======================================
| xx__-> [    9.602195][  T211] ------------[ cut here ]------------
| [    9.602447][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.602688][  T211] Modules linked in:
| [    9.603100][  T211] Tainted: [W]=WARN
[    9.603203][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.603376][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.603559][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.604035][  T211] RSP: 0018:ffa0000000997a80 EFLAGS: 00010286
[    9.604203][  T211] RAX: 00000000ffffffa6 RBX: ff11000009762200 RCX: 1ff4000000132f16
[    9.604410][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097622bc
[    9.604608][  T211] RBP: ff11000007929000 R08: 1fe22000012ec459 R09: ff1100000ba60b80
[    9.604860][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.605057][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007929000
[    9.605258][  T211] FS:  00007fed39fb2840(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[    9.605498][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.605674][  T211] CR2: 0000000000479648 CR3: 000000000b11c004 CR4: 0000000000771ef0
[    9.605875][  T211] PKRU: 55555554
[    9.605976][  T211] Call Trace:
[    9.606076][  T211]  <TASK>
[    9.606146][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.606287][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.606422][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.606523][  T211]  register_netdevice (net/core/dev.c:11488)
[    9.606663][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.606828][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.606962][  T211]  register_netdev (net/core/dev.c:11552)
[    9.607097][  T211]  loopback_net_init (drivers/net/loopback.c:218)
[    9.607231][  T211]  ops_init (net/core/net_namespace.c:137)
[    9.607339][  T211]  setup_net (net/core/net_namespace.c:446)
[    9.607440][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.607572][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.607709][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.607844][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[    9.607978][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.608117][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.608250][  T211]  ksys_unshare (kernel/fork.c:3243)
[    9.608386][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.608520][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.608657][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.608794][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[    9.608928][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.609062][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.609197][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.609337][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.609472][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.609605][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.609775][  T211] RIP: 0033:0x7fed3a274bcb
[    9.609917][  T211] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.610400][  T211] RSP: 002b:00007ffdcd086a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.610601][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fed3a274bcb
[    9.610804][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.611006][  T211] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.611205][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcd088c60
[    9.611410][  T211] R13: 0000000000000001 R14: 00007fed39fb26f8 R15: 00007ffdcd089801
| [    9.616316][  T211] ------------[ cut here ]------------
| [    9.616458][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.616692][  T211] Modules linked in:
| [    9.617066][  T211] Tainted: [W]=WARN
[    9.617166][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.617338][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.617511][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.617987][  T211] RSP: 0018:ffa0000000997918 EFLAGS: 00010286
[    9.618156][  T211] RAX: 00000000ffffffa6 RBX: ff11000007b0fa80 RCX: 1ff4000000132ee9
[    9.618359][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000007b0fb3c
[    9.618556][  T211] RBP: ff1100000f63c000 R08: 1fe2200000f61f69 R09: ff1100000ba60b80
[    9.618761][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.618960][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f63c000
[    9.619162][  T211] FS:  00007fed39fb2840(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[    9.619401][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.619568][  T211] CR2: 0000000000479648 CR3: 000000000b11c004 CR4: 0000000000771ef0
[    9.619780][  T211] PKRU: 55555554
[    9.619880][  T211] Call Trace:
[    9.619979][  T211]  <TASK>
[    9.620048][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.620183][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.620321][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.620424][  T211]  register_netdevice (net/core/dev.c:11488)
[    9.620561][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.620733][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.620868][  T211]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.621004][  T211]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.621137][  T211]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.621272][  T211]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.621410][  T211]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.621546][  T211]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.621685][  T211]  ops_init (net/core/net_namespace.c:137)
[    9.621787][  T211]  setup_net (net/core/net_namespace.c:446)
[    9.621888][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.622019][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.622152][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.622290][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[    9.622425][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.622560][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.622696][  T211]  ksys_unshare (kernel/fork.c:3243)
[    9.622829][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.622962][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.623094][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.623229][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[    9.623369][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.623504][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.623641][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.623773][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.623906][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.624038][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.624202][  T211] RIP: 0033:0x7fed3a274bcb
[    9.624346][  T211] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.624824][  T211] RSP: 002b:00007ffdcd086a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.625022][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fed3a274bcb
[    9.625220][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.625425][  T211] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.625626][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcd088c60
[    9.625826][  T211] R13: 0000000000000001 R14: 00007fed39fb26f8 R15: 00007ffdcd089801
| [    9.629747][  T211] ------------[ cut here ]------------
| [    9.629882][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.630113][  T211] Modules linked in:
| [    9.630545][  T211] Tainted: [W]=WARN
[    9.630652][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.630821][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.630997][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.631482][  T211] RSP: 0018:ffa00000009978f8 EFLAGS: 00010286
[    9.631657][  T211] RAX: 00000000ffffffa6 RBX: ff1100000b983c40 RCX: 1ff4000000132ee5
[    9.631858][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b983cfc
[    9.632057][  T211] RBP: ff1100000f59c000 R08: 1fe22000017307a1 R09: ff1100000ba60b80
[    9.632259][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.632464][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f59c000
[    9.632669][  T211] FS:  00007fed39fb2840(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[    9.632902][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.633071][  T211] CR2: 0000000000479648 CR3: 000000000b11c004 CR4: 0000000000771ef0
[    9.633280][  T211] PKRU: 55555554
[    9.633381][  T211] Call Trace:
[    9.633480][  T211]  <TASK>
[    9.633549][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.633687][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.633822][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.633924][  T211]  register_netdevice (net/core/dev.c:11488)
[    9.634062][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.634227][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.634369][  T211]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.634502][  T211]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.634639][  T211]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.634872][  T211]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.635009][  T211]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.635147][  T211]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.635287][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.635423][  T211]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.635556][  T211]  ops_init (net/core/net_namespace.c:137)
[    9.635661][  T211]  setup_net (net/core/net_namespace.c:446)
[    9.635762][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.635984][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.636118][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.636256][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[    9.636394][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.636623][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.636757][  T211]  ksys_unshare (kernel/fork.c:3243)
[    9.636889][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.637022][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.637246][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.637386][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[    9.637521][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.637659][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.637883][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.638016][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.638149][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.638286][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.638541][  T211] RIP: 0033:0x7fed3a274bcb
[    9.638687][  T211] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.639252][  T211] RSP: 002b:00007ffdcd086a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.639455][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fed3a274bcb
[    9.639748][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.639945][  T211] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.640142][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcd088c60
[    9.640434][  T211] R13: 0000000000000001 R14: 00007fed39fb26f8 R15: 00007ffdcd089801
| [    9.644876][  T211] ------------[ cut here ]------------
| [    9.645015][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.645335][  T211] Modules linked in:
| [    9.645710][  T211] Tainted: [W]=WARN
[    9.645895][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.646060][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.646231][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.646800][  T211] RSP: 0018:ffa0000000997a78 EFLAGS: 00010286
[    9.646966][  T211] RAX: 00000000ffffffa6 RBX: ff1100000b9838c0 RCX: 1ff4000000132f15
[    9.647251][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b98397c
[    9.647453][  T211] RBP: ff1100000e599000 R08: 1fe2200001730731 R09: ff1100000ba60b80
[    9.647742][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.647939][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e599000
[    9.648138][  T211] FS:  00007fed39fb2840(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[    9.648466][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.648635][  T211] CR2: 0000000000479648 CR3: 000000000b11c004 CR4: 0000000000771ef0
[    9.648832][  T211] PKRU: 55555554
[    9.649019][  T211] Call Trace:
[    9.649117][  T211]  <TASK>
[    9.649185][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.649320][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.649456][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.649648][  T211]  register_netdevice (net/core/dev.c:11488)
[    9.649780][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.649943][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.650076][  T211]  register_netdev (net/core/dev.c:11552)
[    9.650300][  T211]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.650434][  T211]  ops_init (net/core/net_namespace.c:137)
[    9.650538][  T211]  setup_net (net/core/net_namespace.c:446)
[    9.650642][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.650859][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.650991][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.651124][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[    9.651257][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.651485][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.651624][  T211]  ksys_unshare (kernel/fork.c:3243)
