======================================
| xx__-> [    9.214310][  T199] ------------[ cut here ]------------
| [    9.214519][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.214754][  T199] Modules linked in:
| [    9.215191][  T199] Tainted: [W]=WARN
[    9.215292][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.215464][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.215670][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.216143][  T199] RSP: 0018:ffa00000008d7a80 EFLAGS: 00010286
[    9.216316][  T199] RAX: 00000000ffffffa6 RBX: ff1100000ce70040 RCX: 1ff400000011af16
[    9.216516][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce700fc
[    9.216710][  T199] RBP: ff1100001045c000 R08: 1fe22000019ce021 R09: ff1100000f2b8b80
[    9.216903][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.217099][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001045c000
[    9.217301][  T199] FS:  00007f82695b0840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[    9.217537][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.217701][  T199] CR2: 0000000000479648 CR3: 000000000ffbb005 CR4: 0000000000771ef0
[    9.217897][  T199] PKRU: 55555554
[    9.217996][  T199] Call Trace:
[    9.218094][  T199]  <TASK>
[    9.218167][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.218299][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.218436][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.218536][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.218667][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.218832][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.218963][  T199]  register_netdev (net/core/dev.c:11552)
[    9.219093][  T199]  loopback_net_init (drivers/net/loopback.c:218)
[    9.219229][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.219330][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.219435][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.219564][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.219695][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.219828][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.219960][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.220092][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.220228][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.220359][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.220494][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.220625][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.220758][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.220889][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.221019][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.221156][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.221286][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.221420][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.221551][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.221715][  T199] RIP: 0033:0x7f8269872bcb
[    9.221854][  T199] 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
[    9.222325][  T199] RSP: 002b:00007fff0ec99458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.222525][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8269872bcb
[    9.222721][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.222916][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.223112][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0ec9b680
[    9.223314][  T199] R13: 0000000000000001 R14: 00007f82695b06f8 R15: 00007fff0ec9d88a
| [    9.227749][  T199] ------------[ cut here ]------------
| [    9.227890][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.228125][  T199] Modules linked in:
| [    9.228539][  T199] Tainted: [W]=WARN
[    9.228639][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.228801][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.228970][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.229623][  T199] RSP: 0018:ffa00000008d7918 EFLAGS: 00010286
[    9.229787][  T199] RAX: 00000000ffffffa6 RBX: ff1100000da35a80 RCX: 1ff400000011aee9
[    9.229981][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da35b3c
[    9.230183][  T199] RBP: ff11000008591000 R08: 1fe2200001b46b69 R09: ff1100000f2b8b80
[    9.230380][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.230575][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008591000
[    9.230770][  T199] FS:  00007f82695b0840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[    9.231000][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.231167][  T199] CR2: 0000000000479648 CR3: 000000000ffbb005 CR4: 0000000000771ef0
[    9.231363][  T199] PKRU: 55555554
[    9.231466][  T199] Call Trace:
[    9.231562][  T199]  <TASK>
[    9.231629][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.231760][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.231891][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.231989][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.232126][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.232287][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.232423][  T199]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.232554][  T199]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.232685][  T199]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.232816][  T199]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.232945][  T199]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.233075][  T199]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.233213][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.233313][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.233415][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.233543][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.233675][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.233807][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.233939][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.234071][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.234207][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.234337][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.234471][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.234602][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.234732][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.234864][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.234993][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.235126][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.235255][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.235390][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.235521][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.235683][  T199] RIP: 0033:0x7f8269872bcb
[    9.235818][  T199] 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
[    9.236286][  T199] RSP: 002b:00007fff0ec99458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.236488][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8269872bcb
[    9.236681][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.236876][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.237070][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0ec9b680
[    9.237269][  T199] R13: 0000000000000001 R14: 00007f82695b06f8 R15: 00007fff0ec9d88a
| [    9.242259][  T199] ------------[ cut here ]------------
| [    9.242403][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.242632][  T199] Modules linked in:
| [    9.242999][  T199] Tainted: [W]=WARN
[    9.243098][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.243270][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.243447][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.243912][  T199] RSP: 0018:ffa00000008d78f8 EFLAGS: 00010286
[    9.244078][  T199] RAX: 00000000ffffffa6 RBX: ff1100000de07540 RCX: 1ff400000011aee5
[    9.244279][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de075fc
[    9.244480][  T199] RBP: ff11000010784000 R08: 1fe2200001bc0ec1 R09: ff1100000f2b8b80
[    9.244676][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.244871][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010784000
[    9.245069][  T199] FS:  00007f82695b0840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[    9.245304][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.245475][  T199] CR2: 0000000000479648 CR3: 000000000ffbb005 CR4: 0000000000771ef0
[    9.245672][  T199] PKRU: 55555554
[    9.245770][  T199] Call Trace:
[    9.245868][  T199]  <TASK>
[    9.245936][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.246069][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.246206][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.246306][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.246442][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.246605][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.246737][  T199]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.246869][  T199]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.247002][  T199]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.247137][  T199]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.247269][  T199]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.247407][  T199]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.247538][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.247671][  T199]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.247803][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.247903][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.248003][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.248136][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.248269][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.248406][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.248538][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.248672][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.248804][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.248937][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.249068][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.249259][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.249395][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.249529][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.249660][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.249791][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.249924][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.250055][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.250249][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.250417][  T199] RIP: 0033:0x7f8269872bcb
[    9.250556][  T199] 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
[    9.251032][  T199] RSP: 002b:00007fff0ec99458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.251288][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8269872bcb
[    9.251489][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.251684][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.251882][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0ec9b680
[    9.252077][  T199] R13: 0000000000000001 R14: 00007f82695b06f8 R15: 00007fff0ec9d88a
| [    9.257016][  T199] ------------[ cut here ]------------
| [    9.257170][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.257409][  T199] Modules linked in:
| [    9.257782][  T199] Tainted: [W]=WARN
[    9.257882][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.258047][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.258225][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.258697][  T199] RSP: 0018:ffa00000008d7a78 EFLAGS: 00010286
[    9.258863][  T199] RAX: 00000000ffffffa6 RBX: ff1100000b7191c0 RCX: 1ff400000011af15
[    9.259060][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b71927c
[    9.259260][  T199] RBP: ff1100000fe44000 R08: 1fe22000016e3251 R09: ff1100000f2b8b80
[    9.259457][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.259653][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe44000
[    9.259849][  T199] FS:  00007f82695b0840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[    9.260078][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.260246][  T199] CR2: 000055d19c51fd5c CR3: 000000000ffbb003 CR4: 0000000000771ef0
[    9.260446][  T199] PKRU: 55555554
[    9.260545][  T199] Call Trace:
[    9.260642][  T199]  <TASK>
[    9.260710][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.260840][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.260972][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.261071][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.261209][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.261375][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.261508][  T199]  register_netdev (net/core/dev.c:11552)
[    9.261639][  T199]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.261772][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.261871][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.261970][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.262099][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.262238][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.262373][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.262504][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.262638][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.262770][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.262899][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.263028][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.263164][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.263294][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.263431][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.263562][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.263691][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.263822][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.263953][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.264084][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.264252][  T199] RIP: 0033:0x7f8269872bcb
[    9.264394][  T199] 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
[    9.264854][  T199] RSP: 002b:00007fff0ec99458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.265051][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8269872bcb
[    9.265252][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.265450][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.265643][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0ec9b680
[    9.265836][  T199] R13: 0000000000000001 R14: 00007f82695b06f8 R15: 00007fff0ec9d88a
| [    9.270137][  T199] ------------[ cut here ]------------
| [    9.270272][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.270501][  T199] Modules linked in:
| [    9.270864][  T199] Tainted: [W]=WARN
[    9.271060][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.271230][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.271409][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.271873][  T199] RSP: 0018:ffa00000008d7a68 EFLAGS: 00010286
[    9.272037][  T199] RAX: 00000000ffffffa6 RBX: ff1100000b719380 RCX: 1ff400000011af13
[    9.272239][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b71943c
[    9.272439][  T199] RBP: ff1100000f379000 R08: 1fe22000016e3289 R09: ff1100000f2b8b80
[    9.272635][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.272830][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f379000
[    9.273025][  T199] FS:  00007f82695b0840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[    9.273260][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.273428][  T199] CR2: 000055d19c51fd5c CR3: 000000000ffbb003 CR4: 0000000000771ef0
[    9.273623][  T199] PKRU: 55555554
[    9.273722][  T199] Call Trace:
[    9.273820][  T199]  <TASK>
[    9.273888][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.274020][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.274156][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.274256][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.274396][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.274562][  T199]  register_netdev (net/core/dev.c:11552)
[    9.274693][  T199]  sit_init_net (net/ipv6/sit.c:1860)
[    9.274825][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.274926][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.275025][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.275162][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.275293][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.275430][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.275562][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.275694][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.275827][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.275957][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.276089][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.276223][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.276355][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.276491][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.276621][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.276750][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.276883][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.277016][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.277152][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.277313][  T199] RIP: 0033:0x7f8269872bcb
[    9.277456][  T199] 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
[    9.277921][  T199] RSP: 002b:00007fff0ec99458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.278120][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8269872bcb
[    9.278313][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.278510][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.278705][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0ec9b680
[    9.278897][  T199] R13: 0000000000000001 R14: 00007f82695b06f8 R15: 00007fff0ec9d88a
| [    9.283588][  T199] ------------[ cut here ]------------
| [    9.283811][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.284037][  T199] Modules linked in:
| [    9.284550][  T199] Tainted: [W]=WARN
[    9.284650][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.284812][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.285075][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.285640][  T199] RSP: 0018:ffa00000008d7a78 EFLAGS: 00010286
[    9.285808][  T199] RAX: 00000000ffffffa6 RBX: ff1100000f0e5c40 RCX: 1ff400000011af15
[    9.286002][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0e5cfc
[    9.286288][  T199] RBP: ff1100000f2fc000 R08: 1fe2200001e1cba1 R09: ff1100000f2b8b80
[    9.286487][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.286683][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2fc000
[    9.286965][  T199] FS:  00007f82695b0840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[    9.287197][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.287361][  T199] CR2: 000055d19c51fd5c CR3: 000000000ffbb003 CR4: 0000000000771ef0
[    9.287654][  T199] PKRU: 55555554
[    9.287754][  T199] Call Trace:
[    9.287852][  T199]  <TASK>
[    9.287920][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.288143][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.288275][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.288380][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.288512][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.288764][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.288897][  T199]  register_netdev (net/core/dev.c:11552)
[    9.289027][  T199]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.289164][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.289265][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.289454][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.289584][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.289716][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.289850][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.290068][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.290211][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.290342][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.290477][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.290692][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.290825][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.290956][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.291089][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.291226][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.291355][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.291490][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.291622][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.291839][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.292001][  T199] RIP: 0033:0x7f8269872bcb
[    9.292141][  T199] 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
[    9.292700][  T199] RSP: 002b:00007fff0ec99458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.292895][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8269872bcb
[    9.293184][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.293381][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.293688][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0ec9b680
[    9.293881][  T199] R13: 0000000000000001 R14: 00007f82695b06f8 R15: 00007fff0ec9d88a
| [    9.327476][  T200] ------------[ cut here ]------------
| [    9.327634][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.327869][  T200] Modules linked in:
| [    9.328272][  T200] Tainted: [W]=WARN
[    9.328378][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.328544][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.328715][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.329190][  T200] RSP: 0018:ffa0000000927020 EFLAGS: 00010286
[    9.329356][  T200] RAX: 00000000ffffffa6 RBX: ff1100000ce70900 RCX: 1ff4000000124dca
[    9.329558][  T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce709bc
[    9.329755][  T200] RBP: ff1100001045c000 R08: 1fe22000019ce139 R09: ff1100000f2bae58
[    9.329953][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.330154][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.330354][  T200] FS:  00007ff53385e840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[    9.330594][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.330759][  T200] CR2: 0000000024fa1988 CR3: 000000000d9ec002 CR4: 0000000000771ef0
[    9.330956][  T200] PKRU: 55555554
[    9.331054][  T200] Call Trace:
[    9.331157][  T200]  <TASK>
[    9.331226][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.331360][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.331468][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.331602][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.331736][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.331866][  T200]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.331998][  T200]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.332132][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.332264][  T200]  ? 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))
[    9.332405][  T200]  netif_change_flags (net/core/dev.c:9820)
[    9.332539][  T200]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.332670][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.332805][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.332938][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.333104][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.333677][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.333813][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.333944][  T200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.334076][  T200]  ? __kernel_text_address (kernel/extable.c:79)
[    9.334215][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.334347][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.334484][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.334654][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.334848][  T200]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.335038][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.335244][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.335445][  T200]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.335601][  T200]  ? __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)
[    9.335734][  T200]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.335867][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.335998][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.336141][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.336276][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.336415][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.336543][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.336674][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.336804][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.336935][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.337067][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.337204][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.337333][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.337467][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.337596][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.337725][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.337857][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.337986][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.338123][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.338254][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.338387][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.338516][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.338648][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.338776][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.338909][  T200]  ? 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))
[    9.339038][  T200]  ? 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))
[    9.339177][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.339308][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.339443][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.339575][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.339704][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.339834][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.339966][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.340096][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.340234][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.340401][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.340532][  T200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.340662][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.340792][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.340920][  T200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.341083][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.341233][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.341364][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.341498][  T200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.341662][  T200]  ? 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)
[    9.341791][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.341921][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.342052][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.342189][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.342320][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.342484][  T200] RIP: 0033:0x7ff533a9808e
[    9.342622][  T200] 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
[    9.343089][  T200] RSP: 002b:00007fff4f5ce1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.343290][  T200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff533a9808e
[    9.343492][  T200] RDX: 0000000000000000 RSI: 00007fff4f5ce290 RDI: 0000000000000005
[    9.343686][  T200] RBP: 00007fff4f5ce1f0 R08: 0000000000000000 R09: 0000000000000000
[    9.343881][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e301
[    9.344075][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4f5ce960
| [    9.469944][  T204] ------------[ cut here ]------------
| [    9.470638][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.470926][  T204] Modules linked in:
| [    9.471403][  T204] Tainted: [W]=WARN
[    9.471550][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.471758][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.471976][  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
[    9.472503][  T204] RSP: 0018:ffa0000000947a80 EFLAGS: 00010286
[    9.472713][  T204] RAX: 00000000ffffffa6 RBX: ff1100000da9c580 RCX: 1ff4000000128f16
[    9.472952][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da9c63c
[    9.473207][  T204] RBP: ff1100000ab14000 R08: 1fe2200001b538c9 R09: ff1100000c24ae80
[    9.473458][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.473696][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab14000
[    9.473938][  T204] FS:  00007efd96ac8840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[    9.474228][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.474454][  T204] CR2: 00007efd96cd27d0 CR3: 0000000008d22001 CR4: 0000000000771ef0
[    9.474695][  T204] PKRU: 55555554
[    9.474838][  T204] Call Trace:
[    9.474984][  T204]  <TASK>
[    9.475098][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.475290][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.475482][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.475629][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.475808][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.476016][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.476204][  T204]  register_netdev (net/core/dev.c:11552)
[    9.476388][  T204]  loopback_net_init (drivers/net/loopback.c:218)
[    9.476568][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.476718][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.476863][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.477038][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.477229][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.477416][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.477596][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.477776][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.477958][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.478149][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.478326][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.478510][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.478692][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.478871][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.479048][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.479238][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.479425][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.479608][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.479787][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.479995][  T204] RIP: 0033:0x7efd96d8abcb
[    9.480193][  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
[    9.480715][  T204] RSP: 002b:00007fffdd548cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.480960][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd96d8abcb
[    9.481213][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.481464][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.481709][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdd54af20
[    9.481951][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdd54c88a
| [    9.487707][  T204] ------------[ cut here ]------------
| [    9.487888][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.488180][  T204] Modules linked in:
| [    9.488649][  T204] Tainted: [W]=WARN
[    9.488793][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.489001][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.489306][  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
[    9.489884][  T204] RSP: 0018:ffa0000000947918 EFLAGS: 00010286
[    9.490165][  T204] RAX: 00000000ffffffa6 RBX: ff1100000da4fc40 RCX: 1ff4000000128ee9
[    9.490466][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da4fcfc
[    9.490759][  T204] RBP: ff1100000a814000 R08: 1fe2200001b49fa1 R09: ff1100000c24ae80
[    9.491054][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.491383][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a814000
[    9.491681][  T204] FS:  00007efd96ac8840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[    9.492009][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.492302][  T204] CR2: 00007efd96cd27d0 CR3: 0000000008d22001 CR4: 0000000000771ef0
[    9.492699][  T204] PKRU: 55555554
[    9.492899][  T204] Call Trace:
[    9.493096][  T204]  <TASK>
[    9.493277][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.493520][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.493752][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.493952][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.494198][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.494471][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.494703][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.494936][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.495181][  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))
[    9.495423][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.495659][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.495894][  T204]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.496144][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.496345][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.496554][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.496786][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.497016][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.497262][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.497502][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.497742][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.497974][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.498219][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.498455][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.498685][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.498916][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.499147][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.499322][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.499510][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.499687][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.499865][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.500044][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.500263][  T204] RIP: 0033:0x7efd96d8abcb
[    9.500453][  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
[    9.500965][  T204] RSP: 002b:00007fffdd548cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.501225][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd96d8abcb
[    9.501474][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.501719][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.501961][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdd54af20
[    9.502217][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdd54c88a
| [    9.506559][  T204] ------------[ cut here ]------------
| [    9.506708][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [    9.506944][  T204] Modules linked in:
| [    9.507330][  T204] Tainted: [W]=WARN
[    9.507441][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.507608][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.507783][  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
