======================================
| xx__-> [    9.140383][  T202] ------------[ cut here ]------------
| [    9.140603][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.140874][  T202] Modules linked in:
| [    9.141627][  T202] Tainted: [W]=WARN
[    9.141732][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.141903][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.142115][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.142587][  T202] RSP: 0018:ffa0000000997a80 EFLAGS: 00010286
[    9.142785][  T202] RAX: 00000000ffffffa6 RBX: ff1100000c689c40 RCX: 1ff4000000132f16
[    9.142979][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c689cfc
[    9.143179][  T202] RBP: ff11000009259000 R08: 1fe22000018d13a1 R09: ff1100000f9aae80
[    9.143381][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.143575][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009259000
[    9.143780][  T202] FS:  00007fe1f31b7840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.144010][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.144181][  T202] CR2: 0000000000479648 CR3: 00000000107e0004 CR4: 0000000000771ef0
[    9.144385][  T202] PKRU: 55555554
[    9.144493][  T202] Call Trace:
[    9.144590][  T202]  <TASK>
[    9.144662][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.144825][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.144964][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.145070][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.145206][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.145376][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.145514][  T202]  register_netdev (net/core/dev.c:11552)
[    9.145649][  T202]  loopback_net_init (drivers/net/loopback.c:218)
[    9.145782][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.145884][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.145987][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.146123][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.146255][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.146401][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.146532][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.146670][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.146801][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.146932][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.147070][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.147206][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.147344][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.147478][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.147607][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.147741][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.147870][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.148003][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.148145][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.148313][  T202] RIP: 0033:0x7fe1f3479bcb
[    9.148450][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.148925][  T202] RSP: 002b:00007ffd947dd708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.149127][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f3479bcb
[    9.149325][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.149519][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.149720][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd947df930
[    9.149920][  T202] R13: 0000000000000001 R14: 00007fe1f31b76f8 R15: 00007ffd947e0890
| [    9.160357][  T202] ------------[ cut here ]------------
| [    9.160505][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.160746][  T202] Modules linked in:
| [    9.161123][  T202] Tainted: [W]=WARN
[    9.161224][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.161394][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.161562][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.162031][  T202] RSP: 0018:ffa0000000997918 EFLAGS: 00010286
[    9.162197][  T202] RAX: 00000000ffffffa6 RBX: ff1100000c949c40 RCX: 1ff4000000132ee9
[    9.162394][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c949cfc
[    9.162587][  T202] RBP: ff11000008b94000 R08: 1fe22000019293a1 R09: ff1100000f9aae80
[    9.162781][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.162974][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b94000
[    9.163175][  T202] FS:  00007fe1f31b7840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.163411][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.163587][  T202] CR2: 0000000000479648 CR3: 00000000107e0004 CR4: 0000000000771ef0
[    9.163792][  T202] PKRU: 55555554
[    9.163890][  T202] Call Trace:
[    9.163987][  T202]  <TASK>
[    9.164059][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.164199][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.164334][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.164433][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.164565][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.164731][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.164863][  T202]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.164994][  T202]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.165128][  T202]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.165260][  T202]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.165395][  T202]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.165525][  T202]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.165659][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.165758][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.165857][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.165985][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.166121][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.166253][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.166390][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.166523][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.166656][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.166785][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.166915][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.167049][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.167180][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.167319][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.167447][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.167578][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.167712][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.167842][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.167970][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.168133][  T202] RIP: 0033:0x7fe1f3479bcb
[    9.168268][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.168737][  T202] RSP: 002b:00007ffd947dd708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.168931][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f3479bcb
[    9.169128][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.169327][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.169521][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd947df930
[    9.169715][  T202] R13: 0000000000000001 R14: 00007fe1f31b76f8 R15: 00007ffd947e0890
| [    9.173614][  T202] ------------[ cut here ]------------
| [    9.173751][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.173978][  T202] Modules linked in:
| [    9.174399][  T202] Tainted: [W]=WARN
[    9.174499][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.174667][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.174838][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.175314][  T202] RSP: 0018:ffa00000009978f8 EFLAGS: 00010286
[    9.175481][  T202] RAX: 00000000ffffffa6 RBX: ff1100000c718ac0 RCX: 1ff4000000132ee5
[    9.175679][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c718b7c
[    9.175874][  T202] RBP: ff1100000a2f4000 R08: 1fe22000018e3171 R09: ff1100000f9aae80
[    9.176073][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.176269][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2f4000
[    9.176472][  T202] FS:  00007fe1f31b7840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.176703][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.176873][  T202] CR2: 0000000000479648 CR3: 00000000107e0004 CR4: 0000000000771ef0
[    9.177073][  T202] PKRU: 55555554
[    9.177172][  T202] Call Trace:
[    9.177269][  T202]  <TASK>
[    9.177344][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.177475][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.177606][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.177710][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.177843][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.178007][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.178146][  T202]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.178277][  T202]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.178433][  T202]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.178565][  T202]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.178700][  T202]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.178832][  T202]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.178964][  T202]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.179103][  T202]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.179236][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.179341][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.179441][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.179570][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.179704][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.179836][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.179968][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.180106][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.180237][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.180373][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.180503][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.180634][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.180768][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.180900][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.181037][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.181167][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.181306][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.181437][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.181568][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.181732][  T202] RIP: 0033:0x7fe1f3479bcb
[    9.181867][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.182339][  T202] RSP: 002b:00007ffd947dd708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.182536][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f3479bcb
[    9.182734][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.182930][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.183128][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd947df930
[    9.183329][  T202] R13: 0000000000000001 R14: 00007fe1f31b76f8 R15: 00007ffd947e0890
| [    9.187586][  T202] ------------[ cut here ]------------
| [    9.187733][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.187958][  T202] Modules linked in:
| [    9.188483][  T202] Tainted: [W]=WARN
[    9.188581][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.188840][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.189011][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.189580][  T202] RSP: 0018:ffa0000000997a78 EFLAGS: 00010286
[    9.189748][  T202] RAX: 00000000ffffffa6 RBX: ff1100000c718740 RCX: 1ff4000000132f15
[    9.189943][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7187fc
[    9.190230][  T202] RBP: ff11000008c31000 R08: 1fe22000018e3101 R09: ff1100000f9aae80
[    9.190431][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.190718][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c31000
[    9.190919][  T202] FS:  00007fe1f31b7840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.191154][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.191413][  T202] CR2: 0000000000479648 CR3: 00000000107e0004 CR4: 0000000000771ef0
[    9.191610][  T202] PKRU: 55555554
[    9.191711][  T202] Call Trace:
[    9.191809][  T202]  <TASK>
[    9.191964][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.192105][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.192235][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.192341][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.192475][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.192727][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.192860][  T202]  register_netdev (net/core/dev.c:11552)
[    9.192995][  T202]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.193219][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.193325][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.193425][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.193555][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.193687][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.193904][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.194040][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.194173][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.194310][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.194526][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.194658][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.194789][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.194921][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.195145][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.195274][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.195409][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.195539][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.195761][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.195890][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.196056][  T202] RIP: 0033:0x7fe1f3479bcb
[    9.196191][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.196751][  T202] RSP: 002b:00007ffd947dd708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.197041][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f3479bcb
[    9.197234][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.197437][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.197723][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd947df930
[    9.197919][  T202] R13: 0000000000000001 R14: 00007fe1f31b76f8 R15: 00007ffd947e0890
| [    9.203393][  T202] ------------[ cut here ]------------
| [    9.203530][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.203760][  T202] Modules linked in:
| [    9.204126][  T202] Tainted: [W]=WARN
[    9.204228][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.204393][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.204560][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.205020][  T202] RSP: 0018:ffa0000000997a68 EFLAGS: 00010286
[    9.205188][  T202] RAX: 00000000ffffffa6 RBX: ff110000092d11c0 RCX: 1ff4000000132f13
[    9.205387][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092d127c
[    9.205581][  T202] RBP: ff1100000ea14000 R08: 1fe220000125a251 R09: ff1100000f9aae80
[    9.205790][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.205983][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea14000
[    9.206185][  T202] FS:  00007fe1f31b7840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.206419][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.206581][  T202] CR2: 0000000000479648 CR3: 00000000107e0004 CR4: 0000000000771ef0
[    9.206780][  T202] PKRU: 55555554
[    9.206877][  T202] Call Trace:
[    9.206973][  T202]  <TASK>
[    9.207045][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.207176][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.207311][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.207409][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.207539][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.207705][  T202]  register_netdev (net/core/dev.c:11552)
[    9.207832][  T202]  sit_init_net (net/ipv6/sit.c:1860)
[    9.207964][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.208070][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.208168][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.208301][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.208431][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.208562][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.208696][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.208829][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.208960][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.209095][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.209224][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.209358][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.209488][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.209619][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.209751][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.209884][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.210013][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.210196][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.210342][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.210504][  T202] RIP: 0033:0x7fe1f3479bcb
[    9.210641][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.211167][  T202] RSP: 002b:00007ffd947dd708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.211434][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f3479bcb
[    9.211627][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.211825][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.212018][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd947df930
[    9.212267][  T202] R13: 0000000000000001 R14: 00007fe1f31b76f8 R15: 00007ffd947e0890
| [    9.217336][  T202] ------------[ cut here ]------------
| [    9.217482][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [    9.217712][  T202] Modules linked in:
| [    9.218088][  T202] Tainted: [W]=WARN
[    9.218186][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.218353][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.218523][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.218989][  T202] RSP: 0018:ffa0000000997a78 EFLAGS: 00010286
[    9.219169][  T202] RAX: 00000000ffffffa6 RBX: ff110000092b8c80 RCX: 1ff4000000132f15
[    9.219369][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092b8d3c
[    9.219563][  T202] RBP: ff1100000ea41000 R08: 1fe22000012571a9 R09: ff1100000f9aae80
[    9.219763][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.219956][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea41000
[    9.220156][  T202] FS:  00007fe1f31b7840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[    9.220395][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.220575][  T202] CR2: 00007fa9d659f000 CR3: 00000000107e0002 CR4: 0000000000771ef0
[    9.220775][  T202] PKRU: 55555554
[    9.220872][  T202] Call Trace:
[    9.220968][  T202]  <TASK>
[    9.221049][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.221178][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.221314][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.221422][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.221554][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.221715][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.221848][  T202]  register_netdev (net/core/dev.c:11552)
[    9.221978][  T202]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.222114][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.222213][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.222324][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.222452][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.222587][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.222720][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.222852][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.222984][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.223121][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.223272][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.223410][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.223540][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.223674][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.223812][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.223941][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.224082][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.224211][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.224347][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.224478][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.224640][  T202] RIP: 0033:0x7fe1f3479bcb
[    9.224778][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.225249][  T202] RSP: 002b:00007ffd947dd708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.225449][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f3479bcb
[    9.225663][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.225865][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.226062][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd947df930
[    9.226257][  T202] R13: 0000000000000001 R14: 00007fe1f31b76f8 R15: 00007ffd947e0890
| [    9.275086][  T203] ------------[ cut here ]------------
| [    9.275242][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/203
| [    9.275492][  T203] Modules linked in:
| [    9.275866][  T203] Tainted: [W]=WARN
[    9.275966][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.276137][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.276328][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.276810][  T203] RSP: 0018:ffa00000009a7a80 EFLAGS: 00010286
[    9.276974][  T203] RAX: 00000000ffffffa6 RBX: ff1100000d22cc80 RCX: 1ff4000000134f16
[    9.277179][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d22cd3c
[    9.277383][  T203] RBP: ff1100000e914000 R08: 1fe2200001a459a9 R09: ff1100000f9ad180
[    9.277577][  T203] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.277776][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e914000
[    9.277971][  T203] FS:  00007f13bca70840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[    9.278204][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.278378][  T203] CR2: 00007f13bcc77430 CR3: 0000000004a3b004 CR4: 0000000000771ef0
[    9.278575][  T203] PKRU: 55555554
[    9.278677][  T203] Call Trace:
[    9.278775][  T203]  <TASK>
[    9.278842][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.278973][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.279108][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.279207][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.279346][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.279510][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.279646][  T203]  register_netdev (net/core/dev.c:11552)
[    9.279778][  T203]  loopback_net_init (drivers/net/loopback.c:218)
[    9.279923][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.280022][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.280126][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.280254][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.280392][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.280523][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.280657][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.280795][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.280926][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.281105][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.281234][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.281370][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.281500][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.281632][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.281764][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.281893][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.282021][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.282157][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.282290][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.282452][  T203] RIP: 0033:0x7f13bcd32bcb
[    9.282586][  T203] 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
[    9.283053][  T203] RSP: 002b:00007ffc54831eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.283249][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13bcd32bcb
[    9.283446][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.283646][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.283839][  T203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc548340e0
[    9.284036][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc54835891
| [    9.289017][  T203] ------------[ cut here ]------------
| [    9.289157][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/203
| [    9.289385][  T203] Modules linked in:
| [    9.289752][  T203] Tainted: [W]=WARN
[    9.289849][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.290009][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.290239][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.290704][  T203] RSP: 0018:ffa00000009a7918 EFLAGS: 00010286
[    9.290865][  T203] RAX: 00000000ffffffa6 RBX: ff1100000b8d1540 RCX: 1ff4000000134ee9
[    9.291115][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8d15fc
[    9.291312][  T203] RBP: ff1100001041c000 R08: 1fe220000171a2c1 R09: ff1100000f9ad180
[    9.291503][  T203] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.291698][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001041c000
[    9.291945][  T203] FS:  00007f13bca70840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[    9.292230][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.292395][  T203] CR2: 00007f13bcc77430 CR3: 0000000004a3b004 CR4: 0000000000771ef0
[    9.292594][  T203] PKRU: 55555554
[    9.292694][  T203] Call Trace:
[    9.292790][  T203]  <TASK>
[    9.292856][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.292985][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.293168][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.293266][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.293400][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.293560][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.293694][  T203]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.293822][  T203]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.293955][  T203]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.294139][  T203]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.294268][  T203]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.294404][  T203]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.294534][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.294633][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.294734][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.294862][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.294991][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.295175][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.295311][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.295441][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.295570][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.295706][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.295841][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.295969][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.296151][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.296281][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.296415][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.296543][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.296678][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.296807][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.296937][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.297148][  T203] RIP: 0033:0x7f13bcd32bcb
[    9.297281][  T203] 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
[    9.297748][  T203] RSP: 002b:00007ffc54831eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.297943][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13bcd32bcb
[    9.298188][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.298385][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.298576][  T203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc548340e0
[    9.298772][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc54835891
| [    9.303212][  T203] ------------[ cut here ]------------
| [    9.303399][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.303698][  T203] Modules linked in:
| [    9.304185][  T203] Tainted: [W]=WARN
[    9.304343][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.304561][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.304803][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.305339][  T203] RSP: 0018:ffa00000009a78f8 EFLAGS: 00010286
[    9.305556][  T203] RAX: 00000000ffffffa6 RBX: ff11000002852200 RCX: 1ff4000000134ee5
[    9.305823][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000028522bc
[    9.306078][  T203] RBP: ff1100000e589000 R08: 1fe220000050a459 R09: ff1100000f9ad180
[    9.306329][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.306573][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e589000
[    9.306841][  T203] FS:  00007f13bca70840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[    9.307131][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.307352][  T203] CR2: 000055f05d560d5c CR3: 0000000004a3b004 CR4: 0000000000771ef0
[    9.307599][  T203] PKRU: 55555554
[    9.307755][  T203] Call Trace:
[    9.307902][  T203]  <TASK>
[    9.308020][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.308231][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.308423][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.308574][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.308764][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.308977][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.309173][  T203]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.309379][  T203]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.309562][  T203]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.309754][  T203]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.309936][  T203]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.310130][  T203]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.310319][  T203]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.310503][  T203]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.310692][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.310857][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.311007][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.311198][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.311391][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.311574][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.311762][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.311944][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.312152][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.312336][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.312517][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.312706][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.312889][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.313090][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.313270][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.313459][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.313656][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.313836][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.314017][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.314243][  T203] RIP: 0033:0x7f13bcd32bcb
[    9.314436][  T203] 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
[    9.314964][  T203] RSP: 002b:00007ffc54831eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.315223][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13bcd32bcb
[    9.315473][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.315723][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.315978][  T203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc548340e0
[    9.316233][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc54835891
| [    9.321748][  T203] ------------[ cut here ]------------
| [    9.321925][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.322214][  T203] Modules linked in:
| [    9.322701][  T203] Tainted: [W]=WARN
[    9.322848][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.323073][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.323298][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.323822][  T203] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[    9.324565][  T203] RAX: 00000000ffffffa6 RBX: ff110000099e7380 RCX: 1ff4000000134f15
[    9.324916][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099e743c
[    9.325169][  T203] RBP: ff1100000e539000 R08: 1fe220000133ce89 R09: ff1100000f9ad180
[    9.325434][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.325681][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e539000
[    9.325925][  T203] FS:  00007f13bca70840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[    9.326216][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.326432][  T203] CR2: 000055f05d560d5c CR3: 0000000004a3b004 CR4: 0000000000771ef0
[    9.326699][  T203] PKRU: 55555554
[    9.326846][  T203] Call Trace:
[    9.326992][  T203]  <TASK>
[    9.327121][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.327308][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.327490][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.327641][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.327841][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.328063][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.328246][  T203]  register_netdev (net/core/dev.c:11552)
[    9.328434][  T203]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.328615][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.328767][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.328915][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.329105][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.329307][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.329489][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.329670][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.329852][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.330046][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.330225][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.330431][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.330614][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.330799][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.330980][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.331172][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.331360][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.331540][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.331724][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.331918][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.332141][  T203] RIP: 0033:0x7f13bcd32bcb
[    9.332333][  T203] 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
[    9.332849][  T203] RSP: 002b:00007ffc54831eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.333120][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13bcd32bcb
[    9.333365][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.333606][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.333851][  T203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc548340e0
[    9.334121][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc54835891
| [    9.338791][  T203] ------------[ cut here ]------------
| [    9.338966][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.339268][  T203] Modules linked in:
| [    9.340762][  T203] Tainted: [W]=WARN
[    9.340968][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.341251][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.341554][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.342146][  T203] RSP: 0018:ffa00000009a7a68 EFLAGS: 00010286
[    9.342433][  T203] RAX: 00000000ffffffa6 RBX: ff1100000cccb000 RCX: 1ff4000000134f13
[    9.342753][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cccb0bc
[    9.343064][  T203] RBP: ff1100000e61c000 R08: 1fe2200001999619 R09: ff1100000f9ad180
[    9.343365][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.343674][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e61c000
[    9.343990][  T203] FS:  00007f13bca70840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[    9.344337][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.344604][  T203] CR2: 000055f05d560d5c CR3: 0000000004a3b004 CR4: 0000000000771ef0
[    9.344911][  T203] PKRU: 55555554
[    9.345124][  T203] Call Trace:
[    9.345331][  T203]  <TASK>
[    9.345505][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.345762][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.345997][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.346212][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.346454][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.346723][  T203]  register_netdev (net/core/dev.c:11552)
[    9.346957][  T203]  sit_init_net (net/ipv6/sit.c:1860)
[    9.347169][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.347337][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.347486][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.347666][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.347847][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.348042][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.348223][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.348417][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.348615][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.348799][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.348977][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.349172][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.349362][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.349545][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.349732][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.349925][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.350118][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.350306][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.350488][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.350707][  T203] RIP: 0033:0x7f13bcd32bcb
[    9.350891][  T203] 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
[    9.351435][  T203] RSP: 002b:00007ffc54831eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.351684][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13bcd32bcb
[    9.351925][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.352182][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.352447][  T203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc548340e0
[    9.352695][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc54835891
| [    9.357610][  T203] ------------[ cut here ]------------
| [    9.357788][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.358077][  T203] Modules linked in:
| [    9.358566][  T203] Tainted: [W]=WARN
[    9.358722][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.358933][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.359712][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.360313][  T203] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[    9.360582][  T203] RAX: 00000000ffffffa6 RBX: ff110000028538c0 RCX: 1ff4000000134f15
[    9.360884][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000285397c
[    9.361192][  T203] RBP: ff1100000e629000 R08: 1fe220000050a731 R09: ff1100000f9ad180
[    9.361508][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.361838][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e629000
[    9.362154][  T203] FS:  00007f13bca70840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[    9.362495][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.362773][  T203] CR2: 000055f05d560d5c CR3: 0000000004a3b004 CR4: 0000000000771ef0
[    9.363099][  T203] PKRU: 55555554
[    9.363307][  T203] Call Trace:
[    9.363507][  T203]  <TASK>
[    9.363686][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.363918][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.364164][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.364372][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.364607][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.364893][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.365139][  T203]  register_netdev (net/core/dev.c:11552)
[    9.365379][  T203]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.365585][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.365740][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.365890][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.366077][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.366271][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.366463][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.366648][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.366834][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.367016][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.367210][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.367398][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.367592][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.367783][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.367965][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.368158][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.368346][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.368529][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.368718][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.368899][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.369139][  T203] RIP: 0033:0x7f13bcd32bcb
[    9.369332][  T203] 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
[    9.369848][  T203] RSP: 002b:00007ffc54831eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.370122][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13bcd32bcb
[    9.370375][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.370618][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.370864][  T203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc548340e0
[    9.371135][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc54835891
| [    9.411971][  T204] ------------[ cut here ]------------
| [    9.412123][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.412356][  T204] Modules linked in:
| [    9.412728][  T204] Tainted: [W]=WARN
[    9.412828][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.412992][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.413167][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.413644][  T204] RSP: 0018:ffa00000009a7a80 EFLAGS: 00010286
[    9.413813][  T204] RAX: 00000000ffffffa6 RBX: ff110000099e7e00 RCX: 1ff4000000134f16
[    9.414007][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099e7ebc
[    9.414207][  T204] RBP: ff1100000ea6c000 R08: 1fe220000133cfd9 R09: ff1100000fe7ae80
[    9.414405][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.414600][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea6c000
[    9.414799][  T204] FS:  00007fedc9102840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.415031][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.415196][  T204] CR2: 00007fedc9309430 CR3: 000000000c1e6006 CR4: 0000000000771ef0
[    9.415397][  T204] PKRU: 55555554
[    9.415496][  T204] Call Trace:
[    9.415594][  T204]  <TASK>
[    9.415665][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.415796][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.415926][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.416032][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.416165][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.416333][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.416467][  T204]  register_netdev (net/core/dev.c:11552)
[    9.416598][  T204]  loopback_net_init (drivers/net/loopback.c:218)
[    9.416734][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.416833][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.416931][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.417066][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.417203][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.417344][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.417484][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.417617][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.417749][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.417879][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.418009][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.418144][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.418277][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.418415][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.418545][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.418679][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.418810][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.418942][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.419079][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.419242][  T204] RIP: 0033:0x7fedc93c4bcb
[    9.419388][  T204] 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
[    9.419850][  T204] RSP: 002b:00007ffcd68e4128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.420052][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fedc93c4bcb
[    9.420248][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.420447][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.420651][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcd68e6350
[    9.420846][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd68e6893
| [    9.425042][  T204] ------------[ cut here ]------------
| [    9.425178][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.425412][  T204] Modules linked in:
| [    9.425786][  T204] Tainted: [W]=WARN
[    9.425884][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.426054][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.426222][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.426715][  T204] RSP: 0018:ffa00000009a7918 EFLAGS: 00010286
[    9.426883][  T204] RAX: 00000000ffffffa6 RBX: ff11000009372c80 RCX: 1ff4000000134ee9
[    9.427082][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009372d3c
[    9.427277][  T204] RBP: ff1100000f8b1000 R08: 1fe220000126e5a9 R09: ff1100000fe7ae80
[    9.427477][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.427674][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8b1000
[    9.427868][  T204] FS:  00007fedc9102840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.428104][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.428268][  T204] CR2: 00007fedc9309430 CR3: 000000000c1e6006 CR4: 0000000000771ef0
[    9.428468][  T204] PKRU: 55555554
[    9.428565][  T204] Call Trace:
[    9.428665][  T204]  <TASK>
[    9.428732][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.428861][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.428990][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.429097][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.429229][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.429395][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.429536][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.429669][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.429799][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.429930][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.430067][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.430200][  T204]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.430337][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.430436][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.430534][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.430672][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.430802][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.430936][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.431072][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.431205][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.431342][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.431473][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.431608][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.431742][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.431874][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.432008][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.432152][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.432283][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.432417][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.432547][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.432680][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.432843][  T204] RIP: 0033:0x7fedc93c4bcb
[    9.432981][  T204] 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
[    9.433455][  T204] RSP: 002b:00007ffcd68e4128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.433651][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fedc93c4bcb
[    9.433845][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.434039][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.434231][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcd68e6350
[    9.434429][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd68e6893
| [    9.438184][  T204] ------------[ cut here ]------------
| [    9.438327][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.438555][  T204] Modules linked in:
| [    9.438928][  T204] Tainted: [W]=WARN
[    9.439035][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.439201][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.439380][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.439852][  T204] RSP: 0018:ffa00000009a78f8 EFLAGS: 00010286
[    9.440020][  T204] RAX: 00000000ffffffa6 RBX: ff11000009372200 RCX: 1ff4000000134ee5
[    9.440223][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093722bc
[    9.440428][  T204] RBP: ff1100000f8f1000 R08: 1fe220000126e459 R09: ff1100000fe7ae80
[    9.440625][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.440825][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8f1000
[    9.441029][  T204] FS:  00007fedc9102840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.441262][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.441432][  T204] CR2: 00007fedc9309430 CR3: 000000000c1e6006 CR4: 0000000000771ef0
[    9.441631][  T204] PKRU: 55555554
[    9.441736][  T204] Call Trace:
[    9.441835][  T204]  <TASK>
[    9.441903][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.442040][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.442173][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.442372][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.442506][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.442673][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.442808][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.443033][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.443183][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.443321][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.443454][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.443678][  T204]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.443810][  T204]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.443945][  T204]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.444082][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.444272][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.444376][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.444507][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.444644][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.444867][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.445002][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.445140][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.445273][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.445501][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.445634][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.445768][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.445901][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.446127][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.446260][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.446395][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.446526][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.446750][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.446885][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.447052][  T204] RIP: 0033:0x7fedc93c4bcb
[    9.447189][  T204] 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
[    9.447753][  T204] RSP: 002b:00007ffcd68e4128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.448050][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fedc93c4bcb
[    9.448246][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.448446][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.448734][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcd68e6350
[    9.448932][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd68e6893
| [    9.453455][  T204] ------------[ cut here ]------------
| [    9.453680][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.453908][  T204] Modules linked in:
| [    9.454378][  T204] Tainted: [W]=WARN
[    9.454478][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.454647][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.454910][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.455475][  T204] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[    9.455644][  T204] RAX: 00000000ffffffa6 RBX: ff110000099e6c80 RCX: 1ff4000000134f15
[    9.455842][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099e6d3c
[    9.456129][  T204] RBP: ff110000104e9000 R08: 1fe220000133cda9 R09: ff1100000fe7ae80
[    9.456330][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.456524][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000104e9000
[    9.456813][  T204] FS:  00007fedc9102840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.457045][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.457209][  T204] CR2: 00007fedc9309430 CR3: 000000000c1e6006 CR4: 0000000000771ef0
[    9.457502][  T204] PKRU: 55555554
[    9.457599][  T204] Call Trace:
[    9.457700][  T204]  <TASK>
[    9.457770][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.457987][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.458124][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.458223][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.458362][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.458611][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.458749][  T204]  register_netdev (net/core/dev.c:11552)
[    9.458881][  T204]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.459012][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.459203][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.459309][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.459438][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.459569][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.459709][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.459931][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.460068][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.460200][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.460333][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.460550][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.460683][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.460816][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.460951][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.461173][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.461309][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.461439][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.461567][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.461787][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.461949][  T204] RIP: 0033:0x7fedc93c4bcb
[    9.462090][  T204] 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
[    9.462652][  T204] RSP: 002b:00007ffcd68e4128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.462936][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fedc93c4bcb
[    9.463134][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.463331][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.463610][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcd68e6350
[    9.463806][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd68e6893
| [    9.468152][  T204] ------------[ cut here ]------------
| [    9.468377][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.468599][  T204] Modules linked in:
| [    9.469066][  T204] Tainted: [W]=WARN
[    9.469165][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.469331][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.469590][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.470056][  T204] RSP: 0018:ffa00000009a7a68 EFLAGS: 00010286
[    9.470231][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c040040 RCX: 1ff4000000134f13
[    9.470429][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0400fc
[    9.470712][  T204] RBP: ff1100000f8dc000 R08: 1fe2200001808021 R09: ff1100000fe7ae80
[    9.470907][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.471109][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8dc000
[    9.471396][  T204] FS:  00007fedc9102840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.471622][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.471788][  T204] CR2: 00007fedc9309430 CR3: 000000000c1e6006 CR4: 0000000000771ef0
[    9.472071][  T204] PKRU: 55555554
[    9.472173][  T204] Call Trace:
[    9.472269][  T204]  <TASK>
[    9.472342][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.472557][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.472689][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.472787][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.472919][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.473183][  T204]  register_netdev (net/core/dev.c:11552)
[    9.473316][  T204]  sit_init_net (net/ipv6/sit.c:1860)
[    9.473455][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.473554][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.473652][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.473865][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.473996][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.474143][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.474274][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.474499][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.474629][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.474761][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.474894][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.475116][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.475252][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.475391][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.475519][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.475736][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.475865][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.475993][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.476134][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.476390][  T204] RIP: 0033:0x7fedc93c4bcb
[    9.476524][  T204] 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
[    9.477081][  T204] RSP: 002b:00007ffcd68e4128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.477282][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fedc93c4bcb
[    9.477567][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.477762][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.477954][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcd68e6350
[    9.478164][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd68e6893
| [    9.483784][  T204] ------------[ cut here ]------------
| [    9.483922][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.484163][  T204] Modules linked in:
| [    9.484528][  T204] Tainted: [W]=WARN
[    9.484626][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.484792][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.484970][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.485437][  T204] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[    9.485609][  T204] RAX: 00000000ffffffa6 RBX: ff11000004fa2c80 RCX: 1ff4000000134f15
[    9.485820][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa2d3c
[    9.486035][  T204] RBP: ff1100000e9c9000 R08: 1fe22000009f45a9 R09: ff1100000fe7ae80
[    9.486238][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.486436][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9c9000
[    9.486645][  T204] FS:  00007fedc9102840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.486877][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.487044][  T204] CR2: 00007fedc9309430 CR3: 000000000c1e6006 CR4: 0000000000771ef0
[    9.487334][  T204] PKRU: 55555554
[    9.487431][  T204] Call Trace:
[    9.487527][  T204]  <TASK>
[    9.487601][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.487737][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.487954][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.488058][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.488190][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.488357][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.488576][  T204]  register_netdev (net/core/dev.c:11552)
[    9.488715][  T204]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.488849][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.488949][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.489139][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.489268][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.489409][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.489541][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.489768][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.489903][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.490039][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.490169][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.490390][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.490519][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.490661][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.490793][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.491010][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.491146][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.491276][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.491411][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.491627][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.491799][  T204] RIP: 0033:0x7fedc93c4bcb
[    9.491934][  T204] 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
[    9.492501][  T204] RSP: 002b:00007ffcd68e4128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.492705][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fedc93c4bcb
[    9.492986][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.493201][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.493494][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcd68e6350
[    9.493692][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd68e6893
| [    9.534351][  T205] ------------[ cut here ]------------
| [    9.534510][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [    9.534746][  T205] Modules linked in:
| [    9.535117][  T205] Tainted: [W]=WARN
[    9.535215][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.535383][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.535554][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.536018][  T205] RSP: 0018:ffa00000009b7a80 EFLAGS: 00010286
[    9.536188][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c040c80 RCX: 1ff4000000136f16
[    9.536387][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c040d3c
[    9.536583][  T205] RBP: ff1100000e4a1000 R08: 1fe22000018081a9 R09: ff1100000e8f5180
[    9.536779][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.536973][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e4a1000
[    9.537175][  T205] FS:  00007fd8edbf7840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[    9.537421][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.537585][  T205] CR2: 00007fd8ede017d0 CR3: 000000000cb22006 CR4: 0000000000771ef0
[    9.537783][  T205] PKRU: 55555554
[    9.537881][  T205] Call Trace:
[    9.537978][  T205]  <TASK>
[    9.538051][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.538190][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.538327][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.538426][  T205]  register_netdevice (net/core/dev.c:11488)
[    9.538557][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.538723][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.538854][  T205]  register_netdev (net/core/dev.c:11552)
[    9.538983][  T205]  loopback_net_init (drivers/net/loopback.c:218)
[    9.539173][  T205]  ops_init (net/core/net_namespace.c:137)
[    9.539273][  T205]  setup_net (net/core/net_namespace.c:446)
[    9.539377][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.539509][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.539642][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.539774][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[    9.539906][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.540049][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.540180][  T205]  ksys_unshare (kernel/fork.c:3243)
[    9.540316][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.540445][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.540573][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.540706][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[    9.540836][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.540965][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.541103][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.541231][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.541365][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.541493][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.541655][  T205] RIP: 0033:0x7fd8edeb9bcb
[    9.541793][  T205] 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
[    9.542263][  T205] RSP: 002b:00007ffe59e8b5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.542461][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8edeb9bcb
[    9.542654][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.542851][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.543047][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe59e8d7d0
[    9.543240][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe59e8e892
| [    9.556794][  T205] ------------[ cut here ]------------
| [    9.556931][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [    9.557158][  T205] Modules linked in:
| [    9.557524][  T205] Tainted: [W]=WARN
[    9.557623][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.557790][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.557956][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.558424][  T205] RSP: 0018:ffa00000009b7918 EFLAGS: 00010286