[    9.651754][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.651885][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.652103][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.652236][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[    9.652375][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.652506][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.652733][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.652863][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.652994][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.653127][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.653383][  T211] RIP: 0033:0x7fed3a274bcb
[    9.653521][  T211] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.654103][  T211] RSP: 002b:00007ffdcd086a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.654306][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fed3a274bcb
[    9.654502][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.654792][  T211] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.654991][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcd088c60
[    9.655284][  T211] R13: 0000000000000001 R14: 00007fed39fb26f8 R15: 00007ffdcd089801
| [    9.661058][  T211] ------------[ cut here ]------------
| [    9.661197][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.661434][  T211] Modules linked in:
| [    9.661801][  T211] Tainted: [W]=WARN
[    9.661905][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.662071][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.662244][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.662727][  T211] RSP: 0018:ffa0000000997a68 EFLAGS: 00010286
[    9.662894][  T211] RAX: 00000000ffffffa6 RBX: ff110000098af540 RCX: 1ff4000000132f13
[    9.663092][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000098af5fc
[    9.663293][  T211] RBP: ff1100000fe74000 R08: 1fe2200001315ec1 R09: ff1100000ba60b80
[    9.663492][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.663728][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe74000
[    9.663931][  T211] FS:  00007fed39fb2840(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[    9.664163][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.664335][  T211] CR2: 0000000000479648 CR3: 000000000b11c004 CR4: 0000000000771ef0
[    9.664535][  T211] PKRU: 55555554
[    9.664639][  T211] Call Trace:
[    9.664738][  T211]  <TASK>
[    9.664807][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.664939][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.665070][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.665171][  T211]  register_netdevice (net/core/dev.c:11488)
[    9.665310][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.665479][  T211]  register_netdev (net/core/dev.c:11552)
[    9.665612][  T211]  sit_init_net (net/ipv6/sit.c:1860)
[    9.665749][  T211]  ops_init (net/core/net_namespace.c:137)
[    9.665850][  T211]  setup_net (net/core/net_namespace.c:446)
[    9.665950][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.666082][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.666214][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.666355][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[    9.666489][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.666629][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.666761][  T211]  ksys_unshare (kernel/fork.c:3243)
[    9.666892][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.667024][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.667157][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.667357][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[    9.667546][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.667683][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.667815][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.667948][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.668080][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.668213][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.668434][  T211] RIP: 0033:0x7fed3a274bcb
[    9.668575][  T211] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.669048][  T211] RSP: 002b:00007ffdcd086a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.669246][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fed3a274bcb
[    9.669499][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.669695][  T211] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.669891][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcd088c60
[    9.670087][  T211] R13: 0000000000000001 R14: 00007fed39fb26f8 R15: 00007ffdcd089801
| [    9.681762][  T211] ------------[ cut here ]------------
| [    9.681908][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/211
| [    9.682137][  T211] Modules linked in:
| [    9.682518][  T211] Tainted: [W]=WARN
[    9.682623][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.682788][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.682960][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.683437][  T211] RSP: 0018:ffa0000000997a78 EFLAGS: 00010286
[    9.683603][  T211] RAX: 00000000ffffffa6 RBX: ff11000009565700 RCX: 1ff4000000132f15
[    9.683803][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095657bc
[    9.683998][  T211] RBP: ff1100000f5e4000 R08: 1fe22000012acaf9 R09: ff1100000ba60b80
[    9.684195][  T211] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.684396][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5e4000
[    9.684595][  T211] FS:  00007fed39fb2840(0000) GS:ff110000dcb47000(0000) knlGS:0000000000000000
[    9.684835][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.685000][  T211] CR2: 00007f817827e574 CR3: 000000000b11c006 CR4: 0000000000771ef0
[    9.685197][  T211] PKRU: 55555554
[    9.685303][  T211] Call Trace:
[    9.685402][  T211]  <TASK>
[    9.685472][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.685606][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.685745][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.685847][  T211]  register_netdevice (net/core/dev.c:11488)
[    9.685984][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.686152][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.686337][  T211]  register_netdev (net/core/dev.c:11552)
[    9.686473][  T211]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.686608][  T211]  ops_init (net/core/net_namespace.c:137)
[    9.686716][  T211]  setup_net (net/core/net_namespace.c:446)
[    9.686816][  T211]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.686948][  T211]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.687082][  T211]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.687216][  T211]  copy_net_ns (net/core/net_namespace.c:579)
[    9.687355][  T211]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.687492][  T211]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.687629][  T211]  ksys_unshare (kernel/fork.c:3243)
[    9.687763][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.687897][  T211]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.688031][  T211]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.688165][  T211]  ? __ia32_sys_open (fs/open.c:1374)
[    9.688305][  T211]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.688439][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.688570][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.688708][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.688843][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.688977][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.689142][  T211] RIP: 0033:0x7fed3a274bcb
[    9.689284][  T211] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.689757][  T211] RSP: 002b:00007ffdcd086a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.689957][  T211] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fed3a274bcb
[    9.690153][  T211] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.690358][  T211] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.690553][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcd088c60
[    9.690755][  T211] R13: 0000000000000001 R14: 00007fed39fb26f8 R15: 00007ffdcd089801
| [    9.717289][  T212] ------------[ cut here ]------------
| [    9.717435][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.717671][  T212] Modules linked in:
| [    9.718037][  T212] Tainted: [W]=WARN
[    9.718135][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.718304][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.718473][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.718942][  T212] RSP: 0018:ffa00000009a7020 EFLAGS: 00010286
[    9.719105][  T212] RAX: 00000000ffffffa6 RBX: ff1100000b370e40 RCX: 1ff4000000134dca
[    9.719304][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b370efc
[    9.719498][  T212] RBP: ff11000007929000 R08: 1fe220000166e1e1 R09: ff1100000ba62e58
[    9.719715][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.719908][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.720103][  T212] FS:  00007f82c0a20840(0000) GS:ff110000dcc47000(0000) knlGS:0000000000000000
[    9.720338][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.720501][  T212] CR2: 00007f82c0cf01a0 CR3: 000000000f557005 CR4: 0000000000771ef0
[    9.720698][  T212] PKRU: 55555554
[    9.720795][  T212] Call Trace:
[    9.720892][  T212]  <TASK>
[    9.720959][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.721092][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.721192][  T212]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.721329][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[    9.721462][  T212]  ? netif_change_name (net/core/dev.c:1495)
[    9.721594][  T212]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.721729][  T212]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.721859][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.721990][  T212]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.722127][  T212]  netif_change_flags (net/core/dev.c:9820)
[    9.722260][  T212]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.722397][  T212]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.722530][  T212]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.722665][  T212]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.722830][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.722964][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.723096][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.723226][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.723989][  T212]  ? __kernel_text_address (kernel/extable.c:79)
[    9.724123][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.724254][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.724448][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.724665][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.724798][  T212]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.724927][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.725057][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.725188][  T212]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.725348][  T212]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.725481][  T212]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.725613][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.725753][  T212]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.725886][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.726018][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.726150][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.726284][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.726414][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.726545][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.726682][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.726815][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.726944][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.727074][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.727205][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.727341][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.727472][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.727602][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.727740][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.727872][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.728004][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.728133][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.728263][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.728400][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.728530][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.728669][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.728801][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.728933][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.729065][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.729195][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.729331][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.729462][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.729592][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.729728][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.729861][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.729991][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.730152][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[    9.730288][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.730418][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.730550][  T212]  ___sys_sendmsg (net/socket.c:2752)