[    9.508264][  T204] RSP: 0018:ffa00000009478f8 EFLAGS: 00010286
[    9.508440][  T204] RAX: 00000000ffffffa6 RBX: ff1100000f0e4c80 RCX: 1ff4000000128ee5
[    9.508639][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0e4d3c
[    9.508836][  T204] RBP: ff1100000f344000 R08: 1fe2200001e1c9a9 R09: ff1100000c24ae80
[    9.509035][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.509236][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f344000
[    9.509442][  T204] FS:  00007efd96ac8840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[    9.509675][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.509841][  T204] CR2: 000055d19c51fd5c CR3: 0000000008d22005 CR4: 0000000000771ef0
[    9.510041][  T204] PKRU: 55555554
[    9.510147][  T204] Call Trace:
[    9.510245][  T204]  <TASK>
[    9.510314][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.510453][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.510584][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.510686][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.510820][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.510986][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.511125][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.511257][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.511394][  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))
[    9.511529][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.511663][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.511798][  T204]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.511932][  T204]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.512067][  T204]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.512206][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.512309][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.512417][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.512549][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.512682][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.512820][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.512965][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.513101][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.513240][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.513381][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.513514][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.513647][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.513783][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.513918][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.514051][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.514189][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.514322][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.514462][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.514595][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.514759][  T204] RIP: 0033:0x7efd96d8abcb
[    9.514900][  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
[    9.515480][  T204] RSP: 002b:00007fffdd548cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.515771][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd96d8abcb
[    9.515973][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.516265][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.516470][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdd54af20
[    9.516670][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdd54c88a
| [    9.522002][  T204] ------------[ cut here ]------------
| [    9.522229][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [    9.522604][  T204] Modules linked in:
| [    9.523179][  T204] Tainted: [W]=WARN
[    9.523333][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.523590][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.523875][  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
[    9.524579][  T204] RSP: 0018:ffa0000000947a78 EFLAGS: 00010286
[    9.524744][  T204] RAX: 00000000ffffffa6 RBX: ff1100000da9d540 RCX: 1ff4000000128f15
[    9.524947][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da9d5fc
[    9.525147][  T204] RBP: ff1100000f274000 R08: 1fe2200001b53ac1 R09: ff1100000c24ae80
[    9.525340][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.525539][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f274000
[    9.525742][  T204] FS:  00007efd96ac8840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[    9.525971][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.526140][  T204] CR2: 000055d19c51fd5c CR3: 0000000008d22005 CR4: 0000000000771ef0
[    9.526334][  T204] PKRU: 55555554
[    9.526436][  T204] Call Trace:
[    9.526533][  T204]  <TASK>
[    9.526606][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.526736][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.526867][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.526965][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.527095][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.527258][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.527396][  T204]  register_netdev (net/core/dev.c:11552)
[    9.527527][  T204]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.527657][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.527758][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.527855][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.527984][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.528112][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.528250][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.528385][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.528518][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.528648][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.528777][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.528907][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.529036][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.529174][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.529307][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.529442][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.529573][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.529701][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.529832][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.529960][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.530129][  T204] RIP: 0033:0x7efd96d8abcb
[    9.530264][  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
[    9.530732][  T204] RSP: 002b:00007fffdd548cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.530930][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd96d8abcb
[    9.531128][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.531320][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.531520][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdd54af20
[    9.531715][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdd54c88a
| [    9.536240][  T204] ------------[ cut here ]------------
| [    9.536470][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [    9.536697][  T204] Modules linked in:
| [    9.537166][  T204] Tainted: [W]=WARN
[    9.537266][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.537436][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.537696][  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
[    9.538162][  T204] RSP: 0018:ffa0000000947a68 EFLAGS: 00010286
[    9.538327][  T204] RAX: 00000000ffffffa6 RBX: ff1100000da22740 RCX: 1ff4000000128f13
[    9.538578][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da227fc
[    9.538862][  T204] RBP: ff1100000f071000 R08: 1fe2200001b44501 R09: ff1100000c24ae80
[    9.539056][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.539257][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f071000
[    9.539547][  T204] FS:  00007efd96ac8840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[    9.539774][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.539942][  T204] CR2: 000055d19c51fd5c CR3: 0000000008d22005 CR4: 0000000000771ef0
[    9.540234][  T204] PKRU: 55555554
[    9.540332][  T204] Call Trace:
[    9.540435][  T204]  <TASK>
[    9.540502][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.540719][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.540851][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.540951][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.541083][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.541344][  T204]  register_netdev (net/core/dev.c:11552)
[    9.541483][  T204]  sit_init_net (net/ipv6/sit.c:1860)
[    9.541614][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.541713][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.541813][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.542027][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.542161][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.542293][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.542435][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.542653][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.542784][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.542915][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.543046][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.543269][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.543405][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.543542][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.543671][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.543887][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.544016][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.544151][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.544282][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.544534][  T204] RIP: 0033:0x7efd96d8abcb
[    9.544669][  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
[    9.545239][  T204] RSP: 002b:00007fffdd548cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.545456][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd96d8abcb
[    9.545744][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.545991][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.546203][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdd54af20
[    9.546492][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdd54c88a
| [    9.551993][  T204] ------------[ cut here ]------------
| [    9.552140][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [    9.552458][  T204] Modules linked in:
| [    9.552826][  T204] Tainted: [W]=WARN
[    9.552924][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.553181][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.553351][  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
[    9.553922][  T204] RSP: 0018:ffa0000000947a78 EFLAGS: 00010286
[    9.554085][  T204] RAX: 00000000ffffffa6 RBX: ff11000009afee40 RCX: 1ff4000000128f15
[    9.554379][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009afeefc
[    9.554573][  T204] RBP: ff1100000e77c000 R08: 1fe220000135fde1 R09: ff1100000c24ae80
[    9.554769][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.555050][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e77c000
[    9.555251][  T204] FS:  00007efd96ac8840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[    9.555570][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.555734][  T204] CR2: 000055d19c51fd5c CR3: 0000000008d22005 CR4: 0000000000771ef0
[    9.555930][  T204] PKRU: 55555554
[    9.556027][  T204] Call Trace:
[    9.556215][  T204]  <TASK>
[    9.556282][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.556416][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.556546][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.556645][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.556863][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.557023][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.557160][  T204]  register_netdev (net/core/dev.c:11552)
[    9.557380][  T204]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.557511][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.557609][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.557707][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.557838][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.558052][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.558189][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.558320][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.558459][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.558675][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.558807][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.558936][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.559064][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.559199][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.559332][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.559468][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.559596][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.559812][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.559945][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.560074][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.560325][  T204] RIP: 0033:0x7efd96d8abcb
[    9.560467][  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
[    9.561020][  T204] RSP: 002b:00007fffdd548cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.561229][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd96d8abcb
[    9.561429][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.561711][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.561905][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdd54af20
[    9.562100][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdd54c88a
| [    9.596302][  T205] ------------[ cut here ]------------
| [    9.596474][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [    9.596713][  T205] Modules linked in:
| [    9.597099][  T205] Tainted: [W]=WARN
[    9.597216][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.597390][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.597566][  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
[    9.598036][  T205] RSP: 0018:ffa0000000957020 EFLAGS: 00010286
[    9.598212][  T205] RAX: 00000000ffffffa6 RBX: ff1100000f6a0ac0 RCX: 1ff400000012adca
[    9.598417][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f6a0b7c
[    9.598615][  T205] RBP: ff1100000ab14000 R08: 1fe2200001ed4171 R09: ff1100000c24d158
[    9.598814][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.599014][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.599219][  T205] FS:  00007fa12fcdb840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[    9.599458][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.599625][  T205] CR2: 0000000030a84988 CR3: 000000000fd9f001 CR4: 0000000000771ef0
[    9.599825][  T205] PKRU: 55555554
[    9.599924][  T205] Call Trace:
[    9.600023][  T205]  <TASK>
[    9.600093][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.600232][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.600333][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.600473][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.600606][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.600738][  T205]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.600870][  T205]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.601001][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.601139][  T205]  ? 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))
[    9.601274][  T205]  netif_change_flags (net/core/dev.c:9820)
[    9.601412][  T205]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.601544][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.601679][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.601813][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.601979][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.602111][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.602248][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.602385][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.602520][  T205]  ? __kernel_text_address (kernel/extable.c:79)
[    9.602656][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.602791][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.602922][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.603055][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.603194][  T205]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.603325][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.603464][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.603596][  T205]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.603731][  T205]  ? __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)
[    9.603866][  T205]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.603999][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.604138][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.604273][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.604413][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.604548][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.604679][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.604810][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.604941][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.605073][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.605213][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.605346][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.605481][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.605614][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.605748][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.605882][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.606017][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.606154][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.606289][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.606428][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.606560][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.606694][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.606827][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.606959][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.607094][  T205]  ? 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))
[    9.607321][  T205]  ? 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))
[    9.607461][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.607594][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.607726][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.607860][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.607994][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.608206][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.608341][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.608479][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.608612][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.608774][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.608907][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.609041][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.609232][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.609433][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.609602][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.609746][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.609879][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.610010][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.610278][  T205]  ? 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)
[    9.610418][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.610553][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.610686][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.610820][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.610953][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.611181][  T205] RIP: 0033:0x7fa12ff1508e
[    9.611324][  T205] 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
[    9.611798][  T205] RSP: 002b:00007ffe67e48100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.611998][  T205] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa12ff1508e
[    9.612272][  T205] RDX: 0000000000000000 RSI: 00007ffe67e481b0 RDI: 0000000000000005
[    9.612474][  T205] RBP: 00007ffe67e48110 R08: 0000000000000000 R09: 0000000000000000
[    9.612672][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e301
[    9.612869][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe67e48880
| [    9.739975][  T209] ------------[ cut here ]------------
| [    9.740189][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [    9.740473][  T209] Modules linked in:
| [    9.740935][  T209] Tainted: [W]=WARN
[    9.741079][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.741305][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.741533][  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
[    9.742052][  T209] RSP: 0018:ffa0000000967a80 EFLAGS: 00010286
[    9.742278][  T209] RAX: 00000000ffffffa6 RBX: ff1100000da4f8c0 RCX: 1ff400000012cf16
[    9.742525][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da4f97c
[    9.742763][  T209] RBP: ff1100000fce4000 R08: 1fe2200001b49f31 R09: ff1100000f372e80
[    9.743001][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.743530][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fce4000
[    9.743775][  T209] FS:  00007f706601d840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[    9.744052][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.744275][  T209] CR2: 00007f706621ec20 CR3: 000000000a105003 CR4: 0000000000771ef0
[    9.744526][  T209] PKRU: 55555554
[    9.744669][  T209] Call Trace:
[    9.744816][  T209]  <TASK>
[    9.744930][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.745107][  T209]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.745300][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.745452][  T209]  register_netdevice (net/core/dev.c:11488)
[    9.745631][  T209]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.745840][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.746022][  T209]  register_netdev (net/core/dev.c:11552)
[    9.746212][  T209]  loopback_net_init (drivers/net/loopback.c:218)
[    9.746398][  T209]  ops_init (net/core/net_namespace.c:137)
[    9.746547][  T209]  setup_net (net/core/net_namespace.c:446)
[    9.746693][  T209]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.746868][  T209]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.747047][  T209]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.747241][  T209]  copy_net_ns (net/core/net_namespace.c:579)
[    9.747429][  T209]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.747612][  T209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.747793][  T209]  ksys_unshare (kernel/fork.c:3243)
[    9.747972][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.748162][  T209]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.748340][  T209]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.748531][  T209]  ? __ia32_sys_open (fs/open.c:1374)
[    9.748710][  T209]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.748886][  T209]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.749064][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.749255][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.749441][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.749622][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.749834][  T209] RIP: 0033:0x7f70662dfbcb
[    9.750022][  T209] 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
[    9.750555][  T209] RSP: 002b:00007ffc105ea668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.750797][  T209] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f70662dfbcb
[    9.751043][  T209] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.751294][  T209] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.751543][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc105ec890
[    9.751782][  T209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc105ee88a
| [    9.756124][  T209] ------------[ cut here ]------------
| [    9.756302][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [    9.756580][  T209] Modules linked in:
| [    9.757036][  T209] Tainted: [W]=WARN
[    9.757193][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.757408][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.757624][  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
[    9.758138][  T209] RSP: 0018:ffa0000000967918 EFLAGS: 00010286
[    9.758349][  T209] RAX: 00000000ffffffa6 RBX: ff1100000da9d8c0 RCX: 1ff400000012cee9
[    9.758594][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da9d97c
[    9.758837][  T209] RBP: ff11000005f81000 R08: 1fe2200001b53b31 R09: ff1100000f372e80
[    9.759076][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.759329][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005f81000
[    9.759578][  T209] FS:  00007f706601d840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[    9.759855][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.760064][  T209] CR2: 00007f706621ec20 CR3: 000000000a105003 CR4: 0000000000771ef0
[    9.760319][  T209] PKRU: 55555554
[    9.760471][  T209] Call Trace:
[    9.760615][  T209]  <TASK>
[    9.760729][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.760906][  T209]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.761085][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.761241][  T209]  register_netdevice (net/core/dev.c:11488)
[    9.761426][  T209]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.761633][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.761811][  T209]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.761988][  T209]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.762176][  T209]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.762358][  T209]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.762544][  T209]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.762722][  T209]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.762902][  T209]  ops_init (net/core/net_namespace.c:137)
[    9.763051][  T209]  setup_net (net/core/net_namespace.c:446)
[    9.763210][  T209]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.763392][  T209]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.763572][  T209]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.763756][  T209]  copy_net_ns (net/core/net_namespace.c:579)
[    9.763934][  T209]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.764127][  T209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.764304][  T209]  ksys_unshare (kernel/fork.c:3243)
[    9.764491][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.764669][  T209]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.764847][  T209]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.765029][  T209]  ? __ia32_sys_open (fs/open.c:1374)
[    9.765222][  T209]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.765408][  T209]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.765586][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.765762][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.765940][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.766133][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.766342][  T209] RIP: 0033:0x7f70662dfbcb
[    9.766537][  T209] 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
[    9.767038][  T209] RSP: 002b:00007ffc105ea668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.767295][  T209] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f70662dfbcb
[    9.767544][  T209] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.767780][  T209] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.768020][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc105ec890
[    9.768273][  T209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc105ee88a
| [    9.773376][  T209] ------------[ cut here ]------------
| [    9.773551][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [    9.773824][  T209] Modules linked in:
| [    9.774297][  T209] Tainted: [W]=WARN
[    9.774448][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.774660][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.774880][  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
[    9.775413][  T209] RSP: 0018:ffa00000009678f8 EFLAGS: 00010286
[    9.775626][  T209] RAX: 00000000ffffffa6 RBX: ff1100000b719c40 RCX: 1ff400000012cee5
[    9.775868][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b719cfc
[    9.776128][  T209] RBP: ff11000010821000 R08: 1fe22000016e33a1 R09: ff1100000f372e80
[    9.776378][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.776623][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010821000
[    9.776869][  T209] FS:  00007f706601d840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[    9.777167][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.777388][  T209] CR2: 00007f706621ec20 CR3: 000000000a105003 CR4: 0000000000771ef0
[    9.777635][  T209] PKRU: 55555554
[    9.777781][  T209] Call Trace:
[    9.777927][  T209]  <TASK>
[    9.778044][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.778235][  T209]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.778428][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.778580][  T209]  register_netdevice (net/core/dev.c:11488)
[    9.778762][  T209]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.778975][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.779170][  T209]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.779353][  T209]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.779543][  T209]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.779727][  T209]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.779908][  T209]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.780090][  T209]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.780283][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.780478][  T209]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.780663][  T209]  ops_init (net/core/net_namespace.c:137)
[    9.780813][  T209]  setup_net (net/core/net_namespace.c:446)
[    9.780963][  T209]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.781158][  T209]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.781339][  T209]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.781532][  T209]  copy_net_ns (net/core/net_namespace.c:579)
[    9.781716][  T209]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.781899][  T209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.782081][  T209]  ksys_unshare (kernel/fork.c:3243)
[    9.782270][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.782465][  T209]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.782648][  T209]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.782830][  T209]  ? __ia32_sys_open (fs/open.c:1374)
[    9.783013][  T209]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.783204][  T209]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.783391][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.783573][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.783753][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.783935][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.784156][  T209] RIP: 0033:0x7f70662dfbcb
[    9.784341][  T209] 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
[    9.784863][  T209] RSP: 002b:00007ffc105ea668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.785127][  T209] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f70662dfbcb
[    9.785375][  T209] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.785620][  T209] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.785863][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc105ec890
[    9.786107][  T209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc105ee88a
| [    9.792585][  T209] ------------[ cut here ]------------
| [    9.792782][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [    9.793057][  T209] Modules linked in:
| [    9.793537][  T209] Tainted: [W]=WARN
[    9.793681][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.793893][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.794112][  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
[    9.794657][  T209] RSP: 0018:ffa0000000967a78 EFLAGS: 00010286
[    9.794869][  T209] RAX: 00000000ffffffa6 RBX: ff1100000da34e40 RCX: 1ff400000012cf15
[    9.795196][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da34efc
[    9.795502][  T209] RBP: ff1100000fc14000 R08: 1fe2200001b469e1 R09: ff1100000f372e80
[    9.795800][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.796095][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc14000
[    9.796419][  T209] FS:  00007f706601d840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[    9.796754][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.797019][  T209] CR2: 00007f706621ec20 CR3: 000000000a105003 CR4: 0000000000771ef0
[    9.797330][  T209] PKRU: 55555554
[    9.797534][  T209] Call Trace:
[    9.797731][  T209]  <TASK>
[    9.797902][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.798147][  T209]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.798387][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.798589][  T209]  register_netdevice (net/core/dev.c:11488)
[    9.798822][  T209]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.799082][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.799328][  T209]  register_netdev (net/core/dev.c:11552)
[    9.799569][  T209]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.799802][  T209]  ops_init (net/core/net_namespace.c:137)
[    9.800004][  T209]  setup_net (net/core/net_namespace.c:446)
[    9.800217][  T209]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.800456][  T209]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.800687][  T209]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.800921][  T209]  copy_net_ns (net/core/net_namespace.c:579)
[    9.801174][  T209]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.801417][  T209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.801649][  T209]  ksys_unshare (kernel/fork.c:3243)
[    9.801882][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.802179][  T209]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.802419][  T209]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.802655][  T209]  ? __ia32_sys_open (fs/open.c:1374)
[    9.802894][  T209]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.803138][  T209]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.803380][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.803604][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.803779][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.803959][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.804182][  T209] RIP: 0033:0x7f70662dfbcb
[    9.804366][  T209] 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
[    9.804884][  T209] RSP: 002b:00007ffc105ea668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.805141][  T209] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f70662dfbcb
[    9.805388][  T209] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.805633][  T209] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.805872][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc105ec890
[    9.806113][  T209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc105ee88a
| [    9.810802][  T209] ------------[ cut here ]------------
| [    9.810980][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [    9.811261][  T209] Modules linked in:
| [    9.811727][  T209] Tainted: [W]=WARN