[    9.558588][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c040e40 RCX: 1ff4000000136ee9
[    9.558786][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c040efc
[    9.558982][  T205] RBP: ff1100000eaa1000 R08: 1fe22000018081e1 R09: ff1100000e8f5180
[    9.559192][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.559395][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eaa1000
[    9.559600][  T205] FS:  00007fd8edbf7840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[    9.559830][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.559992][  T205] CR2: 00007fd8ede017d0 CR3: 000000000cb22006 CR4: 0000000000771ef0
[    9.560208][  T205] PKRU: 55555554
[    9.560315][  T205] Call Trace:
[    9.560416][  T205]  <TASK>
[    9.560482][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.560612][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.560745][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.560843][  T205]  register_netdevice (net/core/dev.c:11488)
[    9.560974][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.561142][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.561277][  T205]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.561411][  T205]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.561540][  T205]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.561673][  T205]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.561802][  T205]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.561931][  T205]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.562068][  T205]  ops_init (net/core/net_namespace.c:137)
[    9.562167][  T205]  setup_net (net/core/net_namespace.c:446)
[    9.562270][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.562404][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.562538][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.562672][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[    9.562803][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.562934][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.563069][  T205]  ksys_unshare (kernel/fork.c:3243)
[    9.563202][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.563340][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.563468][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.563598][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[    9.563732][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.563859][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.563988][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.564121][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.564254][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.564393][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.564554][  T205] RIP: 0033:0x7fd8edeb9bcb
[    9.564691][  T205] 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
[    9.565157][  T205] RSP: 002b:00007ffe59e8b5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.565358][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8edeb9bcb
[    9.565552][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.565745][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.565942][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe59e8d7d0
[    9.566138][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe59e8e892
| [    9.570339][  T205] ------------[ cut here ]------------
| [    9.570484][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [    9.570718][  T205] Modules linked in:
| [    9.571087][  T205] Tainted: [W]=WARN
[    9.571185][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.571360][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.571532][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.571998][  T205] RSP: 0018:ffa00000009b78f8 EFLAGS: 00010286
[    9.572167][  T205] RAX: 00000000ffffffa6 RBX: ff110000106111c0 RCX: 1ff4000000136ee5
[    9.572374][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001061127c
[    9.572568][  T205] RBP: ff11000005911000 R08: 1fe22000020c2251 R09: ff1100000e8f5180
[    9.572767][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.572962][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005911000
[    9.573167][  T205] FS:  00007fd8edbf7840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[    9.573399][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.573563][  T205] CR2: 00007fd8ede017d0 CR3: 000000000cb22006 CR4: 0000000000771ef0
[    9.573763][  T205] PKRU: 55555554
[    9.573860][  T205] Call Trace:
[    9.573962][  T205]  <TASK>
[    9.574034][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.574171][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.574306][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.574406][  T205]  register_netdevice (net/core/dev.c:11488)
[    9.574539][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.574707][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.574844][  T205]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.574974][  T205]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.575107][  T205]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.575239][  T205]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.575375][  T205]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.575506][  T205]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.575639][  T205]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.575774][  T205]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.575909][  T205]  ops_init (net/core/net_namespace.c:137)
[    9.576009][  T205]  setup_net (net/core/net_namespace.c:446)
[    9.576114][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.576244][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.576384][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.576516][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[    9.576651][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.576792][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.576923][  T205]  ksys_unshare (kernel/fork.c:3243)
[    9.577060][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.577190][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.577325][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.577459][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[    9.577600][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.577734][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.577867][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.577997][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.578136][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.578266][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.578437][  T205] RIP: 0033:0x7fd8edeb9bcb
[    9.578572][  T205] 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
[    9.579047][  T205] RSP: 002b:00007ffe59e8b5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.579243][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8edeb9bcb
[    9.579446][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.579649][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.579842][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe59e8d7d0
[    9.580040][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe59e8e892
| [    9.584077][  T205] ------------[ cut here ]------------
| [    9.584206][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [    9.584432][  T205] Modules linked in:
| [    9.584797][  T205] Tainted: [W]=WARN
[    9.584894][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.585567][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.585740][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.586276][  T205] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[    9.586446][  T205] RAX: 00000000ffffffa6 RBX: ff110000092b98c0 RCX: 1ff4000000136f15
[    9.586639][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092b997c
[    9.586852][  T205] RBP: ff11000002901000 R08: 1fe2200001257331 R09: ff1100000e8f5180
[    9.587103][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.587302][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002901000
[    9.587496][  T205] FS:  00007fd8edbf7840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[    9.587730][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.587892][  T205] CR2: 00007fd8ede017d0 CR3: 000000000cb22006 CR4: 0000000000771ef0
[    9.588146][  T205] PKRU: 55555554
[    9.588243][  T205] Call Trace:
[    9.588348][  T205]  <TASK>
[    9.588415][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.588544][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.588677][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.588777][  T205]  register_netdevice (net/core/dev.c:11488)
[    9.588911][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.589126][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.589259][  T205]  register_netdev (net/core/dev.c:11552)
[    9.589394][  T205]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.589526][  T205]  ops_init (net/core/net_namespace.c:137)
[    9.589625][  T205]  setup_net (net/core/net_namespace.c:446)
[    9.589726][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.589858][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.589987][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.590172][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[    9.590305][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.590437][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.590567][  T205]  ksys_unshare (kernel/fork.c:3243)
[    9.590699][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.590832][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.590960][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.591143][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[    9.591275][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.591412][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.591539][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.591669][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.591800][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.591932][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.592144][  T205] RIP: 0033:0x7fd8edeb9bcb
[    9.592275][  T205] 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
[    9.592739][  T205] RSP: 002b:00007ffe59e8b5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.592934][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8edeb9bcb
[    9.593178][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.593374][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.593573][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe59e8d7d0
[    9.593772][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe59e8e892
| [    9.603426][  T205] ------------[ cut here ]------------
| [    9.603567][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [    9.603799][  T205] Modules linked in:
| [    9.604164][  T205] Tainted: [W]=WARN
[    9.604260][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.604426][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.604595][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.605068][  T205] RSP: 0018:ffa00000009b7a68 EFLAGS: 00010286
[    9.605234][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c948740 RCX: 1ff4000000136f13
[    9.605430][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9487fc
[    9.605622][  T205] RBP: ff1100000ea74000 R08: 1fe2200001929101 R09: ff1100000e8f5180
[    9.605814][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.606033][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea74000
[    9.606227][  T205] FS:  00007fd8edbf7840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.606460][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.606627][  T205] CR2: 00007fedc938d2a0 CR3: 000000000cb22001 CR4: 0000000000771ef0
[    9.606823][  T205] PKRU: 55555554
[    9.606923][  T205] Call Trace:
[    9.607018][  T205]  <TASK>
[    9.607090][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.607223][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.607359][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.607458][  T205]  register_netdevice (net/core/dev.c:11488)
[    9.607588][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.607754][  T205]  register_netdev (net/core/dev.c:11552)
[    9.607884][  T205]  sit_init_net (net/ipv6/sit.c:1860)
[    9.608013][  T205]  ops_init (net/core/net_namespace.c:137)
[    9.608118][  T205]  setup_net (net/core/net_namespace.c:446)
[    9.608216][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.608352][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.608481][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.608613][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[    9.608745][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.608876][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.609005][  T205]  ksys_unshare (kernel/fork.c:3243)
[    9.609142][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.609272][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.609412][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.609547][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[    9.609682][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.609811][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.609938][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.610069][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.610199][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.610332][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.610501][  T205] RIP: 0033:0x7fd8edeb9bcb
[    9.610635][  T205] 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
[    9.611105][  T205] RSP: 002b:00007ffe59e8b5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.611303][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8edeb9bcb
[    9.611494][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.611689][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.611879][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe59e8d7d0
[    9.612079][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe59e8e892
| [    9.616291][  T205] ------------[ cut here ]------------
| [    9.616428][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [    9.616652][  T205] Modules linked in:
| [    9.617011][  T205] Tainted: [W]=WARN
[    9.617115][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.617294][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.617463][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.617932][  T205] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[    9.618102][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c0403c0 RCX: 1ff4000000136f15
[    9.618301][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04047c
[    9.618493][  T205] RBP: ff1100000e491000 R08: 1fe2200001808091 R09: ff1100000e8f5180
[    9.618687][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.618879][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e491000
[    9.619082][  T205] FS:  00007fd8edbf7840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.619315][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.619479][  T205] CR2: 00007fedc938d2a0 CR3: 000000000cb22001 CR4: 0000000000771ef0
[    9.619678][  T205] PKRU: 55555554
[    9.619778][  T205] Call Trace:
[    9.619879][  T205]  <TASK>
[    9.619947][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.620082][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.620212][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.620316][  T205]  register_netdevice (net/core/dev.c:11488)
[    9.620447][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.620608][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.620746][  T205]  register_netdev (net/core/dev.c:11552)
[    9.620876][  T205]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.621007][  T205]  ops_init (net/core/net_namespace.c:137)
[    9.621113][  T205]  setup_net (net/core/net_namespace.c:446)
[    9.621212][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.621347][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.621476][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.621608][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[    9.621744][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.621876][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.622007][  T205]  ksys_unshare (kernel/fork.c:3243)
[    9.622142][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.622271][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.622410][  T205]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.622542][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[    9.622683][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.622813][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.622941][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.623573][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.623713][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.623844][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.624004][  T205] RIP: 0033:0x7fd8edeb9bcb
[    9.624200][  T205] 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
[    9.624728][  T205] RSP: 002b:00007ffe59e8b5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.624925][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8edeb9bcb
[    9.625178][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.625379][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.625573][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe59e8d7d0
[    9.625770][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe59e8e892
| [    9.658258][  T207] ------------[ cut here ]------------
| [    9.658420][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.658650][  T207] Modules linked in:
| [    9.659574][  T207] Tainted: [W]=WARN
[    9.659679][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.659845][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.660015][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.660544][  T207] RSP: 0018:ffa00000009d7020 EFLAGS: 00010286
[    9.660713][  T207] RAX: 00000000ffffffa6 RBX: ff1100000d945540 RCX: 1ff400000013adca
[    9.660910][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9455fc
[    9.661163][  T207] RBP: ff11000009259000 R08: 1fe2200001b28ac1 R09: ff1100000e8f2e58
[    9.661363][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.661558][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.661760][  T207] FS:  00007f307d408840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.661989][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.662175][  T207] CR2: 0000000039702988 CR3: 0000000004d6b003 CR4: 0000000000771ef0
[    9.662378][  T207] PKRU: 55555554
[    9.662477][  T207] Call Trace:
[    9.662586][  T207]  <TASK>
[    9.662654][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.662787][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.662887][  T207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.663017][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[    9.663157][  T207]  ? netif_change_name (net/core/dev.c:1495)
[    9.663292][  T207]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.663423][  T207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.663554][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.663687][  T207]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.663821][  T207]  netif_change_flags (net/core/dev.c:9820)
[    9.663953][  T207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.664091][  T207]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.664225][  T207]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.664364][  T207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.664528][  T207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.664681][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.664818][  T207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.664971][  T207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.665116][  T207]  ? __kernel_text_address (kernel/extable.c:79)
[    9.665248][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.665387][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.665517][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.665651][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.665781][  T207]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.665910][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.666045][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.666175][  T207]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.666315][  T207]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.666446][  T207]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.666578][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.666713][  T207]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.666845][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.666980][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.667118][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.667246][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.667382][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.667511][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.667644][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.667775][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.667903][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.668037][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.668172][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.668305][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.668437][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.668568][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.668704][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.668832][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.668964][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.669099][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.669229][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.669366][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.669499][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.669632][  T207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.669764][  T207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.669897][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.670034][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.670166][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.670302][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.670434][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.670566][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.670703][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.670834][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.670963][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.671130][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[    9.671261][  T207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.671411][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.671545][  T207]  ___sys_sendmsg (net/socket.c:2752)
[    9.671701][  T207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.671866][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.672009][  T207]  __sys_sendmsg (net/socket.c:2784)
[    9.672147][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.672276][  T207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.672446][  T207]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.672577][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.672713][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.672842][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.672977][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.673117][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.673279][  T207] RIP: 0033:0x7f307d64208e
[    9.673439][  T207] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.673904][  T207] RSP: 002b:00007ffce19b5370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.674103][  T207] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f307d64208e
[    9.674306][  T207] RDX: 0000000000000000 RSI: 00007ffce19b5420 RDI: 0000000000000005
[    9.674500][  T207] RBP: 00007ffce19b5380 R08: 0000000000000000 R09: 0000000000000000
[    9.674698][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c620
[    9.674891][  T207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce19b5af0
| [    9.699808][  T208] ------------[ cut here ]------------
| [    9.699962][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.700207][  T208] Modules linked in:
| [    9.700576][  T208] Tainted: [W]=WARN
[    9.700677][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.700840][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.701018][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.701488][  T208] RSP: 0018:ffa00000009e7020 EFLAGS: 00010286
[    9.701652][  T208] RAX: 00000000ffffffa6 RBX: ff1100000583c740 RCX: 1ff400000013cdca
[    9.701852][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000583c7fc
[    9.702049][  T208] RBP: ff1100000e914000 R08: 1fe2200000b07901 R09: ff1100000f862e58
[    9.702240][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.702465][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.702675][  T208] FS:  00007fc3a8822840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[    9.702908][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.703080][  T208] CR2: 00007fc3a8af21a0 CR3: 0000000004e6a001 CR4: 0000000000771ef0
[    9.703275][  T208] PKRU: 55555554
[    9.703380][  T208] Call Trace:
[    9.703478][  T208]  <TASK>
[    9.703545][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.703684][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.703782][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.703911][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.704047][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.704177][  T208]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.704313][  T208]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.704450][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.704580][  T208]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.704714][  T208]  netif_change_flags (net/core/dev.c:9820)
[    9.704845][  T208]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.704974][  T208]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.705195][  T208]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.705333][  T208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.705501][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.705634][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.705767][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.705895][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.706107][  T208]  ? __kernel_text_address (kernel/extable.c:79)
[    9.706331][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.706478][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.706606][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.706739][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.706868][  T208]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.706996][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.707182][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.707318][  T208]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.707453][  T208]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.707581][  T208]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.707713][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.707844][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.707977][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.708166][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.708308][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.708436][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.708565][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.708699][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.708826][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.708958][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.709141][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.709276][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.709411][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.709540][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.709674][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.709803][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.709930][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.710118][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.710248][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.710382][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.710511][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.710644][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.710774][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.710905][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.711092][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.711222][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.711360][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.711488][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.711623][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.711757][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.711893][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.712102][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.712232][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.712367][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.712528][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.712663][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.712799][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.712930][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.713146][  T208]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.713315][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.713457][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.713586][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.713723][  T208]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.713892][  T208]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.714101][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.714232][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.714366][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.714496][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.714626][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.714799][  T208] RIP: 0033:0x7fc3a8a5c08e
[    9.714934][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.715493][  T208] RSP: 002b:00007ffdedbe8a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.715698][  T208] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3a8a5c08e
[    9.715891][  T208] RDX: 0000000000000000 RSI: 00007ffdedbe8ad0 RDI: 0000000000000005
[    9.716165][  T208] RBP: 00007ffdedbe8a30 R08: 0000000000000000 R09: 0000000000000000
[    9.716364][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c620
[    9.716558][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdedbe91a0
| [    9.750402][  T209] ------------[ cut here ]------------
| [    9.750550][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [    9.750779][  T209] Modules linked in:
| [    9.751153][  T209] Tainted: [W]=WARN
[    9.751252][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.751423][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.751595][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.752066][  T209] RSP: 0018:ffa00000009f7020 EFLAGS: 00010286
[    9.752229][  T209] RAX: 00000000ffffffa6 RBX: ff1100000d941540 RCX: 1ff400000013edca
[    9.752447][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9415fc
[    9.752662][  T209] RBP: ff1100000ea6c000 R08: 1fe2200001b282c1 R09: ff1100000f860b58
[    9.752858][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.753057][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.753253][  T209] FS:  00007fe395121840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[    9.753487][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.753651][  T209] CR2: 00007fe3953f11a0 CR3: 0000000004ba7001 CR4: 0000000000771ef0
[    9.753846][  T209] PKRU: 55555554
[    9.753943][  T209] Call Trace:
[    9.754046][  T209]  <TASK>
[    9.754113][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.754245][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.754349][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.754484][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[    9.754615][  T209]  ? netif_change_name (net/core/dev.c:1495)
[    9.754746][  T209]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.754876][  T209]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.755005][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.755142][  T209]  ? 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))
[    9.755273][  T209]  netif_change_flags (net/core/dev.c:9820)
[    9.755409][  T209]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.755538][  T209]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.755675][  T209]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.755807][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.755968][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.756101][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.756230][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.756365][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.756493][  T209]  ? __kernel_text_address (kernel/extable.c:79)
[    9.756625][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.756762][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.756891][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.757021][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.757157][  T209]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.757286][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.757430][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.757560][  T209]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.757694][  T209]  ? __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)
[    9.757823][  T209]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.757953][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.758189][  T209]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.758329][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.758462][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.758594][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.758727][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.758860][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.758991][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.759202][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.759338][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.759466][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.759600][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.759735][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.759865][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.759996][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.760213][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.760348][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.760476][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.760607][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.760739][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.760874][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.761008][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.761216][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.761356][  T209]  ? 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))
[    9.761484][  T209]  ? 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))
[    9.761621][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.761755][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.761886][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.762018][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.762237][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.762376][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.762512][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.762645][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.762775][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.762936][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[    9.763121][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.763251][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.763391][  T209]  ___sys_sendmsg (net/socket.c:2752)
[    9.763520][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.763682][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.763823][  T209]  __sys_sendmsg (net/socket.c:2784)
[    9.763952][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.764168][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.764336][  T209]  ? 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)
[    9.764468][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.764598][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.764731][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.764861][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.764991][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.765177][  T209] RIP: 0033:0x7fe39535b08e
[    9.765318][  T209] 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
[    9.765779][  T209] RSP: 002b:00007ffef8bc7dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.765974][  T209] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe39535b08e
[    9.766174][  T209] RDX: 0000000000000000 RSI: 00007ffef8bc7e80 RDI: 0000000000000005
[    9.766373][  T209] RBP: 00007ffef8bc7de0 R08: 0000000000000000 R09: 0000000000000000
[    9.766567][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c620
[    9.766763][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef8bc8550
| [    9.796099][  T210] ------------[ cut here ]------------
| [    9.796251][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [    9.796489][  T210] Modules linked in:
| [    9.796854][  T210] Tainted: [W]=WARN
[    9.796951][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.797664][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.797837][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.798303][  T210] RSP: 0018:ffa0000000a07020 EFLAGS: 00010286
[    9.798466][  T210] RAX: 00000000ffffffa6 RBX: ff1100000583c900 RCX: 1ff4000000140dca
[    9.798670][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000583c9bc
[    9.798862][  T210] RBP: ff1100000e4a1000 R08: 1fe2200000b07939 R09: ff1100000fe7d158
[    9.799062][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.799253][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.799453][  T210] FS:  00007f8d39be5840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[    9.799683][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.799845][  T210] CR2: 000000002685b988 CR3: 0000000004c30004 CR4: 0000000000771ef0
[    9.800044][  T210] PKRU: 55555554
[    9.800141][  T210] Call Trace:
[    9.800237][  T210]  <TASK>
[    9.800308][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.800442][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.800542][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.800676][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[    9.800807][  T210]  ? netif_change_name (net/core/dev.c:1495)
[    9.800937][  T210]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.801071][  T210]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.801201][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.801339][  T210]  ? 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))
[    9.801471][  T210]  netif_change_flags (net/core/dev.c:9820)
[    9.801603][  T210]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.801738][  T210]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.801870][  T210]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.802001][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.802167][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.802300][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.802431][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.802560][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.802693][  T210]  ? __kernel_text_address (kernel/extable.c:79)
[    9.802833][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.802965][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.803109][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.803239][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.803375][  T210]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.803504][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.803633][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.803767][  T210]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.803902][  T210]  ? __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)
[    9.804037][  T210]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.804170][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.804305][  T210]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.804439][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.804574][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.804709][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.804838][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.804968][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.805102][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.805232][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.805371][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.805501][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.805630][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.805763][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.805897][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.806032][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.806163][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.806296][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.806430][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.806561][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.806694][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.806825][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.806954][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.807089][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.807223][  T210]  ? 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))
[    9.807358][  T210]  ? 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))
[    9.807490][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.807621][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.807755][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.807885][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.808015][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.808151][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.808281][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.808420][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.808549][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.808711][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.808842][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.808971][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.809105][  T210]  ___sys_sendmsg (net/socket.c:2752)
[    9.809234][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.809398][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.809540][  T210]  __sys_sendmsg (net/socket.c:2784)
[    9.809673][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.809801][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.809964][  T210]  ? 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)
[    9.810101][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.810232][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.810367][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.810496][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.810626][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.810791][  T210] RIP: 0033:0x7f8d39e1f08e
[    9.810926][  T210] 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
[    9.811403][  T210] RSP: 002b:00007ffe440c6ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.811599][  T210] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8d39e1f08e
[    9.811802][  T210] RDX: 0000000000000000 RSI: 00007ffe440c6b80 RDI: 0000000000000005
[    9.811998][  T210] RBP: 00007ffe440c6ae0 R08: 0000000000000000 R09: 0000000000000000
[    9.812194][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[    9.812397][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe440c7250
| [    9.879215][  T211] ------------[ cut here ]------------
| [    9.879447][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [    9.879748][  T211] Modules linked in:
| [    9.880372][  T211] Tainted: [W]=WARN
[    9.880527][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.880796][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.881084][  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
[    9.881628][  T211] RSP: 0018:ffa0000000a16e30 EFLAGS: 00010286
[    9.881858][  T211] RAX: 00000000ffffffa6 RBX: ff1100000ca37000 RCX: 1ff4000000142d8c
[    9.882134][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca370bc
[    9.882394][  T211] RBP: ff11000007ee1000 R08: 1fe2200001946e19 R09: ff1100000f2e5180
[    9.882646][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.882900][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004bdc400
[    9.883168][  T211] FS:  00007f29a63e1840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[    9.883463][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.883688][  T211] CR2: 0000559cdfef3850 CR3: 00000000120c4006 CR4: 0000000000771ef0
[    9.883940][  T211] PKRU: 55555554
[    9.884104][  T211] Call Trace:
[    9.884255][  T211]  <TASK>
[    9.884380][  T211]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.884571][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.884767][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.884921][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.885123][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.885316][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.885500][  T211]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.885692][  T211]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.885879][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.886079][  T211]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.886303][  T211]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.886495][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.886690][  T211]  veth_newlink (drivers/net/veth.c:1871)
[    9.886877][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.887073][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.887258][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.887454][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.887666][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.887853][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.888054][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.888239][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.888436][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.888624][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.888820][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.889007][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.889206][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.889408][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.889598][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.889794][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.889982][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.890180][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.890371][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.890557][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.890757][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.890945][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.891146][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.891338][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.891527][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.891722][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.891909][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.892107][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.892302][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.892487][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.892675][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.892865][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.893066][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.893254][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.893449][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.893634][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.893827][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.894014][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.894214][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.894411][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.894597][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.894791][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.895007][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.895211][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.895408][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.895593][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.895803][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.895990][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.896186][  T211]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.896379][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.896572][  T211]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.896772][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.896958][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.897161][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.897357][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.897544][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.897736][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.897952][  T211] RIP: 0033:0x7f29a661b08e
[    9.898156][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.898696][  T211] RSP: 002b:00007ffee8491cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.898949][  T211] RAX: ffffffffffffffda RBX: 00007ffee8492488 RCX: 00007f29a661b08e
[    9.899211][  T211] RDX: 0000000000000000 RSI: 00007ffee8491da0 RDI: 0000000000000005
[    9.899469][  T211] RBP: 00007ffee8491d00 R08: 0000000000000000 R09: 0000000000000000
[    9.899730][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[    9.899980][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee8492460
| [    9.909242][  T211] ------------[ cut here ]------------
| [    9.909434][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [    9.909723][  T211] Modules linked in:
| [    9.910365][  T211] Tainted: [W]=WARN
[    9.910515][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.910743][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.910967][  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
[    9.911511][  T211] RSP: 0018:ffa0000000a171b0 EFLAGS: 00010286
[    9.911736][  T211] RAX: 00000000ffffffa6 RBX: ff1100000b5b5000 RCX: 1ff4000000142dfc
[    9.911986][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5b50bc
[    9.912245][  T211] RBP: ff1100000fa04000 R08: 1fe22000016b6a19 R09: ff1100000f2e5180
[    9.912500][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.912767][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5803b20
[    9.913017][  T211] FS:  00007f29a63e1840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[    9.913321][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.913539][  T211] CR2: 0000559cdfef3850 CR3: 00000000120c4006 CR4: 0000000000771ef0
[    9.913797][  T211] PKRU: 55555554
[    9.913946][  T211] Call Trace:
[    9.914109][  T211]  <TASK>
[    9.914229][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.914426][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.914581][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.914775][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.914959][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.915157][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.915353][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.915537][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.915731][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.915915][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.916112][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.916308][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.916503][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.916696][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.916880][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.917077][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.917261][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.917456][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.917651][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.917838][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.918038][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.918221][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.918413][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.918597][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.918793][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.918976][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.919173][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.919365][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.919552][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.919750][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.919933][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.920132][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.920326][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.920513][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.920706][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.920893][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.921093][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.921279][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.921475][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.921663][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.921878][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.922082][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.922265][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.922458][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.922663][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.922849][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.923044][  T211]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.923226][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.923430][  T211]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.923617][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.923806][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.923990][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.924185][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.924371][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.924557][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.924786][  T211] RIP: 0033:0x7f29a661b08e
[    9.924976][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.925517][  T211] RSP: 002b:00007ffee8491cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.925777][  T211] RAX: ffffffffffffffda RBX: 00007ffee8492488 RCX: 00007f29a661b08e
[    9.926040][  T211] RDX: 0000000000000000 RSI: 00007ffee8491da0 RDI: 0000000000000005
[    9.926298][  T211] RBP: 00007ffee8491d00 R08: 0000000000000000 R09: 0000000000000000
[    9.926547][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[    9.926805][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee8492460
| [    9.969284][  T213] ------------[ cut here ]------------
| [    9.969502][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/213
| [    9.969796][  T213] Modules linked in:
| [    9.970298][  T213] Tainted: [W]=WARN
[    9.970452][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.970675][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.970904][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.971455][  T213] RSP: 0018:ffa0000000a16e30 EFLAGS: 00010286
[    9.971685][  T213] RAX: 00000000ffffffa6 RBX: ff1100000da1dc40 RCX: 1ff4000000142d8c
[    9.971938][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da1dcfc
[    9.972205][  T213] RBP: ff1100000f0d9000 R08: 1fe2200001b43ba1 R09: ff1100000f2e2e80
[    9.972469][  T213] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.972728][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c142004
[    9.972983][  T213] FS:  00007f9ab47e9840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[    9.973298][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.973519][  T213] CR2: 00007f9ab4b50f65 CR3: 0000000004bbf002 CR4: 0000000000771ef0
[    9.973782][  T213] PKRU: 55555554
[    9.973932][  T213] Call Trace:
[    9.974095][  T213]  <TASK>
[    9.974215][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.974409][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.974567][  T213]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.974792][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[    9.974981][  T213]  ? netif_change_name (net/core/dev.c:1495)
[    9.975180][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.975374][  T213]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.975559][  T213]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.975756][  T213]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.975947][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.976147][  T213]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.976342][  T213]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.976527][  T213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.976721][  T213]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.976910][  T213]  veth_newlink (drivers/net/veth.c:1871)
[    9.977112][  T213]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.977308][  T213]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.977496][  T213]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.977688][  T213]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.977891][  T213]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.978092][  T213]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.978279][  T213]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.978473][  T213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.978665][  T213]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.978855][  T213]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.979056][  T213]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.979241][  T213]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.979435][  T213]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.979626][  T213]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.979822][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.980008][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.980209][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.980406][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.980595][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.980787][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.980977][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.981177][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.981371][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.981559][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.981751][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.981936][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.982161][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.982354][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.982541][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.982731][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.982918][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.983130][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.983321][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.983511][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.983708][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.983915][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.984117][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.984312][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.984499][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.984698][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.984884][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.985098][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.985323][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[    9.985515][  T213]  ___sys_sendmsg (net/socket.c:2752)
[    9.985710][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.985896][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.986109][  T213]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.986304][  T213]  __sys_sendmsg (net/socket.c:2784)
[    9.986493][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.986691][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.986877][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.987078][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.987265][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.987462][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.987673][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.987892][  T213] RIP: 0033:0x7f9ab4a2308e
[    9.988101][  T213] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.988944][  T213] RSP: 002b:00007ffc9088c0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.989169][    C0] clocksource: Watchdog remote CPU 2 read timed out
[    9.989446][  T213] RAX: ffffffffffffffda RBX: 00007ffc9088c888 RCX: 00007f9ab4a2308e
[    9.989708][  T213] RDX: 0000000000000000 RSI: 00007ffc9088c1a0 RDI: 0000000000000005
[    9.989964][  T213] RBP: 00007ffc9088c100 R08: 0000000000000000 R09: 0000000000000000
[    9.990230][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[    9.990494][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9088c860
| [    9.998974][  T213] ------------[ cut here ]------------
| [    9.999160][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/213
| [    9.999448][  T213] Modules linked in:
| [    9.999925][  T213] Tainted: [W]=WARN
[   10.000157][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.000440][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.000749][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.001385][  T213] RSP: 0018:ffa0000000a171b0 EFLAGS: 00010286
[   10.001676][  T213] RAX: 00000000ffffffa6 RBX: ff1100000c740ac0 RCX: 1ff4000000142dfc
[   10.002004][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c740b7c
[   10.002328][  T213] RBP: ff110000053c4000 R08: 1fe22000018e8171 R09: ff1100000f2e2e80
[   10.002632][  T213] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.002944][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5803b20
[   10.003264][  T213] FS:  00007f9ab47e9840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   10.003611][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.003889][  T213] CR2: 00007f9ab4b50f65 CR3: 0000000004bbf002 CR4: 0000000000771ef0
[   10.004209][  T213] PKRU: 55555554
[   10.004423][  T213] Call Trace:
[   10.004628][  T213]  <TASK>
[   10.004810][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.005066][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.005276][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[   10.005525][  T213]  ? netif_change_name (net/core/dev.c:1495)
[   10.005773][  T213]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.006015][  T213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.006341][  T213]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.006583][  T213]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.006831][  T213]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.007086][  T213]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.007336][  T213]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.007583][  T213]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.007834][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.008113][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.008368][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.008610][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.008854][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.009107][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.009362][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.009603][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.009848][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.010100][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.010348][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.010588][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.010838][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.011093][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.011346][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.011585][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.011835][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.012094][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.012341][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.012891][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.013146][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.013397][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.013640][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.013910][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.014167][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.014428][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.014675][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.014914][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.015202][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[   10.015455][  T213]  ___sys_sendmsg (net/socket.c:2752)
[   10.015682][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.015863][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.016070][  T213]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.016256][  T213]  __sys_sendmsg (net/socket.c:2784)
[   10.016445][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.016638][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.016825][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.017009][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.017204][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.017399][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.017582][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.017805][  T213] RIP: 0033:0x7f9ab4a2308e
[   10.018016][  T213] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.018559][  T213] RSP: 002b:00007ffc9088c0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.018817][  T213] RAX: ffffffffffffffda RBX: 00007ffc9088c888 RCX: 00007f9ab4a2308e
[   10.019077][  T213] RDX: 0000000000000000 RSI: 00007ffc9088c1a0 RDI: 0000000000000005
[   10.019334][  T213] RBP: 00007ffc9088c100 R08: 0000000000000000 R09: 0000000000000000
[   10.019579][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.019830][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9088c860
| [   10.076812][  T218] ------------[ cut here ]------------
| [   10.076982][  T218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/218
| [   10.077232][  T218] Modules linked in:
| [   10.077629][  T218] Tainted: [W]=WARN