[    9.730685][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.730848][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.730991][  T212]  __sys_sendmsg (net/socket.c:2784)
[    9.731122][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.731250][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.731417][  T212]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.731547][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.731684][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.731816][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.731946][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.732076][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.732238][  T212] RIP: 0033:0x7f82c0c5a08e
[    9.732380][  T212] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.732852][  T212] RSP: 002b:00007ffcc1aae730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.733048][  T212] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f82c0c5a08e
[    9.733243][  T212] RDX: 0000000000000000 RSI: 00007ffcc1aae7e0 RDI: 0000000000000005
[    9.733442][  T212] RBP: 00007ffcc1aae740 R08: 0000000000000000 R09: 0000000000000000
[    9.733643][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e85f
[    9.733838][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc1aaeeb0
| [    9.853823][  T216] ------------[ cut here ]------------
| [    9.853993][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [    9.854227][  T216] Modules linked in:
| [    9.854665][  T216] Tainted: [W]=WARN
[    9.854765][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.854930][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.855106][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.855586][  T216] RSP: 0018:ffa00000009e7a80 EFLAGS: 00010286
[    9.855762][  T216] RAX: 00000000ffffffa6 RBX: ff1100000b42a740 RCX: 1ff400000013cf16
[    9.855960][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b42a7fc
[    9.856160][  T216] RBP: ff1100000f439000 R08: 1fe2200001685501 R09: ff11000009a5d180
[    9.856363][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.856562][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f439000
[    9.856799][  T216] FS:  00007fe252374840(0000) GS:ff110000dcc47000(0000) knlGS:0000000000000000
[    9.857035][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.857202][  T216] CR2: 00007fe252580690 CR3: 0000000009a27001 CR4: 0000000000771ef0
[    9.857407][  T216] PKRU: 55555554
[    9.857508][  T216] Call Trace:
[    9.857609][  T216]  <TASK>
[    9.857688][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.857823][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.857957][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.858059][  T216]  register_netdevice (net/core/dev.c:11488)
[    9.858196][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.858367][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.858503][  T216]  register_netdev (net/core/dev.c:11552)
[    9.858640][  T216]  loopback_net_init (drivers/net/loopback.c:218)
[    9.858775][  T216]  ops_init (net/core/net_namespace.c:137)
[    9.858877][  T216]  setup_net (net/core/net_namespace.c:446)
[    9.858978][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.859109][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.859242][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.859385][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[    9.859519][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.859660][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.859793][  T216]  ksys_unshare (kernel/fork.c:3243)
[    9.859926][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.860060][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.860195][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.860335][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[    9.860468][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.860600][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.860738][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.860869][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.861003][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.861134][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.861303][  T216] RIP: 0033:0x7fe252636bcb
[    9.861445][  T216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.861918][  T216] RSP: 002b:00007ffed571a6a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.862117][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe252636bcb
[    9.862319][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.862515][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.862718][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed571c8d0
[    9.862915][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed571e801
| [    9.867204][  T216] ------------[ cut here ]------------
| [    9.867350][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [    9.867576][  T216] Modules linked in:
| [    9.867946][  T216] Tainted: [W]=WARN
[    9.868046][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.868211][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.868384][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.868856][  T216] RSP: 0018:ffa00000009e7918 EFLAGS: 00010286
[    9.869020][  T216] RAX: 00000000ffffffa6 RBX: ff1100000d45d1c0 RCX: 1ff400000013cee9
[    9.869215][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d45d27c
[    9.869416][  T216] RBP: ff1100000e44c000 R08: 1fe2200001a8ba51 R09: ff11000009a5d180
[    9.869613][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.869813][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e44c000
[    9.870011][  T216] FS:  00007fe252374840(0000) GS:ff110000dcc47000(0000) knlGS:0000000000000000
[    9.870240][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.870410][  T216] CR2: 00007fe252580690 CR3: 0000000009a27001 CR4: 0000000000771ef0
[    9.870607][  T216] PKRU: 55555554
[    9.870712][  T216] Call Trace:
[    9.870811][  T216]  <TASK>
[    9.870878][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.871009][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.871140][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.871241][  T216]  register_netdevice (net/core/dev.c:11488)
[    9.871378][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.871541][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.871678][  T216]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.871810][  T216]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.871942][  T216]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.872072][  T216]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.872203][  T216]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.872340][  T216]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.872473][  T216]  ops_init (net/core/net_namespace.c:137)
[    9.872574][  T216]  setup_net (net/core/net_namespace.c:446)
[    9.872680][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.872809][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.872941][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.873075][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[    9.873207][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.873345][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.873476][  T216]  ksys_unshare (kernel/fork.c:3243)
[    9.873608][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.873745][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.873875][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.874008][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[    9.874140][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.874268][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.874404][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.874534][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.874672][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.874802][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.874961][  T216] RIP: 0033:0x7fe252636bcb
[    9.875099][  T216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.875565][  T216] RSP: 002b:00007ffed571a6a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.875765][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe252636bcb
[    9.875958][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.876153][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.876350][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed571c8d0
[    9.876543][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed571e801
| [    9.880362][  T216] ------------[ cut here ]------------
| [    9.880499][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [    9.880730][  T216] Modules linked in:
| [    9.881097][  T216] Tainted: [W]=WARN
[    9.881195][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.881365][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.881536][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.882008][  T216] RSP: 0018:ffa00000009e78f8 EFLAGS: 00010286
[    9.882174][  T216] RAX: 00000000ffffffa6 RBX: ff1100000d45c200 RCX: 1ff400000013cee5
[    9.882374][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d45c2bc
[    9.882570][  T216] RBP: ff1100000d7ac000 R08: 1fe2200001a8b859 R09: ff11000009a5d180
[    9.882773][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.882969][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d7ac000
[    9.883165][  T216] FS:  00007fe252374840(0000) GS:ff110000dcc47000(0000) knlGS:0000000000000000
[    9.883402][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.883569][  T216] CR2: 00007fe252580690 CR3: 0000000009a27001 CR4: 0000000000771ef0
[    9.883771][  T216] PKRU: 55555554
[    9.883871][  T216] Call Trace:
[    9.883971][  T216]  <TASK>
[    9.884038][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.884171][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.884309][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.884412][  T216]  register_netdevice (net/core/dev.c:11488)
[    9.884546][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.884716][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.884850][  T216]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.885073][  T216]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.885209][  T216]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.885349][  T216]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.885484][  T216]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.885712][  T216]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.885846][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.885982][  T216]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.886117][  T216]  ops_init (net/core/net_namespace.c:137)
[    9.886219][  T216]  setup_net (net/core/net_namespace.c:446)
[    9.886412][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.886545][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.886684][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.886818][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[    9.887040][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.887178][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.887316][  T216]  ksys_unshare (kernel/fork.c:3243)
[    9.887448][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.887675][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.887809][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.887944][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[    9.888077][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.888303][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.888438][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.888570][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.888706][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.888924][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.889090][  T216] RIP: 0033:0x7fe252636bcb
[    9.889228][  T216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.889817][  T216] RSP: 002b:00007ffed571a6a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.890018][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe252636bcb
[    9.890320][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.890519][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.890809][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed571c8d0
[    9.891009][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed571e801
| [    9.904104][  T216] ------------[ cut here ]------------
| [    9.904243][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [    9.904481][  T216] Modules linked in:
| [    9.904858][  T216] Tainted: [W]=WARN
[    9.904959][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.905126][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.905303][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.905779][  T216] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[    9.905948][  T216] RAX: 00000000ffffffa6 RBX: ff1100000b42b380 RCX: 1ff400000013cf15
[    9.906147][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b42b43c
[    9.906352][  T216] RBP: ff1100000e19c000 R08: 1fe2200001685689 R09: ff11000009a5d180
[    9.906551][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.906753][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e19c000
