388110][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.388244][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.388372][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.388532][  T243] RIP: 0033:0x7f51c066b08e
[   13.388671][  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
[   13.389143][  T243] RSP: 002b:00007ffccb609aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.389345][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f51c066b08e
[   13.389536][  T243] RDX: 0000000000000000 RSI: 00007ffccb609b50 RDI: 0000000000000005
[   13.389736][  T243] RBP: 00007ffccb609ab0 R08: 0000000000000000 R09: 0000000000000000
[   13.389927][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e9
[   13.390124][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccb60a220
| [   13.399529][  T243] ------------[ cut here ]------------
| [   13.399687][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/243
| [   13.399910][  T243] Modules linked in:
| [   13.400300][  T243] Tainted: [W]=WARN
[   13.400401][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.400571][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.400738][  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
[   13.401226][  T243] RSP: 0018:ffa0000000b36fc0 EFLAGS: 00010286
[   13.401390][  T243] RAX: 00000000ffffffa6 RBX: ff1100000cdfe200 RCX: 1ff4000000166dbe
[   13.401584][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdfe2bc
[   13.401777][  T243] RBP: ff1100000a754000 R08: 1fe22000019bfc59 R09: ff1100000f748b58
[   13.401974][  T243] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.402176][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f31c3d0
[   13.402376][  T243] FS:  00007f51c0431840(0000) GS:ff110000d9147000(0000) knlGS:0000000000000000
[   13.402604][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.402766][  T243] CR2: 00007f51c07011a0 CR3: 000000001061d002 CR4: 0000000000771ef0
[   13.402977][  T243] PKRU: 55555554
[   13.403075][  T243] Call Trace:
[   13.403171][  T243]  <TASK>
[   13.403246][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.403375][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.403505][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.403603][  T243]  __dev_change_net_namespace (net/core/dev.c:12695)
[   13.403766][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.403893][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.404030][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.404194][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.404325][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.404454][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.404583][  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))
[   13.404714][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.404847][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.404984][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.405116][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.405280][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.405409][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.405538][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.405666][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.405796][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   13.405928][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.406065][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.406194][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.406328][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.406457][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.406585][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.406713][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.406840][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.407005][  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)
[   13.407138][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.407282][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.407414][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.407543][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.407675][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.407807][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.407940][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.408077][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.408207][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.408341][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.408470][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.408601][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.408731][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.408858][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.408993][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.409125][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.409260][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.409389][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.409520][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.409647][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.409779][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.409906][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.410044][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.410173][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.410330][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.410468][  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))
[   13.410596][  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))
[   13.410725][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.410853][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.410989][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.411118][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.411254][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.411382][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.411515][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.411644][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.411773][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.411931][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   13.412066][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.412194][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.412328][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   13.412456][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.412613][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.412752][  T243]  __sys_sendmsg (net/socket.c:2784)
[   13.412881][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.413014][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.413175][  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)
[   13.413320][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.413449][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.413576][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.413704][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.413831][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.413997][  T243] RIP: 0033:0x7f51c066b08e
[   13.414131][  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
[   13.414591][  T243] RSP: 002b:00007ffccb609aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.414785][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f51c066b08e
[   13.414982][  T243] RDX: 0000000000000000 RSI: 00007ffccb609b50 RDI: 0000000000000005
[   13.415191][  T243] RBP: 00007ffccb609ab0 R08: 0000000000000000 R09: 0000000000000000
[   13.415393][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e9
[   13.415587][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccb60a220
| [   13.417824][  T243] ------------[ cut here ]------------
| [   13.417983][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/243
| [   13.418207][  T243] Modules linked in:
| [   13.418791][  T243] Tainted: [W]=WARN
[   13.418888][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.419081][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.419255][  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
[   13.419707][  T243] RSP: 0018:ffa0000000b37038 EFLAGS: 00010286
[   13.419886][  T243] RAX: 00000000ffffffa6 RBX: ff1100000cdfe580 RCX: 1ff4000000166dcd
[   13.420173][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdfe63c
[   13.420447][  T243] RBP: ff1100000a754000 R08: 1fe22000019bfcc9 R09: ff1100000f748b58
[   13.420655][  T243] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.420845][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.421142][  T243] FS:  00007f51c0431840(0000) GS:ff110000d9147000(0000) knlGS:0000000000000000
[   13.421375][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.421535][  T243] CR2: 00007f51c07011a0 CR3: 000000001061d002 CR4: 0000000000771ef0
[   13.421824][  T243] PKRU: 55555554