[   10.077748][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.077920][  T218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.078108][  T218] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.078600][  T218] RSP: 0018:ffa0000000a16e30 EFLAGS: 00010286
[   10.078782][  T218] RAX: 00000000ffffffa6 RBX: ff11000010630200 RCX: 1ff4000000142d8c
[   10.078991][  T218] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000106302bc
[   10.079204][  T218] RBP: ff1100000fb94000 R08: 1fe22000020c6059 R09: ff11000010368b80
[   10.079414][  T218] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.079617][  T218] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005715c84
[   10.079829][  T218] FS:  00007f3579e5a840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.080079][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.080255][  T218] CR2: 0000559ce103ad98 CR3: 000000000e92c006 CR4: 0000000000771ef0
[   10.080493][  T218] PKRU: 55555554
[   10.080596][  T218] Call Trace:
[   10.080702][  T218]  <TASK>
[   10.080773][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.080915][  T218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.081139][  T218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.081244][  T218]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.081391][  T218]  __dev_notify_flags (net/core/dev.c:9787)
[   10.081529][  T218]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.081670][  T218]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   10.081808][  T218]  ? netif_change_name (net/core/dev.c:1495)
[   10.081945][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.082174][  T218]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.082331][  T218]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.082481][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.082619][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.082760][  T218]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.082898][  T218]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.083135][  T218]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.083274][  T218]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.083417][  T218]  veth_newlink (drivers/net/veth.c:1871)
[   10.083556][  T218]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.083697][  T218]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.083835][  T218]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.083971][  T218]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.084210][  T218]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.084358][  T218]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.084498][  T218]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.084635][  T218]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.084778][  T218]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.084920][  T218]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.085126][  T218]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.085264][  T218]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.085410][  T218]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.085553][  T218]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.085698][  T218]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.085836][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.085971][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.086170][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.086311][  T218]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.086448][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.086612][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.086753][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.086889][  T218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.087036][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.087199][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.087340][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.087478][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.087615][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.087753][  T218]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.087889][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.088030][  T218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.088171][  T218]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.088314][  T218]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.088453][  T218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.088591][  T218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.088731][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.088868][  T218]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.089006][  T218]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.089177][  T218]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.089331][  T218]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.089470][  T218]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.089608][  T218]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.089788][  T218]  ? move_addr_to_kernel (net/socket.c:258)
[   10.089933][  T218]  ___sys_sendmsg (net/socket.c:2752)
[   10.090072][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.090212][  T218]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.090365][  T218]  ? 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))
[   10.090503][  T218]  __sys_sendmsg (net/socket.c:2784)
[   10.090643][  T218]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.090783][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.090919][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.091062][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.091199][  T218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.091340][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.091478][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.091650][  T218] RIP: 0033:0x7f357a09408e
[   10.091794][  T218] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.092280][  T218] RSP: 002b:00007ffda1391e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.092491][  T218] RAX: ffffffffffffffda RBX: 00007ffda1392628 RCX: 00007f357a09408e
[   10.092698][  T218] RDX: 0000000000000000 RSI: 00007ffda1391f40 RDI: 0000000000000005
[   10.092899][  T218] RBP: 00007ffda1391ea0 R08: 0000000000000000 R09: 0000000000000000
[   10.093115][  T218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.094079][  T218] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda1392600
| [   10.106328][  T218] ------------[ cut here ]------------
| [   10.106485][  T218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/218
| [   10.106721][  T218] Modules linked in:
| [   10.107421][  T218] Tainted: [W]=WARN
[   10.107524][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.107696][  T218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.107873][  T218] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.108365][  T218] RSP: 0018:ffa0000000a171b0 EFLAGS: 00010286
[   10.108531][  T218] RAX: 00000000ffffffa6 RBX: ff1100000cb34200 RCX: 1ff4000000142dfc
[   10.108786][  T218] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb342bc
[   10.109004][  T218] RBP: ff11000008c09000 R08: 1fe2200001966859 R09: ff11000010368b80
[   10.109219][  T218] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.109424][  T218] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5803b20
[   10.109622][  T218] FS:  00007f3579e5a840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   10.109859][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.110032][  T218] CR2: 00007f29362ad388 CR3: 000000000e92c001 CR4: 0000000000771ef0
[   10.110241][  T218] PKRU: 55555554
[   10.110346][  T218] Call Trace:
[   10.110445][  T218]  <TASK>
[   10.110520][  T218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.110656][  T218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.110757][  T218]  __dev_notify_flags (net/core/dev.c:9787)
[   10.110890][  T218]  ? netif_change_name (net/core/dev.c:1495)
[   10.111030][  T218]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.111169][  T218]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.111307][  T218]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.111448][  T218]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.111584][  T218]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.111720][  T218]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.111855][  T218]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.111994][  T218]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.112140][  T218]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.112274][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.112416][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.112556][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.112692][  T218]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.112822][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.112962][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.113101][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.113233][  T218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.113370][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.113505][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.113637][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.113772][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.113904][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.114041][  T218]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.114175][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.114313][  T218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.114449][  T218]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.114581][  T218]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.114720][  T218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.114854][  T218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.114987][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.115127][  T218]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.115260][  T218]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.115401][  T218]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.115535][  T218]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.115670][  T218]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.115802][  T218]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.115965][  T218]  ? move_addr_to_kernel (net/socket.c:258)
[   10.116109][  T218]  ___sys_sendmsg (net/socket.c:2752)
[   10.116240][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.116385][  T218]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.116526][  T218]  ? 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))
[   10.116664][  T218]  __sys_sendmsg (net/socket.c:2784)
[   10.116795][  T218]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.116933][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.117070][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.117204][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.117343][  T218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.117475][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.117608][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.117775][  T218] RIP: 0033:0x7f357a09408e
[   10.117913][  T218] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.118397][  T218] RSP: 002b:00007ffda1391e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.118596][  T218] RAX: ffffffffffffffda RBX: 00007ffda1392628 RCX: 00007f357a09408e
[   10.118798][  T218] RDX: 0000000000000000 RSI: 00007ffda1391f40 RDI: 0000000000000005
[   10.118996][  T218] RBP: 00007ffda1391ea0 R08: 0000000000000000 R09: 0000000000000000
[   10.119198][  T218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.119402][  T218] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda1392600
| [   10.167459][  T224] ------------[ cut here ]------------
| [   10.167630][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/224
| [   10.167863][  T224] Modules linked in:
| [   10.168247][  T224] Tainted: [W]=WARN
[   10.168353][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.168515][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.168691][  T224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.169157][  T224] RSP: 0018:ffa0000000a86ff8 EFLAGS: 00010286
[   10.169333][  T224] RAX: 00000000ffffffa6 RBX: ff1100000ab9e580 RCX: 1ff4000000150dc5
[   10.169527][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab9e63c
[   10.169723][  T224] RBP: ff1100000fa04000 R08: 1fe2200001573cc9 R09: ff1100000a0cae58
[   10.169916][  T224] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.170115][  T224] R13: 0000000000000000 R14: ffa0000000a87140 R15: ff1100000e5c43d0
[   10.170315][  T224] FS:  00007f5f64102840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   10.170542][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.170708][  T224] CR2: 0000559cdfee2280 CR3: 000000000ffb1003 CR4: 0000000000771ef0
[   10.170907][  T224] PKRU: 55555554
[   10.171004][  T224] Call Trace:
[   10.171106][  T224]  <TASK>
[   10.171173][  T224]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.171309][  T224]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.171471][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.171600][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.171737][  T224]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.171896][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.172029][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.172159][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.172296][  T224]  ? 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))
[   10.172433][  T224]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.172564][  T224]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.172702][  T224]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.172834][  T224]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.172966][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.173131][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.173260][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.173395][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.173521][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.173652][  T224]  ? __kernel_text_address (kernel/extable.c:79)
[   10.173781][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.173915][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.174048][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.174178][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.174312][  T224]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.174439][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.174565][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.174697][  T224]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.174824][  T224]  ? __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)
[   10.174952][  T224]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.175086][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.175214][  T224]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.175346][  T224]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.175476][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.175607][  T224]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.175742][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.175870][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.176064][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.176215][  T224]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.176351][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.176481][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.176607][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.176743][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.176869][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.176997][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.177131][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.177262][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.177394][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.177520][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.177653][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.177781][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.177908][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.178040][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.178174][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.178308][  T224]  ? 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))
[   10.178434][  T224]  ? 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))
[   10.178562][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.178697][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.178825][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.178953][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.179170][  T224]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.179303][  T224]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.179487][  T224]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.179614][  T224]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.179743][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.179902][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[   10.180085][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.180212][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.180348][  T224]  ___sys_sendmsg (net/socket.c:2752)
[   10.180475][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.180640][  T224]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.180783][  T224]  __sys_sendmsg (net/socket.c:2784)
[   10.180910][  T224]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.181122][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.181281][  T224]  ? 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)
[   10.181416][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.181543][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.181673][  T224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.181801][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.181931][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.182183][  T224] RIP: 0033:0x7f5f6433c08e
[   10.182325][  T224] 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
[   10.182777][  T224] RSP: 002b:00007ffcd5a46630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.182975][  T224] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5f6433c08e
[   10.183242][  T224] RDX: 0000000000000000 RSI: 00007ffcd5a466e0 RDI: 0000000000000005
[   10.183436][  T224] RBP: 00007ffcd5a46640 R08: 0000000000000000 R09: 0000000000000000
[   10.183631][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.183825][  T224] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd5a46da0
| [   10.192800][  T224] ------------[ cut here ]------------
| [   10.192950][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/224
| [   10.193193][  T224] Modules linked in:
| [   10.193580][  T224] Tainted: [W]=WARN
[   10.193681][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.193854][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.194029][  T224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.194503][  T224] RSP: 0018:ffa0000000a86fc0 EFLAGS: 00010286
[   10.194673][  T224] RAX: 00000000ffffffa6 RBX: ff1100000b63b1c0 RCX: 1ff4000000150dbe
[   10.194864][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b63b27c
[   10.195060][  T224] RBP: ff1100000fa04000 R08: 1fe22000016c7651 R09: ff1100000a0cae58
[   10.195253][  T224] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.195465][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e5c43d0
[   10.195668][  T224] FS:  00007f5f64102840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.195898][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.196066][  T224] CR2: 0000559ce118e8f8 CR3: 000000000ffb1004 CR4: 0000000000771ef0
[   10.196259][  T224] PKRU: 55555554
[   10.196362][  T224] Call Trace:
[   10.196458][  T224]  <TASK>
[   10.196528][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.196668][  T224]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.196800][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.196899][  T224]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.197071][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.197200][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.197336][  T224]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.197497][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.197627][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.197765][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.197895][  T224]  ? 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))
[   10.198032][  T224]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.198164][  T224]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.198303][  T224]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.198436][  T224]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.198568][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.198744][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.198873][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.199002][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.199235][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.199369][  T224]  ? __kernel_text_address (kernel/extable.c:79)
[   10.199510][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.199645][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.199779][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.199913][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.200120][  T224]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.200248][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.200382][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.200510][  T224]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.200649][  T224]  ? __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)
[   10.200779][  T224]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.200913][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.201100][  T224]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.201230][  T224]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.201425][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.201558][  T224]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.201691][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.201823][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.201956][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.202140][  T224]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.202271][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.202408][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.202537][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.202671][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.202810][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.202945][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.203134][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.203264][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.203399][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.203529][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.203668][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.203796][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.203926][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.204115][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.204246][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.204384][  T224]  ? 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))
[   10.204514][  T224]  ? 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))
[   10.204649][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.204780][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.204910][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.205102][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.205233][  T224]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.205369][  T224]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.205500][  T224]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.205628][  T224]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.205761][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.205926][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[   10.206116][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.206253][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.206390][  T224]  ___sys_sendmsg (net/socket.c:2752)
[   10.206518][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.206690][  T224]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.206833][  T224]  __sys_sendmsg (net/socket.c:2784)
[   10.206963][  T224]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.207151][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.207322][  T224]  ? 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)
[   10.207452][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.207588][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.207720][  T224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.207850][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.207981][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.208202][  T224] RIP: 0033:0x7f5f6433c08e
[   10.208347][  T224] 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
[   10.208814][  T224] RSP: 002b:00007ffcd5a46630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.209015][  T224] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5f6433c08e
[   10.209286][  T224] RDX: 0000000000000000 RSI: 00007ffcd5a466e0 RDI: 0000000000000005
[   10.209484][  T224] RBP: 00007ffcd5a46640 R08: 0000000000000000 R09: 0000000000000000
[   10.209699][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.209896][  T224] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd5a46da0
| [   10.213170][  T224] ------------[ cut here ]------------
| [   10.213312][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/224
| [   10.213548][  T224] Modules linked in:
| [   10.213920][  T224] Tainted: [W]=WARN
[   10.214021][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.214193][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.214376][  T224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.214856][  T224] RSP: 0018:ffa0000000a87020 EFLAGS: 00010286
[   10.215114][  T224] RAX: 00000000ffffffa6 RBX: ff1100000cea51c0 RCX: 1ff4000000150dca
[   10.215322][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cea527c
[   10.215519][  T224] RBP: ff1100000fa04000 R08: 1fe22000019d4a51 R09: ff1100000a0cae58
[   10.215717][  T224] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.215912][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.216198][  T224] FS:  00007f5f64102840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.216435][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.216599][  T224] CR2: 0000559ce118e8f8 CR3: 000000000ffb1004 CR4: 0000000000771ef0
[   10.216801][  T224] PKRU: 55555554
[   10.216900][  T224] Call Trace:
[   10.216999][  T224]  <TASK>
[   10.217124][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.217322][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.217424][  T224]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.217557][  T224]  __dev_notify_flags (net/core/dev.c:9787)
[   10.217694][  T224]  ? netif_change_name (net/core/dev.c:1495)
[   10.217827][  T224]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.217959][  T224]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.218148][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.218285][  T224]  ? 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))
[   10.218426][  T224]  netif_change_flags (net/core/dev.c:9820)
[   10.218561][  T224]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.218700][  T224]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.218835][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.219002][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.219193][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.219330][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.219462][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.219595][  T224]  ? __kernel_text_address (kernel/extable.c:79)
[   10.219730][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.219865][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.219996][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.220195][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.220333][  T224]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.220465][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.220598][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.220735][  T224]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.220869][  T224]  ? __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)
[   10.221002][  T224]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.221195][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.221338][  T224]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.221470][  T224]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.221605][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.221744][  T224]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.221878][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.222011][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.222199][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.222335][  T224]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.222469][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.222607][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.222749][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.222880][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.223017][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.223206][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.223344][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.223476][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.223608][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.223743][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.223877][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.224013][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.224203][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.224340][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.224472][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.224608][  T224]  ? 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))
[   10.224746][  T224]  ? 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))
[   10.224881][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.225017][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.225206][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.225347][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.225481][  T224]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.225614][  T224]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.225750][  T224]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.225883][  T224]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.226014][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.226239][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[   10.226378][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.226510][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.226646][  T224]  ___sys_sendmsg (net/socket.c:2752)
[   10.226779][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.226944][  T224]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.227150][  T224]  __sys_sendmsg (net/socket.c:2784)
[   10.227281][  T224]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.227418][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.227585][  T224]  ? 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)
[   10.227718][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.227851][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.227983][  T224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.228176][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.228313][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.228478][  T224] RIP: 0033:0x7f5f6433c08e
[   10.228621][  T224] 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
[   10.229161][  T224] RSP: 002b:00007ffcd5a46630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.229367][  T224] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5f6433c08e
[   10.229563][  T224] RDX: 0000000000000000 RSI: 00007ffcd5a466e0 RDI: 0000000000000005
[   10.229762][  T224] RBP: 00007ffcd5a46640 R08: 0000000000000000 R09: 0000000000000000
[   10.229964][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.230218][  T224] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd5a46da0
| [   10.333979][  T232] ------------[ cut here ]------------
| [   10.334149][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/232
| [   10.334394][  T232] Modules linked in:
| [   10.334761][  T232] Tainted: [W]=WARN
[   10.334857][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.335019][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.335195][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.335660][  T232] RSP: 0018:ffa0000000a86ff8 EFLAGS: 00010286
[   10.335820][  T232] RAX: 00000000ffffffa6 RBX: ff1100000d22de00 RCX: 1ff4000000150dc5
[   10.336015][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d22debc
[   10.336213][  T232] RBP: ff11000007ee1000 R08: 1fe2200001a45bd9 R09: ff1100000ffad158
[   10.336410][  T232] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.336605][  T232] R13: 0000000000000000 R14: ffa0000000a87140 R15: ff1100000cdbdfd0
[   10.336803][  T232] FS:  00007f1375515840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.337037][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.337199][  T232] CR2: 00007f41deb9a388 CR3: 0000000004e41004 CR4: 0000000000771ef0
[   10.337400][  T232] PKRU: 55555554
[   10.337499][  T232] Call Trace:
[   10.337597][  T232]  <TASK>
[   10.337670][  T232]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.337805][  T232]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.337972][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.338112][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.338252][  T232]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.338422][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.338550][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.338682][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.338810][  T232]  ? 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))
[   10.338941][  T232]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.339079][  T232]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.339211][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.339348][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.339483][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.339650][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.339780][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.339909][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.340046][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.340179][  T232]  ? __kernel_text_address (kernel/extable.c:79)
[   10.340321][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.340453][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.340582][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.340714][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.340844][  T232]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.340973][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.341117][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.341246][  T232]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.341385][  T232]  ? __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)
[   10.341516][  T232]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.341650][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.341784][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.341913][  T232]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.342058][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.342192][  T232]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.342330][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.342460][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.342593][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.342726][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.342855][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.342987][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.343122][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.343253][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.343390][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.343520][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.343651][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.343780][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.343908][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.344040][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.344173][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.344313][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.344443][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.344575][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.344708][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.344842][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.344974][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.345111][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.345244][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.345385][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.345516][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.345651][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.345782][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.345916][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.346115][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.346244][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.346409][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.346540][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.346672][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.346802][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.346933][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.347193][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.347339][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.347469][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.347598][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.347765][  T232]  ? 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)
[   10.347894][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.348115][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.348244][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.348385][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.348513][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.348676][  T232] RIP: 0033:0x7f137574f08e
[   10.348813][  T232] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.349388][  T232] RSP: 002b:00007fff25523610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.349582][  T232] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f137574f08e
[   10.349776][  T232] RDX: 0000000000000000 RSI: 00007fff255236c0 RDI: 0000000000000005
[   10.349967][  T232] RBP: 00007fff25523620 R08: 0000000000000000 R09: 0000000000000000
[   10.350234][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.350435][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff25523d80
| [   10.354789][  T232] ------------[ cut here ]------------
| [   10.354931][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/232
| [   10.355165][  T232] Modules linked in:
| [   10.355543][  T232] Tainted: [W]=WARN
[   10.355649][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.355814][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.355983][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.356462][  T232] RSP: 0018:ffa0000000a86fc0 EFLAGS: 00010286
[   10.356628][  T232] RAX: 00000000ffffffa6 RBX: ff11000002852ac0 RCX: 1ff4000000150dbe
[   10.356831][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002852b7c
[   10.357034][  T232] RBP: ff11000007ee1000 R08: 1fe220000050a571 R09: ff1100000ffad158
[   10.357229][  T232] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.357431][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cdbdfd0
[   10.357629][  T232] FS:  00007f1375515840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.357862][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.358032][  T232] CR2: 0000559ce11e1fc0 CR3: 0000000004e41004 CR4: 0000000000771ef0
[   10.358238][  T232] PKRU: 55555554
[   10.358340][  T232] Call Trace:
[   10.358438][  T232]  <TASK>
[   10.358507][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.358642][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.358776][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.358878][  T232]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.359050][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.359181][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.359319][  T232]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.359481][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.359613][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.359746][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.359878][  T232]  ? 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))
[   10.360010][  T232]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.360148][  T232]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.360280][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.360418][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.360551][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.360716][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.360847][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.360978][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.361183][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.361320][  T232]  ? __kernel_text_address (kernel/extable.c:79)
[   10.361454][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.361587][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.361725][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.361866][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.361998][  T232]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.362238][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.362451][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.362585][  T232]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.362718][  T232]  ? __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)
[   10.362848][  T232]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.362979][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.363169][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.363305][  T232]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.363440][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.363575][  T232]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.363711][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.363840][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.363971][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.364158][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.364290][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.364431][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.364561][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.364696][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.364827][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.364959][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.365189][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.365348][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.365480][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.365611][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.365747][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.365878][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.366009][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.366238][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.366375][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.366516][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.366650][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.366784][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.366916][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.367124][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.367266][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.367402][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.367536][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.367675][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.367808][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.367939][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.368155][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.368288][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.368423][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.368558][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.368695][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.368857][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.369004][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.369193][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.369330][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.369502][  T232]  ? 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)
[   10.369634][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.369771][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.369902][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.370088][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.370221][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.370392][  T232] RIP: 0033:0x7f137574f08e
[   10.370529][  T232] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.370996][  T232] RSP: 002b:00007fff25523610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.371251][  T232] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f137574f08e
[   10.371456][  T232] RDX: 0000000000000000 RSI: 00007fff255236c0 RDI: 0000000000000005
[   10.371654][  T232] RBP: 00007fff25523620 R08: 0000000000000000 R09: 0000000000000000
[   10.371850][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.372122][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff25523d80
| [   10.375245][  T232] ------------[ cut here ]------------
| [   10.375389][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/232
| [   10.375620][  T232] Modules linked in:
| [   10.375993][  T232] Tainted: [W]=WARN
[   10.376101][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.376266][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.376441][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.376914][  T232] RSP: 0018:ffa0000000a87020 EFLAGS: 00010286
[   10.377087][  T232] RAX: 00000000ffffffa6 RBX: ff1100000c689c40 RCX: 1ff4000000150dca
[   10.377287][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c689cfc
[   10.377490][  T232] RBP: ff11000007ee1000 R08: 1fe22000018d13a1 R09: ff1100000ffad158
[   10.377686][  T232] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.377882][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.378086][  T232] FS:  00007f1375515840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.378323][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.378487][  T232] CR2: 0000559ce11e1fc0 CR3: 0000000004e41004 CR4: 0000000000771ef0
[   10.378687][  T232] PKRU: 55555554
[   10.378786][  T232] Call Trace:
[   10.378885][  T232]  <TASK>
[   10.378953][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.379093][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.379193][  T232]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.379331][  T232]  __dev_notify_flags (net/core/dev.c:9787)
[   10.379468][  T232]  ? netif_change_name (net/core/dev.c:1495)
[   10.379600][  T232]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.379735][  T232]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.379866][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.379998][  T232]  ? 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))
[   10.380135][  T232]  netif_change_flags (net/core/dev.c:9820)
[   10.380268][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.380406][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.380539][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.380709][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.380841][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.380972][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.381110][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.381243][  T232]  ? __kernel_text_address (kernel/extable.c:79)
[   10.381382][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.381517][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.381651][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.381786][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.381918][  T232]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.382052][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.382183][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.382324][  T232]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.382458][  T232]  ? __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)
[   10.382591][  T232]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.382727][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.382861][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.382992][  T232]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.383132][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.383268][  T232]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.383407][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.383539][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.383673][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.383805][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.383936][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.384074][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.384206][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.384344][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.384477][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.384611][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.384745][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.384877][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.385009][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.385155][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.385298][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.385430][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.385564][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.385700][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.385834][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.385969][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.386104][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.386238][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.386377][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.386510][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.386650][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.386784][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.386918][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.387056][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.387194][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.387335][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.387514][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.387650][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.387782][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.387914][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.388049][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.388213][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.388365][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.388498][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.388630][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.388801][  T232]  ? 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)
[   10.388933][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.389070][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.389203][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.389338][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.389469][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.389635][  T232] RIP: 0033:0x7f137574f08e
[   10.389775][  T232] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.390246][  T232] RSP: 002b:00007fff25523610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.390448][  T232] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f137574f08e
[   10.390649][  T232] RDX: 0000000000000000 RSI: 00007fff255236c0 RDI: 0000000000000005
[   10.390846][  T232] RBP: 00007fff25523620 R08: 0000000000000000 R09: 0000000000000000
[   10.391045][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.391245][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff25523d80
| [   10.393569][   T58] ------------[ cut here ]------------
| [   10.393725][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/58
| [   10.394005][   T58] Modules linked in:
| [   10.395019][   T58] Tainted: [W]=WARN
[   10.395177][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.395336][   T58] Workqueue: events_unbound linkwatch_event
[   10.395499][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.395658][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.396136][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[   10.396287][   T58] RAX: 00000000ffffffa6 RBX: ff110000099e6040 RCX: 1ff400000007df02
[   10.396470][   T58] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099e60fc
[   10.396650][   T58] RBP: ff11000007ee1000 R08: 1fe220000133cc21 R09: ff11000005190ba8
[   10.396829][   T58] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.397008][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.397239][   T58] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.397457][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.397609][   T58] CR2: 0000559ce11e1fc0 CR3: 0000000004e41004 CR4: 0000000000771ef0
[   10.397794][   T58] PKRU: 55555554
[   10.397885][   T58] Call Trace:
[   10.397975][   T58]  <TASK>
[   10.398086][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.398207][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.398333][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.398424][   T58]  netif_state_change (net/core/dev.c:1605)
[   10.398545][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.398700][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.398819][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.398940][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.399113][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.399239][   T58]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.399364][   T58]  process_one_work (kernel/workqueue.c:3314)
[   10.399493][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.399612][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.399741][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.399864][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.399984][   T58]  kthread (kernel/kthread.c:436)
[   10.400124][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.400276][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.400404][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.400526][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.400679][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.400801][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.400923][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.412875][   T58] ------------[ cut here ]------------
| [   10.413005][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/58
| [   10.413297][   T58] Modules linked in:
| [   10.413679][   T58] Tainted: [W]=WARN
[   10.413772][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.413925][   T58] Workqueue: events_unbound linkwatch_event
[   10.414087][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.414243][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.414687][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[   10.414861][   T58] RAX: 00000000ffffffa6 RBX: ff110000099e7e00 RCX: 1ff400000007df02
[   10.415047][   T58] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099e7ebc
[   10.415255][   T58] RBP: ff1100000fa04000 R08: 1fe220000133cfd9 R09: ff11000005190ba8
[   10.415445][   T58] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.415628][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.415817][   T58] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.416034][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.416189][   T58] CR2: 0000559ce11e1fc0 CR3: 0000000026d4d006 CR4: 0000000000771ef0
[   10.416379][   T58] PKRU: 55555554
[   10.416471][   T58] Call Trace:
[   10.416562][   T58]  <TASK>
[   10.416626][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.416778][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.416907][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.417000][   T58]  netif_state_change (net/core/dev.c:1605)
[   10.417128][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.417286][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.417415][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.417539][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.417670][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.417793][   T58]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.417916][   T58]  process_one_work (kernel/workqueue.c:3314)
[   10.418050][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.418170][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.418301][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.418429][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.418551][   T58]  kthread (kernel/kthread.c:436)
[   10.418647][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.418797][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.418918][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.419047][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.419199][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.419329][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.419451][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.448577][  T234] ------------[ cut here ]------------
| [   10.448723][  T234] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/234
| [   10.448947][  T234] Modules linked in:
| [   10.449309][  T234] Tainted: [W]=WARN
[   10.449408][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.449563][  T234] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.449730][  T234] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.450179][  T234] RSP: 0018:ffa0000000ae6ff8 EFLAGS: 00010286
[   10.450341][  T234] RAX: 00000000ffffffa6 RBX: ff11000009373a80 RCX: 1ff400000015cdc5
[   10.450528][  T234] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009373b3c
[   10.450718][  T234] RBP: ff110000053c4000 R08: 1fe220000126e769 R09: ff1100000ffa8b58
[   10.450903][  T234] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.451094][  T234] R13: 0000000000000000 R14: ffa0000000ae7140 R15: ff1100000db10750
[   10.451282][  T234] FS:  00007fe6a523b840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.451510][  T234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.451671][  T234] CR2: 000000003768b988 CR3: 0000000004e9c002 CR4: 0000000000771ef0
[   10.451864][  T234] PKRU: 55555554
[   10.451957][  T234] Call Trace:
[   10.452058][  T234]  <TASK>
[   10.452124][  T234]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.452252][  T234]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.452424][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.452552][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.452682][  T234]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.452837][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.452963][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.453096][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.453222][  T234]  ? 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))
[   10.453356][  T234]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.453482][  T234]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.453614][  T234]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.453745][  T234]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.453870][  T234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.454031][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.454157][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.454283][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.454418][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.454544][  T234]  ? __kernel_text_address (kernel/extable.c:79)
[   10.454674][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.454806][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.454932][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.455066][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.455195][  T234]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.455324][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.455449][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.455575][  T234]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.455704][  T234]  ? __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)
[   10.455836][  T234]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.455961][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.456094][  T234]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.456219][  T234]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.456352][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.456485][  T234]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.456613][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.456741][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.456870][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.456999][  T234]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.457214][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.457351][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.457477][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.457607][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.457737][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.457866][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.457992][  T234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.458123][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.458252][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.458384][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.458512][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.458636][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.458765][  T234]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.458890][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.459020][  T234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.459156][  T234]  ? 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))
[   10.459281][  T234]  ? 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))
[   10.459414][  T234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.459539][  T234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.459673][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.459800][  T234]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.459928][  T234]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.460061][  T234]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.460189][  T234]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.460321][  T234]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.460448][  T234]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.460603][  T234]  ? move_addr_to_kernel (net/socket.c:258)
[   10.460734][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.460859][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.460988][  T234]  ___sys_sendmsg (net/socket.c:2752)
[   10.461120][  T234]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.461275][  T234]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.461419][  T234]  __sys_sendmsg (net/socket.c:2784)
[   10.461546][  T234]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.461679][  T234]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.461837][  T234]  ? 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)
[   10.461963][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.462096][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.462221][  T234]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.462351][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.462482][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.462648][  T234] RIP: 0033:0x7fe6a547508e
[   10.462782][  T234] 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
[   10.463236][  T234] RSP: 002b:00007ffcdfc29830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.463429][  T234] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe6a547508e
[   10.463620][  T234] RDX: 0000000000000000 RSI: 00007ffcdfc298e0 RDI: 0000000000000005
[   10.463811][  T234] RBP: 00007ffcdfc29840 R08: 0000000000000000 R09: 0000000000000000
[   10.464001][  T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.464197][  T234] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdfc29fa0
| [   10.466714][  T234] ------------[ cut here ]------------
| [   10.466842][  T234] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/234
| [   10.467070][  T234] Modules linked in:
| [   10.467445][  T234] Tainted: [W]=WARN
[   10.467545][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.467710][  T234] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.467877][  T234] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.468345][  T234] RSP: 0018:ffa0000000ae6fc0 EFLAGS: 00010286
[   10.468511][  T234] RAX: 00000000ffffffa6 RBX: ff1100000c949540 RCX: 1ff400000015cdbe
[   10.468705][  T234] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9495fc
[   10.468895][  T234] RBP: ff110000053c4000 R08: 1fe22000019292c1 R09: ff1100000ffa8b58
[   10.469091][  T234] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.469281][  T234] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000db10750
[   10.469477][  T234] FS:  00007fe6a523b840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.469705][  T234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.469868][  T234] CR2: 000000003768b988 CR3: 0000000004e9c002 CR4: 0000000000771ef0
[   10.470063][  T234] PKRU: 55555554
[   10.470158][  T234] Call Trace:
[   10.470254][  T234]  <TASK>
[   10.470325][  T234]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.470453][  T234]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.470581][  T234]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.470683][  T234]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.470843][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.470969][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.471101][  T234]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.471258][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.471392][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.471519][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.471650][  T234]  ? 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))