[    9.906952][  T216] FS:  00007fe252374840(0000) GS:ff110000dcc47000(0000) knlGS:0000000000000000
[    9.907186][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.907354][  T216] CR2: 00007fe252580690 CR3: 0000000009a27001 CR4: 0000000000771ef0
[    9.907553][  T216] PKRU: 55555554
[    9.907657][  T216] Call Trace:
[    9.907756][  T216]  <TASK>
[    9.907824][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.907957][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.908091][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.908191][  T216]  register_netdevice (net/core/dev.c:11488)
[    9.908330][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.908495][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.908633][  T216]  register_netdev (net/core/dev.c:11552)
[    9.908766][  T216]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.908901][  T216]  ops_init (net/core/net_namespace.c:137)
[    9.909006][  T216]  setup_net (net/core/net_namespace.c:446)
[    9.909108][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.909237][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.909374][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.909509][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[    9.909650][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.909783][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.909917][  T216]  ksys_unshare (kernel/fork.c:3243)
[    9.910047][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.910178][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.910313][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.910444][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[    9.910576][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.910710][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.910841][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.910974][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.911105][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.911237][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.911404][  T216] RIP: 0033:0x7fe252636bcb
[    9.911539][  T216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.912011][  T216] RSP: 002b:00007ffed571a6a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.912210][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe252636bcb
[    9.912414][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.912608][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.912811][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed571c8d0
[    9.913007][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed571e801
| [    9.917099][  T216] ------------[ cut here ]------------
| [    9.917238][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [    9.917469][  T216] Modules linked in:
| [    9.917834][  T216] Tainted: [W]=WARN
[    9.917933][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.918097][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.918266][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.918735][  T216] RSP: 0018:ffa00000009e7a68 EFLAGS: 00010286
[    9.918903][  T216] RAX: 00000000ffffffa6 RBX: ff1100000e6a63c0 RCX: 1ff400000013cf13
[    9.919100][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6a647c
[    9.919299][  T216] RBP: ff11000002424000 R08: 1fe2200001cd4c91 R09: ff11000009a5d180
[    9.919495][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.919697][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002424000
[    9.919893][  T216] FS:  00007fe252374840(0000) GS:ff110000dcc47000(0000) knlGS:0000000000000000
[    9.920124][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.920290][  T216] CR2: 00007fe252580690 CR3: 0000000009a27001 CR4: 0000000000771ef0
[    9.920487][  T216] PKRU: 55555554
[    9.920588][  T216] Call Trace:
[    9.920691][  T216]  <TASK>
[    9.920759][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.920890][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.921021][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.921122][  T216]  register_netdevice (net/core/dev.c:11488)
[    9.921253][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.921421][  T216]  register_netdev (net/core/dev.c:11552)
[    9.921555][  T216]  sit_init_net (net/ipv6/sit.c:1860)
[    9.921693][  T216]  ops_init (net/core/net_namespace.c:137)
[    9.921793][  T216]  setup_net (net/core/net_namespace.c:446)
[    9.921893][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.922023][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.922154][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.922290][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[    9.922424][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.922557][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.922695][  T216]  ksys_unshare (kernel/fork.c:3243)
[    9.922826][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.922957][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.923088][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.923220][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[    9.923357][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.923487][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.923617][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.923755][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.923885][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.924016][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.924178][  T216] RIP: 0033:0x7fe252636bcb
[    9.924319][  T216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.924793][  T216] RSP: 002b:00007ffed571a6a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.924991][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe252636bcb
[    9.925187][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.925388][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.925582][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed571c8d0
[    9.925781][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed571e801
| [    9.931476][  T216] ------------[ cut here ]------------
| [    9.931610][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [    9.931838][  T216] Modules linked in:
| [    9.932203][  T216] Tainted: [W]=WARN
[    9.932307][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.932470][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.932646][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.933110][  T216] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[    9.933278][  T216] RAX: 00000000ffffffa6 RBX: ff1100000b090040 RCX: 1ff400000013cf15
[    9.933473][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b0900fc
[    9.933674][  T216] RBP: ff1100000fc81000 R08: 1fe2200001612021 R09: ff11000009a5d180
[    9.933871][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.934067][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc81000
[    9.934263][  T216] FS:  00007fe252374840(0000) GS:ff110000dcc47000(0000) knlGS:0000000000000000
[    9.934498][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.934667][  T216] CR2: 00007fe252580690 CR3: 0000000009a27001 CR4: 0000000000771ef0
[    9.934866][  T216] PKRU: 55555554
[    9.934965][  T216] Call Trace:
[    9.935063][  T216]  <TASK>
[    9.935132][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.935262][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.935398][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.935499][  T216]  register_netdevice (net/core/dev.c:11488)
[    9.935638][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.935801][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.935935][  T216]  register_netdev (net/core/dev.c:11552)
[    9.936067][  T216]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.936198][  T216]  ops_init (net/core/net_namespace.c:137)
[    9.936304][  T216]  setup_net (net/core/net_namespace.c:446)
[    9.936405][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.936538][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.936674][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.936808][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[    9.936942][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.937076][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.937208][  T216]  ksys_unshare (kernel/fork.c:3243)
[    9.937846][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.937981][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.938111][  T216]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.938243][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[    9.938431][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.938564][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.938699][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.938829][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.938961][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.939097][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.939259][  T216] RIP: 0033:0x7fe252636bcb
[    9.939458][  T216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.939926][  T216] RSP: 002b:00007ffed571a6a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.940125][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe252636bcb
[    9.940373][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.940568][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.940768][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed571c8d0
[    9.940967][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed571e801
| [    9.975919][  T217] ------------[ cut here ]------------
| [    9.976067][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [    9.976303][  T217] Modules linked in:
| [    9.976684][  T217] Tainted: [W]=WARN
[    9.976782][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.976946][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.977117][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.977586][  T217] RSP: 0018:ffa00000009f7020 EFLAGS: 00010286
[    9.977755][  T217] RAX: 00000000ffffffa6 RBX: ff110000095651c0 RCX: 1ff400000013edca
[    9.977948][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000956527c
[    9.978146][  T217] RBP: ff1100000f439000 R08: 1fe22000012aca51 R09: ff1100000bed8b58
[    9.978346][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.978540][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.978740][  T217] FS:  00007f40647e4840(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[    9.978976][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.979139][  T217] CR2: 000000001f14e988 CR3: 0000000009a22005 CR4: 0000000000771ef0
[    9.979342][  T217] PKRU: 55555554
[    9.979441][  T217] Call Trace:
[    9.979539][  T217]  <TASK>
[    9.979607][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.979743][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.979845][  T217]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.979976][  T217]  __dev_notify_flags (net/core/dev.c:9787)
[    9.980113][  T217]  ? netif_change_name (net/core/dev.c:1495)
[    9.980244][  T217]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.980382][  T217]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.980513][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.980651][  T217]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.980785][  T217]  netif_change_flags (net/core/dev.c:9820)
[    9.980918][  T217]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.981049][  T217]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.981182][  T217]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.981320][  T217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.981485][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.981617][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.981752][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.981881][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.982012][  T217]  ? __kernel_text_address (kernel/extable.c:79)
[    9.982143][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.982281][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.982411][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.982545][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.982681][  T217]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.982811][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.982942][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.983072][  T217]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.983203][  T217]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.983339][  T217]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.983470][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.983604][  T217]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.983740][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.983874][  T217]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.984007][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.984136][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.984266][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.984402][  T217]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.984530][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.984669][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.984798][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.984928][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.985057][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.985188][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.985324][  T217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.985458][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.985590][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.985723][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.985855][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.985985][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.986117][  T217]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.986247][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.986383][  T217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.986517][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.986653][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.986784][  T217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.986916][  T217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.987046][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.987177][  T217]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.987314][  T217]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.987445][  T217]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.987579][  T217]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.987716][  T217]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.987845][  T217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.988006][  T217]  ? move_addr_to_kernel (net/socket.c:258)