[   13.421919][  T243] Call Trace:
[   13.422019][  T243]  <TASK>
[   13.422086][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.422301][  T243]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.422431][  T243]  notifier_call_chain (kernel/notifier.c:85)
[   13.422562][  T243]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   13.422690][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.422932][  T243]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   13.423094][  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))
[   13.423227][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.423357][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   13.423572][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.423714][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.423872][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.424002][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.424214][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.424344][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.424474][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   13.424602][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.424812][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.424938][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.425068][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.425195][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.425408][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.425546][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.425679][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.425807][  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)
[   13.426022][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.426148][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.426279][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.426404][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.426618][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.426748][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.426880][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.427011][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.427227][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.427353][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.427477][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.427607][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.427818][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.427974][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.428105][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.428236][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.428366][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.428494][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.428621][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.428749][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.428963][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.429099][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.429232][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.429359][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.429569][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.429701][  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))
[   13.429828][  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))
[   13.429961][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.430181][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.430314][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.430444][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.430579][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.430791][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.430920][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.431052][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.431178][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.431429][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   13.431557][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.431686][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.431912][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   13.432099][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.432260][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.432400][  T243]  __sys_sendmsg (net/socket.c:2784)
[   13.432617][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.432745][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.432905][  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)
[   13.433039][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.433260][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.433387][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.433514][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.433645][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.433887][  T243] RIP: 0033:0x7f51c066b08e
[   13.434057][  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
[   13.434618][  T243] RSP: 002b:00007ffccb609aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.434813][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f51c066b08e
[   13.435099][  T243] RDX: 0000000000000000 RSI: 00007ffccb609b50 RDI: 0000000000000005
[   13.435295][  T243] RBP: 00007ffccb609ab0 R08: 0000000000000000 R09: 0000000000000000
[   13.435487][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e9
[   13.435767][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccb60a220
| [   13.500263][  T244] ------------[ cut here ]------------
| [   13.500543][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/244
| [   13.500894][  T244] Modules linked in:
| [   13.501474][  T244] Tainted: [W]=WARN
[   13.501630][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.501896][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.502179][  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
[   13.502939][  T244] RSP: 0018:ffa0000000b37020 EFLAGS: 00010286
[   13.503207][  T244] RAX: 00000000ffffffa6 RBX: ff1100000cdff700 RCX: 1ff4000000166dca
[   13.503531][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdff7bc
[   13.503845][  T244] RBP: ff1100000a754000 R08: 1fe22000019bfef9 R09: ff1100000eaaae58
[   13.504163][  T244] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.504491][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.504806][  T244] FS:  00007f1c2c2b0840(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   13.505186][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.505463][  T244] CR2: 00007f1c2c5801a0 CR3: 000000000e46a006 CR4: 0000000000771ef0
[   13.505834][  T244] PKRU: 55555554
[   13.506001][  T244] Call Trace:
[   13.506162][  T244]  <TASK>
[   13.506288][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.506516][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.506671][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.506933][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   13.507143][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   13.507352][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.507558][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.507780][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.507992][  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))
[   13.508209][  T244]  netif_change_flags (net/core/dev.c:9820)
[   13.508427][  T244]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.508625][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.508837][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.509052][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.509318][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.509519][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.509736][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.509948][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.510167][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   13.510505][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.510775][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.510986][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.511195][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.511422][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.511633][  T244]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.511833][  T244]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   13.512034][  T244]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   13.512241][  T244]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4511)
[   13.512441][  T244]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   13.512691][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.512914][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:3998)