[   10.471780][  T234]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.471908][  T234]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.472039][  T234]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.472171][  T234]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.472304][  T234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.472462][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.472592][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.472723][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.472850][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.472978][  T234]  ? __kernel_text_address (kernel/extable.c:79)
[   10.473117][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.473245][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.473379][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.473508][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.473638][  T234]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.473766][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.473893][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.474020][  T234]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.474154][  T234]  ? __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)
[   10.474282][  T234]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.474420][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.474551][  T234]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.474681][  T234]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.474812][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.474943][  T234]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.475084][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.475210][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.475343][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.475470][  T234]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.475599][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.475733][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.475861][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.475988][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.476122][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.476250][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.476383][  T234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.476512][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.476642][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.476770][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.476898][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.477029][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.477157][  T234]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.477287][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.477425][  T234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.477556][  T234]  ? 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))
[   10.477684][  T234]  ? 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))
[   10.477813][  T234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.477941][  T234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.478074][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.478202][  T234]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.478364][  T234]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.478501][  T234]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.478632][  T234]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.478762][  T234]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.478889][  T234]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.479051][  T234]  ? move_addr_to_kernel (net/socket.c:258)
[   10.479192][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.479327][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.479455][  T234]  ___sys_sendmsg (net/socket.c:2752)
[   10.479584][  T234]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.479744][  T234]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.479884][  T234]  __sys_sendmsg (net/socket.c:2784)
[   10.480013][  T234]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.480144][  T234]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.480313][  T234]  ? 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)
[   10.480446][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.480576][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.480706][  T234]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.480833][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.480974][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.481138][  T234] RIP: 0033:0x7fe6a547508e
[   10.481273][  T234] 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
[   10.481735][  T234] RSP: 002b:00007ffcdfc29830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.481938][  T234] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe6a547508e
[   10.482134][  T234] RDX: 0000000000000000 RSI: 00007ffcdfc298e0 RDI: 0000000000000005
[   10.482332][  T234] RBP: 00007ffcdfc29840 R08: 0000000000000000 R09: 0000000000000000
[   10.482521][  T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.482712][  T234] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdfc29fa0
| [   10.484358][  T234] ------------[ cut here ]------------
| [   10.484483][  T234] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/234
| [   10.484706][  T234] Modules linked in:
| [   10.485072][  T234] Tainted: [W]=WARN
[   10.485169][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.485337][  T234] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.485508][  T234] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.485975][  T234] RSP: 0018:ffa0000000ae7020 EFLAGS: 00010286
[   10.486430][  T234] RAX: 00000000ffffffa6 RBX: ff1100000c948040 RCX: 1ff400000015cdca
[   10.486628][  T234] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9480fc
[   10.486822][  T234] RBP: ff110000053c4000 R08: 1fe2200001929021 R09: ff1100000ffa8b58
[   10.487012][  T234] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.487211][  T234] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.487410][  T234] FS:  00007fe6a523b840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.487637][  T234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.487800][  T234] CR2: 000000003768b988 CR3: 0000000004e9c002 CR4: 0000000000771ef0
[   10.487995][  T234] PKRU: 55555554
[   10.488096][  T234] Call Trace:
[   10.488193][  T234]  <TASK>
[   10.488261][  T234]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.488398][  T234]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.488497][  T234]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.488627][  T234]  __dev_notify_flags (net/core/dev.c:9787)
[   10.488761][  T234]  ? netif_change_name (net/core/dev.c:1495)
[   10.488892][  T234]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.489028][  T234]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.489158][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.489289][  T234]  ? 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))
[   10.489426][  T234]  netif_change_flags (net/core/dev.c:9820)
[   10.489562][  T234]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.489702][  T234]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.489834][  T234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.489996][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.490130][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.490260][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.490421][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.490554][  T234]  ? __kernel_text_address (kernel/extable.c:79)
[   10.490687][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.490819][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.490948][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.491084][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.491214][  T234]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.491350][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.491480][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.491610][  T234]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.491746][  T234]  ? __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)
[   10.491883][  T234]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.492014][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.492150][  T234]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.492278][  T234]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.492418][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.492552][  T234]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.492685][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.492817][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.492947][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.493084][  T234]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.493211][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.493347][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.493476][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.493606][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.493741][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.493873][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.494002][  T234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.494134][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.494263][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.494399][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.494530][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.494662][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.494794][  T234]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.494923][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.495058][  T234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.495191][  T234]  ? 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))
[   10.495323][  T234]  ? 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))
[   10.495455][  T234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.495587][  T234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.495724][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.495859][  T234]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.495989][  T234]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.496128][  T234]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.496258][  T234]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.496391][  T234]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.496520][  T234]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.496682][  T234]  ? move_addr_to_kernel (net/socket.c:258)
[   10.496815][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.496944][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.497080][  T234]  ___sys_sendmsg (net/socket.c:2752)
[   10.497208][  T234]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.497373][  T234]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.497513][  T234]  __sys_sendmsg (net/socket.c:2784)
[   10.497646][  T234]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.497775][  T234]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.497936][  T234]  ? 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)
[   10.498069][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.498197][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.498340][  T234]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.498478][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.498606][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.498770][  T234] RIP: 0033:0x7fe6a547508e
[   10.498902][  T234] 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
[   10.499368][  T234] RSP: 002b:00007ffcdfc29830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.499563][  T234] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe6a547508e
[   10.499763][  T234] RDX: 0000000000000000 RSI: 00007ffcdfc298e0 RDI: 0000000000000005
[   10.499955][  T234] RBP: 00007ffcdfc29840 R08: 0000000000000000 R09: 0000000000000000
[   10.500151][  T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.500350][  T234] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdfc29fa0
| [   10.547330][  T235] ------------[ cut here ]------------
| [   10.547484][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/235
| [   10.547711][  T235] Modules linked in:
| [   10.548074][  T235] Tainted: [W]=WARN
[   10.548174][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.548339][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.548506][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.548959][  T235] RSP: 0018:ffa0000000996ff8 EFLAGS: 00010286
[   10.549124][  T235] RAX: 00000000ffffffa6 RBX: ff1100000c718c80 RCX: 1ff4000000132dc5
[   10.549318][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c718d3c
[   10.549506][  T235] RBP: ff1100000f0d9000 R08: 1fe22000018e31a9 R09: ff1100000a0f8b58
[   10.549700][  T235] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.549888][  T235] R13: 0000000000000000 R14: ffa0000000997140 R15: ff1100000daf5fd0
[   10.550084][  T235] FS:  00007f9ab3eb2840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.550331][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.550490][  T235] CR2: 00007f9ab41821a0 CR3: 000000000514a004 CR4: 0000000000771ef0
[   10.550683][  T235] PKRU: 55555554
[   10.550776][  T235] Call Trace:
[   10.550874][  T235]  <TASK>
[   10.550939][  T235]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.551071][  T235]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.551234][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.551369][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.551498][  T235]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.551661][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.551786][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.551912][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.552044][  T235]  ? 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))
[   10.552176][  T235]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.552308][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.552436][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.552566][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.552698][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.552860][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.552985][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.553118][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.553244][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.553376][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   10.553504][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.553633][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.553762][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.553889][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.554016][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.554147][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.554275][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.554426][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.554554][  T235]  ? __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)
[   10.554681][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.554814][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.554942][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.555073][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.555202][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.555337][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.555469][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.555595][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.555726][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.555851][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.555980][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.556186][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.556321][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.556447][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.556576][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.556708][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.556835][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.556962][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.557102][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.557227][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.557362][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.557488][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.557616][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.557743][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.557871][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.558001][  T235]  ? 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))
[   10.558129][  T235]  ? 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))
[   10.558261][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.558401][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.558530][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.558662][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.558790][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.558919][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.559052][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.559178][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.559311][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.559468][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   10.559596][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.559726][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.559854][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   10.559980][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.560146][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.560285][  T235]  __sys_sendmsg (net/socket.c:2784)
[   10.560419][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.560546][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.560710][  T235]  ? 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)
[   10.560836][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.560962][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.561095][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.561220][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.561351][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.561509][  T235] RIP: 0033:0x7f9ab40ec08e
[   10.561647][  T235] 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
[   10.562104][  T235] RSP: 002b:00007fff650d8bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.562299][  T235] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9ab40ec08e
[   10.562488][  T235] RDX: 0000000000000000 RSI: 00007fff650d8c60 RDI: 0000000000000005
[   10.562679][  T235] RBP: 00007fff650d8bc0 R08: 0000000000000000 R09: 0000000000000000
[   10.562868][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.563061][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff650d9320
| [   10.574303][  T235] ------------[ cut here ]------------
| [   10.574452][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/235
| [   10.574686][  T235] Modules linked in:
| [   10.575061][  T235] Tainted: [W]=WARN
[   10.575163][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.575336][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.575513][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.575979][  T235] RSP: 0018:ffa0000000996fc0 EFLAGS: 00010286
[   10.576150][  T235] RAX: 00000000ffffffa6 RBX: ff1100000c719c40 RCX: 1ff4000000132dbe
[   10.576351][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c719cfc
[   10.576544][  T235] RBP: ff1100000f0d9000 R08: 1fe22000018e33a1 R09: ff1100000a0f8b58
[   10.576744][  T235] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.576937][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000daf5fd0
[   10.577135][  T235] FS:  00007f9ab3eb2840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.577369][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.577537][  T235] CR2: 000055f069c1cd58 CR3: 000000000514a001 CR4: 0000000000771ef0
[   10.577738][  T235] PKRU: 55555554
[   10.577835][  T235] Call Trace:
[   10.577931][  T235]  <TASK>
[   10.577998][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.578133][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.578263][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.578372][  T235]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.578537][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.578671][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.578804][  T235]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.578967][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.579101][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.579233][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.579373][  T235]  ? 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))
[   10.579509][  T235]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.579644][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.579776][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.579908][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.580070][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.580233][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.580370][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.580501][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.580632][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.580767][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   10.580898][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.581044][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.581175][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.581312][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.581446][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.581576][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.581709][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.581840][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.581970][  T235]  ? __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)
[   10.582106][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.582237][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.582373][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.582504][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.582639][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.582774][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.582907][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.583040][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.583170][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.583307][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.583436][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.583573][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.583705][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.583836][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.583965][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.584102][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.584233][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.584371][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.584501][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.584631][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.584765][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.584897][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.585032][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.585175][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.585329][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.585463][  T235]  ? 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))
[   10.585591][  T235]  ? 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))
[   10.585726][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.585856][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.585991][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.586127][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.586258][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.586394][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.586526][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.586658][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.586787][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.586946][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   10.587085][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.587214][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.587351][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   10.587483][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.587649][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.587796][  T235]  __sys_sendmsg (net/socket.c:2784)
[   10.587927][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.588064][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.588228][  T235]  ? 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)
[   10.588367][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.588498][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.588638][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.588774][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.588903][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.589066][  T235] RIP: 0033:0x7f9ab40ec08e
[   10.589202][  T235] 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
[   10.589671][  T235] RSP: 002b:00007fff650d8bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.589867][  T235] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9ab40ec08e
[   10.590068][  T235] RDX: 0000000000000000 RSI: 00007fff650d8c60 RDI: 0000000000000005
[   10.590264][  T235] RBP: 00007fff650d8bc0 R08: 0000000000000000 R09: 0000000000000000
[   10.590464][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.590668][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff650d9320
| [   10.599349][  T235] ------------[ cut here ]------------
| [   10.599487][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/235
| [   10.599717][  T235] Modules linked in:
| [   10.600621][  T235] Tainted: [W]=WARN
[   10.600723][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.600886][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.601117][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.601590][  T235] RSP: 0018:ffa0000000997020 EFLAGS: 00010286
[   10.601758][  T235] RAX: 00000000ffffffa6 RBX: ff1100000c718ac0 RCX: 1ff4000000132dca
[   10.601953][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c718b7c
[   10.602203][  T235] RBP: ff1100000f0d9000 R08: 1fe22000018e3171 R09: ff1100000a0f8b58
[   10.602403][  T235] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.602598][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.602850][  T235] FS:  00007f9ab3eb2840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.603135][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.603305][  T235] CR2: 000055f069c1cd58 CR3: 000000000514a001 CR4: 0000000000771ef0
[   10.603511][  T235] PKRU: 55555554
[   10.603609][  T235] Call Trace:
[   10.603710][  T235]  <TASK>
[   10.603778][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.603910][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.604011][  T235]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.604199][  T235]  __dev_notify_flags (net/core/dev.c:9787)
[   10.604337][  T235]  ? netif_change_name (net/core/dev.c:1495)
[   10.604470][  T235]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.604603][  T235]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.604744][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.604876][  T235]  ? 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))
[   10.605008][  T235]  netif_change_flags (net/core/dev.c:9820)
[   10.605199][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.605338][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.605473][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.605639][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.605772][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.605904][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.606089][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.606220][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   10.606361][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.606493][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.606634][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.606769][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.606901][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.607089][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.607220][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.607358][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.607493][  T235]  ? __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)
[   10.607624][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.607762][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.607895][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.608082][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.608216][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.608355][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.608489][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.608626][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.608762][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.608895][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.609084][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.609219][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.609356][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.609488][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.609626][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.609763][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.609894][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.610084][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.610216][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.610354][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.610488][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.610618][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.610754][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.610885][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.611017][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.611210][  T235]  ? 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))
[   10.611346][  T235]  ? 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))
[   10.611480][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.611613][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.611749][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.611882][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.612015][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.612203][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.612342][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.612475][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.612605][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.612770][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   10.612903][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.613092][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.613224][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   10.613360][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.613522][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.613666][  T235]  __sys_sendmsg (net/socket.c:2784)
[   10.613798][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.613930][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.614152][  T235]  ? 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)
[   10.614284][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.614422][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.614554][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.614688][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.614819][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.614981][  T235] RIP: 0033:0x7f9ab40ec08e
[   10.615177][  T235] 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
[   10.615651][  T235] RSP: 002b:00007fff650d8bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.615848][  T235] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9ab40ec08e
[   10.616102][  T235] RDX: 0000000000000000 RSI: 00007fff650d8c60 RDI: 0000000000000005
[   10.616303][  T235] RBP: 00007fff650d8bc0 R08: 0000000000000000 R09: 0000000000000000
[   10.616498][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.616697][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff650d9320
| [   10.618876][   T36] ------------[ cut here ]------------
| [   10.619011][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   10.619304][   T36] Modules linked in:
| [   10.619669][   T36] Tainted: [W]=WARN
[   10.619758][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.619906][   T36] Workqueue: events_unbound linkwatch_event
[   10.620067][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.620220][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.620650][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   10.620799][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d22c580 RCX: 1ff4000000051f02
[   10.620977][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d22c63c
[   10.621160][   T36] RBP: ff1100000f0d9000 R08: 1fe2200001a458c9 R09: ff11000001d751a8
[   10.621341][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.621517][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.621705][   T36] FS:  0000000000000000(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   10.621913][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.622066][   T36] CR2: 0000559ce11b2618 CR3: 000000000ab33006 CR4: 0000000000771ef0
[   10.622243][   T36] PKRU: 55555554
[   10.622336][   T36] Call Trace:
[   10.622424][   T36]  <TASK>
[   10.622488][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.622612][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.622733][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.622822][   T36]  netif_state_change (net/core/dev.c:1605)
[   10.622941][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.623096][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.623214][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.623339][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.623459][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.623576][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.623704][   T36]  process_one_work (kernel/workqueue.c:3314)
[   10.623825][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.623943][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.624070][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.624192][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.624319][   T36]  kthread (kernel/kthread.c:436)
[   10.624408][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.624556][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.624677][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.624802][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.624948][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.625072][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.625191][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.626873][   T36] ------------[ cut here ]------------
| [   10.626989][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   10.627227][   T36] Modules linked in:
| [   10.627599][   T36] Tainted: [W]=WARN
[   10.627692][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.627840][   T36] Workqueue: events_unbound linkwatch_event
[   10.627993][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.628151][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.628597][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   10.628759][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d22c900 RCX: 1ff4000000051f02
[   10.628934][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d22c9bc
[   10.629115][   T36] RBP: ff110000053c4000 R08: 1fe2200001a45939 R09: ff11000001d751a8
[   10.629289][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.629468][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.629649][   T36] FS:  0000000000000000(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   10.629861][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.630010][   T36] CR2: 0000559ce11b2618 CR3: 000000000ab33006 CR4: 0000000000771ef0
[   10.630194][   T36] PKRU: 55555554
[   10.630283][   T36] Call Trace:
[   10.630400][   T36]  <TASK>
[   10.630465][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.630583][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.630705][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.630795][   T36]  netif_state_change (net/core/dev.c:1605)
[   10.630914][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.631067][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.631184][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.631317][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.631438][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.631555][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.631677][   T36]  process_one_work (kernel/workqueue.c:3314)
[   10.631798][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.631915][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.632041][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.632168][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.632284][   T36]  kthread (kernel/kthread.c:436)
[   10.632383][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.632527][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.632648][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.632765][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.632916][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.633036][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.633155][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.671123][  T236] ------------[ cut here ]------------
| [   10.671268][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/236
| [   10.671492][  T236] Modules linked in:
| [   10.671856][  T236] Tainted: [W]=WARN
[   10.671952][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.672119][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.672284][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.672742][  T236] RSP: 0018:ffa0000000ae6ff8 EFLAGS: 00010286
[   10.672899][  T236] RAX: 00000000ffffffa6 RBX: ff1100000b8d1700 RCX: 1ff400000015cdc5
[   10.673091][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8d17bc
[   10.673282][  T236] RBP: ff11000008c09000 R08: 1fe220000171a2f9 R09: ff1100000aa50b58
[   10.673478][  T236] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.673669][  T236] R13: 0000000000000000 R14: ffa0000000ae7140 R15: ff110000058126d0
[   10.673862][  T236] FS:  00007f17c93da840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.674087][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.674243][  T236] CR2: 000000000f4e2988 CR3: 0000000004f7d006 CR4: 0000000000771ef0
[   10.674439][  T236] PKRU: 55555554
[   10.674532][  T236] Call Trace:
[   10.674632][  T236]  <TASK>
[   10.674704][  T236]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.674832][  T236]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.674989][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.675190][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.675329][  T236]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.675486][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.675611][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.675745][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.675872][  T236]  ? 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))
[   10.676002][  T236]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.676131][  T236]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.676259][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.676393][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.676518][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.676678][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.676804][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.676929][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.677060][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.677186][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   10.677319][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.677446][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.677571][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.677701][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.677827][  T236]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.677957][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.678090][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.678215][  T236]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.678346][  T236]  ? __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)
[   10.678471][  T236]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.678601][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.678732][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.678857][  T236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.678984][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.679123][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.679251][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.679382][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.679507][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.679633][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.679765][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.679898][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.680028][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.680154][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.680283][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.680419][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.680545][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.680679][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.680805][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.680930][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.681065][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.681191][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.681322][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.681447][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.681573][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.681707][  T236]  ? 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))
[   10.681832][  T236]  ? 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))
[   10.681959][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.682092][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.682218][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.682352][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.682480][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.682607][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.682738][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.682864][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.682996][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.683156][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   10.683284][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.683416][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.683544][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   10.683673][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.683829][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.683970][  T236]  __sys_sendmsg (net/socket.c:2784)
[   10.684100][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.684225][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.684391][  T236]  ? 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)
[   10.684519][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.684649][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.684780][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.684905][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.685038][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.685196][  T236] RIP: 0033:0x7f17c961408e
[   10.685340][  T236] 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
[   10.685796][  T236] RSP: 002b:00007ffe5bd373d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.685987][  T236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f17c961408e
[   10.686182][  T236] RDX: 0000000000000000 RSI: 00007ffe5bd37480 RDI: 0000000000000005
[   10.686376][  T236] RBP: 00007ffe5bd373e0 R08: 0000000000000000 R09: 0000000000000000
[   10.686564][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.686756][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5bd37b40
| [   10.689233][  T236] ------------[ cut here ]------------
| [   10.689369][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/236
| [   10.689590][  T236] Modules linked in:
| [   10.689955][  T236] Tainted: [W]=WARN
[   10.690364][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.690530][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.690702][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.691166][  T236] RSP: 0018:ffa0000000ae6fc0 EFLAGS: 00010286
[   10.691334][  T236] RAX: 00000000ffffffa6 RBX: ff1100000b8d03c0 RCX: 1ff400000015cdbe
[   10.691525][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8d047c
[   10.691717][  T236] RBP: ff11000008c09000 R08: 1fe220000171a091 R09: ff1100000aa50b58
[   10.691907][  T236] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.692100][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058126d0
[   10.692293][  T236] FS:  00007f17c93da840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.692523][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.692682][  T236] CR2: 000000000f4e2988 CR3: 0000000004f7d006 CR4: 0000000000771ef0
[   10.692871][  T236] PKRU: 55555554
[   10.692970][  T236] Call Trace:
[   10.693069][  T236]  <TASK>
[   10.693135][  T236]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.693267][  T236]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.693401][  T236]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.693498][  T236]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.693663][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.693789][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.693920][  T236]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.694084][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.694211][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.694342][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.694475][  T236]  ? 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))
[   10.694603][  T236]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.694735][  T236]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.694865][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.694995][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.695134][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.695302][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.695429][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.695557][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.695688][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.695818][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   10.695946][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.696082][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.696208][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.696346][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.696474][  T236]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.696602][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.696733][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.696859][  T236]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.696986][  T236]  ? __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)
[   10.697120][  T236]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.697248][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.697388][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.697515][  T236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.697648][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.697780][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.697914][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.698046][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.698173][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.698306][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.698433][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.698564][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.698697][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.698823][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.698952][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.699086][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.699213][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.699349][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.699477][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.699605][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.699739][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.699866][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.699994][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.700126][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.700254][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.700390][  T236]  ? 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))
[   10.700517][  T236]  ? 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))
[   10.700651][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.700780][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.700908][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.701039][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.701170][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.701304][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.701432][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.701560][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.701694][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.701850][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   10.701978][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.702111][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.702241][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   10.702373][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.702536][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.702690][  T236]  __sys_sendmsg (net/socket.c:2784)
[   10.702818][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.702944][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.703110][  T236]  ? 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)
[   10.703239][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.703373][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.703500][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.703628][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.703760][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.703918][  T236] RIP: 0033:0x7f17c961408e
[   10.704055][  T236] 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
[   10.704518][  T236] RSP: 002b:00007ffe5bd373d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.704713][  T236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f17c961408e
[   10.704905][  T236] RDX: 0000000000000000 RSI: 00007ffe5bd37480 RDI: 0000000000000005
[   10.705105][  T236] RBP: 00007ffe5bd373e0 R08: 0000000000000000 R09: 0000000000000000
[   10.705300][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.705494][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5bd37b40
| [   10.707167][  T236] ------------[ cut here ]------------
| [   10.707298][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/236
| [   10.707523][  T236] Modules linked in:
| [   10.707887][  T236] Tainted: [W]=WARN
[   10.707984][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.708672][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.708841][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.709362][  T236] RSP: 0018:ffa0000000ae7020 EFLAGS: 00010286
[   10.709524][  T236] RAX: 00000000ffffffa6 RBX: ff1100000c688e40 RCX: 1ff400000015cdca
[   10.709720][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c688efc
[   10.709911][  T236] RBP: ff11000008c09000 R08: 1fe22000018d11e1 R09: ff1100000aa50b58
[   10.710159][  T236] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.710369][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.710564][  T236] FS:  00007f17c93da840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   10.710794][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.710965][  T236] CR2: 000000000f4e2988 CR3: 0000000004f7d006 CR4: 0000000000771ef0
[   10.711217][  T236] PKRU: 55555554
[   10.711319][  T236] Call Trace:
[   10.711416][  T236]  <TASK>
[   10.711485][  T236]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.711615][  T236]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.711715][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.711849][  T236]  __dev_notify_flags (net/core/dev.c:9787)
[   10.711979][  T236]  ? netif_change_name (net/core/dev.c:1495)
[   10.712168][  T236]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.712304][  T236]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.712435][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.712565][  T236]  ? 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))
[   10.712699][  T236]  netif_change_flags (net/core/dev.c:9820)
[   10.712829][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.712959][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.713145][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.713310][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.713444][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.713572][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.713703][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.713832][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   10.713960][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.714146][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.714276][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.714411][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.714540][  T236]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.714671][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.714799][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.714928][  T236]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.715113][  T236]  ? __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)
[   10.715241][  T236]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.715378][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.715509][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.715640][  T236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.715772][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.715903][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.716089][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.716216][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.716350][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.716480][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.716607][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.716742][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.716871][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.717004][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.717190][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.717325][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.717456][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.717585][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.717714][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.717842][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.717972][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.718152][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.718281][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.718414][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.718543][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.718678][  T236]  ? 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))
[   10.718807][  T236]  ? 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))
[   10.718936][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.719120][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.719249][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.719384][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.719514][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.719649][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.719784][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.719912][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.720099][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.720258][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   10.720395][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.720524][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.720658][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   10.720791][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.720950][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.721146][  T236]  __sys_sendmsg (net/socket.c:2784)
[   10.721276][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.721410][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.721572][  T236]  ? 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)
[   10.721706][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.721836][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.721964][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.722147][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.722275][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.722441][  T236] RIP: 0033:0x7f17c961408e
[   10.722575][  T236] 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
[   10.723094][  T236] RSP: 002b:00007ffe5bd373d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.723288][  T236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f17c961408e
[   10.723483][  T236] RDX: 0000000000000000 RSI: 00007ffe5bd37480 RDI: 0000000000000005
[   10.723690][  T236] RBP: 00007ffe5bd373e0 R08: 0000000000000000 R09: 0000000000000000
[   10.723885][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c621
[   10.724133][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5bd37b40
| [   10.770852][  T237] ------------[ cut here ]------------
| [   10.770997][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/237
| [   10.771228][  T237] Modules linked in:
| [   10.771601][  T237] Tainted: [W]=WARN
[   10.771701][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.771860][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.772034][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.772497][  T237] RSP: 0018:ffa0000000af6ff8 EFLAGS: 00010286
[   10.772661][  T237] RAX: 00000000ffffffa6 RBX: ff11000010611e00 RCX: 1ff400000015edc5
[   10.772850][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010611ebc
[   10.773047][  T237] RBP: ff1100000fb94000 R08: 1fe22000020c23d9 R09: ff1100000fe78b58
[   10.773236][  T237] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.773431][  T237] R13: 0000000000000000 R14: ffa0000000af7140 R15: ff11000008f4add0
[   10.773622][  T237] FS:  00007f6af4bac840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.773849][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.774008][  T237] CR2: 0000000025062988 CR3: 0000000004e97005 CR4: 0000000000771ef0
[   10.774413][  T237] PKRU: 55555554
[   10.774509][  T237] Call Trace:
[   10.774605][  T237]  <TASK>
[   10.774674][  T237]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.774803][  T237]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.774970][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.775099][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.775228][  T237]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.775391][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.775516][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.775650][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.775777][  T237]  ? 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))
[   10.775907][  T237]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.776039][  T237]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.776168][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.776304][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.776434][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.776596][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.776728][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.776855][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.776981][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.777114][  T237]  ? __kernel_text_address (kernel/extable.c:79)
[   10.777241][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.777374][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.777500][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.777628][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.777758][  T237]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.777883][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.778040][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.778171][  T237]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.778302][  T237]  ? __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)
[   10.778429][  T237]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.778555][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.778686][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.778816][  T237]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.778945][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.779105][  T237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.779239][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.779371][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.779503][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.779630][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.779761][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.779891][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.780018][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.780150][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.780276][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.780410][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.780536][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.780669][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.780797][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.780924][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.781057][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.781183][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.781314][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.781442][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.781574][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.781708][  T237]  ? 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))
[   10.781834][  T237]  ? 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))
[   10.781963][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.782096][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.782224][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.782365][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.782496][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.782624][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.782761][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.782887][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.783014][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.783182][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   10.783314][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.783452][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.783582][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   10.783713][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.783872][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.784012][  T237]  __sys_sendmsg (net/socket.c:2784)
[   10.784147][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.784275][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.784441][  T237]  ? 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)
[   10.784570][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.784703][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.784831][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.784958][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.785091][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.785250][  T237] RIP: 0033:0x7f6af4de608e
[   10.785390][  T237] 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
[   10.785849][  T237] RSP: 002b:00007ffe199adf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.786051][  T237] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6af4de608e
[   10.786245][  T237] RDX: 0000000000000000 RSI: 00007ffe199ae010 RDI: 0000000000000005
[   10.786442][  T237] RBP: 00007ffe199adf70 R08: 0000000000000000 R09: 0000000000000000
[   10.786632][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   10.786825][  T237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe199ae6d0
| [   10.789309][  T237] ------------[ cut here ]------------
| [   10.789439][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/237
| [   10.789663][  T237] Modules linked in:
| [   10.790033][  T237] Tainted: [W]=WARN
[   10.790131][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.790292][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.790468][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.790932][  T237] RSP: 0018:ffa0000000af6fc0 EFLAGS: 00010286
[   10.791105][  T237] RAX: 00000000ffffffa6 RBX: ff11000010610200 RCX: 1ff400000015edbe
[   10.791301][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000106102bc
[   10.791494][  T237] RBP: ff1100000fb94000 R08: 1fe22000020c2059 R09: ff1100000fe78b58
[   10.791693][  T237] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.791883][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f4add0
[   10.792084][  T237] FS:  00007f6af4bac840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.792313][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.792478][  T237] CR2: 0000000025062988 CR3: 0000000004e97005 CR4: 0000000000771ef0
[   10.792676][  T237] PKRU: 55555554
[   10.792773][  T237] Call Trace:
[   10.792870][  T237]  <TASK>
[   10.792937][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.793072][  T237]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.793203][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.793308][  T237]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.793474][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.793603][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.793737][  T237]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.793900][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.794034][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.794165][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.794300][  T237]  ? 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))
[   10.794433][  T237]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.794563][  T237]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.794698][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.794830][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.794960][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.795126][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.795257][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.795393][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.795521][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.795653][  T237]  ? __kernel_text_address (kernel/extable.c:79)