[    9.988138][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.988267][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.988403][  T217]  ___sys_sendmsg (net/socket.c:2752)
[    9.988533][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.988700][  T217]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.988841][  T217]  __sys_sendmsg (net/socket.c:2784)
[    9.988973][  T217]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.989102][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.989264][  T217]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.989401][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.989532][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.989668][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.989798][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.989929][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.990090][  T217] RIP: 0033:0x7f4064a1e08e
[    9.990226][  T217] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.990702][  T217] RSP: 002b:00007fff793a7fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.990898][  T217] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4064a1e08e
[    9.991094][  T217] RDX: 0000000000000000 RSI: 00007fff793a8050 RDI: 0000000000000005
[    9.991293][  T217] RBP: 00007fff793a7fb0 R08: 0000000000000000 R09: 0000000000000000
[    9.991489][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e860
[    9.991689][  T217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff793a8720
| [   10.834138][  T240] ------------[ cut here ]------------
| [   10.834445][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/240
| [   10.834786][  T240] Modules linked in:
| [   10.835315][  T240] Tainted: [W]=WARN
[   10.835465][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.835690][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.835915][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.836452][  T240] RSP: 0018:ffa0000000ae6e30 EFLAGS: 00010286
[   10.836678][  T240] RAX: 00000000ffffffa6 RBX: ff110000100b9540 RCX: 1ff400000015cd8c
[   10.836929][  T240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100b95fc
[   10.837175][  T240] RBP: ff1100000ff49000 R08: 1fe22000020172c1 R09: ff1100000ec92e80
[   10.837435][  T240] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.837692][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c25580
[   10.837946][  T240] FS:  00007fc224c5e840(0000) GS:ff110000dcbc7000(0000) knlGS:0000000000000000
[   10.838235][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.838481][  T240] CR2: 000000000042ebe0 CR3: 000000001011f005 CR4: 0000000000771ef0
[   10.838735][  T240] PKRU: 55555554
[   10.838882][  T240] Call Trace:
[   10.839031][  T240]  <TASK>
[   10.839149][  T240]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.839377][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.839563][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.839724][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.839909][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.840091][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   10.840289][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.840471][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   10.840697][  T240]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.840889][  T240]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.841073][  T240]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.841261][  T240]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.841457][  T240]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.841648][  T240]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.841833][  T240]  veth_newlink (drivers/net/veth.c:1871)
[   10.842019][  T240]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.842199][  T240]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.842391][  T240]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.842577][  T240]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.842786][  T240]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.842969][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.843154][  T240]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.843348][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.843533][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.843728][  T240]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.843916][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.844102][  T240]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.844296][  T240]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.844485][  T240]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.844677][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.844862][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.845043][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.845226][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.845424][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.845605][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.845799][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.845983][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.846165][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.846359][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.846540][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.846727][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.846914][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.847093][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.847342][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.847528][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.847721][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.847906][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.848085][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.848288][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.848473][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.848659][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.848844][  T240]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.849064][  T240]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.849248][  T240]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.849444][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.849638][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.849823][  T240]  ? __import_iovec (lib/iov_iter.c:1367)
[   10.850010][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.850192][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.850386][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.850599][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   10.850795][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   10.850976][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.851163][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.851365][  T240]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.851551][  T240]  __sys_sendmsg (net/socket.c:2784)
[   10.851736][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.851922][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.852105][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.852300][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.852485][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.852670][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.852853][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.853068][  T240] RIP: 0033:0x7fc224e9808e
[   10.853258][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.853801][  T240] RSP: 002b:00007ffc1e2b2ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.854051][  T240] RAX: ffffffffffffffda RBX: 00007ffc1e2b3268 RCX: 00007fc224e9808e
[   10.854311][  T240] RDX: 0000000000000000 RSI: 00007ffc1e2b2b70 RDI: 0000000000000005
[   10.854559][  T240] RBP: 00007ffc1e2b2ad0 R08: 0000000000000000 R09: 0000000000000000
[   10.854818][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e861
[   10.855066][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1e2b3240
| [   10.863855][  T240] ------------[ cut here ]------------
| [   10.864037][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/240
| [   10.864394][  T240] Modules linked in:
| [   10.864979][  T240] Tainted: [W]=WARN
[   10.865185][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.865477][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.865764][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.866352][  T240] RSP: 0018:ffa0000000ae71b0 EFLAGS: 00010286
[   10.866631][  T240] RAX: 00000000ffffffa6 RBX: ff1100000fcc8580 RCX: 1ff400000015cdfc
[   10.866932][  T240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fcc863c
[   10.867234][  T240] RBP: ff1100000e5a4000 R08: 1fe2200001f990c9 R09: ff1100000ec92e80
[   10.867546][  T240] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.867854][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8d403b20
[   10.868160][  T240] FS:  00007fc224c5e840(0000) GS:ff110000dcbc7000(0000) knlGS:0000000000000000
[   10.868510][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.868788][  T240] CR2: 000000000042ebe0 CR3: 000000001011f005 CR4: 0000000000771ef0
[   10.869099][  T240] PKRU: 55555554
[   10.869316][  T240] Call Trace:
[   10.869518][  T240]  <TASK>
[   10.869696][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.869939][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.870147][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   10.870401][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   10.870651][  T240]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.870889][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.871133][  T240]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.871384][  T240]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.871633][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.871872][  T240]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.872111][  T240]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.872369][  T240]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.872612][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.872860][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.873100][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.873349][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.873586][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.873827][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.874068][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.874323][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.874563][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.874812][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.875050][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.875300][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.875541][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.875787][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.876027][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.876265][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.876576][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.876827][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.877065][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.877319][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.877555][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.877797][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.878034][  T240]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.878322][  T240]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.878557][  T240]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.878804][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.879008][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.879189][  T240]  ? __import_iovec (lib/iov_iter.c:1367)