[   13.513125][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.513345][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.513561][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.513765][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.513976][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.514186][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.514401][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.514615][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.514815][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.515024][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.515241][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.515450][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.515656][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.515862][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.516102][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.516326][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.516536][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.516737][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.516940][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.517149][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.517370][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.517586][  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))
[   13.517798][  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))
[   13.518012][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.518231][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.518439][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.518647][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.518859][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.519075][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.519302][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.519516][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.519723][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.519987][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   13.520199][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.520419][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.520632][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   13.520838][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.521108][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.521351][  T244]  __sys_sendmsg (net/socket.c:2784)
[   13.521563][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.521771][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.522032][  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)
[   13.522242][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.522453][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.522654][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.522858][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.523067][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.523330][  T244] RIP: 0033:0x7f1c2c4ea08e
[   13.523547][  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
[   13.524294][  T244] RSP: 002b:00007fffe07e1740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.524609][  T244] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1c2c4ea08e
[   13.524917][  T244] RDX: 0000000000000000 RSI: 00007fffe07e17f0 RDI: 0000000000000005
[   13.525240][  T244] RBP: 00007fffe07e1750 R08: 0000000000000000 R09: 0000000000000000
[   13.525548][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6e9
[   13.525854][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe07e1ec0
| [   13.531083][   T36] ------------[ cut here ]------------
| [   13.531544][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   13.532029][   T36] Modules linked in:
| [   13.532747][   T36] Tainted: [W]=WARN
[   13.532909][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.533152][   T36] Workqueue: events_unbound linkwatch_event
[   13.533517][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.533766][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.534550][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   13.534785][   T36] RAX: 00000000ffffffa6 RBX: ff11000005540200 RCX: 1ff4000000051f02
[   13.535067][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055402bc
[   13.535436][   T36] RBP: ff1100000a754000 R08: 1fe2200000aa8059 R09: ff11000001d751a8
[   13.535809][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.536095][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.536468][   T36] FS:  0000000000000000(0000) GS:ff110000d90c7000(0000) knlGS:0000000000000000
[   13.536799][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.537043][   T36] CR2: 00007f1c2c5801a0 CR3: 000000005314d002 CR4: 0000000000771ef0
[   13.537426][   T36] PKRU: 55555554
[   13.537569][   T36] Call Trace:
[   13.537710][   T36]  <TASK>
[   13.537811][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.538009][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.538199][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.538434][   T36]  netif_state_change (net/core/dev.c:1605)
[   13.538628][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.538866][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.539060][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.539343][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.539537][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.539719][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.539906][   T36]  process_one_work (kernel/workqueue.c:3314)
[   13.540109][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.540393][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.540590][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.540786][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.540975][   T36]  kthread (kernel/kthread.c:436)
[   13.541119][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.541446][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.541636][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.541833][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.542078][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.542357][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.542547][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.545446][   T36] ------------[ cut here ]------------
| [   13.545585][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   13.545832][   T36] Modules linked in:
| [   13.546257][   T36] Tainted: [W]=WARN
[   13.546350][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.546504][   T36] Workqueue: events_unbound linkwatch_event
[   13.546669][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.546830][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.547509][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   13.547666][   T36] RAX: 00000000ffffffa6 RBX: ff1100000bcc71c0 RCX: 1ff4000000051f02
[   13.547853][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bcc727c
[   13.548040][   T36] RBP: ff1100000a4d9000 R08: 1fe2200001798e51 R09: ff11000001d751a8
[   13.548266][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.548448][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.548645][   T36] FS:  0000000000000000(0000) GS:ff110000d9247000(0000) knlGS:0000000000000000
[   13.548872][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.549035][   T36] CR2: 0000561cf28f7d5c CR3: 000000000f9e2005 CR4: 0000000000771ef0
[   13.549225][   T36] PKRU: 55555554
[   13.549317][   T36] Call Trace:
[   13.549408][   T36]  <TASK>
[   13.549474][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.549603][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.549726][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.549825][   T36]  netif_state_change (net/core/dev.c:1605)
[   13.549949][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.550132][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.550262][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.550384][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.550507][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.550627][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.550750][   T36]  process_one_work (kernel/workqueue.c:3314)
[   13.550882][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.551009][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.551137][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.551266][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.551391][   T36]  kthread (kernel/kthread.c:436)
[   13.551482][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.551651][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.551777][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.551899][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.552057][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.552178][   T36]  ? 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