[   10.795783][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.795916][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.796050][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.796182][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.796317][  T237]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.796446][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.796576][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.796710][  T237]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.796841][  T237]  ? __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)
[   10.796971][  T237]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.797105][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.797238][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.797373][  T237]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.797506][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.797644][  T237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.797777][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.797907][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.798039][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.798182][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.798320][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.798452][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.798581][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.798713][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.798843][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.798974][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.799110][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.799241][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.799377][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.799506][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.799643][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.799772][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.799903][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.800038][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.800170][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.800309][  T237]  ? 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))
[   10.800439][  T237]  ? 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))
[   10.800571][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.800706][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.800836][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.800969][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.801105][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.801236][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.801373][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.801508][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.801641][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.801803][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   10.801935][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.802070][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.802202][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   10.802338][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.802514][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.802661][  T237]  __sys_sendmsg (net/socket.c:2784)
[   10.802792][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.802921][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.803098][  T237]  ? 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)
[   10.803229][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.803366][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.803496][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.803626][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.803761][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.803926][  T237] RIP: 0033:0x7f6af4de608e
[   10.804068][  T237] 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
[   10.804543][  T237] RSP: 002b:00007ffe199adf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.804744][  T237] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6af4de608e
[   10.804939][  T237] RDX: 0000000000000000 RSI: 00007ffe199ae010 RDI: 0000000000000005
[   10.805137][  T237] RBP: 00007ffe199adf70 R08: 0000000000000000 R09: 0000000000000000
[   10.805337][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   10.805532][  T237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe199ae6d0
| [   10.807202][  T237] ------------[ cut here ]------------
| [   10.807335][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/237
| [   10.807556][  T237] Modules linked in:
| [   10.807921][  T237] Tainted: [W]=WARN
[   10.808019][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.808202][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.808377][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.808842][  T237] RSP: 0018:ffa0000000af7060 EFLAGS: 00010286
[   10.809004][  T237] RAX: 00000000ffffffa6 RBX: ff1100000583da80 RCX: 1ff400000015edd2
[   10.809200][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000583db3c
[   10.809404][  T237] RBP: ff1100000fb94000 R08: 1fe2200000b07b69 R09: ff1100000fe78b58
[   10.809607][  T237] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.809806][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.809999][  T237] FS:  00007f6af4bac840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.810229][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.810397][  T237] CR2: 0000000025062988 CR3: 0000000004e97005 CR4: 0000000000771ef0
[   10.810593][  T237] PKRU: 55555554
[   10.810693][  T237] Call Trace:
[   10.810789][  T237]  <TASK>
[   10.810856][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.810988][  T237]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.811124][  T237]  notifier_call_chain (kernel/notifier.c:85)
[   10.811258][  T237]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   10.811394][  T237]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   10.811524][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.811660][  T237]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.811791][  T237]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.811923][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   10.812060][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.812192][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.812361][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.812491][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.812622][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.812754][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.812883][  T237]  ? __kernel_text_address (kernel/extable.c:79)
[   10.813013][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.813150][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.813281][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.813417][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.813548][  T237]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.813680][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.813810][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.813940][  T237]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.814076][  T237]  ? __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)
[   10.814206][  T237]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.814347][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.814484][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.814615][  T237]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.814754][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.814896][  T237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.815034][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.815163][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.815294][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.815431][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.815562][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.815699][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.815827][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.815956][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.816092][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.816223][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.816359][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.816489][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.816621][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.816753][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.816885][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.817014][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.817151][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.817285][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.817423][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.817556][  T237]  ? 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))
[   10.817690][  T237]  ? 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))
[   10.817821][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.817957][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.818097][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.818228][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.818365][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.818496][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.818630][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.818762][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.818892][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.819057][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   10.819188][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.819326][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.819458][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   10.819589][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.819754][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.819897][  T237]  __sys_sendmsg (net/socket.c:2784)
[   10.820033][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.820172][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.820344][  T237]  ? 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)
[   10.820473][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.820610][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.820743][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.820873][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.821012][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.821362][  T237] RIP: 0033:0x7f6af4de608e
[   10.821503][  T237] 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
[   10.821971][  T237] RSP: 002b:00007ffe199adf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.822175][  T237] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6af4de608e
[   10.822374][  T237] RDX: 0000000000000000 RSI: 00007ffe199ae010 RDI: 0000000000000005
[   10.822569][  T237] RBP: 00007ffe199adf70 R08: 0000000000000000 R09: 0000000000000000
[   10.822767][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   10.822962][  T237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe199ae6d0
| [   10.824757][  T237] ------------[ cut here ]------------
| [   10.824884][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/237
| [   10.825116][  T237] Modules linked in:
| [   10.825486][  T237] Tainted: [W]=WARN
[   10.825584][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.825749][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.825917][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.826661][  T237] RSP: 0018:ffa0000000af7020 EFLAGS: 00010286
[   10.826826][  T237] RAX: 00000000ffffffa6 RBX: ff1100000583d700 RCX: 1ff400000015edca
[   10.827020][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000583d7bc
[   10.827272][  T237] RBP: ff1100000fb94000 R08: 1fe2200000b07af9 R09: ff1100000fe78b58
[   10.827476][  T237] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.827675][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.827874][  T237] FS:  00007f6af4bac840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   10.828158][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.828332][  T237] CR2: 0000000025062988 CR3: 0000000004e97005 CR4: 0000000000771ef0
[   10.828530][  T237] PKRU: 55555554
[   10.828629][  T237] Call Trace:
[   10.828729][  T237]  <TASK>
[   10.828849][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.828981][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.829137][  T237]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.829266][  T237]  __dev_notify_flags (net/core/dev.c:9787)
[   10.829406][  T237]  ? netif_change_name (net/core/dev.c:1495)
[   10.829543][  T237]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.829678][  T237]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.829809][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.829942][  T237]  netif_change_flags (net/core/dev.c:9820)
[   10.830131][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.830262][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.830399][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.830562][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.830696][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.830826][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.831101][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.831231][  T237]  ? __kernel_text_address (kernel/extable.c:79)
[   10.831367][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.831500][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.831629][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.831763][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.831985][  T237]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.832171][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.832306][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.832437][  T237]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.832568][  T237]  ? __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)
[   10.832703][  T237]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.832833][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.833111][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.833243][  T237]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.833384][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.833518][  T237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.833653][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.833785][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.834003][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.834189][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.834325][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.834458][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.834588][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.834721][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.834851][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.835126][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.835257][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.835392][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.835522][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.835652][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.835784][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.836000][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.836185][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.836322][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.836454][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.836589][  T237]  ? 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))
[   10.836723][  T237]  ? 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))
[   10.836856][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.837137][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.837268][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.837407][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.837548][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.837683][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.837817][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.838089][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.838220][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.838392][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   10.838524][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.838660][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.838792][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   10.839008][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.839228][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.839376][  T237]  __sys_sendmsg (net/socket.c:2784)
[   10.839509][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.839644][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.839809][  T237]  ? 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)
[   10.840084][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.840217][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.840353][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.840484][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.840615][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.840779][  T237] RIP: 0033:0x7f6af4de608e
[   10.840917][  T237] 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
[   10.841537][  T237] RSP: 002b:00007ffe199adf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.841738][  T237] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6af4de608e
[   10.841934][  T237] RDX: 0000000000000000 RSI: 00007ffe199ae010 RDI: 0000000000000005
[   10.842273][  T237] RBP: 00007ffe199adf70 R08: 0000000000000000 R09: 0000000000000000
[   10.842474][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   10.842673][  T237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe199ae6d0
| [   10.848286][   T36] ------------[ cut here ]------------
| [   10.848456][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   10.848750][   T36] Modules linked in:
| [   10.849244][   T36] Tainted: [W]=WARN
[   10.849394][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.849593][   T36] Workqueue: events_unbound linkwatch_event
[   10.849806][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.850014][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.850507][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   10.850716][   T36] RAX: 00000000ffffffa6 RBX: ff1100000583c900 RCX: 1ff4000000051f02
[   10.850949][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000583c9bc
[   10.851188][   T36] RBP: ff1100000fb94000 R08: 1fe2200000b07939 R09: ff11000001d751a8
[   10.851424][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.851652][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.851884][   T36] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   10.852169][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.852378][   T36] CR2: 00007f6af4c79574 CR3: 0000000026d4d002 CR4: 0000000000771ef0
[   10.852618][   T36] PKRU: 55555554
[   10.852761][   T36] Call Trace:
[   10.852900][   T36]  <TASK>
[   10.853012][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.853201][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.853378][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.853522][   T36]  netif_state_change (net/core/dev.c:1605)
[   10.853702][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.853903][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.854087][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.854257][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.854442][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.854612][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.854787][   T36]  process_one_work (kernel/workqueue.c:3314)
[   10.854960][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.855142][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.855324][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.855501][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.855672][   T36]  kthread (kernel/kthread.c:436)
[   10.855822][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.856020][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.856231][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.856406][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.856604][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.856782][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.856956][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.860546][   T36] ------------[ cut here ]------------
| [   10.860716][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   10.861004][   T36] Modules linked in:
| [   10.861500][   T36] Tainted: [W]=WARN
[   10.861639][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.861843][   T36] Workqueue: events_unbound linkwatch_event
[   10.862063][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.862266][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.862748][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   10.862949][   T36] RAX: 00000000ffffffa6 RBX: ff1100000583c740 RCX: 1ff4000000051f02
[   10.863193][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000583c7fc
[   10.863430][   T36] RBP: ff11000008c09000 R08: 1fe2200000b07901 R09: ff11000001d751a8
[   10.863657][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.863883][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.864128][   T36] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   10.864396][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.864596][   T36] CR2: 00007f6af4c79574 CR3: 0000000026d4d002 CR4: 0000000000771ef0
[   10.864834][   T36] PKRU: 55555554
[   10.864972][   T36] Call Trace:
[   10.865126][   T36]  <TASK>
[   10.865237][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.865423][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.865596][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.865748][   T36]  netif_state_change (net/core/dev.c:1605)
[   10.865919][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.866134][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.866312][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.866488][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.866665][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.866836][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.867007][   T36]  process_one_work (kernel/workqueue.c:3314)
[   10.867194][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.867373][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.867551][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.867736][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.867907][   T36]  kthread (kernel/kthread.c:436)
[   10.868061][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.868258][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.868438][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.868611][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.868818][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.868988][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.869168][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.342832][  T247] ------------[ cut here ]------------
| [   11.343071][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/247
| [   11.343404][  T247] Modules linked in:
| [   11.343894][  T247] Tainted: [W]=WARN
[   11.344062][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.344283][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.344523][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.345182][  T247] RSP: 0018:ffa0000000b471b0 EFLAGS: 00010286
[   11.345499][  T247] RAX: 00000000ffffffa6 RBX: ff1100000c688040 RCX: 1ff4000000168dfc
[   11.345854][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6880fc
[   11.346210][  T247] RBP: ff1100000f222000 R08: 1fe22000018d1021 R09: ff1100000fe7d180
[   11.346533][  T247] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.346867][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5920900
[   11.347212][  T247] FS:  00007f9d3501b840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   11.347508][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.347740][  T247] CR2: 00000000004a04a0 CR3: 000000000f8c3004 CR4: 0000000000771ef0
[   11.347995][  T247] PKRU: 55555554
[   11.348162][  T247] Call Trace:
[   11.348322][  T247]  <TASK>
[   11.348445][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.348635][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.348801][  T247]  __dev_notify_flags (net/core/dev.c:9787)
[   11.348992][  T247]  ? netif_change_name (net/core/dev.c:1495)
[   11.349194][  T247]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.349420][  T247]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.349612][  T247]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.349806][  T247]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   11.349999][  T247]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.350230][  T247]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.350429][  T247]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.350618][  T247]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.350823][  T247]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.351018][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.351225][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.351430][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.351624][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.351819][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.352005][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.352214][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.352422][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.352614][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.352806][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.352993][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.353196][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.353407][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.353592][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.353791][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.353980][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.354183][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.354385][  T247]  ? 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))
[   11.354572][  T247]  ? 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))
[   11.354772][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.354962][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.355164][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.355361][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.355551][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.355748][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.355940][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.356148][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.356344][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.356563][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.356760][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.356947][  T247]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.357149][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.357343][  T247]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[   11.357536][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.357747][  T247]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.357940][  T247]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.358145][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.358341][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.358533][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.358729][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.358918][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.359124][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.359321][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.359510][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.359738][  T247] RIP: 0033:0x7f9d3525508e
[   11.359936][  T247] 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
[   11.360494][  T247] RSP: 002b:00007fffc612fef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.360758][  T247] RAX: ffffffffffffffda RBX: 00007fffc6130688 RCX: 00007f9d3525508e
[   11.361011][  T247] RDX: 0000000000000000 RSI: 00007fffc612ffa0 RDI: 0000000000000005
[   11.361278][  T247] RBP: 00007fffc612ff00 R08: 0000000000000000 R09: 0000000000000000
[   11.361545][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.361806][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc6130660
| [   11.420290][  T248] ------------[ cut here ]------------
| [   11.420463][  T248] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/248
| [   11.420703][  T248] Modules linked in:
| [   11.421084][  T248] Tainted: [W]=WARN
[   11.421185][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.421364][  T248] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.421539][  T248] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.422022][  T248] RSP: 0018:ffa0000000b57020 EFLAGS: 00010286
[   11.422552][  T248] RAX: 00000000ffffffa6 RBX: ff1100000c740900 RCX: 1ff400000016adca
[   11.422756][  T248] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7409bc
[   11.422952][  T248] RBP: ff1100000f222000 R08: 1fe22000018e8139 R09: ff1100000fe7ae58
[   11.423214][  T248] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.423416][  T248] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.423615][  T248] FS:  00007fd465194840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   11.423847][  T248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.424013][  T248] CR2: 00000000371d6988 CR3: 000000000f3cc006 CR4: 0000000000771ef0
[   11.424220][  T248] PKRU: 55555554
[   11.424324][  T248] Call Trace:
[   11.424423][  T248]  <TASK>
[   11.424493][  T248]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   11.424626][  T248]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.424764][  T248]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.424870][  T248]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.425002][  T248]  __dev_notify_flags (net/core/dev.c:9787)
[   11.425142][  T248]  ? netif_change_name (net/core/dev.c:1495)
[   11.425279][  T248]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.425415][  T248]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.425547][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.425683][  T248]  ? 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))
[   11.425818][  T248]  netif_change_flags (net/core/dev.c:9820)
[   11.425957][  T248]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.426095][  T248]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.426230][  T248]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.426369][  T248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.426533][  T248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.426673][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.426806][  T248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.426941][  T248]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.427082][  T248]  ? __kernel_text_address (kernel/extable.c:79)
[   11.427216][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.427355][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.427487][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.427620][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.427755][  T248]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.427886][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.428017][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.428154][  T248]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.428288][  T248]  ? __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)
[   11.428427][  T248]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.428559][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.428700][  T248]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.428834][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.428968][  T248]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.429117][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.429249][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.429389][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.429520][  T248]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.429656][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.429791][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.429923][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.430059][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.430190][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.430328][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.430460][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.430592][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.430727][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.430858][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.430992][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.431127][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.431263][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.431401][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.431534][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.431673][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.431804][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.431938][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.432075][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.432207][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.432343][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.432477][  T248]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.432611][  T248]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.432747][  T248]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.432903][  T248]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.433039][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.433203][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   11.433341][  T248]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.433472][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.433605][  T248]  ___sys_sendmsg (net/socket.c:2752)
[   11.433739][  T248]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.433903][  T248]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.434051][  T248]  __sys_sendmsg (net/socket.c:2784)
[   11.434183][  T248]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.434323][  T248]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.434492][  T248]  ? 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)
[   11.434625][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.434761][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.434892][  T248]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.435032][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.435164][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.435333][  T248] RIP: 0033:0x7fd4653ce08e
[   11.435470][  T248] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.435944][  T248] RSP: 002b:00007ffff59e3030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.436148][  T248] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd4653ce08e
[   11.436351][  T248] RDX: 0000000000000000 RSI: 00007ffff59e30e0 RDI: 0000000000000005
[   11.436548][  T248] RBP: 00007ffff59e3040 R08: 0000000000000000 R09: 0000000000000000
[   11.436749][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.436946][  T248] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff59e37a0
| [   11.489994][  T250] ------------[ cut here ]------------
| [   11.490187][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/250
| [   11.490484][  T250] Modules linked in:
| [   11.490965][  T250] Tainted: [W]=WARN
[   11.491226][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.491524][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.491823][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.492458][  T250] RSP: 0018:ffa0000000b66ee0 EFLAGS: 00010286
[   11.492678][  T250] RAX: 00000000ffffffa6 RBX: ff11000004fa4740 RCX: 1ff400000016cda2
[   11.492928][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa47fc
[   11.493204][  T250] RBP: ff11000007ee1000 R08: 1fe22000009f4901 R09: ff1100000e8f5158
[   11.493462][  T250] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   11.493721][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   11.493974][  T250] FS:  00007efc98779840(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   11.494273][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.494499][  T250] CR2: 00000000004ebf30 CR3: 00000000107b9001 CR4: 0000000000771ef0
[   11.494757][  T250] PKRU: 55555554
[   11.494907][  T250] Call Trace:
[   11.495071][  T250]  <TASK>
[   11.495192][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.495385][  T250]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.495573][  T250]  notifier_call_chain (kernel/notifier.c:85)
[   11.495768][  T250]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   11.495951][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.496149][  T250]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.496342][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.496533][  T250]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   11.496725][  T250]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   11.496912][  T250]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   11.497110][  T250]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   11.497295][  T250]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   11.497490][  T250]  br_add_if (net/bridge/br_if.c:619)
[   11.497652][  T250]  do_set_master (net/core/rtnetlink.c:3011)
[   11.497839][  T250]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.498043][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.498230][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.498421][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.498640][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.498829][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.499016][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.499216][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.499414][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.499600][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.499794][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.499979][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.500179][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.500372][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.500558][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.500756][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.500945][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.501144][  T250]  ? __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)
[   11.501337][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.501524][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.501721][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.501905][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.502108][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.502309][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.502499][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.502688][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.502873][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.503073][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.503258][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.503456][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.503641][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.503835][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.504037][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.504223][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.504418][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.504603][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.504795][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.504980][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.505183][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.505379][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.505568][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.505761][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.505947][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.506150][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.506342][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.506533][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.506730][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.506916][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.507115][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.507312][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.507498][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.507692][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.507879][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.508078][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.508299][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.508496][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.508690][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.508877][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.509076][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.509295][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.509506][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.509701][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.509885][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.510115][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.510309][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.510496][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.510686][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.510872][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.511077][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.511294][  T250] RIP: 0033:0x7efc989b308e
[   11.511495][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.512040][  T250] RSP: 002b:00007ffc8a1c3c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.512295][  T250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc989b308e
[   11.512555][  T250] RDX: 0000000000000000 RSI: 00007ffc8a1c3cb0 RDI: 0000000000000005
[   11.512814][  T250] RBP: 00007ffc8a1c3c10 R08: 0000000000000000 R09: 0000000000000000
[   11.513078][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.513339][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8a1c4370
| [   11.515530][  T250] ------------[ cut here ]------------
| [   11.515675][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/250
| [   11.515917][  T250] Modules linked in:
| [   11.516321][  T250] Tainted: [W]=WARN
[   11.516426][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.516602][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.516786][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.517351][  T250] RSP: 0018:ffa0000000b66ea0 EFLAGS: 00010286
[   11.517528][  T250] RAX: 00000000ffffffa6 RBX: ff11000004fa4900 RCX: 1ff400000016cd9a
[   11.517739][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa49bc
[   11.517945][  T250] RBP: ff11000007ee1000 R08: 1fe22000009f4939 R09: ff1100000e8f5158
[   11.518160][  T250] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   11.518376][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f222dc0
[   11.518586][  T250] FS:  00007efc98779840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   11.518834][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.519009][  T250] CR2: 00007fd465261574 CR3: 00000000107b9002 CR4: 0000000000771ef0
[   11.519226][  T250] PKRU: 55555554
[   11.519337][  T250] Call Trace:
[   11.519448][  T250]  <TASK>
[   11.519521][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.519667][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.519773][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   11.519914][  T250]  ? netdev_notice (net/core/dev.c:13008)
[   11.520063][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   11.520203][  T250]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.520385][  T250]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.520530][  T250]  __dev_set_promiscuity (net/core/dev.c:9630)
[   11.520676][  T250]  netif_set_promiscuity (net/core/dev.c:9639)
[   11.520817][  T250]  dev_set_promiscuity (net/core/dev_api.c:288)
[   11.520958][  T250]  br_port_set_promisc (net/bridge/br_if.c:108)
[   11.521105][  T250]  br_manage_promisc (net/bridge/br_if.c:174)
[   11.521244][  T250]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   11.521389][  T250]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   11.521499][  T250]  do_set_master (net/core/rtnetlink.c:3011)
[   11.521643][  T250]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.521785][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.521927][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.522074][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.522250][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.522397][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.522539][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.522682][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.522821][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.522961][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.523109][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.523249][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.523396][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.523538][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.523680][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.523819][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.523959][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.524106][  T250]  ? __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)
[   11.524246][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.524389][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.524530][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.524674][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.524815][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.524958][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.525117][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.525256][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.525402][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.525541][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.525684][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.525826][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.525965][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.526108][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.526248][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.526394][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.526533][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.526675][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.526816][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.526954][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.527102][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.527240][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.527387][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.527527][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.527670][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.527813][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.527954][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.528102][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.528245][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.528392][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.528534][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.528678][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.528819][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.528961][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.529106][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.529246][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.529421][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.529561][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.529704][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.529845][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.529985][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.530163][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.530317][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.530557][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.530699][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.530873][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.531115][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.531258][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.531402][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.531540][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.531780][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.531953][  T250] RIP: 0033:0x7efc989b308e
[   11.532102][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.532705][  T250] RSP: 002b:00007ffc8a1c3c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.532914][  T250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc989b308e
[   11.533223][  T250] RDX: 0000000000000000 RSI: 00007ffc8a1c3cb0 RDI: 0000000000000005
[   11.533436][  T250] RBP: 00007ffc8a1c3c10 R08: 0000000000000000 R09: 0000000000000000
[   11.533648][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.533952][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8a1c4370
| [   11.537265][  T250] ------------[ cut here ]------------
| [   11.537405][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/250
| [   11.537648][  T250] Modules linked in:
| [   11.538040][  T250] Tainted: [W]=WARN
[   11.538143][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.538313][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.538487][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.538963][  T250] RSP: 0018:ffa0000000b67000 EFLAGS: 00010286
[   11.539137][  T250] RAX: 00000000ffffffa6 RBX: ff11000004fa5700 RCX: 1ff400000016cdc6
[   11.539349][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa57bc
[   11.539549][  T250] RBP: ff1100000f222000 R08: 1fe22000009f4af9 R09: ff1100000e8f5158
[   11.539840][  T250] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.540040][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.540339][  T250] FS:  00007efc98779840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   11.540572][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.540742][  T250] CR2: 000055f05d560d5c CR3: 00000000107b9002 CR4: 0000000000771ef0
[   11.540941][  T250] PKRU: 55555554
[   11.541047][  T250] Call Trace:
[   11.541150][  T250]  <TASK>
[   11.541223][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.541362][  T250]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.541583][  T250]  notifier_call_chain (kernel/notifier.c:85)
[   11.541720][  T250]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   11.541853][  T250]  ? __dev_open (./include/net/netdev_lock.h:33)
[   11.541986][  T250]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   11.542136][  T250]  br_add_if (net/bridge/br_if.c:679)
[   11.542241][  T250]  do_set_master (net/core/rtnetlink.c:3011)
[   11.542380][  T250]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.542512][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.542651][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.542785][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.542950][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.543088][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.543220][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.543356][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.543488][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.543623][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.543848][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.543980][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.544124][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.544257][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.544400][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.544532][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.544668][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.544803][  T250]  ? __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)
[   11.544934][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.545072][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.545206][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.545345][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.545481][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.545621][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.545760][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.545893][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.546120][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.546252][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.546390][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.546524][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.546659][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.546800][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.546936][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.547074][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.547209][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.547348][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.547481][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.547613][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.547837][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.547969][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.548110][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.548242][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.548381][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.548518][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.548653][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.548789][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.548924][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.549069][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.549204][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.549346][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.549569][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.549708][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.549842][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.549976][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.550148][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.550286][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.550426][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.550561][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.550698][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.550863][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.551010][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.551238][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.551380][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.551550][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.551686][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.551821][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.551954][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.552098][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.552232][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.552405][  T250] RIP: 0033:0x7efc989b308e
[   11.552546][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.553123][  T250] RSP: 002b:00007ffc8a1c3c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.553331][  T250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc989b308e
[   11.553534][  T250] RDX: 0000000000000000 RSI: 00007ffc8a1c3cb0 RDI: 0000000000000005
[   11.553746][  T250] RBP: 00007ffc8a1c3c10 R08: 0000000000000000 R09: 0000000000000000
[   11.553945][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.554152][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8a1c4370
| [   11.561329][  T250] ------------[ cut here ]------------
| [   11.561469][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/250
| [   11.561704][  T250] Modules linked in:
| [   11.562084][  T250] Tainted: [W]=WARN
[   11.562184][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.562352][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.562524][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.563000][  T250] RSP: 0018:ffa0000000b66f78 EFLAGS: 00010286
[   11.563183][  T250] RAX: 00000000ffffffa6 RBX: ff11000004fa5c40 RCX: 1ff400000016cdb5
[   11.563385][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa5cfc
[   11.563599][  T250] RBP: ff1100000f222000 R08: 1fe22000009f4ba1 R09: ff1100000e8f5158
[   11.563804][  T250] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.564002][  T250] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[   11.564227][  T250] FS:  00007efc98779840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   11.564468][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.564636][  T250] CR2: 000055f05d560d5c CR3: 00000000107b9002 CR4: 0000000000771ef0
[   11.564841][  T250] PKRU: 55555554
[   11.564940][  T250] Call Trace:
[   11.565042][  T250]  <TASK>
[   11.565112][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.565244][  T250]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.565384][  T250]  notifier_call_chain (kernel/notifier.c:85)
[   11.565519][  T250]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   11.565688][  T250]  ? netdev_change_features (net/core/dev.c:11117)
[   11.565825][  T250]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   11.565961][  T250]  br_add_if (net/bridge/br_if.c:683)
[   11.566612][  T250]  do_set_master (net/core/rtnetlink.c:3011)
[   11.566748][  T250]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.566882][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.567017][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.567210][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.567384][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.567517][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.567652][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.567785][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.567919][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.568113][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.568314][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.568451][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.568586][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.568721][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.568853][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.568985][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.569181][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.569320][  T250]  ? __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)
[   11.569453][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.569588][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.569725][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.569857][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.569993][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.570192][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.570331][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.570463][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.570599][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.570735][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.570868][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.571007][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.571199][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.571336][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.571470][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.571604][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.571745][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.571877][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.572010][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.572202][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.572343][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.572475][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.572609][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.572746][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.572881][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.573088][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.573221][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.573361][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.573496][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.573630][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.573768][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.573906][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.574097][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.574231][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.574372][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.574505][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.574675][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.574810][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.574945][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.575138][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.575271][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.575443][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.575589][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.575726][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.575859][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.576092][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.576226][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.576368][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.576505][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.576642][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.576775][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.576940][  T250] RIP: 0033:0x7efc989b308e
[   11.577141][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.577621][  T250] RSP: 002b:00007ffc8a1c3c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.577825][  T250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc989b308e
[   11.578082][  T250] RDX: 0000000000000000 RSI: 00007ffc8a1c3cb0 RDI: 0000000000000005
[   11.578281][  T250] RBP: 00007ffc8a1c3c10 R08: 0000000000000000 R09: 0000000000000000
[   11.578483][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.578705][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8a1c4370
| [   11.581353][   T36] ------------[ cut here ]------------
| [   11.581482][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   11.581728][   T36] Modules linked in:
| [   11.582115][   T36] Tainted: [W]=WARN
[   11.582206][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.582362][   T36] Workqueue: events_unbound linkwatch_event
[   11.582520][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.582679][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.583128][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   11.583280][   T36] RAX: 00000000ffffffa6 RBX: ff11000009359700 RCX: 1ff4000000051f02
[   11.583461][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093597bc
[   11.583647][   T36] RBP: ff1100000f222000 R08: 1fe220000126b2f9 R09: ff11000001d751a8
[   11.583826][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.584004][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.584199][   T36] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   11.584422][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.584574][   T36] CR2: 000055f05d560d5c CR3: 0000000026d4d003 CR4: 0000000000771ef0
[   11.584758][   T36] PKRU: 55555554
[   11.584848][   T36] Call Trace:
[   11.584937][   T36]  <TASK>
[   11.585000][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.585126][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.585251][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.585349][   T36]  netif_state_change (net/core/dev.c:1605)
[   11.585470][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.585621][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.585744][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.585865][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.585988][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.586118][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.586239][   T36]  process_one_work (kernel/workqueue.c:3314)
[   11.586376][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.586497][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.586626][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.586754][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.586873][   T36]  kthread (kernel/kthread.c:436)
[   11.586968][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.587122][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.587242][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.587374][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.587524][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.587648][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.587768][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.737779][  T252] ------------[ cut here ]------------
| [   11.737956][  T252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/252
| [   11.738208][  T252] Modules linked in: amt
| [   11.738606][  T252] Tainted: [W]=WARN
[   11.738717][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.738892][  T252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.739077][  T252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.739582][  T252] RSP: 0018:ffa0000000b870f0 EFLAGS: 00010286
[   11.739759][  T252] RAX: 00000000ffffffa6 RBX: ff1100000ab9ec80 RCX: 1ff4000000170de4
[   11.739968][  T252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab9ed3c
[   11.740183][  T252] RBP: ff110000053c4000 R08: 1fe2200001573da9 R09: ff1100000f862e80
[   11.740399][  T252] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.740609][  T252] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.740822][  T252] FS:  00007f12bbef2840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   11.741070][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.741244][  T252] CR2: 00007f12bc0eb460 CR3: 00000000122d4004 CR4: 0000000000771ef0
[   11.741459][  T252] PKRU: 55555554
[   11.741564][  T252] Call Trace:
[   11.741672][  T252]  <TASK>
[   11.741744][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.741885][  T252]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.742031][  T252]  notifier_call_chain (kernel/notifier.c:85)
[   11.742173][  T252]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   11.742317][  T252]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.742462][  T252]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   11.742603][  T252]  netdev_upper_dev_link (net/core/dev.c:8972)
[   11.742747][  T252]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   11.742886][  T252] amt_newlink (drivers/net/amt.c:3271) amt
[   11.743032][  T252]  ? nla_strscpy (lib/nlattr.c:795)