[    9.811872][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.812082][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.812311][  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
[    9.812831][  T209] RSP: 0018:ffa0000000967a68 EFLAGS: 00010286
[    9.813045][  T209] RAX: 00000000ffffffa6 RBX: ff1100000a14e3c0 RCX: 1ff400000012cf13
[    9.813834][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14e47c
[    9.814150][  T209] RBP: ff1100000e719000 R08: 1fe2200001429c91 R09: ff1100000f372e80
[    9.814456][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.814754][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e719000
[    9.815055][  T209] FS:  00007f706601d840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[    9.815414][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.815686][  T209] CR2: 00007f706621ec20 CR3: 000000000a105003 CR4: 0000000000771ef0
[    9.815996][  T209] PKRU: 55555554
[    9.816208][  T209] Call Trace:
[    9.816417][  T209]  <TASK>
[    9.816587][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.816820][  T209]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.817056][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.817276][  T209]  register_netdevice (net/core/dev.c:11488)
[    9.817521][  T209]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.817788][  T209]  register_netdev (net/core/dev.c:11552)
[    9.818020][  T209]  sit_init_net (net/ipv6/sit.c:1860)
[    9.818269][  T209]  ops_init (net/core/net_namespace.c:137)
[    9.818474][  T209]  setup_net (net/core/net_namespace.c:446)
[    9.818682][  T209]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.818921][  T209]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.819167][  T209]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.819403][  T209]  copy_net_ns (net/core/net_namespace.c:579)
[    9.819581][  T209]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.819761][  T209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.819939][  T209]  ksys_unshare (kernel/fork.c:3243)
[    9.820133][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.820315][  T209]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.820501][  T209]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.820679][  T209]  ? __ia32_sys_open (fs/open.c:1374)
[    9.820856][  T209]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.821032][  T209]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.821229][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.821412][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.821590][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.821772][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.821981][  T209] RIP: 0033:0x7f70662dfbcb
[    9.822177][  T209] 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
[    9.822691][  T209] RSP: 002b:00007ffc105ea668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.822937][  T209] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f70662dfbcb
[    9.823190][  T209] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.823441][  T209] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.823681][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc105ec890
[    9.823923][  T209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc105ee88a
| [    9.834998][  T209] ------------[ cut here ]------------
| [    9.835191][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [    9.835478][  T209] Modules linked in:
| [    9.835939][  T209] Tainted: [W]=WARN
[    9.836085][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.836316][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.836550][  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
[    9.837066][  T209] RSP: 0018:ffa0000000967a78 EFLAGS: 00010286
[    9.837293][  T209] RAX: 00000000ffffffa6 RBX: ff1100000de98ac0 RCX: 1ff400000012cf15
[    9.837548][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de98b7c
[    9.837791][  T209] RBP: ff1100000f45c000 R08: 1fe2200001bd3171 R09: ff1100000f372e80
[    9.838033][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.838289][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f45c000
[    9.838543][  T209] FS:  00007f706601d840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[    9.838820][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.839032][  T209] CR2: 00007f706621ec20 CR3: 000000000a105003 CR4: 0000000000771ef0
[    9.839291][  T209] PKRU: 55555554
[    9.839446][  T209] Call Trace:
[    9.839592][  T209]  <TASK>
[    9.839709][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.839894][  T209]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.840073][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.840234][  T209]  register_netdevice (net/core/dev.c:11488)
[    9.840421][  T209]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.840633][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.840816][  T209]  register_netdev (net/core/dev.c:11552)
[    9.840999][  T209]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.841193][  T209]  ops_init (net/core/net_namespace.c:137)
[    9.841342][  T209]  setup_net (net/core/net_namespace.c:446)
[    9.841499][  T209]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.841677][  T209]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.841856][  T209]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.842037][  T209]  copy_net_ns (net/core/net_namespace.c:579)
[    9.842231][  T209]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.842421][  T209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.842601][  T209]  ksys_unshare (kernel/fork.c:3243)
[    9.842781][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.842959][  T209]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.843152][  T209]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.843335][  T209]  ? __ia32_sys_open (fs/open.c:1374)
[    9.843523][  T209]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.843706][  T209]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.843883][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.844062][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.844255][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.844442][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.844652][  T209] RIP: 0033:0x7f70662dfbcb
[    9.844836][  T209] 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
[    9.845367][  T209] RSP: 002b:00007ffc105ea668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.845619][  T209] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f70662dfbcb
[    9.845862][  T209] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.846109][  T209] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.846366][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc105ec890
[    9.846616][  T209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc105ee88a
| [    9.879777][  T210] ------------[ cut here ]------------
| [    9.879934][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [    9.880176][  T210] Modules linked in:
| [    9.880550][  T210] Tainted: [W]=WARN
[    9.880649][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.880815][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.880988][  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
[    9.881467][  T210] RSP: 0018:ffa0000000977020 EFLAGS: 00010286
[    9.881634][  T210] RAX: 00000000ffffffa6 RBX: ff11000009afe580 RCX: 1ff400000012edca
[    9.881832][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009afe63c
[    9.882027][  T210] RBP: ff1100000fce4000 R08: 1fe220000135fcc9 R09: ff1100000f370b58
[    9.882235][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.882436][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.882634][  T210] FS:  00007f52e11a8840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[    9.882864][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.883034][  T210] CR2: 000000000c070988 CR3: 000000000c78c004 CR4: 0000000000771ef0
[    9.883238][  T210] PKRU: 55555554
[    9.883336][  T210] Call Trace:
[    9.883441][  T210]  <TASK>
[    9.883511][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.883647][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.883749][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.883881][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[    9.884015][  T210]  ? netif_change_name (net/core/dev.c:1495)
[    9.884158][  T210]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.884290][  T210]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.884429][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.884560][  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))
[    9.884693][  T210]  netif_change_flags (net/core/dev.c:9820)
[    9.884826][  T210]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.884959][  T210]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.885094][  T210]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.885232][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.885411][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.885541][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.885672][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.885843][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.886037][  T210]  ? __kernel_text_address (kernel/extable.c:79)
[    9.886243][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.886458][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.886650][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.886795][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.886928][  T210]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.887058][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.887198][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.887330][  T210]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.887469][  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)
[    9.887602][  T210]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.887734][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.887868][  T210]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.888002][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.888143][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.888277][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.888412][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.888544][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.888675][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.888806][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.888941][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.889071][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.889207][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.889339][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.889478][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.889610][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.889741][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.889872][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.890003][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.890144][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.890274][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.890411][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.890543][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.890675][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.890811][  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))
[    9.890942][  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))
[    9.891074][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.891212][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.891342][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.891479][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.891610][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.891743][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.891877][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.892036][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.892205][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.892374][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.892506][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.892638][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.892773][  T210]  ___sys_sendmsg (net/socket.c:2752)
[    9.892904][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.893065][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.893296][  T210]  __sys_sendmsg (net/socket.c:2784)
[    9.893436][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.893565][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.893729][  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)
[    9.893861][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.893992][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.894192][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.894420][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.894553][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.894714][  T210] RIP: 0033:0x7f52e13e208e
[    9.894851][  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
[    9.895403][  T210] RSP: 002b:00007ffcfdebf720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.895603][  T210] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f52e13e208e
[    9.895799][  T210] RDX: 0000000000000000 RSI: 00007ffcfdebf7d0 RDI: 0000000000000005
[    9.895996][  T210] RBP: 00007ffcfdebf730 R08: 0000000000000000 R09: 0000000000000000
[    9.896267][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e302
[    9.896467][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfdebfea0
| [   10.020914][  T214] ------------[ cut here ]------------
| [   10.021130][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.021416][  T214] Modules linked in:
| [   10.021886][  T214] Tainted: [W]=WARN
[   10.022035][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.022262][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.022491][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.023009][  T214] RSP: 0018:ffa0000000867a80 EFLAGS: 00010286
[   10.023335][  T214] RAX: 00000000ffffffa6 RBX: ff1100000b829e00 RCX: 1ff400000010cf16
[   10.023584][  T214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b829ebc
[   10.023827][  T214] RBP: ff1100000fe3c000 R08: 1fe22000017053d9 R09: ff11000006270b80
[   10.024068][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.024328][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe3c000
[   10.024583][  T214] FS:  00007fd3c2860840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   10.024861][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.025073][  T214] CR2: 00007fd3c2a67430 CR3: 000000000f0a1005 CR4: 0000000000771ef0
[   10.025334][  T214] PKRU: 55555554
[   10.025484][  T214] Call Trace:
[   10.025631][  T214]  <TASK>
[   10.025747][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.025927][  T214]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.026107][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.026267][  T214]  register_netdevice (net/core/dev.c:11488)
[   10.026454][  T214]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.026675][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.026856][  T214]  register_netdev (net/core/dev.c:11552)
[   10.027035][  T214]  loopback_net_init (drivers/net/loopback.c:218)
[   10.027227][  T214]  ops_init (net/core/net_namespace.c:137)
[   10.027384][  T214]  setup_net (net/core/net_namespace.c:446)
[   10.027533][  T214]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.027710][  T214]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.027894][  T214]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.028077][  T214]  copy_net_ns (net/core/net_namespace.c:579)
[   10.028269][  T214]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.028461][  T214]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.028644][  T214]  ksys_unshare (kernel/fork.c:3243)
[   10.028825][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.029004][  T214]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.029199][  T214]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.029387][  T214]  ? __ia32_sys_open (fs/open.c:1374)
[   10.029569][  T214]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.029746][  T214]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.029923][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.030100][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.030291][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.030480][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.030696][  T214] RIP: 0033:0x7fd3c2b22bcb
[   10.030882][  T214] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.031417][  T214] RSP: 002b:00007ffdbf55b068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.031663][  T214] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd3c2b22bcb
[   10.031906][  T214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.032160][  T214] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.032409][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbf55d290
[   10.032651][  T214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbf55d88a
| [   10.037358][  T214] ------------[ cut here ]------------
| [   10.037549][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.037826][  T214] Modules linked in:
| [   10.038512][  T214] Tainted: [W]=WARN
[   10.038658][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.038870][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.039089][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.039626][  T214] RSP: 0018:ffa0000000867918 EFLAGS: 00010286
[   10.039838][  T214] RAX: 00000000ffffffa6 RBX: ff1100000de07000 RCX: 1ff400000010cee9
[   10.040082][  T214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de070bc
[   10.040337][  T214] RBP: ff11000007871000 R08: 1fe2200001bc0e19 R09: ff11000006270b80
[   10.040599][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.040843][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007871000
[   10.041089][  T214] FS:  00007fd3c2860840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   10.041393][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.041608][  T214] CR2: 00007fd3c2a67430 CR3: 000000000f0a1005 CR4: 0000000000771ef0
[   10.041855][  T214] PKRU: 55555554
[   10.042004][  T214] Call Trace:
[   10.042163][  T214]  <TASK>
[   10.042279][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.042472][  T214]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.042659][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.042807][  T214]  register_netdevice (net/core/dev.c:11488)
[   10.042990][  T214]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.043215][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.043404][  T214]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.043585][  T214]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.043764][  T214]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.043949][  T214]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.044142][  T214]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.044325][  T214]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.044516][  T214]  ops_init (net/core/net_namespace.c:137)
[   10.044667][  T214]  setup_net (net/core/net_namespace.c:446)
[   10.044816][  T214]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.044995][  T214]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.045194][  T214]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.045384][  T214]  copy_net_ns (net/core/net_namespace.c:579)
[   10.045567][  T214]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.045752][  T214]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.045931][  T214]  ksys_unshare (kernel/fork.c:3243)
[   10.046112][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.046306][  T214]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.046498][  T214]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.046679][  T214]  ? __ia32_sys_open (fs/open.c:1374)
[   10.046862][  T214]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.047041][  T214]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.047232][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.047418][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.047599][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.047780][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.047996][  T214] RIP: 0033:0x7fd3c2b22bcb
[   10.048196][  T214] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.048727][  T214] RSP: 002b:00007ffdbf55b068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.048973][  T214] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd3c2b22bcb
[   10.049232][  T214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.049483][  T214] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.049727][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbf55d290
[   10.049971][  T214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbf55d88a
| [   10.062155][  T214] ------------[ cut here ]------------
| [   10.062345][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.062645][  T214] Modules linked in:
| [   10.063688][  T214] Tainted: [W]=WARN
[   10.063898][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.064204][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.064501][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.065082][  T214] RSP: 0018:ffa00000008678f8 EFLAGS: 00010286
[   10.065378][  T214] RAX: 00000000ffffffa6 RBX: ff1100000b828040 RCX: 1ff400000010cee5
[   10.065681][  T214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8280fc
[   10.065993][  T214] RBP: ff1100000fdbc000 R08: 1fe2200001705021 R09: ff11000006270b80
[   10.066308][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.066622][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdbc000
[   10.066927][  T214] FS:  00007fd3c2860840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   10.067280][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.067566][  T214] CR2: 00007fd3c2a67430 CR3: 000000000f0a1005 CR4: 0000000000771ef0
[   10.067871][  T214] PKRU: 55555554
[   10.068088][  T214] Call Trace:
[   10.068302][  T214]  <TASK>
[   10.068481][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.068724][  T214]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.068964][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.069188][  T214]  register_netdevice (net/core/dev.c:11488)
[   10.069433][  T214]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.069703][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.069940][  T214]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.070188][  T214]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.070376][  T214]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.070560][  T214]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.070745][  T214]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.070927][  T214]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.071112][  T214]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.071309][  T214]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.071503][  T214]  ops_init (net/core/net_namespace.c:137)
[   10.071656][  T214]  setup_net (net/core/net_namespace.c:446)
[   10.071804][  T214]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.071984][  T214]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.072186][  T214]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.072377][  T214]  copy_net_ns (net/core/net_namespace.c:579)
[   10.072560][  T214]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.072742][  T214]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.072923][  T214]  ksys_unshare (kernel/fork.c:3243)
[   10.073103][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.073303][  T214]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.073495][  T214]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.073678][  T214]  ? __ia32_sys_open (fs/open.c:1374)
[   10.073859][  T214]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.074037][  T214]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.074231][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.074417][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.074598][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.074782][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.074995][  T214] RIP: 0033:0x7fd3c2b22bcb
[   10.075195][  T214] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.075716][  T214] RSP: 002b:00007ffdbf55b068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.075971][  T214] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd3c2b22bcb
[   10.076229][  T214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.076482][  T214] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.076724][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbf55d290
[   10.076974][  T214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbf55d88a
| [   10.081653][  T214] ------------[ cut here ]------------
| [   10.081835][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.082110][  T214] Modules linked in:
| [   10.082595][  T214] Tainted: [W]=WARN
[   10.082741][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.082955][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.083191][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.083708][  T214] RSP: 0018:ffa0000000867a78 EFLAGS: 00010286
[   10.083919][  T214] RAX: 00000000ffffffa6 RBX: ff1100000b828ac0 RCX: 1ff400000010cf15
[   10.084177][  T214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b828b7c
[   10.084428][  T214] RBP: ff1100000fccc000 R08: 1fe2200001705171 R09: ff11000006270b80
[   10.084668][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.084910][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fccc000
[   10.085170][  T214] FS:  00007fd3c2860840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   10.085452][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.085664][  T214] CR2: 00007fd3c2a67430 CR3: 000000000f0a1005 CR4: 0000000000771ef0
[   10.085909][  T214] PKRU: 55555554
[   10.086054][  T214] Call Trace:
[   10.086216][  T214]  <TASK>
[   10.086331][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.086519][  T214]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.086697][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.086846][  T214]  register_netdevice (net/core/dev.c:11488)
[   10.087027][  T214]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.087249][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.087442][  T214]  register_netdev (net/core/dev.c:11552)
[   10.087621][  T214]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.087800][  T214]  ops_init (net/core/net_namespace.c:137)
[   10.087947][  T214]  setup_net (net/core/net_namespace.c:446)
[   10.088096][  T214]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.088285][  T214]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.088471][  T214]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.088654][  T214]  copy_net_ns (net/core/net_namespace.c:579)
[   10.088842][  T214]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.089023][  T214]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.089731][  T214]  ksys_unshare (kernel/fork.c:3243)
[   10.089969][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.090218][  T214]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.090458][  T214]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.090695][  T214]  ? __ia32_sys_open (fs/open.c:1374)
[   10.090935][  T214]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.091182][  T214]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.091428][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.091663][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.091898][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.092142][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.092413][  T214] RIP: 0033:0x7fd3c2b22bcb
[   10.092654][  T214] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.093234][  T214] RSP: 002b:00007ffdbf55b068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.093537][  T214] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd3c2b22bcb
[   10.093836][  T214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.094147][  T214] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.094453][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbf55d290
[   10.094750][  T214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbf55d88a
| [   10.099784][  T214] ------------[ cut here ]------------
| [   10.099962][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.100316][  T214] Modules linked in:
| [   10.100794][  T214] Tainted: [W]=WARN
[   10.100939][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.101164][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.101394][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.101906][  T214] RSP: 0018:ffa0000000867a68 EFLAGS: 00010286
[   10.102131][  T214] RAX: 00000000ffffffa6 RBX: ff1100000daa0c80 RCX: 1ff400000010cf13
[   10.102379][  T214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa0d3c
[   10.102625][  T214] RBP: ff1100000f221000 R08: 1fe2200001b541a9 R09: ff11000006270b80
[   10.102867][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.103108][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f221000
[   10.103366][  T214] FS:  00007fd3c2860840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   10.103651][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.103867][  T214] CR2: 00007fd3c2a67430 CR3: 000000000f0a1005 CR4: 0000000000771ef0
[   10.104112][  T214] PKRU: 55555554
[   10.104270][  T214] Call Trace:
[   10.104419][  T214]  <TASK>
[   10.104536][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.104716][  T214]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.104895][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.105046][  T214]  register_netdevice (net/core/dev.c:11488)
[   10.105236][  T214]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.105454][  T214]  register_netdev (net/core/dev.c:11552)
[   10.105634][  T214]  sit_init_net (net/ipv6/sit.c:1860)
[   10.105814][  T214]  ops_init (net/core/net_namespace.c:137)
[   10.105962][  T214]  setup_net (net/core/net_namespace.c:446)
[   10.106109][  T214]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.106303][  T214]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.106491][  T214]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.106677][  T214]  copy_net_ns (net/core/net_namespace.c:579)
[   10.106857][  T214]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.107039][  T214]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.107231][  T214]  ksys_unshare (kernel/fork.c:3243)
[   10.107417][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.107600][  T214]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.107779][  T214]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.107959][  T214]  ? __ia32_sys_open (fs/open.c:1374)
[   10.108153][  T214]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.108331][  T214]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.108516][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.108696][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.108875][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.109058][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.109281][  T214] RIP: 0033:0x7fd3c2b22bcb
[   10.109474][  T214] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.109984][  T214] RSP: 002b:00007ffdbf55b068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.110247][  T214] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd3c2b22bcb
[   10.110498][  T214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.110741][  T214] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.110985][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbf55d290
[   10.111244][  T214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbf55d88a
| [   10.116589][  T214] ------------[ cut here ]------------
| [   10.116772][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.117046][  T214] Modules linked in:
| [   10.117522][  T214] Tainted: [W]=WARN
[   10.117667][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.117881][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.118100][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.118624][  T214] RSP: 0018:ffa0000000867a78 EFLAGS: 00010286
[   10.118835][  T214] RAX: 00000000ffffffa6 RBX: ff1100000dd43000 RCX: 1ff400000010cf15
[   10.119081][  T214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd430bc
[   10.119331][  T214] RBP: ff1100000f17c000 R08: 1fe2200001ba8619 R09: ff11000006270b80
[   10.119580][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.119819][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f17c000
[   10.120068][  T214] FS:  00007fd3c2860840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   10.120356][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.120576][  T214] CR2: 00007fd3c2a67430 CR3: 000000000f0a1005 CR4: 0000000000771ef0
[   10.120818][  T214] PKRU: 55555554
[   10.120962][  T214] Call Trace:
[   10.121109][  T214]  <TASK>
[   10.121241][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.121428][  T214]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.121608][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.121756][  T214]  register_netdevice (net/core/dev.c:11488)
[   10.121936][  T214]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.122156][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.122340][  T214]  register_netdev (net/core/dev.c:11552)
[   10.122530][  T214]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.122708][  T214]  ops_init (net/core/net_namespace.c:137)
[   10.122856][  T214]  setup_net (net/core/net_namespace.c:446)
[   10.123013][  T214]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.123200][  T214]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.123386][  T214]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.123571][  T214]  copy_net_ns (net/core/net_namespace.c:579)
[   10.123755][  T214]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.123936][  T214]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.124130][  T214]  ksys_unshare (kernel/fork.c:3243)
[   10.124308][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.124495][  T214]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.124675][  T214]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.124857][  T214]  ? __ia32_sys_open (fs/open.c:1374)
[   10.125038][  T214]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.125229][  T214]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.125414][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.125593][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.125770][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.125952][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.126169][  T214] RIP: 0033:0x7fd3c2b22bcb
[   10.126352][  T214] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.126873][  T214] RSP: 002b:00007ffdbf55b068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.127146][  T214] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd3c2b22bcb
[   10.127396][  T214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.127642][  T214] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.127884][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbf55d290
[   10.128141][  T214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbf55d88a
| [   10.171173][  T215] ------------[ cut here ]------------
| [   10.171408][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/215
| [   10.171762][  T215] Modules linked in:
| [   10.172679][  T215] Tainted: [W]=WARN