[   10.879387][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.879570][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.879762][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.879977][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   10.880164][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   10.880357][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.880538][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.880736][  T240]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.880920][  T240]  __sys_sendmsg (net/socket.c:2784)
[   10.881102][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.881303][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.881482][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.881671][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.881852][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.882032][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.882214][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.882439][  T240] RIP: 0033:0x7fc224e9808e
[   10.882631][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.883159][  T240] RSP: 002b:00007ffc1e2b2ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.883420][  T240] RAX: ffffffffffffffda RBX: 00007ffc1e2b3268 RCX: 00007fc224e9808e
[   10.883669][  T240] RDX: 0000000000000000 RSI: 00007ffc1e2b2b70 RDI: 0000000000000005
[   10.883914][  T240] RBP: 00007ffc1e2b2ad0 R08: 0000000000000000 R09: 0000000000000000
[   10.884161][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e861
[   10.884421][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1e2b3240
| [   10.924808][  T242] ------------[ cut here ]------------
| [   10.924965][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/242
| [   10.925193][  T242] Modules linked in:
| [   10.926089][  T242] Tainted: [W]=WARN
[   10.926188][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.926358][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.926534][  T242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.927003][  T242] RSP: 0018:ffa0000000af7020 EFLAGS: 00010286
[   10.927167][  T242] RAX: 00000000ffffffa6 RBX: ff110000098ae040 RCX: 1ff400000015edca
[   10.927370][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000098ae0fc
[   10.927563][  T242] RBP: ff1100000e5a4000 R08: 1fe2200001315c21 R09: ff1100000fa82e58
[   10.927764][  T242] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   10.927953][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.928146][  T242] FS:  00007f8edac77840(0000) GS:ff110000dcb47000(0000) knlGS:0000000000000000
[   10.928384][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.928552][  T242] CR2: 0000000025a97988 CR3: 000000000be03004 CR4: 0000000000771ef0
[   10.928752][  T242] PKRU: 55555554
[   10.928849][  T242] Call Trace:
[   10.928945][  T242]  <TASK>
[   10.929013][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.929144][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.929242][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.929379][  T242]  __dev_notify_flags (net/core/dev.c:9787)
[   10.929510][  T242]  ? netif_change_name (net/core/dev.c:1495)
[   10.929643][  T242]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.929771][  T242]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.929901][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.930030][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.930162][  T242]  netif_change_flags (net/core/dev.c:9820)
[   10.930299][  T242]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.930428][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.930558][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.930695][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.930857][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.930986][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.931114][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.931243][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.931379][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   10.931510][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.931646][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.931773][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.931901][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.932030][  T242]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.932160][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.932293][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.932422][  T242]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.932553][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.932688][  T242]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.932817][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.932949][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.933080][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.933214][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.933440][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.933640][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.933769][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.933898][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.934026][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.934158][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.934341][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.934469][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.934599][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.934731][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.934861][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.934990][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.935117][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.935245][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.935449][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.935578][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.935711][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.935842][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.935973][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.936106][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.936235][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.936432][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.936563][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.936698][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.936830][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.936959][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.937088][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.937219][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.937489][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.937626][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.937786][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   10.937916][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.938045][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.938176][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   10.938343][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.938503][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.938649][  T242]  __sys_sendmsg (net/socket.c:2784)
[   10.938778][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.938907][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.939070][  T242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.939200][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.939334][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.939463][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.939594][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.939730][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.939889][  T242] RIP: 0033:0x7f8edaeb108e
[   10.940024][  T242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.940486][  T242] RSP: 002b:00007ffd6cfad2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.940691][  T242] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8edaeb108e
[   10.940885][  T242] RDX: 0000000000000000 RSI: 00007ffd6cfad370 RDI: 0000000000000005
[   10.941078][  T242] RBP: 00007ffd6cfad2d0 R08: 0000000000000000 R09: 0000000000000000
[   10.941270][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e861
[   10.941471][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6cfada40
| [   10.977001][  T243] ------------[ cut here ]------------
| [   10.977182][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/243
| [   10.977462][  T243] Modules linked in:
| [   10.977942][  T243] Tainted: [W]=WARN
[   10.978085][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.978304][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.978516][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.979022][  T243] RSP: 0018:ffa0000000b06ff8 EFLAGS: 00010286
[   10.979229][  T243] RAX: 00000000ffffffa6 RBX: ff1100000fcc98c0 RCX: 1ff4000000160dc5
[   10.979483][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fcc997c
[   10.979728][  T243] RBP: ff1100000ff49000 R08: 1fe2200001f99331 R09: ff1100000fa80b58
[   10.979961][  T243] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.980195][  T243] R13: 0000000000000000 R14: ffa0000000b07140 R15: ff11000009bd43d0
[   10.980443][  T243] FS:  00007f44b064b840(0000) GS:ff110000dcbc7000(0000) knlGS:0000000000000000
[   10.980725][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.980930][  T243] CR2: 00000000092be988 CR3: 000000000e70c001 CR4: 0000000000771ef0
[   10.981166][  T243] PKRU: 55555554
[   10.981323][  T243] Call Trace:
[   10.981465][  T243]  <TASK>
[   10.981587][  T243]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.981770][  T243]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.981977][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.982153][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.982406][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.982670][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.982895][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.983107][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.983291][  T243]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.983469][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.983662][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.983838][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.984014][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.984218][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.984405][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.984579][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.984764][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.984938][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   10.985112][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.985299][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.985472][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.985653][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.985829][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.986002][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.986177][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.986364][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.986539][  T243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.986720][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.986895][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.987070][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.987242][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.987434][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.987611][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.987794][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.987964][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.988138][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.988323][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.988496][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.988680][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.988856][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.989032][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.989208][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.989393][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.989567][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.989748][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.989921][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.990094][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.990286][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.990457][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.990639][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.990814][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.990988][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.991165][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.991351][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.991530][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.991712][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.991886][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.992062][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.992238][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.992422][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.992597][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.992778][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.992955][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.993157][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   10.993347][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.993522][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.993701][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   10.993874][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.994077][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.994266][  T243]  __sys_sendmsg (net/socket.c:2784)