[   11.743172][  T252]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.743321][  T252]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.743459][  T252]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.743601][  T252]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.743755][  T252]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.743901][  T252]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.744108][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.744249][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.744394][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.744533][  T252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.744674][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.744817][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.744955][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.745098][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.745237][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.745379][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.745515][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.745655][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.745792][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.745930][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.746072][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.746211][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.746360][  T252]  ? 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))
[   11.746497][  T252]  ? 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))
[   11.746639][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.746781][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.746919][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.747064][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.747202][  T252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.747347][  T252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.747489][  T252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.747626][  T252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.747767][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.747937][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.748079][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.748216][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.748360][  T252]  ___sys_sendmsg (net/socket.c:2752)
[   11.748499][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.748673][  T252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.748823][  T252]  __sys_sendmsg (net/socket.c:2784)
[   11.748961][  T252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.749109][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.749283][  T252]  ? 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)
[   11.749426][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.749567][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.749708][  T252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.749847][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.749984][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.750162][  T252] RIP: 0033:0x7f12bc12c08e
[   11.750310][  T252] 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
[   11.750803][  T252] RSP: 002b:00007fff760237f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.751011][  T252] RAX: ffffffffffffffda RBX: 00007fff76023f98 RCX: 00007f12bc12c08e
[   11.751222][  T252] RDX: 0000000000000000 RSI: 00007fff760238a0 RDI: 0000000000000005
[   11.751436][  T252] RBP: 00007fff76023800 R08: 0000000000000000 R09: 0000000000000000
[   11.751644][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.751850][  T252] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff76023f60
| [   11.753459][  T252] ------------[ cut here ]------------
| [   11.753590][  T252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/252
| [   11.753824][  T252] Modules linked in: amt
| [   11.754213][  T252] Tainted: [W]=WARN
[   11.754320][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.754487][  T252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.754667][  T252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.755262][  T252] RSP: 0018:ffa0000000b871b0 EFLAGS: 00010286
[   11.755436][  T252] RAX: 00000000ffffffa6 RBX: ff1100000ab9ee40 RCX: 1ff4000000170dfc
[   11.755637][  T252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab9eefc
[   11.755839][  T252] RBP: ff1100000a8f2000 R08: 1fe2200001573de1 R09: ff1100000f862e80
[   11.756042][  T252] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.756242][  T252] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc03ef320
[   11.756448][  T252] FS:  00007f12bbef2840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   11.756689][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.756860][  T252] CR2: 00007f12bc0eb460 CR3: 00000000122d4004 CR4: 0000000000771ef0
[   11.757073][  T252] PKRU: 55555554
[   11.757173][  T252] Call Trace:
[   11.757272][  T252]  <TASK>
[   11.757349][  T252]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.757484][  T252]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.757588][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.757727][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.757861][  T252]  __dev_notify_flags (net/core/dev.c:9787)
[   11.758009][  T252]  ? netif_change_name (net/core/dev.c:1495)
[   11.758150][  T252]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   11.758288][  T252]  ? is_module_address (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 kernel/module/main.c:3876)
[   11.758428][  T252]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   11.758562][  T252]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.758667][  T252]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.758801][  T252]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.758941][  T252]  ? nla_strscpy (lib/nlattr.c:795)
[   11.759082][  T252]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.759219][  T252]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.759360][  T252]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.759494][  T252]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.759633][  T252]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.759775][  T252]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.759912][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.760055][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.760187][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.760326][  T252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.760463][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.760601][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.760741][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.760876][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.761013][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.761152][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.761287][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.761427][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.761561][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.761698][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.761831][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.761967][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.762112][  T252]  ? 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))
[   11.762244][  T252]  ? 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))
[   11.762385][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.762521][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.762658][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.762793][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.762928][  T252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.763069][  T252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.763210][  T252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.763349][  T252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.763482][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.763650][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.763786][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.763920][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.764061][  T252]  ___sys_sendmsg (net/socket.c:2752)
[   11.764198][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.764371][  T252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.764522][  T252]  __sys_sendmsg (net/socket.c:2784)
[   11.764659][  T252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.764793][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.764962][  T252]  ? 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)
[   11.765111][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.765256][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.765399][  T252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.765535][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.765674][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.765846][  T252] RIP: 0033:0x7f12bc12c08e
[   11.765993][  T252] 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
[   11.766495][  T252] RSP: 002b:00007fff760237f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.766702][  T252] RAX: ffffffffffffffda RBX: 00007fff76023f98 RCX: 00007f12bc12c08e
[   11.766902][  T252] RDX: 0000000000000000 RSI: 00007fff760238a0 RDI: 0000000000000005
[   11.767111][  T252] RBP: 00007fff76023800 R08: 0000000000000000 R09: 0000000000000000
[   11.767318][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.767519][  T252] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff76023f60
| [   11.770637][  T252] ------------[ cut here ]------------
| [   11.770781][  T252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/252
| [   11.771022][  T252] Modules linked in: amt
| [   11.771948][  T252] Tainted: [W]=WARN
[   11.772114][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.772286][  T252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.772476][  T252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.772965][  T252] RSP: 0018:ffa0000000b87070 EFLAGS: 00010286
[   11.773202][  T252] RAX: 00000000ffffffa6 RBX: ff1100000ab9f000 RCX: 1ff4000000170dd4
[   11.773418][  T252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab9f0bc
[   11.773623][  T252] RBP: ff1100000a8f2000 R08: 1fe2200001573e19 R09: ff1100000f862e80
[   11.773890][  T252] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.774155][  T252] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.774372][  T252] FS:  00007f12bbef2840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   11.774611][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.774787][  T252] CR2: 00007f12bc0eb460 CR3: 00000000122d4004 CR4: 0000000000771ef0
[   11.774993][  T252] PKRU: 55555554
[   11.775156][  T252] Call Trace:
[   11.775269][  T252]  <TASK>
[   11.775350][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.775496][  T252]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.775636][  T252]  notifier_call_chain (kernel/notifier.c:85)
[   11.775779][  T252]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   11.775918][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.776118][  T252]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.776257][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.776408][  T252]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   11.776552][  T252]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   11.776695][  T252]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   11.776834][  T252]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   11.776973][  T252]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   11.777174][  T252]  br_add_if (net/bridge/br_if.c:619)
[   11.777281][  T252]  ? is_module_address (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 kernel/module/main.c:3876)
[   11.777425][  T252]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   11.777568][  T252]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.777711][  T252]  do_set_master (net/core/rtnetlink.c:3011)
[   11.777850][  T252]  ? nla_strscpy (lib/nlattr.c:795)
[   11.778233][  T252]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   11.778379][  T252]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.778516][  T252]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.778655][  T252]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.778800][  T252]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.778947][  T252]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.779175][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.779319][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.779459][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.779597][  T252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.779737][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.779879][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.780084][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.780222][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.780370][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.780506][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.780646][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.780786][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.780923][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.781122][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.781265][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.781410][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.781552][  T252]  ? 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))
[   11.781694][  T252]  ? 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))
[   11.781835][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.781976][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.782176][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.782325][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.782466][  T252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.782606][  T252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.782751][  T252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.782889][  T252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.783089][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.783260][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.783407][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.783551][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.783695][  T252]  ___sys_sendmsg (net/socket.c:2752)
[   11.783834][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.784006][  T252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.784221][  T252]  __sys_sendmsg (net/socket.c:2784)
[   11.784366][  T252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.784505][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.784688][  T252]  ? 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)
[   11.784827][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.784966][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.785165][  T252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.785308][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.785447][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.785619][  T252] RIP: 0033:0x7f12bc12c08e
[   11.785771][  T252] 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
[   11.786334][  T252] RSP: 002b:00007fff760237f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.786542][  T252] RAX: ffffffffffffffda RBX: 00007fff76023f98 RCX: 00007f12bc12c08e
[   11.786758][  T252] RDX: 0000000000000000 RSI: 00007fff760238a0 RDI: 0000000000000005
[   11.786964][  T252] RBP: 00007fff76023800 R08: 0000000000000000 R09: 0000000000000000
[   11.787238][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.787450][  T252] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff76023f60
| [   11.789395][  T252] ------------[ cut here ]------------
| [   11.789543][  T252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/252
| [   11.789800][  T252] Modules linked in: amt
| [   11.790248][  T252] Tainted: [W]=WARN
[   11.790365][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.790548][  T252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.790741][  T252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.791269][  T252] RSP: 0018:ffa0000000b87030 EFLAGS: 00010286
[   11.791458][  T252] RAX: 00000000ffffffa6 RBX: ff1100000cea5540 RCX: 1ff4000000170dcc
[   11.791680][  T252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cea55fc
[   11.791899][  T252] RBP: ff1100000a8f2000 R08: 1fe22000019d4ac1 R09: ff1100000f862e80
[   11.792125][  T252] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   11.792348][  T252] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f222dc0
[   11.792565][  T252] FS:  00007f12bbef2840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   11.792827][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.793010][  T252] CR2: 00007fd465261574 CR3: 00000000122d4005 CR4: 0000000000771ef0
[   11.793236][  T252] PKRU: 55555554
[   11.793355][  T252] Call Trace:
[   11.793464][  T252]  <TASK>
[   11.793540][  T252]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.793690][  T252]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.793803][  T252]  __dev_notify_flags (net/core/dev.c:9787)
[   11.793950][  T252]  ? netdev_notice (net/core/dev.c:13008)
[   11.794105][  T252]  ? netif_change_name (net/core/dev.c:1495)
[   11.794252][  T252]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.794443][  T252]  ? netif_disable_lro (net/core/dev.c:11098 net/core/dev.c:1830)
[   11.794589][  T252]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.794742][  T252]  __dev_set_promiscuity (net/core/dev.c:9630)
[   11.794891][  T252]  netif_set_promiscuity (net/core/dev.c:9639)
[   11.795040][  T252]  dev_set_promiscuity (net/core/dev_api.c:288)
[   11.795188][  T252]  br_port_set_promisc (net/bridge/br_if.c:108)
[   11.795340][  T252]  br_manage_promisc (net/bridge/br_if.c:174)
[   11.795487][  T252]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   11.795598][  T252]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   11.795749][  T252]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.795899][  T252]  do_set_master (net/core/rtnetlink.c:3011)
[   11.796052][  T252]  ? nla_strscpy (lib/nlattr.c:795)
[   11.796199][  T252]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   11.796354][  T252]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.796500][  T252]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.796649][  T252]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.796802][  T252]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.796954][  T252]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.797111][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.797255][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.797409][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.797554][  T252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.797704][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.797855][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.798003][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.798157][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.798310][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.798458][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.798603][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.798756][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.798902][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.799055][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.799202][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.799357][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.799510][  T252]  ? 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))
[   11.799657][  T252]  ? 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))
[   11.799805][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.799953][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.800107][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.800254][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.800410][  T252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.800559][  T252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.800709][  T252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.800854][  T252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.800999][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.801183][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.801336][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.801482][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.801631][  T252]  ___sys_sendmsg (net/socket.c:2752)
[   11.801778][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.801958][  T252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.802142][  T252]  __sys_sendmsg (net/socket.c:2784)
[   11.802286][  T252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.802440][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.802622][  T252]  ? 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)
[   11.802772][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.802918][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.803068][  T252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.803212][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.803363][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.803541][  T252] RIP: 0033:0x7f12bc12c08e
[   11.803694][  T252] 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
[   11.804213][  T252] RSP: 002b:00007fff760237f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.804438][  T252] RAX: ffffffffffffffda RBX: 00007fff76023f98 RCX: 00007f12bc12c08e
[   11.804655][  T252] RDX: 0000000000000000 RSI: 00007fff760238a0 RDI: 0000000000000005
[   11.804871][  T252] RBP: 00007fff76023800 R08: 0000000000000000 R09: 0000000000000000
[   11.805100][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.805326][  T252] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff76023f60
| [   11.807493][  T252] ------------[ cut here ]------------
| [   11.807635][  T252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/252
| [   11.807880][  T252] Modules linked in: amt
| [   11.808286][  T252] Tainted: [W]=WARN
[   11.808398][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.808574][  T252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.808758][  T252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.809264][  T252] RSP: 0018:ffa0000000b86fb0 EFLAGS: 00010286
[   11.809446][  T252] RAX: 00000000ffffffa6 RBX: ff1100000cea43c0 RCX: 1ff4000000170dbc
[   11.809656][  T252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cea447c
[   11.809866][  T252] RBP: ff1100000f222000 R08: 1fe22000019d4891 R09: ff1100000f862e80
[   11.810081][  T252] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.810290][  T252] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.810506][  T252] FS:  00007f12bbef2840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   11.810756][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.810933][  T252] CR2: 00007fd465261574 CR3: 00000000122d4005 CR4: 0000000000771ef0
[   11.811151][  T252] PKRU: 55555554
[   11.811258][  T252] Call Trace:
[   11.811369][  T252]  <TASK>
[   11.811441][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.811582][  T252]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.811726][  T252]  notifier_call_chain (kernel/notifier.c:85)
[   11.811870][  T252]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   11.812011][  T252]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   11.812158][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.812298][  T252]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.812445][  T252]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   11.812619][  T252]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.812762][  T252]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   11.812937][  T252]  netif_set_mtu (net/core/dev.c:9910)
[   11.813085][  T252]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   11.813230][  T252]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[   11.813410][  T252]  dev_set_mtu (net/core/dev_api.c:249)
[   11.813519][  T252]  br_mtu_auto_adjust (net/bridge/br_if.c:525 (discriminator 1) net/bridge/br_if.c:514 (discriminator 1))
[   11.813663][  T252]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   11.813804][  T252]  br_add_if (net/bridge/br_if.c:681)
[   11.813911][  T252]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.814058][  T252]  do_set_master (net/core/rtnetlink.c:3011)
[   11.814199][  T252]  ? nla_strscpy (lib/nlattr.c:795)
[   11.814346][  T252]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   11.814490][  T252]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.814629][  T252]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.814772][  T252]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.814917][  T252]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.815066][  T252]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.815207][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.815354][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.815494][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.815633][  T252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.815776][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.815919][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.816064][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.816203][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.816351][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.816490][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.816628][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.816773][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.816911][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.817059][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.817198][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.817346][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.817491][  T252]  ? 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))
[   11.817630][  T252]  ? 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))
[   11.817775][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.817916][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.818060][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.818202][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.818350][  T252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.818494][  T252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.818636][  T252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.818778][  T252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.818917][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.819095][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.819235][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.819380][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.819523][  T252]  ___sys_sendmsg (net/socket.c:2752)
[   11.819665][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.819838][  T252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.819990][  T252]  __sys_sendmsg (net/socket.c:2784)
[   11.820136][  T252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.820274][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.820456][  T252]  ? 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)
[   11.820598][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.820741][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.820880][  T252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.821020][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.821164][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.821342][  T252] RIP: 0033:0x7f12bc12c08e
[   11.821487][  T252] 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
[   11.821991][  T252] RSP: 002b:00007fff760237f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.822215][  T252] RAX: ffffffffffffffda RBX: 00007fff76023f98 RCX: 00007f12bc12c08e
[   11.822428][  T252] RDX: 0000000000000000 RSI: 00007fff760238a0 RDI: 0000000000000005
[   11.822639][  T252] RBP: 00007fff76023800 R08: 0000000000000000 R09: 0000000000000000
[   11.822851][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.823063][  T252] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff76023f60
| [   11.824723][  T252] ------------[ cut here ]------------
| [   11.824853][  T252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/252
| [   11.825090][  T252] Modules linked in: amt
| [   11.825468][  T252] Tainted: [W]=WARN
[   11.825570][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.825740][  T252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.825913][  T252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.826974][  T252] RSP: 0018:ffa0000000b87108 EFLAGS: 00010286
[   11.827202][  T252] RAX: 00000000ffffffa6 RBX: ff1100000cea4580 RCX: 1ff4000000170de7
[   11.827406][  T252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cea463c
[   11.827604][  T252] RBP: ff1100000f222000 R08: 1fe22000019d48c9 R09: ff1100000f862e80
[   11.827806][  T252] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.828004][  T252] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   11.828258][  T252] FS:  00007f12bbef2840(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   11.828495][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.828722][  T252] CR2: 00007fd465261574 CR3: 00000000122d4005 CR4: 0000000000771ef0
[   11.828921][  T252] PKRU: 55555554
[   11.829021][  T252] Call Trace:
[   11.829186][  T252]  <TASK>
[   11.829254][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.829391][  T252]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.829525][  T252]  notifier_call_chain (kernel/notifier.c:85)
[   11.829663][  T252]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   11.829833][  T252]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[   11.830001][  T252]  ? netdev_change_features (net/core/dev.c:11117)
[   11.830191][  T252]  ? br_opt_toggle (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br.c:402)
[   11.830333][  T252]  br_add_if (net/bridge/br_if.c:683)
[   11.830436][  T252]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.830569][  T252]  do_set_master (net/core/rtnetlink.c:3011)
[   11.830706][  T252]  ? nla_strscpy (lib/nlattr.c:795)
[   11.830843][  T252]  rtnl_newlink_create (net/core/rtnetlink.c:3918 (discriminator 1))
[   11.830980][  T252]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.831172][  T252]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.831310][  T252]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.831451][  T252]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.831588][  T252]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.831728][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.831883][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.832019][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.832210][  T252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.832351][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.832489][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.832624][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.832771][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.832904][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.833094][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.833229][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.833370][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.833503][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.833642][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.833784][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.833918][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.834114][  T252]  ? 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))
[   11.834248][  T252]  ? 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))
[   11.834391][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.834526][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.834671][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.834805][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.834941][  T252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.835135][  T252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.835270][  T252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.835410][  T252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.835544][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.835719][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.835855][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.835990][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.836184][  T252]  ___sys_sendmsg (net/socket.c:2752)
[   11.836322][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.836495][  T252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.836652][  T252]  __sys_sendmsg (net/socket.c:2784)
[   11.836787][  T252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.836921][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.837150][  T252]  ? 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)
[   11.837285][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.837426][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.837573][  T252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.837711][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.837847][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.838015][  T252] RIP: 0033:0x7f12bc12c08e
[   11.838217][  T252] 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
[   11.838716][  T252] RSP: 002b:00007fff760237f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.838919][  T252] RAX: ffffffffffffffda RBX: 00007fff76023f98 RCX: 00007f12bc12c08e
[   11.839184][  T252] RDX: 0000000000000000 RSI: 00007fff760238a0 RDI: 0000000000000005
[   11.839390][  T252] RBP: 00007fff76023800 R08: 0000000000000000 R09: 0000000000000000
[   11.839607][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c622
[   11.839920][  T252] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff76023f60
| [   11.955581][  T255] ------------[ cut here ]------------
| [   11.955756][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/255
| [   11.956003][  T255] Modules linked in: amt
| [   11.956414][  T255] Tainted: [W]=WARN
[   11.956520][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.956698][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.956877][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.957380][  T255] RSP: 0018:ffa0000000b470f0 EFLAGS: 00010286
[   11.957554][  T255] RAX: 00000000ffffffa6 RBX: ff1100000d09ec80 RCX: 1ff4000000168de4
[   11.957764][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09ed3c
[   11.957972][  T255] RBP: ff1100000f0d9000 R08: 1fe2200001a13da9 R09: ff11000008ceae80
[   11.958186][  T255] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.958399][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   11.958607][  T255] FS:  00007f9d71297840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   11.958855][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.959035][  T255] CR2: 00000000060319e8 CR3: 000000000f0c1005 CR4: 0000000000771ef0
[   11.959242][  T255] PKRU: 55555554
[   11.959351][  T255] Call Trace:
[   11.959454][  T255]  <TASK>
[   11.959525][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.959668][  T255]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.959806][  T255]  notifier_call_chain (kernel/notifier.c:85)
[   11.959948][  T255]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   11.960091][  T255]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.960233][  T255]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   11.960379][  T255]  netdev_upper_dev_link (net/core/dev.c:8972)
[   11.960516][  T255]  ? __netdev_upper_dev_link (net/core/dev.c:8112)
[   11.960657][  T255] amt_newlink (drivers/net/amt.c:3271) amt
[   11.960797][  T255]  ? nla_strscpy (lib/nlattr.c:795)
[   11.960936][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.961082][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.961222][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.961365][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.961509][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.961654][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.961795][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.961934][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.962076][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.962213][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.962354][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.962496][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.962635][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.962778][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.962917][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.963060][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.963197][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.963343][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.963480][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.963619][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.963761][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.963899][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.964045][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.964184][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.964330][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.964470][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.964608][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.964751][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.964890][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.965034][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.965175][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.965319][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.965458][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.965630][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.965772][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.965911][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.966055][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.966193][  T255]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.966370][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.966522][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.966662][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.966801][  T255]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.966975][  T255]  ? 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)
[   11.967119][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.967258][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.967400][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.967537][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.967677][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.967846][  T255] RIP: 0033:0x7f9d714d108e
[   11.967990][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.968499][  T255] RSP: 002b:00007ffeee0e09f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.968711][  T255] RAX: ffffffffffffffda RBX: 00007ffeee0e1188 RCX: 00007f9d714d108e
[   11.968917][  T255] RDX: 0000000000000000 RSI: 00007ffeee0e0aa0 RDI: 0000000000000005
[   11.969128][  T255] RBP: 00007ffeee0e0a00 R08: 0000000000000000 R09: 0000000000000000
[   11.969339][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c623
[   11.969544][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeee0e1160
| [   11.971162][  T255] ------------[ cut here ]------------
| [   11.971297][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/255
| [   11.971536][  T255] Modules linked in: amt
| [   11.971914][  T255] Tainted: [W]=WARN
[   11.972015][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.972189][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.972371][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.972850][  T255] RSP: 0018:ffa0000000b471b0 EFLAGS: 00010286
[   11.973019][  T255] RAX: 00000000ffffffa6 RBX: ff1100000d09eac0 RCX: 1ff4000000168dfc
[   11.973224][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09eb7c
[   11.973433][  T255] RBP: ff11000009c6a000 R08: 1fe2200001a13d71 R09: ff11000008ceae80
[   11.973634][  T255] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.973840][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc03ef320
[   11.974047][  T255] FS:  00007f9d71297840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   11.974281][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.974454][  T255] CR2: 00000000060319e8 CR3: 000000000f0c1005 CR4: 0000000000771ef0
[   11.974660][  T255] PKRU: 55555554
[   11.974760][  T255] Call Trace:
[   11.974859][  T255]  <TASK>
[   11.974929][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.975070][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.975172][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.975310][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.975444][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   11.975581][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   11.975717][  T255]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   11.975853][  T255]  ? is_module_address (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 kernel/module/main.c:3876)
[   11.975986][  T255]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   11.976125][  T255]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.976227][  T255]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.976367][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.976502][  T255]  ? nla_strscpy (lib/nlattr.c:795)
[   11.976640][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.976777][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.976910][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.977049][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.977188][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.977330][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.977466][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.977603][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.977766][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.977899][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.978037][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.978177][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.978318][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.978547][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.978688][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.978822][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.978954][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.979185][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.979322][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.979457][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.979590][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.979819][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.979957][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.980097][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.980232][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.980464][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.980598][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.980737][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.980872][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.981103][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.981239][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.981379][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.981513][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.981774][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.981909][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.982049][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.982185][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.982418][  T255]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.982585][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.982736][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.982964][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.983112][  T255]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.983281][  T255]  ? 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)
[   11.983421][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.983652][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.983785][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.983919][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.984060][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.984322][  T255] RIP: 0033:0x7f9d714d108e
[   11.984462][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.985049][  T255] RSP: 002b:00007ffeee0e09f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.985251][  T255] RAX: ffffffffffffffda RBX: 00007ffeee0e1188 RCX: 00007f9d714d108e
[   11.985548][  T255] RDX: 0000000000000000 RSI: 00007ffeee0e0aa0 RDI: 0000000000000005
[   11.985750][  T255] RBP: 00007ffeee0e0a00 R08: 0000000000000000 R09: 0000000000000000
[   11.985950][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c623
[   11.986250][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeee0e1160
| [   12.334334][  T262] ------------[ cut here ]------------
| [   12.334512][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/262
| [   12.334753][  T262] Modules linked in: amt
| [   12.335534][  T262] Tainted: [W]=WARN
[   12.335637][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.335804][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.335977][  T262] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.336454][  T262] RSP: 0018:ffa0000000547020 EFLAGS: 00010286
[   12.336619][  T262] RAX: 00000000ffffffa6 RBX: ff1100000ab9fe00 RCX: 1ff40000000a8dca
[   12.336820][  T262] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab9febc
[   12.337015][  T262] RBP: ff11000009c6a000 R08: 1fe2200001573fd9 R09: ff1100000a0c8b58
[   12.337217][  T262] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.337420][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.337616][  T262] FS:  00007f685ba1c840(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   12.337847][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.338013][  T262] CR2: 0000000005d26988 CR3: 0000000009c8e004 CR4: 0000000000771ef0
[   12.338217][  T262] PKRU: 55555554
[   12.338321][  T262] Call Trace:
[   12.338419][  T262]  <TASK>
[   12.338488][  T262]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.338623][  T262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.338730][  T262]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.338861][  T262]  __dev_notify_flags (net/core/dev.c:9787)
[   12.338994][  T262]  ? netif_change_name (net/core/dev.c:1495)
[   12.339131][  T262]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.339261][  T262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.339403][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.339537][  T262]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.339673][  T262]  netif_change_flags (net/core/dev.c:9820)
[   12.339802][  T262]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.339935][  T262]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.340072][  T262]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.340202][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.340369][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.340500][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.340629][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.340761][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.340896][  T262]  ? __kernel_text_address (kernel/extable.c:79)
[   12.341031][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.341163][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.341291][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.341427][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.341559][  T262]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.341693][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.341853][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.341984][  T262]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.342122][  T262]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.342252][  T262]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.342385][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.342515][  T262]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.342652][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.342784][  T262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.342918][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.343052][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.343181][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.343320][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.343450][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.343583][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.343713][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.343843][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.343972][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.344106][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.344235][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.344370][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.344499][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.344627][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.344760][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.344889][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.345019][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.345155][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.345285][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.345423][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.345552][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.345686][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.345817][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.345949][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.346088][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.346219][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.346355][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.346488][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.346618][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.346748][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.346914][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   12.347049][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.347180][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.347318][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   12.347448][  T262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.347610][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.347761][  T262]  __sys_sendmsg (net/socket.c:2784)
[   12.347896][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.348029][  T262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.348193][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.348333][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.348469][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.348600][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.348735][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.348865][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.349033][  T262] RIP: 0033:0x7f685bc5608e
[   12.349171][  T262] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.349639][  T262] RSP: 002b:00007fff20d4c1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.349838][  T262] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f685bc5608e
[   12.350037][  T262] RDX: 0000000000000000 RSI: 00007fff20d4c250 RDI: 0000000000000005
[   12.350233][  T262] RBP: 00007fff20d4c1b0 R08: 0000000000000000 R09: 0000000000000000
[   12.350433][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c623
[   12.350630][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff20d4c910
| [   12.392520][  T263] ------------[ cut here ]------------
| [   12.392678][  T263] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/263
| [   12.392912][  T263] Modules linked in: amt
| [   12.393291][  T263] Tainted: [W]=WARN
[   12.393396][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.393561][  T263] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.393736][  T263] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.394207][  T263] RSP: 0018:ffa00000004d7020 EFLAGS: 00010286
[   12.394378][  T263] RAX: 00000000ffffffa6 RBX: ff1100000ceb4900 RCX: 1ff400000009adca
[   12.394574][  T263] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceb49bc
[   12.394771][  T263] RBP: ff1100000a8f2000 R08: 1fe22000019d6939 R09: ff1100000a0cae58
[   12.394964][  T263] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.395164][  T263] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.395369][  T263] FS:  00007f55a4579840(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   12.395599][  T263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.395767][  T263] CR2: 0000000037d8f988 CR3: 000000000f094006 CR4: 0000000000771ef0
[   12.395964][  T263] PKRU: 55555554
[   12.396068][  T263] Call Trace:
[   12.396166][  T263]  <TASK>
[   12.396235][  T263]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.396376][  T263]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.396476][  T263]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.396606][  T263]  __dev_notify_flags (net/core/dev.c:9787)
[   12.396742][  T263]  ? netif_change_name (net/core/dev.c:1495)
[   12.396873][  T263]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.397003][  T263]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.397137][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.397267][  T263]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.397405][  T263]  netif_change_flags (net/core/dev.c:9820)
[   12.397539][  T263]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.397677][  T263]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.397809][  T263]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.397940][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.398106][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.398235][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.398374][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.398504][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.398634][  T263]  ? __kernel_text_address (kernel/extable.c:79)
[   12.398767][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.398897][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.399039][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.399176][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.399304][  T263]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.399440][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.399569][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.399701][  T263]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.399831][  T263]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.399960][  T263]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.400095][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.400227][  T263]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.400362][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.400494][  T263]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.400625][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.400757][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.400884][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.401017][  T263]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.401153][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.401283][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.401417][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.401545][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.401677][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.401806][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.401937][  T263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.402070][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.402198][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.402332][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.402461][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.402589][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.402723][  T263]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.402852][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.402980][  T263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.403123][  T263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.403250][  T263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.403386][  T263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.403515][  T263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.403650][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.403779][  T263]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.403909][  T263]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.404043][  T263]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.404185][  T263]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.404321][  T263]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.404452][  T263]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.404612][  T263]  ? move_addr_to_kernel (net/socket.c:258)
[   12.404745][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.404874][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.405005][  T263]  ___sys_sendmsg (net/socket.c:2752)
[   12.405142][  T263]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.405303][  T263]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.405449][  T263]  __sys_sendmsg (net/socket.c:2784)
[   12.405577][  T263]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.405710][  T263]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.405870][  T263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.405999][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.406135][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.406264][  T263]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.406399][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.406527][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.406691][  T263] RIP: 0033:0x7f55a47b308e
[   12.406826][  T263] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.407292][  T263] RSP: 002b:00007fffb106a520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.407493][  T263] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f55a47b308e
[   12.407687][  T263] RDX: 0000000000000000 RSI: 00007fffb106a5d0 RDI: 0000000000000005
[   12.407882][  T263] RBP: 00007fffb106a530 R08: 0000000000000000 R09: 0000000000000000
[   12.408081][  T263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c623
[   12.408273][  T263] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb106ac90
| [   12.848719][   T12] ------------[ cut here ]------------
| [   12.848918][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   12.849211][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.849679][   T12] Tainted: [W]=WARN
[   12.849769][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.849914][   T12] Workqueue: netns cleanup_net
[   12.850087][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.850244][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.850672][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   12.850821][   T12] RAX: 00000000ffffffa6 RBX: ff110000092b9a80 RCX: 1ff4000000018eed
[   12.850995][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092b9b3c
[   12.851182][   T12] RBP: ff1100000ea41000 R08: 1fe2200001257369 R09: ff11000001aed1d0
[   12.851364][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.851539][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.851721][   T12] FS:  0000000000000000(0000) GS:ff110000b4747000(0000) knlGS:0000000000000000
[   12.851927][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.852083][   T12] CR2: 000055f069c63f58 CR3: 0000000026d4d002 CR4: 0000000000771ef0
[   12.852264][   T12] PKRU: 55555554
[   12.852356][   T12] Call Trace:
[   12.852444][   T12]  <TASK>
[   12.852508][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.852665][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.852809][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.852928][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.853056][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.853174][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.853293][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.853424][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.853544][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.853667][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.853792][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.853962][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.854113][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.854235][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.854357][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.854484][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.854604][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.854729][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.854849][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.854973][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.855147][   T12]  kthread (kernel/kthread.c:436)
[   12.855237][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.855390][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.855510][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.855631][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.855780][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.855897][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.856014][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.866452][   T12] ------------[ cut here ]------------
| [   12.866595][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.866843][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.867338][   T12] Tainted: [W]=WARN
[   12.867431][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.867581][   T12] Workqueue: netns cleanup_net
[   12.867710][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.867865][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.868299][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   12.868455][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c719380 RCX: 1ff4000000018eed
[   12.868635][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c71943c
[   12.868816][   T12] RBP: ff1100000ea14000 R08: 1fe22000018e3289 R09: ff11000001aed1d0
[   12.868997][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.869182][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.869365][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   12.869574][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.869728][   T12] CR2: 00007f84bb19f2a0 CR3: 000000000912b001 CR4: 0000000000771ef0
[   12.869910][   T12] PKRU: 55555554
[   12.870003][   T12] Call Trace:
[   12.870095][   T12]  <TASK>
[   12.870159][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.870318][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.870466][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.870589][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.870712][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.870835][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.870959][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.871086][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.871207][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.871327][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.871451][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.871569][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.871691][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.871811][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.871929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.872056][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.872178][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.872296][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.872425][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.872547][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.872669][   T12]  kthread (kernel/kthread.c:436)
[   12.872758][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.872905][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.873035][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.873154][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.873302][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.873425][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.873544][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.875928][   T12] ------------[ cut here ]------------
| [   12.876057][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.876292][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.876724][   T12] Tainted: [W]=WARN
[   12.876813][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.876961][   T12] Workqueue: netns cleanup_net
[   12.877091][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.877244][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.877678][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   12.877831][   T12] RAX: 00000000ffffffa6 RBX: ff1100000583c040 RCX: 1ff4000000018eed
[   12.878009][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000583c0fc
[   12.878190][   T12] RBP: ff11000008c31000 R08: 1fe2200000b07821 R09: ff11000001aed1d0
[   12.878374][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.878559][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.878742][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   12.878946][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.879101][   T12] CR2: 00007f84bb19f2a0 CR3: 000000000912b001 CR4: 0000000000771ef0
[   12.879284][   T12] PKRU: 55555554
[   12.879383][   T12] Call Trace:
[   12.879472][   T12]  <TASK>
[   12.879534][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.879685][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.879832][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.879953][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.880082][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.880199][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.880322][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.880443][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.880561][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.880678][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.880798][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.880917][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.881037][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.881160][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.881276][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.881399][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.881522][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.881643][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.881762][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.881883][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.882003][   T12]  kthread (kernel/kthread.c:436)