[   10.172832][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.173087][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.173498][  T215] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.174358][  T215] RSP: 0018:ffa0000000867020 EFLAGS: 00010286
[   10.174618][  T215] RAX: 00000000ffffffa6 RBX: ff11000009258c80 RCX: 1ff400000010cdca
[   10.174918][  T215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009258d3c
[   10.175337][  T215] RBP: ff1100000fe3c000 R08: 1fe220000124b1a9 R09: ff11000006272e58
[   10.175641][  T215] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.175941][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.176252][  T215] FS:  00007fc0df81e840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   10.176613][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.176865][  T215] CR2: 000000003930b988 CR3: 000000000fd54003 CR4: 0000000000771ef0
[   10.177177][  T215] PKRU: 55555554
[   10.177328][  T215] Call Trace:
[   10.177486][  T215]  <TASK>
[   10.177591][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.177798][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.177953][  T215]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.178162][  T215]  __dev_notify_flags (net/core/dev.c:9787)
[   10.178372][  T215]  ? netif_change_name (net/core/dev.c:1495)
[   10.178576][  T215]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.178779][  T215]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.178978][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.179193][  T215]  ? 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))
[   10.179407][  T215]  netif_change_flags (net/core/dev.c:9820)
[   10.179632][  T215]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.179862][  T215]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.180082][  T215]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.180296][  T215]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.180563][  T215]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.180770][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.180979][  T215]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.181195][  T215]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.181416][  T215]  ? __kernel_text_address (kernel/extable.c:79)
[   10.181634][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.181848][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.182063][  T215]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.182286][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.182497][  T215]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.182700][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.182907][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.183126][  T215]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.183337][  T215]  ? __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)
[   10.183543][  T215]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.183744][  T215]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.183955][  T215]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.184189][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.184413][  T215]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.184619][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.184826][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.185033][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.185248][  T215]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.185461][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.185680][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.185887][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.186094][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.186311][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.186527][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.186737][  T215]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.186939][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.187153][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.187353][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.187565][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.187767][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.187975][  T215]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.188187][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.188395][  T215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.188605][  T215]  ? 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))
[   10.188808][  T215]  ? 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))
[   10.189016][  T215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.189230][  T215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.189440][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.189644][  T215]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.189848][  T215]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.190052][  T215]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.190268][  T215]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.190477][  T215]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.190679][  T215]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.190929][  T215]  ? move_addr_to_kernel (net/socket.c:258)
[   10.191140][  T215]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.191343][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.191552][  T215]  ___sys_sendmsg (net/socket.c:2752)
[   10.191755][  T215]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.192006][  T215]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.192239][  T215]  __sys_sendmsg (net/socket.c:2784)
[   10.192444][  T215]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.192643][  T215]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.192900][  T215]  ? 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)
[   10.193105][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.193318][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.193524][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.193725][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.193926][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.194186][  T215] RIP: 0033:0x7fc0dfa5808e
[   10.194402][  T215] 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
[   10.195129][  T215] RSP: 002b:00007ffc26440280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.195438][  T215] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc0dfa5808e
[   10.195741][  T215] RDX: 0000000000000000 RSI: 00007ffc26440330 RDI: 0000000000000005
[   10.196042][  T215] RBP: 00007ffc26440290 R08: 0000000000000000 R09: 0000000000000000
[   10.196353][  T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e302
[   10.196658][  T215] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc26440a00
| [   11.749227][  T254] ------------[ cut here ]------------
| [   11.749490][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/254
| [   11.749824][  T254] Modules linked in:
| [   11.750995][  T254] Tainted: [W]=WARN
[   11.751246][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.751525][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.751813][  T254] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.752388][  T254] RSP: 0018:ffa0000000bc6e30 EFLAGS: 00010286
[   11.752603][  T254] RAX: 00000000ffffffa6 RBX: ff110000053f1a80 RCX: 1ff4000000178d8c
[   11.752847][  T254] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f1b3c
[   11.753095][  T254] RBP: ff11000008e79000 R08: 1fe2200000a7e369 R09: ff1100000f47ae80
[   11.753407][  T254] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.753656][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b960400
[   11.753905][  T254] FS:  00007f83d31b6840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   11.754201][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.754422][  T254] CR2: 000000000042ebe0 CR3: 0000000004dc5003 CR4: 0000000000771ef0
[   11.754671][  T254] PKRU: 55555554
[   11.754818][  T254] Call Trace:
[   11.754968][  T254]  <TASK>
[   11.755085][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.755313][  T254]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.755508][  T254]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.755657][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.755839][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.756017][  T254]  __dev_notify_flags (net/core/dev.c:9787)
[   11.756212][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.756400][  T254]  ? netif_change_name (net/core/dev.c:1495)
[   11.756581][  T254]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.756764][  T254]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.756979][  T254]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   11.757208][  T254]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.757394][  T254]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.757576][  T254]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.757771][  T254]  veth_newlink (drivers/net/veth.c:1871)
[   11.757953][  T254]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.758143][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.758325][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.758514][  T254]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.758710][  T254]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.758888][  T254]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.759074][  T254]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.759267][  T254]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.759455][  T254]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.759635][  T254]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.759815][  T254]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.759993][  T254]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.760186][  T254]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.760383][  T254]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.760567][  T254]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.760749][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.760927][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.761107][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.761297][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.761483][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.761665][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.761848][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.762027][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.762219][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.762403][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.762582][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.762764][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.762942][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.763136][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.763318][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.763506][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.763688][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.763866][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.764049][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.764241][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.764429][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.764618][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.764802][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.764985][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.765183][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.765366][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.765555][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.765768][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   11.765957][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   11.766147][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.766327][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.766528][  T254]  __sys_sendmsg (net/socket.c:2784)
[   11.766711][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.766891][  T254]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.767072][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.767274][  T254]  ? 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)
[   11.767465][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.767651][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.767833][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.768015][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.768211][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.768401][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.768617][  T254] RIP: 0033:0x7f83d33f008e
[   11.768806][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.769336][  T254] RSP: 002b:00007ffd594a1850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.769592][  T254] RAX: ffffffffffffffda RBX: 00007ffd594a1fe8 RCX: 00007f83d33f008e
[   11.769842][  T254] RDX: 0000000000000000 RSI: 00007ffd594a1900 RDI: 0000000000000005
[   11.770088][  T254] RBP: 00007ffd594a1860 R08: 0000000000000000 R09: 0000000000000000
[   11.770347][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e303
[   11.770604][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd594a1fc0
| [   11.785211][  T254] ------------[ cut here ]------------
| [   11.785362][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/254
| [   11.785604][  T254] Modules linked in:
| [   11.785983][  T254] Tainted: [W]=WARN
[   11.786084][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.786498][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.786677][  T254] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.787162][  T254] RSP: 0018:ffa0000000bc71b0 EFLAGS: 00010286
[   11.787332][  T254] RAX: 00000000ffffffa6 RBX: ff1100000da23e00 RCX: 1ff4000000178dfc
[   11.787539][  T254] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da23ebc
[   11.787738][  T254] RBP: ff1100000aa74000 R08: 1fe2200001b447d9 R09: ff1100000f47ae80
[   11.787939][  T254] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.788147][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   11.788348][  T254] FS:  00007f83d31b6840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   11.788589][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.788761][  T254] CR2: 00007fdbe3f4c2a0 CR3: 0000000004dc5002 CR4: 0000000000771ef0
[   11.788962][  T254] PKRU: 55555554
[   11.789062][  T254] Call Trace:
[   11.789166][  T254]  <TASK>
[   11.789237][  T254]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.789380][  T254]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.789484][  T254]  __dev_notify_flags (net/core/dev.c:9787)
[   11.789618][  T254]  ? netif_change_name (net/core/dev.c:1495)
[   11.789756][  T254]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.789889][  T254]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.790025][  T254]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.790165][  T254]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.790300][  T254]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.790440][  T254]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.790573][  T254]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.790714][  T254]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.790850][  T254]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.790985][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.791125][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.791258][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.791397][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.791531][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.791667][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.791803][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.791937][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.792071][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.792211][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.792345][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.792487][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.792620][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.792755][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.792889][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.793023][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.793167][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.793301][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.793442][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.793576][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.793709][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.793845][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.793979][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.794114][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.794297][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.794438][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.794572][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.794737][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   11.794875][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   11.795008][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.795147][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.795294][  T254]  __sys_sendmsg (net/socket.c:2784)
[   11.795436][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.795568][  T254]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.795701][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.795838][  T254]  ? 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)
[   11.795971][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.796105][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.796245][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.796384][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.796519][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.796652][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.796819][  T254] RIP: 0033:0x7f83d33f008e
[   11.796961][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.797447][  T254] RSP: 002b:00007ffd594a1850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.797647][  T254] RAX: ffffffffffffffda RBX: 00007ffd594a1fe8 RCX: 00007f83d33f008e
[   11.797846][  T254] RDX: 0000000000000000 RSI: 00007ffd594a1900 RDI: 0000000000000005
[   11.798044][  T254] RBP: 00007ffd594a1860 R08: 0000000000000000 R09: 0000000000000000
[   11.798246][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e303
[   11.798451][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd594a1fc0
| [   11.854441][  T256] ------------[ cut here ]------------
| [   11.854606][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/256
| [   11.854842][  T256] Modules linked in:
| [   11.855339][  T256] Tainted: [W]=WARN
[   11.855496][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.855738][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.855997][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.856520][  T256] RSP: 0018:ffa0000000be7020 EFLAGS: 00010286
[   11.856686][  T256] RAX: 00000000ffffffa6 RBX: ff1100000da22ac0 RCX: 1ff400000017cdca
[   11.856879][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da22b7c
[   11.857075][  T256] RBP: ff1100000aa74000 R08: 1fe2200001b44571 R09: ff1100000ff6ae58
[   11.857280][  T256] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.857482][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.857678][  T256] FS:  00007f9f6e4ed840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   11.857921][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.858083][  T256] CR2: 0000000019afa988 CR3: 0000000010070003 CR4: 0000000000771ef0
[   11.858285][  T256] PKRU: 55555554
[   11.858390][  T256] Call Trace:
[   11.858489][  T256]  <TASK>
[   11.858558][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.858695][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.858795][  T256]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.858933][  T256]  __dev_notify_flags (net/core/dev.c:9787)
[   11.859065][  T256]  ? netif_change_name (net/core/dev.c:1495)
[   11.859203][  T256]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.859334][  T256]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.859471][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.859602][  T256]  ? 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))
[   11.859739][  T256]  netif_change_flags (net/core/dev.c:9820)
[   11.859872][  T256]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.860003][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.860144][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.860276][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.860445][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.860576][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.860711][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.860840][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.860973][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   11.861106][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.861365][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.861503][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.861635][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.861769][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.861897][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.862025][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.862160][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.862294][  T256]  ? __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)
[   11.862450][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.862579][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.862711][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.862847][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.862983][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.863122][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.863250][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.863383][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.863514][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.863644][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.863776][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.863909][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.864039][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.864176][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.864307][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.864443][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.864574][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.864704][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.864838][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.864972][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.865102][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.865242][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.865380][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.865513][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.865645][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.865775][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.865911][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.866044][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.866180][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.866312][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.866451][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.866583][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.866717][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.866851][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.866986][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.867155][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.867288][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.867423][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.867556][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   11.867686][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.867853][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.867994][  T256]  __sys_sendmsg (net/socket.c:2784)
[   11.868131][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.868263][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.868439][  T256]  ? 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)
[   11.868570][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.868702][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.868834][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.868970][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.869100][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.869267][  T256] RIP: 0033:0x7f9f6e72708e
[   11.869410][  T256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.869879][  T256] RSP: 002b:00007ffc32239bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.870076][  T256] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9f6e72708e
[   11.870277][  T256] RDX: 0000000000000000 RSI: 00007ffc32239c70 RDI: 0000000000000005
[   11.870479][  T256] RBP: 00007ffc32239bd0 R08: 0000000000000000 R09: 0000000000000000
[   11.870677][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   11.870871][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3223a330
| [   11.941370][  T257] ------------[ cut here ]------------
| [   11.941575][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/257
| [   11.941850][  T257] Modules linked in:
| [   11.942333][  T257] Tainted: [W]=WARN
[   11.942493][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.942701][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.942917][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.943444][  T257] RSP: 0018:ffa0000000be6ff8 EFLAGS: 00010286
[   11.943658][  T257] RAX: 00000000ffffffa6 RBX: ff1100000de99000 RCX: 1ff400000017cdc5
[   11.943898][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de990bc
[   11.944151][  T257] RBP: ff11000008e79000 R08: 1fe2200001bd3219 R09: ff1100000ff6d158
[   11.944404][  T257] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.944645][  T257] R13: 0000000000000000 R14: ffa0000000be7140 R15: ff1100000d2fadd0
[   11.944887][  T257] FS:  00007fe3ea3c9840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   11.945196][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.945417][  T257] CR2: 0000000021eb6988 CR3: 0000000004d71006 CR4: 0000000000771ef0
[   11.945661][  T257] PKRU: 55555554
[   11.945806][  T257] Call Trace:
[   11.945950][  T257]  <TASK>
[   11.946065][  T257]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   11.946259][  T257]  __dev_change_net_namespace (net/core/dev.c:12635)
[   11.946479][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.946661][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.946841][  T257]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.947048][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.947234][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.947420][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.947621][  T257]  ? 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))
[   11.947800][  T257]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.947982][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.948173][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.948352][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.948566][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.948740][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.948914][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.949088][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.949279][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   11.949465][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.949643][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.949816][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.949991][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.950180][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.950354][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.950535][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.950712][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.950887][  T257]  ? __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)
[   11.951060][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.951248][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.951431][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.951607][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.951787][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.951968][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.952157][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.952329][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.952514][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.952690][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.952862][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.953039][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.953228][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.953414][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.953591][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.953766][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.953943][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.954131][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.954307][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.954484][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.954661][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.954834][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.955009][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.955197][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.955372][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.955559][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.955732][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.955910][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.956091][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.956278][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.956465][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.956645][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.956822][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.956998][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.957188][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.957363][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.957579][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   11.957754][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.957928][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.958102][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   11.958288][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.958504][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.958695][  T257]  __sys_sendmsg (net/socket.c:2784)
[   11.958870][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.959043][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.959264][  T257]  ? 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)
[   11.959448][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.959628][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.959803][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.959976][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.960167][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.960372][  T257] RIP: 0033:0x7fe3ea60308e
[   11.960562][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.961054][  T257] RSP: 002b:00007ffdd04bd590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.961307][  T257] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe3ea60308e
[   11.961546][  T257] RDX: 0000000000000000 RSI: 00007ffdd04bd640 RDI: 0000000000000005
[   11.961779][  T257] RBP: 00007ffdd04bd5a0 R08: 0000000000000000 R09: 0000000000000000
[   11.962013][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   11.962263][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd04bdd00
| [   11.965785][  T257] ------------[ cut here ]------------
| [   11.965964][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/257
| [   11.966252][  T257] Modules linked in:
| [   11.966717][  T257] Tainted: [W]=WARN
[   11.966862][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.967073][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.967304][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.967809][  T257] RSP: 0018:ffa0000000be6fc0 EFLAGS: 00010286
[   11.968019][  T257] RAX: 00000000ffffffa6 RBX: ff1100000de98900 RCX: 1ff400000017cdbe
[   11.968275][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de989bc
[   11.968517][  T257] RBP: ff11000008e79000 R08: 1fe2200001bd3139 R09: ff1100000ff6d158
[   11.968755][  T257] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.968992][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2fadd0
[   11.969249][  T257] FS:  00007fe3ea3c9840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   11.969529][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.969738][  T257] CR2: 0000000021eb6988 CR3: 0000000004d71006 CR4: 0000000000771ef0
[   11.969979][  T257] PKRU: 55555554
[   11.970137][  T257] Call Trace:
[   11.970280][  T257]  <TASK>
[   11.970403][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.970582][  T257]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.970763][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.970911][  T257]  __dev_change_net_namespace (net/core/dev.c:12695)
[   11.971134][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.971310][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.971504][  T257]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.971723][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.971899][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.972078][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.972267][  T257]  ? 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))
[   11.972455][  T257]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.972635][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.972815][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.972998][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.973223][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.973408][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.973586][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.973763][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.973941][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   11.974133][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.974319][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.974505][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.974685][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.974863][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.975043][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.975231][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.975418][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.975603][  T257]  ? __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)