[   10.994453][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.994632][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.994839][  T243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.995013][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.995188][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.995375][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.995550][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.995732][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.995936][  T243] RIP: 0033:0x7f44b088508e
[   10.996118][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.996633][  T243] RSP: 002b:00007ffd4f5e9440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.996872][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f44b088508e
[   10.997105][  T243] RDX: 0000000000000000 RSI: 00007ffd4f5e94f0 RDI: 0000000000000005
[   10.997351][  T243] RBP: 00007ffd4f5e9450 R08: 0000000000000000 R09: 0000000000000000
[   10.997585][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e861
[   10.997827][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4f5e9bc0
| [   11.001072][  T243] ------------[ cut here ]------------
| [   11.001217][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   11.001450][  T243] Modules linked in:
| [   11.001821][  T243] Tainted: [W]=WARN
[   11.001919][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.002081][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.002249][  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
[   11.002716][  T243] RSP: 0018:ffa0000000b06fc0 EFLAGS: 00010286
[   11.002879][  T243] RAX: 00000000ffffffa6 RBX: ff1100000e630740 RCX: 1ff4000000160dbe
[   11.003071][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6307fc
[   11.003262][  T243] RBP: ff1100000ff49000 R08: 1fe2200001cc6101 R09: ff1100000fa80b58
[   11.003460][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.003656][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bd43d0
[   11.003851][  T243] FS:  00007f44b064b840(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[   11.004075][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.004236][  T243] CR2: 0000563aba4c8d5c CR3: 000000000e70c006 CR4: 0000000000771ef0
[   11.004435][  T243] PKRU: 55555554
[   11.004531][  T243] Call Trace:
[   11.004635][  T243]  <TASK>
[   11.004703][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.004832][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.004962][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.005059][  T243]  __dev_change_net_namespace (net/core/dev.c:12695)
[   11.005220][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.005353][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.005487][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.005655][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.005782][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.005910][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.006038][  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))
[   11.006168][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.006309][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.006442][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.006572][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.006738][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.006865][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.006992][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.007121][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.007251][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   11.007385][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.007514][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.007648][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.007777][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.007907][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.008037][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.008165][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.008299][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.008431][  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)
[   11.008559][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.008694][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.008825][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.008952][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.009083][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.009213][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.009353][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.009481][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.009610][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.009744][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.009871][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.010003][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.010130][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.010258][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.010399][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.010529][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.010664][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.010793][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.010921][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.011048][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.011178][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.011316][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.011445][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.011574][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.011719][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.011851][  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))
[   11.011979][  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))
[   11.012110][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.012241][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.012378][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.012507][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.012640][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.012770][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.012901][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.013032][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.013162][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.013329][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   11.013460][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.013588][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.013724][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   11.013853][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.014014][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.014155][  T243]  __sys_sendmsg (net/socket.c:2784)
[   11.014289][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.014416][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.014578][  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)
[   11.014713][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.014845][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.014974][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.015103][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.015232][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.015399][  T243] RIP: 0033:0x7f44b088508e
[   11.015534][  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
[   11.016001][  T243] RSP: 002b:00007ffd4f5e9440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.016229][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f44b088508e
[   11.016527][  T243] RDX: 0000000000000000 RSI: 00007ffd4f5e94f0 RDI: 0000000000000005
[   11.016828][  T243] RBP: 00007ffd4f5e9450 R08: 0000000000000000 R09: 0000000000000000
[   11.017127][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e861
[   11.017429][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4f5e9bc0
| [   11.019785][  T243] ------------[ cut here ]------------
| [   11.019916][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   11.020142][  T243] Modules linked in:
| [   11.020535][  T243] Tainted: [W]=WARN
[   11.020639][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.020802][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.020971][  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
[   11.021431][  T243] RSP: 0018:ffa0000000b07038 EFLAGS: 00010286
[   11.021592][  T243] RAX: 00000000ffffffa6 RBX: ff1100000e630ac0 RCX: 1ff4000000160dcd
[   11.021793][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e630b7c
[   11.021990][  T243] RBP: ff1100000ff49000 R08: 1fe2200001cc6171 R09: ff1100000fa80b58
[   11.022182][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.022382][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.022579][  T243] FS:  00007f44b064b840(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[   11.022811][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.022974][  T243] CR2: 0000563aba4c8d5c CR3: 000000000e70c006 CR4: 0000000000771ef0
[   11.023167][  T243] PKRU: 55555554
[   11.023263][  T243] Call Trace:
[   11.023366][  T243]  <TASK>
[   11.023436][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.023565][  T243]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.023703][  T243]  notifier_call_chain (kernel/notifier.c:85)
[   11.023835][  T243]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.023966][  T243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.024128][  T243]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.024292][  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))
[   11.024423][  T243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.024556][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.024695][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.024826][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.024986][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.025116][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.025249][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.025385][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.025517][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   11.025654][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.025785][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.025915][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.026046][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.026176][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.026310][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.026440][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.026568][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.026700][  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)
[   11.026830][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.026959][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.027090][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.027219][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.027356][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.027488][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.027618][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.027752][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.027878][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.028007][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.028134][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.028263][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.028397][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.028525][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.028660][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.028791][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.028922][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.029050][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.029178][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.029311][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.029444][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.029573][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.029708][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.029836][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.029968][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.030101][  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))
[   11.030229][  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))
[   11.030366][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.030495][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.030631][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.030763][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.030892][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.031024][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.031159][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.031294][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.031423][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.031584][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   11.031723][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.031851][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.031982][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   11.032112][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.032272][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.032419][  T243]  __sys_sendmsg (net/socket.c:2784)