[   12.882095][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.882241][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.882366][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.882483][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.882628][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.882749][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.882869][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.884909][   T12] ------------[ cut here ]------------
| [   12.885039][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.885277][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.885765][   T12] Tainted: [W]=WARN
[   12.885853][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.886001][   T12] Workqueue: netns cleanup_net
[   12.886129][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.886284][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.886710][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   12.886859][   T12] RAX: 00000000ffffffa6 RBX: ff1100000583c900 RCX: 1ff4000000018eed
[   12.887064][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000583c9bc
[   12.887238][   T12] RBP: ff1100000a2f4000 R08: 1fe2200000b07939 R09: ff11000001aed1d0
[   12.887418][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.887593][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.887778][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   12.887988][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.888142][   T12] CR2: 00007f84bb19f2a0 CR3: 000000000912b001 CR4: 0000000000771ef0
[   12.888323][   T12] PKRU: 55555554
[   12.888411][   T12] Call Trace:
[   12.888502][   T12]  <TASK>
[   12.888566][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.888724][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.888867][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.888982][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.889107][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.889229][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.889353][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.889471][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.889597][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.889718][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.889838][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.889955][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.890080][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.890200][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.890320][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.890441][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.890564][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.890684][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.890805][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.890927][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.891050][   T12]  kthread (kernel/kthread.c:436)
[   12.891139][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.891286][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.891409][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.891528][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.891676][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.891792][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.891914][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.893924][   T12] ------------[ cut here ]------------
| [   12.894046][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.894278][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.894698][   T12] Tainted: [W]=WARN
[   12.894790][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.894937][   T12] Workqueue: netns cleanup_net
[   12.895068][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.895219][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.895645][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   12.895792][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca37000 RCX: 1ff4000000018eed
[   12.895965][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca370bc
[   12.896148][   T12] RBP: ff11000008b94000 R08: 1fe2200001946e19 R09: ff11000001aed1d0
[   12.896325][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.896499][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.896677][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   12.896882][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.897037][   T12] CR2: 00007f84bb19f2a0 CR3: 000000000912b001 CR4: 0000000000771ef0
[   12.897216][   T12] PKRU: 55555554
[   12.897303][   T12] Call Trace:
[   12.897394][   T12]  <TASK>
[   12.897454][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.897604][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.897757][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.897872][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.897989][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.898113][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.898228][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.898349][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.898466][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.898581][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.898705][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.898821][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.898938][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.899064][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.899180][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.899298][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.899425][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.899542][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.899673][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.899794][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.899916][   T12]  kthread (kernel/kthread.c:436)
[   12.900005][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.900155][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.900273][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.900398][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.900545][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.900667][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.900783][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.916215][   T12] ------------[ cut here ]------------
| [   12.916400][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   12.916701][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.917289][   T12] Tainted: [W]=WARN
[   12.917438][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.917644][   T12] Workqueue: netns cleanup_net
[   12.917825][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.918049][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.918547][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   12.918761][   T12] RAX: 00000000ffffffa6 RBX: ff11000010599000 RCX: 1ff4000000018eaf
[   12.918995][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105990bc
[   12.919240][   T12] RBP: ff1100000fa04000 R08: 1fe22000020b3219 R09: ff11000001aed1d0
[   12.919482][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   12.919725][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007ee1000
[   12.919974][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   12.920257][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.920467][   T12] CR2: 000055f05d560d5c CR3: 0000000004c24005 CR4: 0000000000771ef0
[   12.920706][   T12] PKRU: 55555554
[   12.920847][   T12] Call Trace:
[   12.920987][   T12]  <TASK>
[   12.921114][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.921287][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.921473][   T12]  netif_close_many (net/core/dev.c:1804)
[   12.921650][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.921855][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.922040][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.922211][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   12.922395][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.922601][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   12.922814][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.922990][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.923202][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.923418][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.923592][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.923804][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.923979][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.924170][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.924382][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.924560][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   12.924743][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.924917][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.925101][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.925278][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.925462][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.925633][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.925812][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.925987][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.926173][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.926356][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.926530][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.926719][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.926900][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.927084][   T12]  kthread (kernel/kthread.c:436)
[   12.927228][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.927438][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.927611][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.927788][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.927988][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.928173][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.928351][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.932574][   T12] ------------[ cut here ]------------
| [   12.932750][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   12.933064][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.933610][   T12] Tainted: [W]=WARN
[   12.933758][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.933970][   T12] Workqueue: netns cleanup_net
[   12.934162][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.934392][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.934894][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   12.935108][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c240740 RCX: 1ff4000000018eaf
[   12.935349][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2407fc
[   12.935584][   T12] RBP: ff11000007ee1000 R08: 1fe2200001848101 R09: ff11000001aed1d0
[   12.935822][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   12.936071][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009259000
[   12.936310][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   12.936598][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.936809][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   12.937120][   T12] PKRU: 55555554
[   12.937336][   T12] Call Trace:
[   12.937528][   T12]  <TASK>
[   12.937700][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.937924][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.938184][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.938388][   T12]  netif_close_many (net/core/dev.c:1804)
[   12.938616][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.938855][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.939089][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.939321][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   12.939546][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.939806][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   12.940077][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.940305][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.940569][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.940812][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.941064][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.941356][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.941584][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.941815][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.942084][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.942310][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   12.942545][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.942776][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.942998][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.943236][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.943468][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.943697][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.943927][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.944160][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.944392][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.944685][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.944959][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.945245][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.945536][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.945861][   T12]  kthread (kernel/kthread.c:436)
[   12.946183][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.946393][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.946570][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.946754][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.946958][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.947157][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.947339][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.951667][   T12] ------------[ cut here ]------------
| [   12.951833][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   12.952211][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.952760][   T12] Tainted: [W]=WARN
[   12.952927][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.953145][   T12] Workqueue: netns cleanup_net
[   12.953334][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.953555][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.954150][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   12.954414][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cbc3000 RCX: 1ff4000000018eaf
[   12.954700][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbc30bc
[   12.954981][   T12] RBP: ff11000009259000 R08: 1fe2200001978619 R09: ff11000001aed1d0
[   12.955279][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   12.955566][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   12.955856][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   12.956195][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.956460][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   12.956748][   T12] PKRU: 55555554
[   12.956939][   T12] Call Trace:
[   12.957142][   T12]  <TASK>
[   12.957303][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.957537][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.957769][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.957962][   T12]  netif_close_many (net/core/dev.c:1804)
[   12.958201][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.958432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.958660][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.958882][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   12.959121][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.959384][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   12.959665][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.959889][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.960152][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.960379][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.960627][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.960888][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.961128][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.961363][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.961604][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.961858][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   12.962092][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.962325][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.962547][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.962780][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.963000][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.963235][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.963497][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.963794][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.964107][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.964368][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.964550][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.964736][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.964914][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.965102][   T12]  kthread (kernel/kthread.c:436)
[   12.965243][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.965453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.965639][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.965818][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.966087][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.966263][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.966447][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.969402][   T12] ------------[ cut here ]------------
| [   12.969567][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   12.969871][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.970549][   T12] Tainted: [W]=WARN
[   12.970727][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.970926][   T12] Workqueue: netns cleanup_net
[   12.971121][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.971332][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.971811][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.972012][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d945700 RCX: 1ff4000000018ed5
[   12.972254][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9457bc
[   12.972485][   T12] RBP: ff1100000fa04000 R08: 1fe2200001b28af9 R09: ff11000001aed1d0
[   12.972717][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.972944][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.973189][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   12.973466][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.973666][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   12.973892][   T12] PKRU: 55555554
[   12.974042][   T12] Call Trace:
[   12.974184][   T12]  <TASK>
[   12.974294][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.974505][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.974710][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.974879][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.975059][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.975260][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.975443][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.975613][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.975787][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   12.975959][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.976142][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.976309][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.976520][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.976701][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.976869][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.977052][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.977222][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.977432][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.977606][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.977778][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.977955][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.978144][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.978325][   T12]  kthread (kernel/kthread.c:436)
[   12.978479][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.978687][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.978857][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.979045][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.979246][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.979423][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.979594][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.983906][   T12] ------------[ cut here ]------------
| [   12.984096][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   12.984400][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   12.984977][   T12] Tainted: [W]=WARN
[   12.985268][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.985545][   T12] Workqueue: netns cleanup_net
[   12.985804][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.986095][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.986675][   T12] RSP: 0018:ffa00000000c7650 EFLAGS: 00010286
[   12.986940][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b5b5700 RCX: 1ff4000000018e90
[   12.987248][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5b57bc
[   12.987551][   T12] RBP: ff1100000f222000 R08: 1fe22000016b6af9 R09: ff11000001aed1d0
[   12.987852][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.988168][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   12.988471][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   12.988806][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.989079][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   12.989379][   T12] PKRU: 55555554
[   12.989577][   T12] Call Trace:
[   12.989779][   T12]  <TASK>
[   12.989945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.990200][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.990445][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   12.990690][   T12]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   12.990921][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[   12.991246][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.991492][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   12.991722][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   12.992053][   T12]  br_del_if (net/bridge/br_if.c:735)
[   12.992275][   T12]  br_device_event (net/bridge/br.c:127)
[   12.992516][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[   12.992756][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   12.992991][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   12.993267][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.993538][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.993775][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.994006][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.994287][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.994528][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.994831][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.995224][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   12.995491][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.995751][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   12.995930][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.996128][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.996308][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.996495][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.996726][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.996921][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.997149][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.997428][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.997610][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.997880][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.998161][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.998360][   T12]  kthread (kernel/kthread.c:436)
[   12.998511][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.998814][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.998995][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.999192][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.999412][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.999592][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.999779][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.002009][   T12] ------------[ cut here ]------------
| [   13.002210][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.002515][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.003735][   T12] Tainted: [W]=WARN
[   13.003943][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.004241][   T12] Workqueue: netns cleanup_net
[   13.004486][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.004769][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.005352][   T12] RSP: 0018:ffa00000000c75c8 EFLAGS: 00010286
[   13.005619][   T12] RAX: 00000000ffffffa6 RBX: ff1100000da1d000 RCX: 1ff4000000018e7f
[   13.005928][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da1d0bc
[   13.006233][   T12] RBP: ff1100000f222000 R08: 1fe2200001b43a19 R09: ff11000001aed1d0
[   13.006544][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.006841][   T12] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   13.007149][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.007481][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.007756][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.008066][   T12] PKRU: 55555554
[   13.008262][   T12] Call Trace:
[   13.008468][   T12]  <TASK>
[   13.008638][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.008872][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.009118][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   13.009364][   T12]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   13.009655][   T12]  ? netdev_change_features (net/core/dev.c:11117)
[   13.009954][   T12]  ? __dev_open (./include/net/netdev_lock.h:33)
[   13.010259][   T12]  br_del_if (net/bridge/br_if.c:737)
[   13.010524][   T12]  br_device_event (net/bridge/br.c:127)
[   13.010818][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[   13.011118][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   13.011412][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   13.011739][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.012073][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.012349][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.012636][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.012924][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.013164][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.013439][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.013747][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.014050][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.014346][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.014617][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.014826][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.015007][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.015198][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.015392][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.015570][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.015761][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.015946][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.016140][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.016332][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.016517][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.016704][   T12]  kthread (kernel/kthread.c:436)
[   13.016855][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.017079][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.017261][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.017451][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.017665][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.017846][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.018093][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.020114][   T12] ------------[ cut here ]------------
| [   13.020272][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.020563][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.021553][   T12] Tainted: [W]=WARN
[   13.021747][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.021991][   T12] Workqueue: netns cleanup_net
[   13.022233][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.022497][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.023041][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.023286][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be58200 RCX: 1ff4000000018ed5
[   13.023568][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be582bc
[   13.023850][   T12] RBP: ff11000007ee1000 R08: 1fe22000017cb059 R09: ff11000001aed1d0
[   13.024137][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.024416][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.024701][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.025006][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.025272][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.025556][   T12] PKRU: 55555554
[   13.025748][   T12] Call Trace:
[   13.025931][   T12]  <TASK>
[   13.026103][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.026360][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.026604][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.026826][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.027059][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.027308][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.027535][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.027763][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.027980][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.028211][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.028392][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.028563][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.028745][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.028915][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.029098][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.029273][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.029449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.029621][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.029800][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.029970][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.030160][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.030343][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.030517][   T12]  kthread (kernel/kthread.c:436)
[   13.030660][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.030859][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.031042][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.031211][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.031420][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.031590][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.031771][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.054707][   T12] ------------[ cut here ]------------
| [   13.054881][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.055178][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.055714][   T12] Tainted: [W]=WARN
[   13.055853][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.056063][   T12] Workqueue: netns cleanup_net
[   13.056238][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.056447][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.056929][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.057147][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be58e40 RCX: 1ff4000000018ed5
[   13.057387][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be58efc
[   13.057614][   T12] RBP: ff11000009259000 R08: 1fe22000017cb1e1 R09: ff11000001aed1d0
[   13.057845][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.058087][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.058329][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.058589][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.058797][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.059039][   T12] PKRU: 55555554
[   13.059177][   T12] Call Trace:
[   13.059325][   T12]  <TASK>
[   13.059441][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.059650][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.059851][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.060037][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.060205][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.060417][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.060589][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.060772][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.060943][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.061129][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.061303][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.061481][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.061659][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.061831][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.061999][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.062193][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.062373][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.062552][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.062736][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.062905][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.063093][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.063269][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.063457][   T12]  kthread (kernel/kthread.c:436)
[   13.063600][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.063807][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.063978][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.064162][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.064365][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.064537][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.064719][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.107159][   T12] ------------[ cut here ]------------
| [   13.107339][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.107646][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.108570][   T12] Tainted: [W]=WARN
[   13.108722][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.108935][   T12] Workqueue: netns cleanup_net
[   13.109135][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.109366][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.109887][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   13.110111][   T12] RAX: 00000000ffffffa6 RBX: ff110000056fd1c0 RCX: 1ff4000000018ebc
[   13.110365][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056fd27c
[   13.110611][   T12] RBP: ff1100000a8f2000 R08: 1fe2200000adfa51 R09: ff11000001aed1d0
[   13.110857][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[   13.111110][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.111364][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.111646][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.111862][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.112120][   T12] PKRU: 55555554
[   13.112266][   T12] Call Trace:
[   13.112423][   T12]  <TASK>
[   13.112541][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.112734][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.112887][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   13.113078][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   13.113264][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   13.113459][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   13.113646][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.113831][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   13.114014][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.114209][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   13.114398][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.114581][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   13.114773][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   13.114955][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.115151][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   13.115305][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.115501][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.115696][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   13.115881][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   13.116079][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   13.116263][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.116454][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.116646][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.116834][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.117015][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.117214][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.117399][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.117584][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.117778][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.117959][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.118161][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.118357][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.118538][   T12]  kthread (kernel/kthread.c:436)
[   13.118694][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.118911][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.119108][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.119293][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.119520][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.119711][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.119895][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.122539][   T12] ------------[ cut here ]------------
| [   13.122719][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.123077][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.123733][   T12] Tainted: [W]=WARN
[   13.123879][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.124102][   T12] Workqueue: netns cleanup_net
[   13.124283][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.124520][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.125043][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   13.125253][   T12] RAX: 00000000ffffffa6 RBX: ff110000056fdc40 RCX: 1ff4000000018ec0
[   13.125501][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056fdcfc
[   13.125752][   T12] RBP: ff1100000a8f2000 R08: 1fe2200000adfba1 R09: ff11000001aed1d0
[   13.125990][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.126241][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   13.126491][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.126776][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.126985][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.127240][   T12] PKRU: 55555554
[   13.127393][   T12] Call Trace:
[   13.127555][   T12]  <TASK>
[   13.127673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.127852][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.128049][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   13.128231][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   13.128421][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   13.128634][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   13.128817][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.128995][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   13.129187][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   13.129440][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   13.129621][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.129805][   T12]  del_nbp (net/bridge/br_if.c:363)
[   13.129950][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.130143][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   13.130329][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   13.130508][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   13.130699][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.130875][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.131069][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.131248][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.131428][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.131609][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.131792][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.131973][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.132176][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.132364][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.132549][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.132740][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.132917][   T12]  kthread (kernel/kthread.c:436)
[   13.133078][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.133287][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.133476][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.133659][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.133869][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.134061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.134239][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.137677][   T12] ------------[ cut here ]------------
| [   13.137863][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.138284][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.138854][   T12] Tainted: [W]=WARN
[   13.138996][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.139210][   T12] Workqueue: netns cleanup_net
[   13.139397][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.139616][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.140271][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[   13.140479][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f00c580 RCX: 1ff4000000018ec7
[   13.140718][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f00c63c
[   13.140950][   T12] RBP: ff1100000f222000 R08: 1fe2200001e018c9 R09: ff11000001aed1d0
[   13.141194][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.141432][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[   13.141664][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.141930][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.142149][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.142390][   T12] PKRU: 55555554
[   13.142532][   T12] Call Trace:
[   13.142679][   T12]  <TASK>
[   13.142792][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.142967][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.143126][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.143304][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.143491][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.143704][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.143908][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.144100][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.144304][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.144489][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.144668][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.144843][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.145016][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.145207][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.145391][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.145562][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.145747][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.145925][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.146106][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.146281][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.146458][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.146634][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.146818][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.146992][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.147184][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.147371][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.147544][   T12]  kthread (kernel/kthread.c:436)
[   13.147694][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.147895][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.148078][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.148252][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.148461][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.148639][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.148817][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.151730][   T12] ------------[ cut here ]------------
| [   13.151894][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.152244][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.152866][   T12] Tainted: [W]=WARN
[   13.153088][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.153341][   T12] Workqueue: netns cleanup_net
[   13.153570][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.153830][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.154371][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.154615][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f00da80 RCX: 1ff4000000018eed
[   13.154888][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f00db3c
[   13.155171][   T12] RBP: ff1100000e491000 R08: 1fe2200001e01b69 R09: ff11000001aed1d0
[   13.155448][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.155723][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.155994][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.156306][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.156559][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.156842][   T12] PKRU: 55555554
[   13.157087][   T12] Call Trace:
[   13.157269][   T12]  <TASK>
[   13.157434][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.157692][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.157933][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.158164][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.158396][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.158610][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.158835][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.159067][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.159277][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.159503][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.159720][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.159946][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.160209][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.160433][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.160654][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.160873][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.161099][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.161330][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.161549][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.161770][   T12]  kthread (kernel/kthread.c:436)
[   13.161958][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.162220][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.162440][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.162662][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.162905][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.163137][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.163359][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.167116][   T12] ------------[ cut here ]------------
| [   13.167248][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.167487][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.167909][   T12] Tainted: [W]=WARN
[   13.168003][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.168156][   T12] Workqueue: netns cleanup_net
[   13.168293][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.168453][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.168875][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.169036][   T12] RAX: 00000000ffffffa6 RBX: ff1100000beee200 RCX: 1ff4000000018eed
[   13.169212][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beee2bc
[   13.169392][   T12] RBP: ff1100000ea74000 R08: 1fe22000017ddc59 R09: ff11000001aed1d0
[   13.169578][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.169753][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.169927][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.170137][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.170288][   T12] CR2: 000055e718d992b8 CR3: 000000000a236003 CR4: 0000000000771ef0
[   13.170491][   T12] PKRU: 55555554
[   13.170578][   T12] Call Trace:
[   13.170668][   T12]  <TASK>
[   13.170730][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.170878][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.171033][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.171150][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.171273][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.171403][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.171521][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.171649][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.171765][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.171888][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.172009][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.172136][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.172254][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.172376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.172495][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.172618][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.172736][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.172857][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.172981][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.173104][   T12]  kthread (kernel/kthread.c:436)
[   13.173192][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.173347][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.173464][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.173582][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.173730][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.173845][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.173961][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.176157][   T12] ------------[ cut here ]------------
| [   13.176276][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.176509][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.176925][   T12] Tainted: [W]=WARN
[   13.177012][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.177165][   T12] Workqueue: netns cleanup_net
[   13.177291][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.177447][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.177891][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.178039][   T12] RAX: 00000000ffffffa6 RBX: ff1100000beee900 RCX: 1ff4000000018eed
[   13.178212][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beee9bc
[   13.178392][   T12] RBP: ff11000002901000 R08: 1fe22000017ddd39 R09: ff11000001aed1d0
[   13.178568][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.178744][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.178922][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.179130][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.179278][   T12] CR2: 000055e718d992b8 CR3: 000000000a236003 CR4: 0000000000771ef0
[   13.179461][   T12] PKRU: 55555554
[   13.179549][   T12] Call Trace:
[   13.179637][   T12]  <TASK>
[   13.179701][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.179850][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.179995][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.180120][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.180238][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.180366][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.180486][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.180606][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.180730][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.180855][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.180973][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.181096][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.181214][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.181340][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.181460][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.181584][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.181704][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.181825][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.181948][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.182074][   T12]  kthread (kernel/kthread.c:436)
[   13.182162][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.182307][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.182430][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.182547][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.182703][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.182820][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.182938][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.184913][   T12] ------------[ cut here ]------------
| [   13.185035][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.185268][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.185690][   T12] Tainted: [W]=WARN
[   13.185777][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.185923][   T12] Workqueue: netns cleanup_net
[   13.186049][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.186200][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.186617][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.186766][   T12] RAX: 00000000ffffffa6 RBX: ff1100000beeec80 RCX: 1ff4000000018eed
[   13.186940][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beeed3c
[   13.187119][   T12] RBP: ff11000005911000 R08: 1fe22000017ddda9 R09: ff11000001aed1d0
[   13.187292][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.187475][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.187651][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.187858][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.188004][   T12] CR2: 000055e718d992b8 CR3: 000000000a236003 CR4: 0000000000771ef0
[   13.188181][   T12] PKRU: 55555554
[   13.188269][   T12] Call Trace:
[   13.188360][   T12]  <TASK>
[   13.188420][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.188569][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.188716][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.188832][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.188948][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.189074][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.189194][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.189312][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.189434][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.189553][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.189677][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.189795][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.189926][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.190048][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.190166][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.190291][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.190412][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.190532][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.190653][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.190770][   T12]  kthread (kernel/kthread.c:436)
[   13.190857][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.191001][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.191121][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.191242][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.191391][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.191507][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.191624][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.193601][   T12] ------------[ cut here ]------------
| [   13.193719][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.193944][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.195255][   T12] Tainted: [W]=WARN
[   13.195348][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.195492][   T12] Workqueue: netns cleanup_net
[   13.195613][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.195768][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.196232][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.196384][   T12] RAX: 00000000ffffffa6 RBX: ff1100000beef1c0 RCX: 1ff4000000018eed
[   13.196558][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beef27c
[   13.196734][   T12] RBP: ff1100000eaa1000 R08: 1fe22000017dde51 R09: ff11000001aed1d0
[   13.196905][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.197125][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.197301][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.197509][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.197658][   T12] CR2: 000055e718d992b8 CR3: 000000000a236003 CR4: 0000000000771ef0
[   13.197832][   T12] PKRU: 55555554
[   13.197919][   T12] Call Trace:
[   13.198005][   T12]  <TASK>
[   13.198115][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.198263][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.198411][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.198528][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.198649][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.198764][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.198887][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.199005][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.199164][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.199284][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.199412][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.199528][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.199648][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.199763][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.199882][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.200005][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.200173][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.200323][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.200445][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.200560][   T12]  kthread (kernel/kthread.c:436)
[   13.200649][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.200794][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.200910][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.201074][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.201222][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.201342][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.201456][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.205009][   T12] ------------[ cut here ]------------
| [   13.205150][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.205383][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.205825][   T12] Tainted: [W]=WARN
[   13.205915][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.206070][   T12] Workqueue: netns cleanup_net
[   13.206195][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.206355][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.206780][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.206929][   T12] RAX: 00000000ffffffa6 RBX: ff1100000beef8c0 RCX: 1ff4000000018eed
[   13.207119][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beef97c
[   13.207295][   T12] RBP: ff1100000e629000 R08: 1fe22000017ddf31 R09: ff11000001aed1d0
[   13.207479][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.207664][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.207839][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   13.208053][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.208202][   T12] CR2: 00007f26b897ef98 CR3: 000000000912b005 CR4: 0000000000771ef0
[   13.208383][   T12] PKRU: 55555554
[   13.208471][   T12] Call Trace:
[   13.208558][   T12]  <TASK>
[   13.208620][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.208774][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.208922][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.209048][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.209168][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.209286][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.209413][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.209533][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.209650][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.209770][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.209888][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.210006][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.210133][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.210252][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.210377][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.210501][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.210621][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.210746][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.210868][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.210988][   T12]  kthread (kernel/kthread.c:436)
[   13.211084][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.211230][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.211353][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.211470][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.211618][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.211742][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.211865][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.214054][   T12] ------------[ cut here ]------------
| [   13.214170][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.214405][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.214821][   T12] Tainted: [W]=WARN
[   13.214910][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.215067][   T12] Workqueue: netns cleanup_net
[   13.215190][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.215353][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.215775][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.215931][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c03c040 RCX: 1ff4000000018eed
[   13.216112][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c03c0fc
[   13.216286][   T12] RBP: ff1100000e61c000 R08: 1fe2200001807821 R09: ff11000001aed1d0
[   13.216470][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.216649][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.216830][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   13.217038][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.217187][   T12] CR2: 00007f26b897ef98 CR3: 000000000912b005 CR4: 0000000000771ef0
[   13.217368][   T12] PKRU: 55555554
[   13.217458][   T12] Call Trace:
[   13.217546][   T12]  <TASK>
[   13.217607][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.217762][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.217907][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.218029][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.218148][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.218265][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.218391][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.218510][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.218626][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.218749][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.218870][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.218986][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.219112][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.219229][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.219355][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.219477][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.219595][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.219723][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.219845][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.219963][   T12]  kthread (kernel/kthread.c:436)
[   13.220058][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.220209][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.220332][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.220450][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.220597][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.220718][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.220836][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.229475][   T12] ------------[ cut here ]------------
| [   13.229600][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.229840][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.230266][   T12] Tainted: [W]=WARN
[   13.230364][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.230511][   T12] Workqueue: netns cleanup_net
[   13.230634][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.230790][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.231214][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.231368][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c03c740 RCX: 1ff4000000018eed
[   13.231545][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c03c7fc
[   13.231722][   T12] RBP: ff1100000e539000 R08: 1fe2200001807901 R09: ff11000001aed1d0
[   13.231905][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.232089][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.232265][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   13.232474][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.232622][   T12] CR2: 00007f26b897ef98 CR3: 000000000912b005 CR4: 0000000000771ef0
[   13.232798][   T12] PKRU: 55555554
[   13.232886][   T12] Call Trace:
[   13.232978][   T12]  <TASK>
[   13.233044][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.233194][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.233344][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.233463][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.233581][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.233721][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.233843][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.233964][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.234086][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.234208][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.234330][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.234446][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.234564][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.234682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.234800][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.234922][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.235047][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.235168][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.235290][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.235412][   T12]  kthread (kernel/kthread.c:436)
[   13.235502][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.235650][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.235773][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.235892][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.236043][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.236164][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.236282][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.238359][   T12] ------------[ cut here ]------------
| [   13.238476][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.238711][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.239136][   T12] Tainted: [W]=WARN
[   13.239224][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.239378][   T12] Workqueue: netns cleanup_net