[   11.975781][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.975961][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.976153][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.976331][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.976521][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.976702][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.976882][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.977062][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.977254][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.977443][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.977622][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.977802][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.977978][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.978169][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.978349][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.978541][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.978720][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.978898][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.979074][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.979264][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.979450][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.979626][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.979808][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.979987][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.980178][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.980358][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.980543][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.980722][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.980901][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.981079][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.981270][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.981457][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.981635][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.981820][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.981999][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.982188][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.982399][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   11.982583][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.982760][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.982938][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   11.983127][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.983337][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.983535][  T257]  __sys_sendmsg (net/socket.c:2784)
[   11.983715][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.983892][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.984104][  T257]  ? 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)
[   11.984293][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.984485][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.984667][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.984846][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.985024][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.985246][  T257] RIP: 0033:0x7fe3ea60308e
[   11.985440][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.985948][  T257] RSP: 002b:00007ffdd04bd590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.986206][  T257] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe3ea60308e
[   11.986453][  T257] RDX: 0000000000000000 RSI: 00007ffdd04bd640 RDI: 0000000000000005
[   11.986693][  T257] RBP: 00007ffdd04bd5a0 R08: 0000000000000000 R09: 0000000000000000
[   11.986933][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   11.987186][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd04bdd00
| [   11.989998][  T257] ------------[ cut here ]------------
| [   11.990251][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/257
| [   11.990594][  T257] Modules linked in:
| [   11.991177][  T257] Tainted: [W]=WARN
[   11.991336][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.991553][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.991773][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.992301][  T257] RSP: 0018:ffa0000000be7038 EFLAGS: 00010286
[   11.992519][  T257] RAX: 00000000ffffffa6 RBX: ff1100000de98c80 RCX: 1ff400000017cdcd
[   11.992760][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de98d3c
[   11.993006][  T257] RBP: ff11000008e79000 R08: 1fe2200001bd31a9 R09: ff1100000ff6d158
[   11.993261][  T257] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   11.993512][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   11.993756][  T257] FS:  00007fe3ea3c9840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   11.994033][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.994258][  T257] CR2: 0000000021eb6988 CR3: 0000000004d71006 CR4: 0000000000771ef0
[   11.994510][  T257] PKRU: 55555554
[   11.994657][  T257] Call Trace:
[   11.994801][  T257]  <TASK>
[   11.994915][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.995094][  T257]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.995290][  T257]  notifier_call_chain (kernel/notifier.c:85)
[   11.995479][  T257]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.995655][  T257]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.995867][  T257]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.996075][  T257]  ? 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))
[   11.996265][  T257]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.996455][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.996639][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.996817][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.997045][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.997232][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.997417][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.997593][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.997770][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   11.997953][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.998147][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.998325][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.998513][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.998691][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.998866][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.999042][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.999235][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.999420][  T257]  ? __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)
[   11.999596][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.999778][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.999958][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.000147][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.000329][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.000523][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.000710][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.000887][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.001066][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.001257][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.001444][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.001628][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.001805][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.001985][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.002177][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.002355][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.002544][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.002722][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.002899][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.003076][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.003270][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.003455][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.003633][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.003810][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.003987][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.004180][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.004355][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.004543][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.004723][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.004902][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.005079][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.005270][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.005456][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.005635][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.005812][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.005988][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.006211][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.006397][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.006574][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.006753][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.006929][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.007153][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.007342][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.007529][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.007707][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.007918][  T257]  ? 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)
[   12.008095][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.008290][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.008483][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.008664][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.008843][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.009053][  T257] RIP: 0033:0x7fe3ea60308e
[   12.009248][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.009760][  T257] RSP: 002b:00007ffdd04bd590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.010006][  T257] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe3ea60308e
[   12.010259][  T257] RDX: 0000000000000000 RSI: 00007ffdd04bd640 RDI: 0000000000000005
[   12.010504][  T257] RBP: 00007ffdd04bd5a0 R08: 0000000000000000 R09: 0000000000000000
[   12.010743][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.010986][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd04bdd00
| [   12.071600][  T258] ------------[ cut here ]------------
| [   12.071753][  T258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/258
| [   12.071984][  T258] Modules linked in:
| [   12.072568][  T258] Tainted: [W]=WARN
[   12.072670][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.072838][  T258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.073011][  T258] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.073568][  T258] RSP: 0018:ffa0000000bf7020 EFLAGS: 00010286
[   12.073735][  T258] RAX: 00000000ffffffa6 RBX: ff1100000a14f540 RCX: 1ff400000017edca
[   12.073932][  T258] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14f5fc
[   12.074203][  T258] RBP: ff11000008e79000 R08: 1fe2200001429ec1 R09: ff1100000c24d158
[   12.074406][  T258] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.074601][  T258] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.074887][  T258] FS:  00007fae0494d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   12.075208][  T258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.075371][  T258] CR2: 000000003b4a1988 CR3: 0000000004c53004 CR4: 0000000000771ef0
[   12.075571][  T258] PKRU: 55555554
[   12.075669][  T258] Call Trace:
[   12.075767][  T258]  <TASK>
[   12.075837][  T258]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.075970][  T258]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.076069][  T258]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.076276][  T258]  __dev_notify_flags (net/core/dev.c:9787)
[   12.076412][  T258]  ? netif_change_name (net/core/dev.c:1495)
[   12.076542][  T258]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.076674][  T258]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.076804][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.076934][  T258]  ? 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))
[   12.077066][  T258]  netif_change_flags (net/core/dev.c:9820)
[   12.077253][  T258]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.077387][  T258]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.077521][  T258]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.077652][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.077816][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.077946][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.078077][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.078263][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.078399][  T258]  ? __kernel_text_address (kernel/extable.c:79)
[   12.078530][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.078663][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.078795][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.078926][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.079057][  T258]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.079242][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.079372][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.079508][  T258]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.079649][  T258]  ? __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)
[   12.079782][  T258]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.079912][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.080044][  T258]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.080237][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.080370][  T258]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.080507][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.080637][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.080767][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.080899][  T258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.081030][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.081223][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.081353][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.081488][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.081619][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.081752][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.081882][  T258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.082012][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.082148][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.082279][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.082417][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.082549][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.082681][  T258]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.082812][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.082942][  T258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.083077][  T258]  ? 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))
[   12.083213][  T258]  ? 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))
[   12.083346][  T258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.083487][  T258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.083619][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.083749][  T258]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.083881][  T258]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.084013][  T258]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.084153][  T258]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.084285][  T258]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.084419][  T258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.084580][  T258]  ? move_addr_to_kernel (net/socket.c:258)
[   12.084712][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.084842][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.084974][  T258]  ___sys_sendmsg (net/socket.c:2752)
[   12.085104][  T258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.085274][  T258]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.085423][  T258]  __sys_sendmsg (net/socket.c:2784)
[   12.085554][  T258]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.085685][  T258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.085848][  T258]  ? 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)
[   12.085981][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.086114][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.086253][  T258]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.086387][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.086520][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.086681][  T258] RIP: 0033:0x7fae04b8708e
[   12.086820][  T258] 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
[   12.087293][  T258] RSP: 002b:00007fffa699fcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.087498][  T258] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fae04b8708e
[   12.087693][  T258] RDX: 0000000000000000 RSI: 00007fffa699fda0 RDI: 0000000000000005
[   12.087891][  T258] RBP: 00007fffa699fd00 R08: 0000000000000000 R09: 0000000000000000
[   12.088086][  T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.088291][  T258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa69a0460
| [   12.090694][   T45] ------------[ cut here ]------------
| [   12.090894][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/45
| [   12.091198][   T45] Modules linked in:
| [   12.091775][   T45] Tainted: [W]=WARN
[   12.091912][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.092112][   T45] Workqueue: events_unbound linkwatch_event
[   12.092517][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.092718][   T45] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.093245][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   12.093458][   T45] RAX: 00000000ffffffa6 RBX: ff1100000a14eac0 RCX: 1ff4000000063f02
[   12.093681][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14eb7c
[   12.093906][   T45] RBP: ff11000008e79000 R08: 1fe2200001429d71 R09: ff110000020051a8
[   12.094141][   T45] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.094367][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.094602][   T45] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   12.094863][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.095061][   T45] CR2: 0000000021eb6988 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   12.095305][   T45] PKRU: 55555554
[   12.095449][   T45] Call Trace:
[   12.095585][   T45]  <TASK>
[   12.095693][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.095858][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.096028][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.096181][   T45]  netif_state_change (net/core/dev.c:1605)
[   12.096348][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.096551][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.096716][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.096882][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.097051][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.097230][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.097412][   T45]  process_one_work (kernel/workqueue.c:3314)
[   12.097588][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.097758][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.097932][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.098109][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.098293][   T45]  kthread (kernel/kthread.c:436)
[   12.098442][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.098647][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.098819][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.098993][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.099209][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.099388][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.099560][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.102235][   T45] ------------[ cut here ]------------
| [   12.102410][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/45
| [   12.102709][   T45] Modules linked in:
| [   12.103205][   T45] Tainted: [W]=WARN
[   12.103354][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.103580][   T45] Workqueue: events_unbound linkwatch_event
[   12.103786][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.103993][   T45] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.104528][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   12.104731][   T45] RAX: 00000000ffffffa6 RBX: ff1100000daa0c80 RCX: 1ff4000000063f02
[   12.104966][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa0d3c
[   12.105215][   T45] RBP: ff1100000aa74000 R08: 1fe2200001b541a9 R09: ff110000020051a8
[   12.105450][   T45] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.105680][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.105911][   T45] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   12.106190][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.106398][   T45] CR2: 0000000021eb6988 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   12.106641][   T45] PKRU: 55555554
[   12.106780][   T45] Call Trace:
[   12.106919][   T45]  <TASK>
[   12.107030][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.107221][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.107402][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.107545][   T45]  netif_state_change (net/core/dev.c:1605)
[   12.107719][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.107922][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.108094][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.108283][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.108501][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.108680][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.108866][   T45]  process_one_work (kernel/workqueue.c:3314)
[   12.109044][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.109227][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.109413][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.109589][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.109765][   T45]  kthread (kernel/kthread.c:436)
[   12.109907][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.110112][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.110300][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.110482][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.110684][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.110858][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.111035][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.304385][  T262] ------------[ cut here ]------------
| [   12.304612][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/262
| [   12.304908][  T262] Modules linked in:
| [   12.305411][  T262] Tainted: [W]=WARN
[   12.305566][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.305784][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.306014][  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
[   12.306572][  T262] RSP: 0018:ffa0000000c16e30 EFLAGS: 00010286
[   12.306793][  T262] RAX: 00000000ffffffa6 RBX: ff1100000d962040 RCX: 1ff4000000182d8c
[   12.307049][  T262] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9620fc
[   12.307316][  T262] RBP: ff11000005b8c000 R08: 1fe2200001b2c421 R09: ff1100000f312e80
[   12.307579][  T262] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.307830][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000061b3880
[   12.308089][  T262] FS:  00007f711a666840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   12.308401][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.308624][  T262] CR2: 000000000042ebe0 CR3: 0000000005069001 CR4: 0000000000771ef0
[   12.308878][  T262] PKRU: 55555554
[   12.309028][  T262] Call Trace:
[   12.309190][  T262]  <TASK>
[   12.309311][  T262]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.309515][  T262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.309669][  T262]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.309888][  T262]  __dev_notify_flags (net/core/dev.c:9787)
[   12.310076][  T262]  ? netif_change_name (net/core/dev.c:1495)
[   12.310273][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.310468][  T262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.310655][  T262]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.310845][  T262]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.311031][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.311231][  T262]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.311426][  T262]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.311612][  T262]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.311797][  T262]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.311985][  T262]  veth_newlink (drivers/net/veth.c:1871)
[   12.312187][  T262]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.312371][  T262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.312565][  T262]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.312749][  T262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.312950][  T262]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.313146][  T262]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.313335][  T262]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.313551][  T262]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.313738][  T262]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.313926][  T262]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.314114][  T262]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.314314][  T262]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.314507][  T262]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.314698][  T262]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.314888][  T262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.315079][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.315273][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.315469][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.315657][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.315843][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.316033][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.316232][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.316426][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.316612][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.316797][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.316980][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.317180][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.317364][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.317562][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.317747][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.317937][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.318143][  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))
[   12.318346][  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))
[   12.318540][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.318727][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.318912][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.319099][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.319303][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.319493][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.319682][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.319869][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.320053][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.320283][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   12.320480][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   12.320668][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.320856][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.321050][  T262]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.321252][  T262]  __sys_sendmsg (net/socket.c:2784)
[   12.321448][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.321642][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.321830][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.322017][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.322219][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.322414][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.322602][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.322820][  T262] RIP: 0033:0x7f711a8a008e
[   12.323013][  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
[   12.323572][  T262] RSP: 002b:00007ffd06ae8740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.323828][  T262] RAX: ffffffffffffffda RBX: 00007ffd06ae8ed8 RCX: 00007f711a8a008e
[   12.324081][  T262] RDX: 0000000000000000 RSI: 00007ffd06ae87f0 RDI: 0000000000000005
[   12.324342][  T262] RBP: 00007ffd06ae8750 R08: 0000000000000000 R09: 0000000000000000
[   12.324602][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.324852][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd06ae8eb0
| [   12.333626][  T262] ------------[ cut here ]------------
| [   12.334329][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/262
| [   12.334790][  T262] Modules linked in:
| [   12.335437][  T262] Tainted: [W]=WARN
[   12.335645][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.335920][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.336220][  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
[   12.336815][  T262] RSP: 0018:ffa0000000c171b0 EFLAGS: 00010286
[   12.337091][  T262] RAX: 00000000ffffffa6 RBX: ff110000029b5000 RCX: 1ff4000000182dfc
[   12.337417][  T262] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029b50bc
[   12.337724][  T262] RBP: ff11000005b89000 R08: 1fe2200000536a19 R09: ff1100000f312e80
[   12.338028][  T262] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.338348][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   12.338664][  T262] FS:  00007f711a666840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   12.339004][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.339290][  T262] CR2: 000000000042ebe0 CR3: 0000000005069001 CR4: 0000000000771ef0
[   12.339610][  T262] PKRU: 55555554
[   12.339816][  T262] Call Trace:
[   12.340018][  T262]  <TASK>
[   12.340203][  T262]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.340453][  T262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.340666][  T262]  __dev_notify_flags (net/core/dev.c:9787)
[   12.340906][  T262]  ? netif_change_name (net/core/dev.c:1495)
[   12.341160][  T262]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.341410][  T262]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.341653][  T262]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.341893][  T262]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.342147][  T262]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.342394][  T262]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.342635][  T262]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.342883][  T262]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.343154][  T262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.343407][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.343606][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.343787][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.343971][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.344168][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.344359][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.344552][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.344739][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.344929][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.345128][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.345314][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.345514][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.345699][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.345884][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.346069][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.346267][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.346462][  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))
[   12.346646][  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))
[   12.346834][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.347020][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.347219][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.347412][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.347599][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.347788][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.347974][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.348169][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.348354][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.348577][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   12.348766][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   12.348949][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.349148][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.349341][  T262]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.349532][  T262]  __sys_sendmsg (net/socket.c:2784)
[   12.349716][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.349903][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.350086][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.350283][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.350476][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.350665][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.350851][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.351066][  T262] RIP: 0033:0x7f711a8a008e
[   12.351270][  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
[   12.351812][  T262] RSP: 002b:00007ffd06ae8740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.352064][  T262] RAX: ffffffffffffffda RBX: 00007ffd06ae8ed8 RCX: 00007f711a8a008e
[   12.352328][  T262] RDX: 0000000000000000 RSI: 00007ffd06ae87f0 RDI: 0000000000000005
[   12.352587][  T262] RBP: 00007ffd06ae8750 R08: 0000000000000000 R09: 0000000000000000
[   12.352839][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.353090][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd06ae8eb0
| [   12.411052][  T263] ------------[ cut here ]------------
| [   12.411219][  T263] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/263
| [   12.411453][  T263] Modules linked in:
| [   12.411846][  T263] Tainted: [W]=WARN
[   12.411946][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.412111][  T263] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.412293][  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
[   12.412771][  T263] RSP: 0018:ffa0000000c27020 EFLAGS: 00010286
[   12.412937][  T263] RAX: 00000000ffffffa6 RBX: ff110000029b5a80 RCX: 1ff4000000184dca
[   12.413140][  T263] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029b5b3c
[   12.413341][  T263] RBP: ff11000005b89000 R08: 1fe2200000536b69 R09: ff1100000f310b58
[   12.413541][  T263] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.413735][  T263] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.413933][  T263] FS:  00007f133f663840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   12.414167][  T263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.414332][  T263] CR2: 0000000022e56988 CR3: 0000000004ca5006 CR4: 0000000000771ef0
[   12.414535][  T263] PKRU: 55555554
[   12.414633][  T263] Call Trace:
[   12.414731][  T263]  <TASK>
[   12.414799][  T263]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.414933][  T263]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.415035][  T263]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.415173][  T263]  __dev_notify_flags (net/core/dev.c:9787)
[   12.415306][  T263]  ? netif_change_name (net/core/dev.c:1495)
[   12.415442][  T263]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.415574][  T263]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.415704][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.415836][  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))
[   12.415974][  T263]  netif_change_flags (net/core/dev.c:9820)