[   11.032547][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.032681][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.032844][  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)
[   11.032974][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.033105][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.033233][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.033371][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.033499][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.033668][  T243] RIP: 0033:0x7f44b088508e
[   11.033803][  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
[   11.034268][  T243] RSP: 002b:00007ffd4f5e9440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.034469][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f44b088508e
[   11.034667][  T243] RDX: 0000000000000000 RSI: 00007ffd4f5e94f0 RDI: 0000000000000005
[   11.034860][  T243] RBP: 00007ffd4f5e9450 R08: 0000000000000000 R09: 0000000000000000
[   11.035054][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e861
[   11.035250][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4f5e9bc0
| [   11.073466][  T244] ------------[ cut here ]------------
| [   11.073656][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/244
| [   11.073934][  T244] Modules linked in:
| [   11.074412][  T244] Tainted: [W]=WARN
[   11.074558][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.074775][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.074990][  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
[   11.075586][  T244] RSP: 0018:ffa0000000987020 EFLAGS: 00010286
[   11.075904][  T244] RAX: 00000000ffffffa6 RBX: ff1100000e631c40 RCX: 1ff4000000130dca
[   11.076220][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e631cfc
[   11.076572][  T244] RBP: ff1100000ff49000 R08: 1fe2200001cc63a1 R09: ff1100000f758b58
[   11.076897][  T244] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.077226][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.077544][  T244] FS:  00007f5bb7641840(0000) GS:ff110000dcbc7000(0000) knlGS:0000000000000000
[   11.077825][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.078038][  T244] CR2: 00007f5bb79111a0 CR3: 000000000f8ad003 CR4: 0000000000771ef0
[   11.078292][  T244] PKRU: 55555554
[   11.078436][  T244] Call Trace:
[   11.078580][  T244]  <TASK>
[   11.078703][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.078885][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.079035][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.079212][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   11.079404][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   11.079582][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.079770][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.079948][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.080128][  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))
[   11.080323][  T244]  netif_change_flags (net/core/dev.c:9820)
[   11.080501][  T244]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.080688][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.080869][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.081046][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.081258][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.081450][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.081634][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.081811][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.081987][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   11.082166][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.082357][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.082535][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.082726][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.082908][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.083085][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.083261][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.083450][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.083634][  T244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.083813][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.083990][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.084173][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.084362][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.084542][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.084732][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.084908][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.085084][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.085261][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.085449][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.085640][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.085816][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.085997][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.086176][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.086371][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.086549][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.086734][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.086911][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.087091][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.087286][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.087462][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.087650][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.087828][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.088007][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.088189][  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))
[   11.088381][  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))
[   11.088560][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.088750][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.088932][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.089112][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.089303][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.089480][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.089670][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.089851][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.090030][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.090238][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.090426][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.090602][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.090788][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.090965][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.091176][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.091378][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.091554][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.091734][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.091947][  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)
[   11.092124][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.092317][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.092499][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.092684][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.092861][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.093068][  T244] RIP: 0033:0x7f5bb787b08e
[   11.093248][  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
[   11.093773][  T244] RSP: 002b:00007ffd2d343590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.094012][  T244] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5bb787b08e
[   11.094251][  T244] RDX: 0000000000000000 RSI: 00007ffd2d343640 RDI: 0000000000000005
[   11.094503][  T244] RBP: 00007ffd2d3435a0 R08: 0000000000000000 R09: 0000000000000000
[   11.094752][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e861
[   11.094990][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2d343d10
| [   11.097835][   T38] ------------[ cut here ]------------
| [   11.098003][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [   11.098243][   T38] Modules linked in:
| [   11.098700][   T38] Tainted: [W]=WARN
[   11.098799][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.098950][   T38] Workqueue: events_unbound linkwatch_event
[   11.099112][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.099465][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.099898][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   11.100049][   T38] RAX: 00000000ffffffa6 RBX: ff1100000b204740 RCX: 1ff4000000055f02
[   11.100229][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b2047fc
[   11.100413][   T38] RBP: ff1100000ff49000 R08: 1fe2200001640901 R09: ff11000001da2ea8
[   11.100592][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.100785][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.100967][   T38] FS:  0000000000000000(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[   11.101172][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.101329][   T38] CR2: 00007f44b0718574 CR3: 000000001634d002 CR4: 0000000000771ef0
[   11.101513][   T38] PKRU: 55555554
[   11.101602][   T38] Call Trace:
[   11.101694][   T38]  <TASK>
[   11.101756][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.101876][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.101999][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.102090][   T38]  netif_state_change (net/core/dev.c:1605)
[   11.102212][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.102371][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.102490][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.102609][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.102737][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.102854][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.102974][   T38]  process_one_work (kernel/workqueue.c:3314)
[   11.103101][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.103221][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.103357][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.103479][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.103596][   T38]  kthread (kernel/kthread.c:436)
[   11.103692][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.103840][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.103959][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.104082][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.104232][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.104360][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.104480][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.106656][   T38] ------------[ cut here ]------------
| [   11.106785][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [   11.107031][   T38] Modules linked in:
| [   11.107422][   T38] Tainted: [W]=WARN
[   11.107512][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.107667][   T38] Workqueue: events_unbound linkwatch_event
[   11.107821][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.107979][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.108417][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   11.108565][   T38] RAX: 00000000ffffffa6 RBX: ff1100000b205000 RCX: 1ff4000000055f02
[   11.108747][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b2050bc
[   11.108923][   T38] RBP: ff1100000e5a4000 R08: 1fe2200001640a19 R09: ff11000001da2ea8
[   11.109100][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.109281][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.109460][   T38] FS:  0000000000000000(0000) GS:ff110000dcac7000(0000) knlGS:0000000000000000
[   11.109675][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.109825][   T38] CR2: 00007f44b0718574 CR3: 000000001634d002 CR4: 0000000000771ef0
[   11.110006][   T38] PKRU: 55555554
[   11.110097][   T38] Call Trace:
[   11.110184][   T38]  <TASK>
[   11.110247][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.110372][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.110493][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.110586][   T38]  netif_state_change (net/core/dev.c:1605)
[   11.110710][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.110859][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.110978][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.111098][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.111219][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.111342][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.111464][   T38]  process_one_work (kernel/workqueue.c:3314)
[   11.111587][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.111709][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.111832][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.111954][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.112071][   T38]  kthread (kernel/kthread.c:436)
[   11.112160][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.112313][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.112431][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.112551][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.112705][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.112825][   T38]  ? 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