[   13.239500][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.239653][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.240075][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.240223][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c03cac0 RCX: 1ff4000000018eed
[   13.240404][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c03cb7c
[   13.240579][   T12] RBP: ff1100000e589000 R08: 1fe2200001807971 R09: ff11000001aed1d0
[   13.240756][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.240929][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.241117][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   13.241328][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.241475][   T12] CR2: 00007f26b897ef98 CR3: 000000000912b005 CR4: 0000000000771ef0
[   13.241660][   T12] PKRU: 55555554
[   13.241749][   T12] Call Trace:
[   13.241837][   T12]  <TASK>
[   13.241897][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.242052][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.242199][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.242321][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.242440][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.242560][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.242683][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.242801][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.242922][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.243051][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.243170][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.243289][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.243413][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.243530][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.243651][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.243772][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.243893][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.244015][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.244144][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.244261][   T12]  kthread (kernel/kthread.c:436)
[   13.244353][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.244499][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.244621][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.244742][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.244888][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.245009][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.245133][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.247114][   T12] ------------[ cut here ]------------
| [   13.247227][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.247459][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.247874][   T12] Tainted: [W]=WARN
[   13.247961][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.248111][   T12] Workqueue: netns cleanup_net
[   13.248232][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.248390][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.248808][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.248958][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c03ce40 RCX: 1ff4000000018eed
[   13.249137][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c03cefc
[   13.249310][   T12] RBP: ff1100001041c000 R08: 1fe22000018079e1 R09: ff11000001aed1d0
[   13.249491][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.249667][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.249842][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   13.250053][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.250202][   T12] CR2: 00007f26b897ef98 CR3: 000000000912b005 CR4: 0000000000771ef0
[   13.250380][   T12] PKRU: 55555554
[   13.250468][   T12] Call Trace:
[   13.250555][   T12]  <TASK>
[   13.250616][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.250767][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.250914][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.251039][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.251158][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.251278][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.251401][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.251519][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.251634][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.251762][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.251883][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.251998][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.252120][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.252235][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.252360][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.252480][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.252597][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.252721][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.252843][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.252958][   T12]  kthread (kernel/kthread.c:436)
[   13.253112][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.253261][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.253383][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.253501][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.253649][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.253766][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.253882][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.256152][   T12] ------------[ cut here ]------------
| [   13.256266][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.256497][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.256916][   T12] Tainted: [W]=WARN
[   13.257004][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.257254][   T12] Workqueue: netns cleanup_net
[   13.257383][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.257533][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.257952][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.258198][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c03d700 RCX: 1ff4000000018eed
[   13.258380][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c03d7bc
[   13.258553][   T12] RBP: ff1100000f222000 R08: 1fe2200001807af9 R09: ff11000001aed1d0
[   13.258733][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.258906][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.259185][   T12] FS:  0000000000000000(0000) GS:ff110000b46c7000(0000) knlGS:0000000000000000
[   13.259394][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.259549][   T12] CR2: 00007f26b897ef98 CR3: 000000000912b005 CR4: 0000000000771ef0
[   13.259728][   T12] PKRU: 55555554
[   13.259815][   T12] Call Trace:
[   13.259902][   T12]  <TASK>
[   13.259962][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.260202][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.260357][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.260479][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.260599][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.260720][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.260839][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.260958][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.261168][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.261292][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.261418][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.261538][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.261664][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.261783][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.261902][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.262109][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.262226][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.262355][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.262480][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.262597][   T12]  kthread (kernel/kthread.c:436)
[   13.262689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.262836][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.262954][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.263160][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.263305][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.263432][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.263551][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.283865][   T12] ------------[ cut here ]------------
| [   13.284062][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.284367][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.284997][   T12] Tainted: [W]=WARN
[   13.285166][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.285384][   T12] Workqueue: netns cleanup_net
[   13.285570][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.285792][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.286302][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   13.286522][   T12] RAX: 00000000ffffffa6 RBX: ff1100001225e200 RCX: 1ff4000000018ebc
[   13.286779][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001225e2bc
[   13.287018][   T12] RBP: ff110000053c4000 R08: 1fe220000244bc59 R09: ff11000001aed1d0
[   13.287276][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.287524][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   13.287775][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.288063][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.288270][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.288520][   T12] PKRU: 55555554
[   13.288666][   T12] Call Trace:
[   13.288811][   T12]  <TASK>
[   13.288927][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.289120][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.289300][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   13.289490][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   13.289670][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   13.289848][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   13.290070][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.290248][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.290441][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.290623][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.290839][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   13.291020][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   13.291368][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.291604][   T12] amt_dellink (drivers/net/amt.c:3293) amt
[   13.291848][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   13.292094][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.292333][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.292563][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.292803][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.292983][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.293174][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.293367][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.293547][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.293732][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.293914][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.294128][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.294309][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.294502][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.294687][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.294874][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.295071][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.295248][   T12]  kthread (kernel/kthread.c:436)
[   13.295405][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.295619][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.295804][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.295985][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.296210][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.296398][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.296580][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.298928][   T12] ------------[ cut here ]------------
| [   13.299117][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.299416][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.299978][   T12] Tainted: [W]=WARN
[   13.300139][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.300351][   T12] Workqueue: netns cleanup_net
[   13.300532][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.300752][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.301258][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.301472][   T12] RAX: 00000000ffffffa6 RBX: ff1100001225e740 RCX: 1ff4000000018eaf
[   13.301717][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001225e7fc
[   13.301953][   T12] RBP: ff1100000fb94000 R08: 1fe220000244bd01 R09: ff11000001aed1d0
[   13.302204][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.302449][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c09000
[   13.302693][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.302969][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.303190][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.303466][   T12] PKRU: 55555554
[   13.303611][   T12] Call Trace:
[   13.303759][   T12]  <TASK>
[   13.303873][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.304063][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.304210][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.304396][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.304578][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.304764][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.304967][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9034)
[   13.305187][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.305399][   T12]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   13.305577][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.305760][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.305966][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.306155][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.306336][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.306545][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.306730][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.306907][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.307098][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.307277][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.307725][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.307904][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.308092][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.308272][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.308491][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.308674][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.308853][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.309045][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.309221][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.309410][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.309587][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.309777][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.309957][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.310140][   T12]  kthread (kernel/kthread.c:436)
[   13.310287][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.310501][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.310685][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.310862][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.311079][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.311255][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.311443][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.314273][   T12] ------------[ cut here ]------------
| [   13.314450][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.314760][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.315861][   T12] Tainted: [W]=WARN
[   13.316073][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.316339][   T12] Workqueue: netns cleanup_net
[   13.316571][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.316845][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.317403][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.317682][   T12] RAX: 00000000ffffffa6 RBX: ff11000004fa5a80 RCX: 1ff4000000018eaf
[   13.317979][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa5b3c
[   13.318287][   T12] RBP: ff11000008c09000 R08: 1fe22000009f4b69 R09: ff11000001aed1d0
[   13.318571][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.318863][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e4a1000
[   13.319162][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.319488][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.319749][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.320046][   T12] PKRU: 55555554
[   13.320269][   T12] Call Trace:
[   13.320469][   T12]  <TASK>
[   13.320637][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.320870][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.321108][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.321302][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.321537][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.321770][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.321994][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.322260][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9034)
[   13.322529][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.322794][   T12]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   13.323019][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.323300][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.323563][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.323796][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.324018][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.324342][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.324568][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.324800][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.325088][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.325311][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.325545][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.325778][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.326002][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.326243][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.326479][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.326710][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.326935][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.327230][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.327525][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.327822][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.328112][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.328401][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.328690][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.328874][   T12]  kthread (kernel/kthread.c:436)
[   13.329016][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.329237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.329428][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.329606][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.329814][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.329990][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.330175][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.332952][   T12] ------------[ cut here ]------------
| [   13.333582][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.333933][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.334597][   T12] Tainted: [W]=WARN
[   13.334799][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.335065][   T12] Workqueue: netns cleanup_net
[   13.335296][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.335571][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.336132][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.336394][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c40ce40 RCX: 1ff4000000018eaf
[   13.336689][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c40cefc
[   13.336974][   T12] RBP: ff1100000e4a1000 R08: 1fe22000018819e1 R09: ff11000001aed1d0
[   13.337269][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.337561][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8f2000
[   13.337855][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.338180][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.338443][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.338731][   T12] PKRU: 55555554
[   13.338922][   T12] Call Trace:
[   13.339125][   T12]  <TASK>
[   13.339288][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.339520][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.339750][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.340018][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.340446][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.340641][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.340820][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.341035][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9034)
[   13.341237][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.341450][   T12]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   13.341628][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.341809][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.342009][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.342195][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.342374][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.342580][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.342761][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.342937][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.343126][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.343298][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.343479][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.343656][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.343829][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.344004][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.344195][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.344375][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.344552][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.344731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.344905][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.345097][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.345268][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.345461][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.345643][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.345818][   T12]  kthread (kernel/kthread.c:436)
[   13.345960][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.346176][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.346355][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.346531][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.346743][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.346916][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.347103][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.349172][   T12] ------------[ cut here ]------------
| [   13.349345][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.349633][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.350707][   T12] Tainted: [W]=WARN
[   13.350903][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.351174][   T12] Workqueue: netns cleanup_net
[   13.351408][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.351682][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.352234][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.352498][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c40d540 RCX: 1ff4000000018eaf
[   13.352786][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c40d5fc
[   13.353078][   T12] RBP: ff1100000a8f2000 R08: 1fe2200001881ac1 R09: ff11000001aed1d0
[   13.353363][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.353650][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000053c4000
[   13.353933][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.354261][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.354524][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.354815][   T12] PKRU: 55555554
[   13.355002][   T12] Call Trace:
[   13.355205][   T12]  <TASK>
[   13.355377][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.355605][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.355835][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.356042][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.356263][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.356500][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.356730][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.356978][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9034)
[   13.357242][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.357503][   T12]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   13.357729][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.357953][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.358215][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.358446][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.358697][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.358928][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.359111][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.359286][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.359470][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.359649][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.359826][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.360002][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.360186][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.360370][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.360545][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.360721][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.360899][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.361085][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.361258][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.361447][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.361622][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.361806][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.361984][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.362169][   T12]  kthread (kernel/kthread.c:436)
[   13.362314][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.362526][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.362711][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.362885][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.363101][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.363273][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.363459][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.365865][   T12] ------------[ cut here ]------------
| [   13.366054][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.366352][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.366895][   T12] Tainted: [W]=WARN
[   13.367308][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.367591][   T12] Workqueue: netns cleanup_net
[   13.367853][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.368128][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.368694][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.368949][   T12] RAX: 00000000ffffffa6 RBX: ff110000105ee3c0 RCX: 1ff4000000018eaf
[   13.369261][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105ee47c
[   13.369554][   T12] RBP: ff110000053c4000 R08: 1fe22000020bdc91 R09: ff11000001aed1d0
[   13.369843][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.370137][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0d9000
[   13.370447][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.370768][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.371019][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.371377][   T12] PKRU: 55555554
[   13.371569][   T12] Call Trace:
[   13.371773][   T12]  <TASK>
[   13.371968][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.372204][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.372437][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.372635][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.372879][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.373117][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.373350][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.373616][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9034)
[   13.373872][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.374140][   T12]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   13.374370][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.374595][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.374855][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.375093][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.375340][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.375594][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.375828][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.376066][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.376288][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.376517][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.376778][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.376974][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.377159][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.377343][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.377517][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.377694][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.377870][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.378055][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.378228][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.378428][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.378602][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.378789][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.378968][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.379154][   T12]  kthread (kernel/kthread.c:436)
[   13.379297][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.379510][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.379705][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.379880][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.380097][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.380269][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.380454][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.393230][   T12] ------------[ cut here ]------------
| [   13.393410][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.393710][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.394260][   T12] Tainted: [W]=WARN
[   13.394412][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.394617][   T12] Workqueue: netns cleanup_net
[   13.394802][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.395013][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.395529][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.395747][   T12] RAX: 00000000ffffffa6 RBX: ff110000105ef700 RCX: 1ff4000000018eaf
[   13.395981][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105ef7bc
[   13.396231][   T12] RBP: ff1100000f0d9000 R08: 1fe22000020bdef9 R09: ff11000001aed1d0
[   13.396473][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.396714][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e914000
[   13.396953][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.397231][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.397445][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.397687][   T12] PKRU: 55555554
[   13.397830][   T12] Call Trace:
[   13.397974][   T12]  <TASK>
[   13.398101][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.398277][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.398459][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.398604][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.398785][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.398958][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.399147][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.399360][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9034)
[   13.399568][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.399781][   T12]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   13.399957][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.400145][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.400354][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.400530][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.400716][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.400921][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.401111][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.401287][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.401470][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.401646][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.401825][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.402006][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.402194][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.402383][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.402563][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.402746][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.402922][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.403109][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.403288][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.403475][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.403652][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.403833][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.404012][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.404200][   T12]  kthread (kernel/kthread.c:436)
[   13.404350][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.404556][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.404743][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.404920][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.405138][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.405313][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.405496][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.407990][   T12] ------------[ cut here ]------------
| [   13.408169][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.408476][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.409038][   T12] Tainted: [W]=WARN
[   13.409180][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.409397][   T12] Workqueue: netns cleanup_net
[   13.409577][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.409796][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.410310][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.410531][   T12] RAX: 00000000ffffffa6 RBX: ff110000097c3700 RCX: 1ff4000000018eaf
[   13.410776][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c37bc
[   13.411015][   T12] RBP: ff1100000e914000 R08: 1fe22000012f86f9 R09: ff11000001aed1d0
[   13.411262][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.411506][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   13.411751][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.412037][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.412241][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.412485][   T12] PKRU: 55555554
[   13.412629][   T12] Call Trace:
[   13.412779][   T12]  <TASK>
[   13.412893][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.413080][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.413259][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.413418][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.413597][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.413782][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.413958][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.414173][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9034)
[   13.414390][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.414603][   T12]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   13.414784][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.414961][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.415180][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.415364][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.415542][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.415758][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.415940][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.416131][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.416305][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.416491][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.416668][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.416847][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.417036][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.417217][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.417400][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.417573][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.417755][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.417929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.418125][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.418305][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.418490][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.418677][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.418857][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.419047][   T12]  kthread (kernel/kthread.c:436)
[   13.419191][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.419405][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.419585][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.419769][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.419977][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.420165][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.420347][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.422975][   T12] ------------[ cut here ]------------
| [   13.423160][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.423455][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.423984][   T12] Tainted: [W]=WARN
[   13.424195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.424419][   T12] Workqueue: netns cleanup_net
[   13.424608][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.424820][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.425312][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.425522][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cea4ac0 RCX: 1ff4000000018ed5
[   13.425755][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cea4b7c
[   13.425982][   T12] RBP: ff1100000fb94000 R08: 1fe22000019d4971 R09: ff11000001aed1d0
[   13.426225][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.426460][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.426697][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.426955][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.427166][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.427409][   T12] PKRU: 55555554
[   13.427549][   T12] Call Trace:
[   13.427694][   T12]  <TASK>
[   13.427806][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.428011][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.428223][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.428403][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.428580][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.428791][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.428966][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.429151][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.429330][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.429502][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.429681][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.429849][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.430040][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.430210][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.430388][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.430560][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.430737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.430916][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.431106][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.431278][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.431462][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.431639][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.431815][   T12]  kthread (kernel/kthread.c:436)
[   13.431956][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.432165][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.432345][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.432523][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.432729][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.432900][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.433082][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.435956][   T12] ------------[ cut here ]------------
| [   13.436754][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.437106][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.437742][   T12] Tainted: [W]=WARN
[   13.437928][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.438185][   T12] Workqueue: netns cleanup_net
[   13.438417][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.438681][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.439217][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.439477][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d8003c0 RCX: 1ff4000000018ed5
[   13.439759][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d80047c
[   13.440049][   T12] RBP: ff11000008c09000 R08: 1fe2200001b00091 R09: ff11000001aed1d0
[   13.440336][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.440611][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.440893][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.441212][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.441472][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.441757][   T12] PKRU: 55555554
[   13.441943][   T12] Call Trace:
[   13.442142][   T12]  <TASK>
[   13.442300][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.442565][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.442818][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.443054][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.443272][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.443535][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.443824][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.444103][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.444400][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.444642][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.444866][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.445097][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.445314][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.445543][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.445763][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.445980][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.446209][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.446436][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.446666][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.446887][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.447119][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.447347][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.447564][   T12]  kthread (kernel/kthread.c:436)
[   13.447758][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.447999][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.448230][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.448461][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.448712][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.448928][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.449156][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.462941][   T12] ------------[ cut here ]------------
| [   13.463119][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.463409][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.463941][   T12] Tainted: [W]=WARN
[   13.464094][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.464291][   T12] Workqueue: netns cleanup_net
[   13.464472][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.464685][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.465172][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.465383][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d801540 RCX: 1ff4000000018ed5
[   13.465611][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8015fc
[   13.465841][   T12] RBP: ff1100000e4a1000 R08: 1fe2200001b002c1 R09: ff11000001aed1d0
[   13.466081][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.466306][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.466543][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.466806][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.467011][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.467253][   T12] PKRU: 55555554
[   13.467396][   T12] Call Trace:
[   13.467534][   T12]  <TASK>
[   13.467647][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.467851][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.468063][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.468235][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.468409][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.468613][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.468789][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.468960][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.469141][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.469311][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.469491][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.469659][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.469833][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.470003][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.470181][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.470357][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.470529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.470710][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.470887][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.471070][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.471244][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.471428][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.471598][   T12]  kthread (kernel/kthread.c:436)
[   13.471745][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.471942][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.472125][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.472294][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.472503][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.472676][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.472844][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.475524][   T12] ------------[ cut here ]------------
| [   13.475689][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   13.475971][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.476843][   T12] Tainted: [W]=WARN
[   13.476980][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.477202][   T12] Workqueue: netns cleanup_net
[   13.477383][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.477588][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.478076][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.478284][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d801c40 RCX: 1ff4000000018ed5
[   13.478513][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d801cfc
[   13.478745][   T12] RBP: ff1100000a8f2000 R08: 1fe2200001b003a1 R09: ff11000001aed1d0
[   13.478968][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.479205][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.479441][   T12] FS:  0000000000000000(0000) GS:ff110000b47c7000(0000) knlGS:0000000000000000
[   13.479702][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.479900][   T12] CR2: 000055f05d560d5c CR3: 0000000026d4d004 CR4: 0000000000771ef0
[   13.480135][   T12] PKRU: 55555554
[   13.480273][   T12] Call Trace:
[   13.480418][   T12]  <TASK>
[   13.480529][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.480744][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.480943][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.481124][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.481291][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.481504][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.481678][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.481848][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.482017][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.482206][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.482384][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.482554][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.482734][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.482904][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.483085][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.483256][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.483432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.483605][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.483785][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.483953][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.484139][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.484312][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.484488][   T12]  kthread (kernel/kthread.c:436)
[   13.484629][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.484838][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.485006][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.485188][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.485394][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.485564][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.485742][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.489144][   T12] ------------[ cut here ]------------
| [   13.489274][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.489521][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.489954][   T12] Tainted: [W]=WARN
[   13.490052][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.490201][   T12] Workqueue: netns cleanup_net
[   13.490327][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.490493][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.490915][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.491068][   T12] RAX: 00000000ffffffa6 RBX: ff11000009359e00 RCX: 1ff4000000018ed5
[   13.491246][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009359ebc
[   13.491434][   T12] RBP: ff110000053c4000 R08: 1fe220000126b3d9 R09: ff11000001aed1d0
[   13.491613][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.491794][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.491973][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.492186][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.492344][   T12] CR2: 000055e718d992b8 CR3: 000000000a236003 CR4: 0000000000771ef0
[   13.492523][   T12] PKRU: 55555554
[   13.492610][   T12] Call Trace:
[   13.492702][   T12]  <TASK>
[   13.492769][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.492922][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.493081][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.493199][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.493315][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.493472][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.493597][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.493725][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.493845][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.493966][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.494093][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.494211][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.494334][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.494454][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.494572][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.494700][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.494820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.494943][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.495069][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.495187][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.495310][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.495436][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.495553][   T12]  kthread (kernel/kthread.c:436)
[   13.495647][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.495796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.495915][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.496037][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.496185][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.496304][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.496430][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.504813][   T12] ------------[ cut here ]------------
| [   13.504950][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.505210][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.505681][   T12] Tainted: [W]=WARN
[   13.505779][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.505945][   T12] Workqueue: netns cleanup_net
[   13.506093][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.506258][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.506727][   T12] RSP: 0018:ffa00000000c7500 EFLAGS: 00010286
[   13.506891][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b63ba80 RCX: 1ff4000000018e66
[   13.507108][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b63bb3c
[   13.507298][   T12] RBP: ff11000009c6a000 R08: 1fe22000016c7769 R09: ff11000001aed1d0
[   13.507496][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   13.507696][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c7598
[   13.507889][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.508119][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.508280][   T12] CR2: 000055e718d992b8 CR3: 0000000026d4d001 CR4: 0000000000771ef0
[   13.508483][   T12] PKRU: 55555554
[   13.508581][   T12] Call Trace:
[   13.508681][   T12]  <TASK>
[   13.508750][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.508881][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.508981][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.509126][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.509255][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.509389][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.509552][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.509716][   T12]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   13.509845][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.510008][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   13.510290][   T12] amt_device_event (drivers/net/amt.c:3383) amt
[   13.510426][   T12]  ? amt_lookup_group (drivers/net/amt.c:125) amt
[   13.510561][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   13.510696][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   13.510859][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.511020][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.511253][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.511386][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.511552][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.511685][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.511815][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.511945][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.512196][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.512331][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.512563][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.512700][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.512829][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.512960][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.513200][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.513333][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.513464][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.513596][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.513727][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.513859][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.513995][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.514228][   T12]  kthread (kernel/kthread.c:436)
[   13.514330][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.514495][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.514625][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.514758][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.514918][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.515151][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.515280][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.526735][   T12] ------------[ cut here ]------------
| [   13.526868][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.527126][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.527586][   T12] Tainted: [W]=WARN
[   13.527683][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.527840][   T12] Workqueue: netns cleanup_net
[   13.527968][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.528135][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.528587][   T12] RSP: 0018:ffa00000000c7630 EFLAGS: 00010286
[   13.528750][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ab9f1c0 RCX: 1ff4000000018e8c
[   13.528937][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab9f27c
[   13.529127][   T12] RBP: ff11000009c6a000 R08: 1fe2200001573e51 R09: ff11000001aed1d0
[   13.529311][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.529505][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.529697][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.529918][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.530084][   T12] CR2: 000055e718d992b8 CR3: 0000000026d4d001 CR4: 0000000000771ef0
[   13.530274][   T12] PKRU: 55555554
[   13.530375][   T12] Call Trace:
[   13.530467][   T12]  <TASK>
[   13.530534][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.530694][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.530848][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   13.531004][   T12] amt_device_event (drivers/net/amt.c:3383) amt
[   13.531137][   T12]  ? amt_lookup_group (drivers/net/amt.c:125) amt
[   13.531264][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   13.531395][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   13.531558][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.531710][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.531837][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.531960][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.532124][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.532252][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.532383][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.532508][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.532641][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.532767][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.532890][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.533020][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.533151][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.533278][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.533411][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.533535][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.533664][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.533791][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.533915][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.534101][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.534229][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.534356][   T12]  kthread (kernel/kthread.c:436)
[   13.534451][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.534604][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.534731][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.534857][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.535010][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.535192][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.535324][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.537974][   T12] ------------[ cut here ]------------
| [   13.538094][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.538327][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.538749][   T12] Tainted: [W]=WARN
[   13.538837][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.538984][   T12] Workqueue: netns cleanup_net
[   13.539113][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.539267][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.539692][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.539840][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ab9e200 RCX: 1ff4000000018ed5
[   13.540016][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab9e2bc
[   13.540201][   T12] RBP: ff1100000f0d9000 R08: 1fe2200001573c59 R09: ff11000001aed1d0
[   13.540381][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.540557][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.540737][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.540943][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.541099][   T12] CR2: 000055e718d992b8 CR3: 0000000026d4d001 CR4: 0000000000771ef0
[   13.541275][   T12] PKRU: 55555554
[   13.541369][   T12] Call Trace:
[   13.541456][   T12]  <TASK>
[   13.541519][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.541673][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.541818][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.541937][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.542059][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.542209][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.542333][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.542452][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.542568][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.542688][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.542807][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.542925][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.543134][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.543257][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.543380][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.543501][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.543617][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.543740][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.543867][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.543985][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.544180][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.544301][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.544427][   T12]  kthread (kernel/kthread.c:436)
[   13.544516][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.544666][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.544784][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.544902][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.545099][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.545217][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.545343][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.548000][   T12] ------------[ cut here ]------------
| [   13.548122][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.548359][   T12] Modules linked in: xt_HL nft_compat nf_tables amt
| [   13.548780][   T12] Tainted: [W]=WARN
[   13.548868][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.549017][   T12] Workqueue: netns cleanup_net
[   13.549142][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.549295][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.549723][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.549875][   T12] RAX: 00000000ffffffa6 RBX: ff110000128343c0 RCX: 1ff4000000018ed5
[   13.550059][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001283447c
[   13.550236][   T12] RBP: ff1100000e914000 R08: 1fe2200002506891 R09: ff11000001aed1d0
[   13.550416][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.550593][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.550775][   T12] FS:  0000000000000000(0000) GS:ff110000b4847000(0000) knlGS:0000000000000000
[   13.550983][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.551137][   T12] CR2: 000055e718d992b8 CR3: 0000000026d4d001 CR4: 0000000000771ef0
[   13.551314][   T12] PKRU: 55555554
[   13.551410][   T12] Call Trace:
[   13.551500][   T12]  <TASK>
[   13.551561][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.551711][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.551856][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.551979][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.552103][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.552255][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.552383][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.552509][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.552629][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.552753][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.552872][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.552989][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.553177][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.553297][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.553423][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.553543][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.553664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.553785][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.553907][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.554108][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.554276][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.554411][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.554536][   T12]  kthread (kernel/kthread.c:436)
[   13.554626][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.554776][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.554899][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.555022][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.555215][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.555342][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_master_upper_dev_link
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netdev_compute_master_upper_features:br_add_if
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netdev_compute_master_upper_features:br_del_if
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_unlink:netdev_upper_dev_unlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:call_netdevice_notifiers:br_del_if
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_set_mtu_ext:netif_set_mtu
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_set_mtu_ext:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:call_netdevice_notifiers:br_add_if
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:amt_device_event:notifier_call_chain:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:amt_device_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:ops_undo_list
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:__dev_set_promiscuity:netif_set_promiscuity
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_upper_dev_link
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net