[   12.416107][  T263]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.416625][  T263]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.416760][  T263]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.416893][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.417059][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.417196][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.417329][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.417466][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.417599][  T263]  ? __kernel_text_address (kernel/extable.c:79)
[   12.417732][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.417865][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.417995][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.418131][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.418264][  T263]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.418399][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.418531][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.418662][  T263]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.418794][  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)
[   12.418926][  T263]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.419057][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.419195][  T263]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.419331][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.419472][  T263]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.419604][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.419733][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.419862][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.419992][  T263]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.420128][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.420263][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.420397][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.420526][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.420657][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.420789][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.420920][  T263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.421051][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.421189][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.421319][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.421455][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.421584][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.421717][  T263]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.421848][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.421979][  T263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.422115][  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))
[   12.422250][  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))
[   12.422389][  T263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.422522][  T263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.422653][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.422787][  T263]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.422920][  T263]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.423052][  T263]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.423194][  T263]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.423327][  T263]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.423463][  T263]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.423626][  T263]  ? move_addr_to_kernel (net/socket.c:258)
[   12.423758][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.423888][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.424021][  T263]  ___sys_sendmsg (net/socket.c:2752)
[   12.424157][  T263]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.424322][  T263]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.424471][  T263]  __sys_sendmsg (net/socket.c:2784)
[   12.424601][  T263]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.424731][  T263]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.424896][  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)
[   12.425028][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.425164][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.425297][  T263]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.425435][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.425567][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.425730][  T263] RIP: 0033:0x7f133f89d08e
[   12.425869][  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
[   12.426347][  T263] RSP: 002b:00007ffe3418a010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.426551][  T263] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f133f89d08e
[   12.426747][  T263] RDX: 0000000000000000 RSI: 00007ffe3418a0c0 RDI: 0000000000000005
[   12.426945][  T263] RBP: 00007ffe3418a020 R08: 0000000000000000 R09: 0000000000000000
[   12.427152][  T263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.427348][  T263] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3418a780
| [   12.482444][  T264] ------------[ cut here ]------------
| [   12.482712][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/264
| [   12.483140][  T264] Modules linked in:
| [   12.483821][  T264] Tainted: [W]=WARN
[   12.484025][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.484348][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.484678][  T264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.485598][  T264] RSP: 0018:ffa0000000c36ff8 EFLAGS: 00010286
[   12.485904][  T264] RAX: 00000000ffffffa6 RBX: ff11000009af0e40 RCX: 1ff4000000186dc5
[   12.486276][  T264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009af0efc
[   12.486633][  T264] RBP: ff11000005b8c000 R08: 1fe220000135e1e1 R09: ff1100000fc8d158
[   12.486988][  T264] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.487360][  T264] R13: 0000000000000000 R14: ffa0000000c37140 R15: ff1100000ce5dc50
[   12.487725][  T264] FS:  00007f5aa3149840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   12.488159][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.488477][  T264] CR2: 0000000006e6f988 CR3: 000000000b5bf005 CR4: 0000000000771ef0
[   12.488837][  T264] PKRU: 55555554
[   12.489039][  T264] Call Trace:
[   12.489258][  T264]  <TASK>
[   12.489429][  T264]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   12.489693][  T264]  __dev_change_net_namespace (net/core/dev.c:12635)
[   12.490008][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.490277][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.490540][  T264]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.490847][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.491103][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.491383][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.491641][  T264]  ? 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))
[   12.491899][  T264]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.492174][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.492441][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.492702][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.493010][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.493279][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.493548][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.493805][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.494060][  T264]  ? __kernel_text_address (kernel/extable.c:79)
[   12.494334][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.494612][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.494867][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.495141][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.495404][  T264]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.495654][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.495906][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.496179][  T264]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.496454][  T264]  ? __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)
[   12.496712][  T264]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.496972][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.497247][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.497514][  T264]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.497777][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.498047][  T264]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.498320][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.498586][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.498838][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.499090][  T264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.499358][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.499625][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.499880][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.500151][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.500415][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.500678][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.500934][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.501206][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.501474][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.501734][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.502025][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.502296][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.502570][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.502826][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.503080][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.503274][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.503455][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.503631][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.503805][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.503990][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.504182][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.504359][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.504541][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.504715][  T264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.504889][  T264]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.505059][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.505282][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   12.505531][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.505715][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.505890][  T264]  ___sys_sendmsg (net/socket.c:2752)
[   12.506061][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.506279][  T264]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.506474][  T264]  __sys_sendmsg (net/socket.c:2784)
[   12.506652][  T264]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.506829][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.507035][  T264]  ? 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)
[   12.507223][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.507405][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.507579][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.507752][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.507928][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.508143][  T264] RIP: 0033:0x7f5aa338308e
[   12.508325][  T264] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.508826][  T264] RSP: 002b:00007ffc56b912a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.509064][  T264] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5aa338308e
[   12.509314][  T264] RDX: 0000000000000000 RSI: 00007ffc56b91350 RDI: 0000000000000005
[   12.509558][  T264] RBP: 00007ffc56b912b0 R08: 0000000000000000 R09: 0000000000000000
[   12.509790][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.510025][  T264] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc56b91a10
| [   12.513307][  T264] ------------[ cut here ]------------
| [   12.513484][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/264
| [   12.513752][  T264] Modules linked in:
| [   12.514217][  T264] Tainted: [W]=WARN
[   12.514360][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.514582][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.514798][  T264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.515310][  T264] RSP: 0018:ffa0000000c36fc0 EFLAGS: 00010286
[   12.515526][  T264] RAX: 00000000ffffffa6 RBX: ff11000009af1c40 RCX: 1ff4000000186dbe
[   12.515766][  T264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009af1cfc
[   12.516004][  T264] RBP: ff11000005b8c000 R08: 1fe220000135e3a1 R09: ff1100000fc8d158
[   12.516255][  T264] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.516497][  T264] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce5dc50
[   12.516740][  T264] FS:  00007f5aa3149840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   12.517011][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.517231][  T264] CR2: 0000000006e6f988 CR3: 000000000b5bf005 CR4: 0000000000771ef0
[   12.517476][  T264] PKRU: 55555554
[   12.517618][  T264] Call Trace:
[   12.517763][  T264]  <TASK>
[   12.517876][  T264]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.518051][  T264]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.518243][  T264]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.518395][  T264]  __dev_change_net_namespace (net/core/dev.c:12695)
[   12.518602][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.518776][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.518955][  T264]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.519172][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.519346][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.519531][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.519707][  T264]  ? 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))
[   12.519883][  T264]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.520062][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.520256][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.520440][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.520649][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.520828][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.521003][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.521192][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.521370][  T264]  ? __kernel_text_address (kernel/extable.c:79)
[   12.521554][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.521731][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.521908][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.522083][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.522268][  T264]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.522452][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.522628][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.522803][  T264]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.522980][  T264]  ? __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)
[   12.523167][  T264]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.523346][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.523536][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.523714][  T264]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.523892][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.524071][  T264]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.524263][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.524445][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.524625][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.524805][  T264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.524980][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.525171][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.525345][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.525526][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.525701][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.525877][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.526058][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.526245][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.526424][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.526600][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.526776][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.526949][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.527141][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.527317][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.527505][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.527684][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.527858][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.528036][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.528228][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.528414][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.528592][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.528769][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.528948][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.529136][  T264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.529311][  T264]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.529498][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.529706][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   12.529883][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.530058][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.530251][  T264]  ___sys_sendmsg (net/socket.c:2752)
[   12.530435][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.530647][  T264]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.530834][  T264]  __sys_sendmsg (net/socket.c:2784)
[   12.531009][  T264]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.531196][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.531412][  T264]  ? 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)
[   12.531592][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.531768][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.531946][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.532133][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.532309][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.532521][  T264] RIP: 0033:0x7f5aa338308e
[   12.532701][  T264] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.533220][  T264] RSP: 002b:00007ffc56b912a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.533468][  T264] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5aa338308e
[   12.533704][  T264] RDX: 0000000000000000 RSI: 00007ffc56b91350 RDI: 0000000000000005
[   12.533947][  T264] RBP: 00007ffc56b912b0 R08: 0000000000000000 R09: 0000000000000000
[   12.534198][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.534443][  T264] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc56b91a10
| [   12.536868][  T264] ------------[ cut here ]------------
| [   12.537034][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/264
| [   12.537326][  T264] Modules linked in:
| [   12.537785][  T264] Tainted: [W]=WARN
[   12.537928][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.538210][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.538491][  T264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.539058][  T264] RSP: 0018:ffa0000000c37038 EFLAGS: 00010286
[   12.539331][  T264] RAX: 00000000ffffffa6 RBX: ff1100000b904040 RCX: 1ff4000000186dcd
[   12.539635][  T264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9040fc
[   12.539927][  T264] RBP: ff11000005b8c000 R08: 1fe2200001720821 R09: ff1100000fc8d158
[   12.540228][  T264] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.540526][  T264] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   12.540815][  T264] FS:  00007f5aa3149840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   12.541154][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.541423][  T264] CR2: 0000000006e6f988 CR3: 000000000b5bf005 CR4: 0000000000771ef0
[   12.541715][  T264] PKRU: 55555554
[   12.541910][  T264] Call Trace:
[   12.542104][  T264]  <TASK>
[   12.542282][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.542523][  T264]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.542753][  T264]  notifier_call_chain (kernel/notifier.c:85)
[   12.542986][  T264]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   12.543223][  T264]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.543492][  T264]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   12.543753][  T264]  ? 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))
[   12.543986][  T264]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.544225][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   12.544462][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.544699][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.544958][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.545198][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.545440][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.545669][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.545896][  T264]  ? __kernel_text_address (kernel/extable.c:79)
[   12.546139][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.546374][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.546609][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.546842][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.547069][  T264]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.547311][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.547542][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.547769][  T264]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.548001][  T264]  ? __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)
[   12.548338][  T264]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.548682][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.549009][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.549347][  T264]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.549588][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.549818][  T264]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.550046][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.550293][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.550532][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.550763][  T264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.550989][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.551229][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.551462][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.551638][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.551819][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.551999][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.552188][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.552363][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.552544][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.552717][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.552896][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.553068][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.553262][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.553446][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.553624][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.553804][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.553976][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.554169][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.554345][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.554524][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.554703][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.554878][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.555054][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.555247][  T264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.555427][  T264]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.555601][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.555804][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   12.555984][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.556168][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.556344][  T264]  ___sys_sendmsg (net/socket.c:2752)
[   12.556528][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.556738][  T264]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.556923][  T264]  __sys_sendmsg (net/socket.c:2784)
[   12.557098][  T264]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.557288][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.557507][  T264]  ? 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)
[   12.557686][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.557861][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.558034][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.558223][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.558407][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.558612][  T264] RIP: 0033:0x7f5aa338308e
[   12.558799][  T264] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.559308][  T264] RSP: 002b:00007ffc56b912a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.559554][  T264] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5aa338308e
[   12.559796][  T264] RDX: 0000000000000000 RSI: 00007ffc56b91350 RDI: 0000000000000005
[   12.560031][  T264] RBP: 00007ffc56b912b0 R08: 0000000000000000 R09: 0000000000000000
[   12.560280][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.560524][  T264] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc56b91a10
| [   12.631775][  T265] ------------[ cut here ]------------
| [   12.631929][  T265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/265
| [   12.632632][  T265] Modules linked in:
| [   12.633007][  T265] Tainted: [W]=WARN
[   12.633107][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.633364][  T265] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.633547][  T265] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.634019][  T265] RSP: 0018:ffa0000000c47020 EFLAGS: 00010286
[   12.634257][  T265] RAX: 00000000ffffffa6 RBX: ff1100000b9051c0 RCX: 1ff4000000188dca
[   12.634458][  T265] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b90527c
[   12.634654][  T265] RBP: ff11000005b8c000 R08: 1fe2200001720a51 R09: ff1100000fc8ae58
[   12.634938][  T265] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.635202][  T265] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.635404][  T265] FS:  00007f964f0ec840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   12.635634][  T265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.635800][  T265] CR2: 000000000d58e988 CR3: 0000000009821005 CR4: 0000000000771ef0
[   12.635999][  T265] PKRU: 55555554
[   12.636099][  T265] Call Trace:
[   12.636253][  T265]  <TASK>
[   12.636323][  T265]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.636460][  T265]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.636559][  T265]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.636689][  T265]  __dev_notify_flags (net/core/dev.c:9787)
[   12.636822][  T265]  ? netif_change_name (net/core/dev.c:1495)
[   12.636953][  T265]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.637083][  T265]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.637256][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.637393][  T265]  ? 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))
[   12.637527][  T265]  netif_change_flags (net/core/dev.c:9820)
[   12.637659][  T265]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.637790][  T265]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.637924][  T265]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.638053][  T265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.638220][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.638351][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.638487][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.638616][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.638748][  T265]  ? __kernel_text_address (kernel/extable.c:79)
[   12.638878][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.639012][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.639148][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.639279][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.639417][  T265]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.639546][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.639673][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.639805][  T265]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.639935][  T265]  ? __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)
[   12.640065][  T265]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.640205][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.640337][  T265]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.640478][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.640611][  T265]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.640743][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.640875][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.641004][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.641139][  T265]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.641270][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.641409][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.641538][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.641667][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.641798][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.641929][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.642059][  T265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.642193][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.642322][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.642456][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.642587][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.642716][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.642849][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.642979][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.643109][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.643250][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.643388][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.643559][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.643690][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.643821][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.643951][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.644090][  T265]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.644292][  T265]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.644502][  T265]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.644704][  T265]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.644906][  T265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.645157][  T265]  ? move_addr_to_kernel (net/socket.c:258)
[   12.645315][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.645452][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.645584][  T265]  ___sys_sendmsg (net/socket.c:2752)
[   12.645714][  T265]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.645876][  T265]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.646018][  T265]  __sys_sendmsg (net/socket.c:2784)
[   12.646154][  T265]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.646287][  T265]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.646456][  T265]  ? 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)
[   12.646587][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.646719][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.646849][  T265]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.646980][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.647111][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.647280][  T265] RIP: 0033:0x7f964f32608e
[   12.647422][  T265] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.647996][  T265] RSP: 002b:00007ffe4cfae4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.648197][  T265] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f964f32608e
[   12.648401][  T265] RDX: 0000000000000000 RSI: 00007ffe4cfae5a0 RDI: 0000000000000005
[   12.648595][  T265] RBP: 00007ffe4cfae500 R08: 0000000000000000 R09: 0000000000000000
[   12.648789][  T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e304
[   12.648984][  T265] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4cfaec60
| [   12.651053][   T56] ------------[ cut here ]------------
| [   12.651196][   T56] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/56
| [   12.651448][   T56] Modules linked in:
| [   12.651818][   T56] Tainted: [W]=WARN
[   12.651909][   T56] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.652059][   T56] Workqueue: events_unbound linkwatch_event
[   12.652222][   T56] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.652387][   T56] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.652850][   T56] RSP: 0018:ffa00000003cf9e0 EFLAGS: 00010286
[   12.653064][   T56] RAX: 00000000ffffffa6 RBX: ff1100000b905c40 RCX: 1ff4000000079f02
[   12.653264][   T56] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b905cfc
[   12.653449][   T56] RBP: ff11000005b8c000 R08: 1fe2200001720ba1 R09: ff110000052eaea8
[   12.653626][   T56] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.653804][   T56] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.653985][   T56] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   12.654205][   T56] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.654356][   T56] CR2: 00007fc28d0aa600 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   12.654540][   T56] PKRU: 55555554
[   12.654630][   T56] Call Trace:
[   12.654725][   T56]  <TASK>
[   12.654789][   T56]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.654911][   T56]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.655032][   T56]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.655129][   T56]  netif_state_change (net/core/dev.c:1605)
[   12.655251][   T56]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.655411][   T56]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.655532][   T56]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.655654][   T56]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.655776][   T56]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.655895][   T56]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.656014][   T56]  process_one_work (kernel/workqueue.c:3314)
[   12.656145][   T56]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.656264][   T56]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.656402][   T56]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.656523][   T56]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.656642][   T56]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.656763][   T56]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.656882][   T56]  kthread (kernel/kthread.c:436)
[   12.656971][   T56]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.657128][   T56]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.657248][   T56]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.657370][   T56]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.657527][   T56]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.657649][   T56]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.657768][   T56]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.659586][   T56] ------------[ cut here ]------------
| [   12.659718][   T56] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/56
| [   12.659955][   T56] Modules linked in:
| [   12.660936][   T56] Tainted: [W]=WARN
[   12.661034][   T56] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.661244][   T56] Workqueue: events_unbound linkwatch_event
[   12.661407][   T56] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.661565][   T56] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.662003][   T56] RSP: 0018:ffa00000003cf9e0 EFLAGS: 00010286
[   12.662215][   T56] RAX: 00000000ffffffa6 RBX: ff1100000dd43a80 RCX: 1ff4000000079f02
[   12.662447][   T56] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd43b3c
[   12.662626][   T56] RBP: ff11000005b89000 R08: 1fe2200001ba8769 R09: ff110000052eaea8
[   12.662804][   T56] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.662984][   T56] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.663214][   T56] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   12.663478][   T56] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.663629][   T56] CR2: 000000000d58e988 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   12.663813][   T56] PKRU: 55555554
[   12.663904][   T56] Call Trace:
[   12.663996][   T56]  <TASK>
[   12.664060][   T56]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.664233][   T56]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.664357][   T56]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.664453][   T56]  netif_state_change (net/core/dev.c:1605)
[   12.664618][   T56]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.664771][   T56]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.664891][   T56]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.665011][   T56]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.665183][   T56]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.665302][   T56]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.665424][   T56]  process_one_work (kernel/workqueue.c:3314)
[   12.665548][   T56]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.665670][   T56]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.665795][   T56]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.665918][   T56]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.666037][   T56]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.666205][   T56]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.666323][   T56]  kthread (kernel/kthread.c:436)
[   12.666417][   T56]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.666565][   T56]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.666690][   T56]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.666811][   T56]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.666961][   T56]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.667081][   T56]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.667258][   T56]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.870929][  T269] ------------[ cut here ]------------
| [   12.871097][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/269
| [   12.871345][  T269] Modules linked in:
| [   12.871791][  T269] Tainted: [W]=WARN
[   12.871893][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.872063][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.872342][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.872828][  T269] RSP: 0018:ffa0000000c671b0 EFLAGS: 00010286
[   12.872998][  T269] RAX: 00000000ffffffa6 RBX: ff110000053f1e00 RCX: 1ff400000018cdfc
[   12.873272][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f1ebc
[   12.873537][  T269] RBP: ff110000050d2000 R08: 1fe2200000a7e3d9 R09: ff11000006270b80
[   12.873741][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.873944][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5120900
[   12.874211][  T269] FS:  00007f2b9f9da840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   12.874452][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.874622][  T269] CR2: 00000000004a04a0 CR3: 00000000108dc003 CR4: 0000000000771ef0
[   12.874824][  T269] PKRU: 55555554
[   12.874927][  T269] Call Trace:
[   12.875029][  T269]  <TASK>
[   12.875099][  T269]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.875290][  T269]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.875397][  T269]  __dev_notify_flags (net/core/dev.c:9787)
[   12.875535][  T269]  ? netif_change_name (net/core/dev.c:1495)
[   12.875671][  T269]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.875836][  T269]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.875975][  T269]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.876109][  T269]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   12.876251][  T269]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.876390][  T269]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.876524][  T269]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.876657][  T269]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.876797][  T269]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.876937][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.877072][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.877212][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.877345][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.877483][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.877614][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.877751][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.877885][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.878020][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.878159][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.878293][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.878430][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.878566][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.878699][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.878834][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.878971][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.879107][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.879251][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.879388][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.879525][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.879659][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.879794][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.879929][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.880064][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.880205][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.880341][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.880479][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.880613][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.880778][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   12.880913][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.881048][  T269]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.881189][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   12.881321][  T269]  ? 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)
[   12.881462][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.881600][  T269]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.881738][  T269]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.881874][  T269]  __sys_sendmsg (net/socket.c:2784)
[   12.882008][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.882153][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.882287][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.882424][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.882559][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.882693][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.882828][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.882995][  T269] RIP: 0033:0x7f2b9fc1408e
[   12.883141][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.883622][  T269] RSP: 002b:00007ffd31b6acb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.883823][  T269] RAX: ffffffffffffffda RBX: 00007ffd31b6b450 RCX: 00007f2b9fc1408e
[   12.884025][  T269] RDX: 0000000000000000 RSI: 00007ffd31b6ad60 RDI: 0000000000000005
[   12.884229][  T269] RBP: 00007ffd31b6acc0 R08: 0000000000000000 R09: 0000000000000000
[   12.884435][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   12.884634][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd31b6b420
| [   12.926448][  T270] ------------[ cut here ]------------
| [   12.926655][  T270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/270
| [   12.926950][  T270] Modules linked in:
| [   12.928067][  T270] Tainted: [W]=WARN
[   12.928764][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.928984][  T270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.929229][  T270] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.929758][  T270] RSP: 0018:ffa0000000c77020 EFLAGS: 00010286
[   12.929975][  T270] RAX: 00000000ffffffa6 RBX: ff11000009904900 RCX: 1ff400000018edca
[   12.930241][  T270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099049bc
[   12.930496][  T270] RBP: ff110000050d2000 R08: 1fe2200001320939 R09: ff11000006272e58
[   12.930743][  T270] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.930986][  T270] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.931246][  T270] FS:  00007f2f12647840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   12.931539][  T270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.931755][  T270] CR2: 00000000006d0988 CR3: 000000000da56002 CR4: 0000000000771ef0
[   12.932003][  T270] PKRU: 55555554
[   12.932165][  T270] Call Trace:
[   12.932324][  T270]  <TASK>
[   12.932450][  T270]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   12.932636][  T270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.932822][  T270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.932971][  T270]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.933260][  T270]  __dev_notify_flags (net/core/dev.c:9787)
[   12.933541][  T270]  ? netif_change_name (net/core/dev.c:1495)
[   12.933779][  T270]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.934030][  T270]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.934286][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.934550][  T270]  ? 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))
[   12.934832][  T270]  netif_change_flags (net/core/dev.c:9820)
[   12.935038][  T270]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.935232][  T270]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.935422][  T270]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.935604][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.935822][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.936003][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.936198][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.936386][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.936570][  T270]  ? __kernel_text_address (kernel/extable.c:79)
[   12.936753][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.936936][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.937133][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.937315][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.937508][  T270]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.937690][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.937871][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.938053][  T270]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.938251][  T270]  ? __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)
[   12.938442][  T270]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.938630][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.938822][  T270]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.939007][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.939206][  T270]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.939428][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.939610][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.939791][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.939970][  T270]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.940167][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.940351][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.940538][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.940718][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.940900][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.941080][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.941270][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.941461][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.941643][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.941824][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.942006][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.942199][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.942387][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.942570][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.942751][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.942940][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.943133][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.943317][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.943509][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.943692][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.943873][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.944055][  T270]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.944250][  T270]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.944446][  T270]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.944632][  T270]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.944812][  T270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.945023][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   12.945220][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.945408][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.945592][  T270]  ___sys_sendmsg (net/socket.c:2752)
[   12.945775][  T270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.945987][  T270]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.946196][  T270]  __sys_sendmsg (net/socket.c:2784)
[   12.946384][  T270]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.946565][  T270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.946780][  T270]  ? 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)
[   12.946961][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.947161][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.947343][  T270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.947527][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.947708][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.947921][  T270] RIP: 0033:0x7f2f1288108e
[   12.948110][  T270] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.948653][  T270] RSP: 002b:00007ffd9036a1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.948902][  T270] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2f1288108e
[   12.949161][  T270] RDX: 0000000000000000 RSI: 00007ffd9036a280 RDI: 0000000000000005
[   12.949418][  T270] RBP: 00007ffd9036a1e0 R08: 0000000000000000 R09: 0000000000000000
[   12.949664][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   12.949910][  T270] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9036a940
| [   13.064376][  T272] ------------[ cut here ]------------
| [   13.064611][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/272
| [   13.064904][  T272] Modules linked in:
| [   13.065418][  T272] Tainted: [W]=WARN
[   13.065577][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.065802][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.066134][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.066844][  T272] RSP: 0018:ffa0000000c96e30 EFLAGS: 00010286
[   13.067265][  T272] RAX: 00000000ffffffa6 RBX: ff1100000d2b0040 RCX: 1ff4000000192d8c
[   13.067725][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2b00fc
[   13.068162][  T272] RBP: ff1100000a08c000 R08: 1fe2200001a56021 R09: ff11000009c12e80
[   13.068599][  T272] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.069030][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b56a000
[   13.069498][  T272] FS:  00007f8eee9a5840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   13.069957][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.070251][  T272] CR2: 000000000042ebe0 CR3: 0000000004bb7005 CR4: 0000000000771ef0
[   13.070578][  T272] PKRU: 55555554
[   13.070785][  T272] Call Trace:
[   13.071060][  T272]  <TASK>
[   13.071295][  T272]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   13.071608][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.071877][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.072085][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.072314][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.072511][  T272]  __dev_notify_flags (net/core/dev.c:9787)
[   13.072708][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.072894][  T272]  ? netif_change_name (net/core/dev.c:1495)
[   13.073082][  T272]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   13.073284][  T272]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   13.073518][  T272]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   13.073758][  T272]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.074010][  T272]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.074238][  T272]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.074438][  T272]  veth_newlink (drivers/net/veth.c:1871)
[   13.074633][  T272]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   13.074819][  T272]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.075007][  T272]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.075204][  T272]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.075415][  T272]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.075607][  T272]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.075797][  T272]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.075985][  T272]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.076189][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.076388][  T272]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.076579][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.076765][  T272]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.076956][  T272]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.077162][  T272]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.077355][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.077554][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.077740][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.077925][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.078109][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.078308][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.078514][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.078703][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.078888][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.079074][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.079272][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.079462][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.079650][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.079838][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.080024][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.080224][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.080422][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.080612][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.080795][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.080982][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.081183][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.081374][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.081575][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.081762][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.081948][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.082147][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.082335][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.082528][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.082750][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   13.082942][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   13.083139][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.083326][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.083528][  T272]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.083716][  T272]  __sys_sendmsg (net/socket.c:2784)
[   13.083902][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.084094][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.084292][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.084492][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.084680][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.084865][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.085053][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.085285][  T272] RIP: 0033:0x7f8eeebdf08e
[   13.085488][  T272] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.086028][  T272] RSP: 002b:00007fffcba685d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.086297][  T272] RAX: ffffffffffffffda RBX: 00007fffcba68d68 RCX: 00007f8eeebdf08e
[   13.086558][  T272] RDX: 0000000000000000 RSI: 00007fffcba68680 RDI: 0000000000000005
[   13.086813][  T272] RBP: 00007fffcba685e0 R08: 0000000000000000 R09: 0000000000000000
[   13.087065][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.087331][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcba68d40
| [   13.099199][  T272] ------------[ cut here ]------------
| [   13.099360][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/272
| [   13.099609][  T272] Modules linked in:
| [   13.099999][  T272] Tainted: [W]=WARN
[   13.100102][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.100284][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.100468][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.100957][  T272] RSP: 0018:ffa0000000c971b0 EFLAGS: 00010286
[   13.101136][  T272] RAX: 00000000ffffffa6 RBX: ff1100000d185000 RCX: 1ff4000000192dfc
[   13.101344][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1850bc
[   13.101553][  T272] RBP: ff1100000839c000 R08: 1fe2200001a30a19 R09: ff11000009c12e80
[   13.101759][  T272] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.101962][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   13.102175][  T272] FS:  00007f8eee9a5840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   13.102421][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.102595][  T272] CR2: 000055d19c51fd5c CR3: 0000000004bb7005 CR4: 0000000000771ef0
[   13.102800][  T272] PKRU: 55555554
[   13.102903][  T272] Call Trace:
[   13.103006][  T272]  <TASK>
[   13.103079][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.103225][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.103329][  T272]  __dev_notify_flags (net/core/dev.c:9787)
[   13.103474][  T272]  ? netif_change_name (net/core/dev.c:1495)
[   13.103612][  T272]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.103750][  T272]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.103888][  T272]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.104030][  T272]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.104173][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.104310][  T272]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.104452][  T272]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.104595][  T272]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.104735][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.104875][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.105013][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.105157][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.105292][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.105434][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.105576][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.105714][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.105851][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.105989][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.106131][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.106267][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.106412][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.106547][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.106684][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.106822][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.106959][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.107102][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.107247][  T272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.107389][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.107528][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.107664][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.107803][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.107942][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.108079][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.108224][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.108364][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.108506][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.108674][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   13.108814][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   13.108950][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.109087][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.109240][  T272]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.109383][  T272]  __sys_sendmsg (net/socket.c:2784)
[   13.109521][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.109661][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.109799][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.109936][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.110075][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.110218][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.110359][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.110532][  T272] RIP: 0033:0x7f8eeebdf08e
[   13.110677][  T272] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.111168][  T272] RSP: 002b:00007fffcba685d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.111383][  T272] RAX: ffffffffffffffda RBX: 00007fffcba68d68 RCX: 00007f8eeebdf08e
[   13.111589][  T272] RDX: 0000000000000000 RSI: 00007fffcba68680 RDI: 0000000000000005
[   13.111795][  T272] RBP: 00007fffcba685e0 R08: 0000000000000000 R09: 0000000000000000
[   13.111999][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.112211][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcba68d40
| [   13.163981][  T273] ------------[ cut here ]------------
| [   13.164155][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/273
| [   13.164401][  T273] Modules linked in:
| [   13.164786][  T273] Tainted: [W]=WARN
[   13.164889][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.165060][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.165241][  T273] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.165728][  T273] RSP: 0018:ffa0000000c97020 EFLAGS: 00010286
[   13.165899][  T273] RAX: 00000000ffffffa6 RBX: ff1100000d185c40 RCX: 1ff4000000192dca
[   13.166100][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d185cfc
[   13.166308][  T273] RBP: ff1100000839c000 R08: 1fe2200001a30ba1 R09: ff11000009ce0b58
[   13.166518][  T273] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.166717][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.166922][  T273] FS:  00007f6733127840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   13.167166][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.167336][  T273] CR2: 0000000035af0988 CR3: 000000000d0e9004 CR4: 0000000000771ef0
[   13.167554][  T273] PKRU: 55555554
[   13.167655][  T273] Call Trace:
[   13.167757][  T273]  <TASK>
[   13.167828][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.167965][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.168068][  T273]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.168208][  T273]  __dev_notify_flags (net/core/dev.c:9787)
[   13.168345][  T273]  ? netif_change_name (net/core/dev.c:1495)
[   13.168487][  T273]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.168623][  T273]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.168759][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.168894][  T273]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.169031][  T273]  netif_change_flags (net/core/dev.c:9820)
[   13.169843][  T273]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.169984][  T273]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.170179][  T273]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.170333][  T273]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.170510][  T273]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.170645][  T273]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.170781][  T273]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.170917][  T273]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.171053][  T273]  ? __kernel_text_address (kernel/extable.c:79)
[   13.171195][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.171344][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.171488][  T273]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.171624][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.171760][  T273]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.171906][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.172097][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.172266][  T273]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.172410][  T273]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.172549][  T273]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.172685][  T273]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.172858][  T273]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.173069][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.173233][  T273]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.173375][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.173516][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.173651][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.173789][  T273]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.173924][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.174104][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.174250][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.174391][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.174527][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.174664][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.174800][  T273]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.174939][  T273]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.175073][  T273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.175214][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.175353][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.175492][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.175628][  T273]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.175763][  T273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.175898][  T273]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.176042][  T273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.176182][  T273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.176319][  T273]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.176460][  T273]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.176591][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.176725][  T273]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.176857][  T273]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.176996][  T273]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.177132][  T273]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.177265][  T273]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.177407][  T273]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.177569][  T273]  ? move_addr_to_kernel (net/socket.c:258)
[   13.177699][  T273]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.177828][  T273]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.177961][  T273]  ___sys_sendmsg (net/socket.c:2752)
[   13.178091][  T273]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.178257][  T273]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.178406][  T273]  __sys_sendmsg (net/socket.c:2784)
[   13.178537][  T273]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.178666][  T273]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.178830][  T273]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.178964][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.179096][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.179238][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.179370][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.179513][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.179675][  T273] RIP: 0033:0x7f673336108e
[   13.179813][  T273] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.180289][  T273] RSP: 002b:00007ffc6db2ec90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.180492][  T273] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f673336108e
[   13.180689][  T273] RDX: 0000000000000000 RSI: 00007ffc6db2ed40 RDI: 0000000000000005
[   13.180887][  T273] RBP: 00007ffc6db2eca0 R08: 0000000000000000 R09: 0000000000000000
[   13.181081][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.181282][  T273] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6db2f400
| [   13.252498][  T274] ------------[ cut here ]------------
| [   13.252708][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/274
| [   13.252987][  T274] Modules linked in:
| [   13.253489][  T274] Tainted: [W]=WARN
[   13.253642][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.253862][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.254078][  T274] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.254693][  T274] RSP: 0018:ffa0000000ca6ff8 EFLAGS: 00010286
[   13.254907][  T274] RAX: 00000000ffffffa6 RBX: ff1100000c61d1c0 RCX: 1ff4000000194dc5
[   13.255159][  T274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c61d27c
[   13.255407][  T274] RBP: ff1100000a08c000 R08: 1fe22000018c3a51 R09: ff11000009ce2e58
[   13.255646][  T274] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.255889][  T274] R13: 0000000000000000 R14: ffa0000000ca7140 R15: ff1100000dbf0e50
[   13.256144][  T274] FS:  00007fd5f43d5840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   13.256427][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.256637][  T274] CR2: 000000002a4cd988 CR3: 000000000f5d5003 CR4: 0000000000771ef0
[   13.256883][  T274] PKRU: 55555554
[   13.257027][  T274] Call Trace:
[   13.257183][  T274]  <TASK>
[   13.257298][  T274]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   13.257488][  T274]  __dev_change_net_namespace (net/core/dev.c:12635)
[   13.257704][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.257880][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.258058][  T274]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.258279][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.258467][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.258644][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.258822][  T274]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.259002][  T274]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.259198][  T274]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.259385][  T274]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.259563][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.259777][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.259953][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.260142][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.260319][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.260506][  T274]  ? __kernel_text_address (kernel/extable.c:79)
[   13.260684][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.260865][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.261040][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.261229][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.261414][  T274]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.261593][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.261769][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.261944][  T274]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.262134][  T274]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.262314][  T274]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.262504][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.262686][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.262863][  T274]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.263043][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.263234][  T274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.263420][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.263597][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.263778][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.263953][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.264141][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.264321][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.264508][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.264688][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.264864][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.265045][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.265232][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.265416][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.265593][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.265770][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.265947][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.266134][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.266313][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.266503][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.266683][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.266862][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.267037][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.267231][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.267416][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.267594][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.267774][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.267950][  T274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.268142][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.268321][  T274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.268511][  T274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.268687][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.268891][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   13.269069][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.269261][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.269448][  T274]  ___sys_sendmsg (net/socket.c:2752)
[   13.269627][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.269836][  T274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.270024][  T274]  __sys_sendmsg (net/socket.c:2784)
[   13.270216][  T274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.270400][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.270615][  T274]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.270790][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.270967][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.271155][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.271332][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.271522][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.271732][  T274] RIP: 0033:0x7fd5f460f08e
[   13.271917][  T274] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.272447][  T274] RSP: 002b:00007ffc1e4dd1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.272690][  T274] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd5f460f08e
[   13.272933][  T274] RDX: 0000000000000000 RSI: 00007ffc1e4dd260 RDI: 0000000000000005
[   13.273185][  T274] RBP: 00007ffc1e4dd1c0 R08: 0000000000000000 R09: 0000000000000000
[   13.273436][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.273676][  T274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1e4dd920
| [   13.276834][  T274] ------------[ cut here ]------------
| [   13.277014][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/274
| [   13.277304][  T274] Modules linked in:
| [   13.277772][  T274] Tainted: [W]=WARN
[   13.277917][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.278140][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.278359][  T274] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.278879][  T274] RSP: 0018:ffa0000000ca6fc0 EFLAGS: 00010286
[   13.279091][  T274] RAX: 00000000ffffffa6 RBX: ff1100000daa1000 RCX: 1ff4000000194dbe
[   13.279345][  T274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa10bc
[   13.279592][  T274] RBP: ff1100000a08c000 R08: 1fe2200001b54219 R09: ff11000009ce2e58
[   13.279833][  T274] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.280073][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dbf0e50
[   13.280328][  T274] FS:  00007fd5f43d5840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   13.280616][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.280828][  T274] CR2: 000000002a4cd988 CR3: 000000000f5d5003 CR4: 0000000000771ef0
[   13.281072][  T274] PKRU: 55555554
[   13.281234][  T274] Call Trace:
[   13.281385][  T274]  <TASK>
[   13.281499][  T274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.281677][  T274]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.281859][  T274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.282005][  T274]  __dev_change_net_namespace (net/core/dev.c:12695)
[   13.282284][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.282507][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.282687][  T274]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.282896][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.283072][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.283266][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.283453][  T274]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.283633][  T274]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.283812][  T274]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.283991][  T274]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.284183][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.284402][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.284584][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.284760][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.284938][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.285129][  T274]  ? __kernel_text_address (kernel/extable.c:79)
[   13.285306][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.285492][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.285669][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.285849][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.286028][  T274]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.286216][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.286400][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.286579][  T274]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.286755][  T274]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.286930][  T274]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.287108][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.287304][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.287488][  T274]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.287668][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.287847][  T274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.288024][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.288212][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.288396][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.288574][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.288753][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.288933][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.289107][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.289296][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.289481][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.289659][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.289835][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.290016][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.290202][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.290385][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.290564][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.290739][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.290917][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.291093][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.291282][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.291474][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.291652][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.291832][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.292012][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.292200][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.292385][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.292565][  T274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.292744][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.292922][  T274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.293098][  T274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.293286][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.293504][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   13.293685][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.293862][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.294041][  T274]  ___sys_sendmsg (net/socket.c:2752)
[   13.294229][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.294445][  T274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.294635][  T274]  __sys_sendmsg (net/socket.c:2784)
[   13.294814][  T274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.294988][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.295212][  T274]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.295400][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.295580][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.295755][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.295932][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.296107][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.296327][  T274] RIP: 0033:0x7fd5f460f08e
[   13.296520][  T274] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.297032][  T274] RSP: 002b:00007ffc1e4dd1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.297286][  T274] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd5f460f08e
[   13.297534][  T274] RDX: 0000000000000000 RSI: 00007ffc1e4dd260 RDI: 0000000000000005
[   13.297773][  T274] RBP: 00007ffc1e4dd1c0 R08: 0000000000000000 R09: 0000000000000000
[   13.298011][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.298260][  T274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1e4dd920
| [   13.300660][  T274] ------------[ cut here ]------------
| [   13.300834][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/274
| [   13.301298][  T274] Modules linked in:
| [   13.302140][  T274] Tainted: [W]=WARN
[   13.302411][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.302629][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.302848][  T274] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.303363][  T274] RSP: 0018:ffa0000000ca7038 EFLAGS: 00010286
[   13.303584][  T274] RAX: 00000000ffffffa6 RBX: ff1100000daa18c0 RCX: 1ff4000000194dcd
[   13.303821][  T274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa197c
[   13.304057][  T274] RBP: ff1100000a08c000 R08: 1fe2200001b54331 R09: ff11000009ce2e58
[   13.304309][  T274] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.304550][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   13.304788][  T274] FS:  00007fd5f43d5840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   13.305060][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.305370][  T274] CR2: 000000002a4cd988 CR3: 000000000f5d5003 CR4: 0000000000771ef0
[   13.305620][  T274] PKRU: 55555554
[   13.305761][  T274] Call Trace:
[   13.305903][  T274]  <TASK>
[   13.306014][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.306280][  T274]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.306470][  T274]  notifier_call_chain (kernel/notifier.c:85)
[   13.306649][  T274]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   13.306821][  T274]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.307111][  T274]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   13.307329][  T274]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.307514][  T274]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.307772][  T274]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   13.307948][  T274]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.308137][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.308344][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.308610][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.308786][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.308960][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.309145][  T274]  ? __kernel_text_address (kernel/extable.c:79)
[   13.309405][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.309586][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.309765][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.309939][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.310206][  T274]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.310386][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.310563][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.310738][  T274]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.310990][  T274]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.311187][  T274]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.311363][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.311548][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.311800][  T274]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.311977][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.312164][  T274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.312341][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.312601][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.312779][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.312951][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.313137][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.313407][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.313586][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.313760][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.313937][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.314204][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.314387][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.314563][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.314735][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.314985][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.315168][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.315341][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.315522][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.315774][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.315951][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.316139][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.316311][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.316569][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.316745][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.316918][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.317092][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.317362][  T274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.317544][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.317720][  T274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.317894][  T274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.318158][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.318362][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   13.318552][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.318729][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.318983][  T274]  ___sys_sendmsg (net/socket.c:2752)
[   13.319166][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.319371][  T274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.319567][  T274]  __sys_sendmsg (net/socket.c:2784)
[   13.319822][  T274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.319994][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.320216][  T274]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.320476][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.320654][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.320830][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.321003][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.321191][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.321401][  T274] RIP: 0033:0x7fd5f460f08e
[   13.321583][  T274] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.322176][  T274] RSP: 002b:00007ffc1e4dd1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.322423][  T274] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd5f460f08e
[   13.322742][  T274] RDX: 0000000000000000 RSI: 00007ffc1e4dd260 RDI: 0000000000000005
[   13.322978][  T274] RBP: 00007ffc1e4dd1c0 R08: 0000000000000000 R09: 0000000000000000
[   13.323308][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.323548][  T274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1e4dd920
| [   13.378123][  T275] ------------[ cut here ]------------
| [   13.378278][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/275
| [   13.378516][  T275] Modules linked in:
| [   13.378897][  T275] Tainted: [W]=WARN
[   13.378997][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.379169][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.379343][  T275] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.379827][  T275] RSP: 0018:ffa0000000ca7020 EFLAGS: 00010286
[   13.380001][  T275] RAX: 00000000ffffffa6 RBX: ff1100000a191380 RCX: 1ff4000000194dca
[   13.380204][  T275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a19143c
[   13.380408][  T275] RBP: ff1100000a08c000 R08: 1fe2200001432289 R09: ff110000021fae58
[   13.380605][  T275] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.380804][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.381003][  T275] FS:  00007f63a3722840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   13.381240][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.381411][  T275] CR2: 00007f63a39f21a0 CR3: 000000000e6ff001 CR4: 0000000000771ef0
[   13.381611][  T275] PKRU: 55555554
[   13.381710][  T275] Call Trace:
[   13.381808][  T275]  <TASK>
[   13.381877][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.382012][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.382113][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.382253][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   13.382392][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   13.382525][  T275]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.382660][  T275]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.382793][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.382927][  T275]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.383061][  T275]  netif_change_flags (net/core/dev.c:9820)
[   13.383197][  T275]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.383330][  T275]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.383471][  T275]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.383608][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.383773][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.383904][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.384039][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.384175][  T275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.384308][  T275]  ? __kernel_text_address (kernel/extable.c:79)
[   13.384447][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.384582][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.384716][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.384850][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.384983][  T275]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.385120][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.385254][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.385392][  T275]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.385525][  T275]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.385659][  T275]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.385790][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.385923][  T275]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.386058][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.386197][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.386332][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.386468][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.386602][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.386736][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.386866][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.387001][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.387138][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.387271][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.387409][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.387544][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.387676][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.387809][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.387941][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.388077][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.388218][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.388349][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.388486][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.388620][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.388753][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.388889][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.389021][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.389161][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.389296][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.389434][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.389567][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.389702][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.389836][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.389969][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.390101][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.390238][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.390407][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   13.390540][  T275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.390675][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.390808][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   13.390939][  T275]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.391102][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.391252][  T275]  __sys_sendmsg (net/socket.c:2784)
[   13.391390][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.391523][  T275]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.391692][  T275]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.391824][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.391957][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.392089][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.392226][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.392360][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.392530][  T275] RIP: 0033:0x7f63a395c08e
[   13.392671][  T275] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.393164][  T275] RSP: 002b:00007ffda7407480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.393366][  T275] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f63a395c08e
[   13.393571][  T275] RDX: 0000000000000000 RSI: 00007ffda7407530 RDI: 0000000000000005
[   13.393769][  T275] RBP: 00007ffda7407490 R08: 0000000000000000 R09: 0000000000000000
[   13.393967][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.394171][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda7407bf0
| [   13.396152][   T56] ------------[ cut here ]------------
| [   13.396283][   T56] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/56
| [   13.396521][   T56] Modules linked in:
| [   13.396887][   T56] Tainted: [W]=WARN
[   13.396977][   T56] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.397132][   T56] Workqueue: events_unbound linkwatch_event
[   13.397287][   T56] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.397446][   T56] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.397868][   T56] RSP: 0018:ffa00000003cf9e0 EFLAGS: 00010286
[   13.398015][   T56] RAX: 00000000ffffffa6 RBX: ff110000029ba040 RCX: 1ff4000000079f02
[   13.398314][   T56] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029ba0fc
[   13.398503][   T56] RBP: ff1100000a08c000 R08: 1fe2200000537421 R09: ff110000052eaea8
[   13.398684][   T56] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.398869][   T56] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.399051][   T56] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   13.399274][   T56] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.399431][   T56] CR2: 000055d19c51fd5c CR3: 0000000010162004 CR4: 0000000000771ef0
[   13.399614][   T56] PKRU: 55555554
[   13.399710][   T56] Call Trace:
[   13.399806][   T56]  <TASK>
[   13.399870][   T56]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.399995][   T56]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.400122][   T56]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.400213][   T56]  netif_state_change (net/core/dev.c:1605)
[   13.400330][   T56]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.400483][   T56]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.400601][   T56]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.400718][   T56]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.400837][   T56]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.400956][   T56]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.401075][   T56]  process_one_work (kernel/workqueue.c:3314)
[   13.401204][   T56]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.401321][   T56]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.401449][   T56]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.401567][   T56]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.401685][   T56]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.401803][   T56]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.401925][   T56]  kthread (kernel/kthread.c:436)
[   13.402013][   T56]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.402163][   T56]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.402286][   T56]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.402409][   T56]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.402554][   T56]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.402672][   T56]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.402790][   T56]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.405168][   T56] ------------[ cut here ]------------
| [   13.405300][   T56] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/56
| [   13.405586][   T56] Modules linked in:
| [   13.405947][   T56] Tainted: [W]=WARN
[   13.406035][   T56] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.406189][   T56] Workqueue: events_unbound linkwatch_event
[   13.406345][   T56] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.406504][   T56] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.406921][   T56] RSP: 0018:ffa00000003cf9e0 EFLAGS: 00010286
[   13.407076][   T56] RAX: 00000000ffffffa6 RBX: ff11000009298740 RCX: 1ff4000000079f02
[   13.407264][   T56] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092987fc
[   13.407448][   T56] RBP: ff1100000839c000 R08: 1fe2200001253101 R09: ff110000052eaea8
[   13.407623][   T56] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.407796][   T56] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.407972][   T56] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   13.408188][   T56] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.408335][   T56] CR2: 00007f2f12714574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   13.408517][   T56] PKRU: 55555554
[   13.408609][   T56] Call Trace:
[   13.408697][   T56]  <TASK>
[   13.408759][   T56]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.408876][   T56]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.408992][   T56]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.409082][   T56]  netif_state_change (net/core/dev.c:1605)
[   13.409208][   T56]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.409354][   T56]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.409475][   T56]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.409593][   T56]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.409712][   T56]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.409827][   T56]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.409945][   T56]  process_one_work (kernel/workqueue.c:3314)
[   13.410064][   T56]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.410188][   T56]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.410309][   T56]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.410435][   T56]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.410553][   T56]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.410671][   T56]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.410787][   T56]  kthread (kernel/kthread.c:436)
[   13.410874][   T56]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.411022][   T56]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.411146][   T56]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.411267][   T56]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.411420][   T56]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.411536][   T56]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.411652][   T56]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.514259][  T277] ------------[ cut here ]------------
| [   13.514441][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/277
| [   13.514718][  T277] Modules linked in:
| [   13.515413][  T277] Tainted: [W]=WARN
[   13.515556][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.515763][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.515975][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.516497][  T277] RSP: 0018:ffa0000000cc6ee0 EFLAGS: 00010286
[   13.516703][  T277] RAX: 00000000ffffffa6 RBX: ff1100000fc86e40 RCX: 1ff4000000198da2
[   13.516936][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc86efc
[   13.517191][  T277] RBP: ff1100000a08c000 R08: 1fe2200001f90de1 R09: ff110000021f8b58
[   13.517434][  T277] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.517671][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   13.517909][  T277] FS:  00007fc505a82840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   13.518193][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.518406][  T277] CR2: 00000000004eba70 CR3: 0000000010288006 CR4: 0000000000771ef0
[   13.518644][  T277] PKRU: 55555554
[   13.518786][  T277] Call Trace:
[   13.518927][  T277]  <TASK>
[   13.519039][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.519227][  T277]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.519409][  T277]  notifier_call_chain (kernel/notifier.c:85)
[   13.519593][  T277]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.519767][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.519942][  T277]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.520130][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.520308][  T277]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   13.520489][  T277]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   13.520666][  T277]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   13.520840][  T277]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   13.521017][  T277]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   13.521203][  T277]  br_add_if (net/bridge/br_if.c:619)
[   13.521351][  T277]  do_set_master (net/core/rtnetlink.c:3011)
[   13.521536][  T277]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.521712][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.521906][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.522081][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.522298][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.522480][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.522656][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.522829][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.523004][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   13.523194][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.523372][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.523563][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.523739][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.523915][  T277]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.524088][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.524277][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.524459][  T277]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.524638][  T277]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.524812][  T277]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.524987][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.525175][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.525350][  T277]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.525534][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.525712][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.525891][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.526065][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.526253][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.526435][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.526609][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.526787][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.526961][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.527340][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.527527][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.527705][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.527880][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.528056][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.528242][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.528433][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.528617][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.528798][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.528972][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.529161][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.529335][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.529522][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.529695][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.529872][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.530048][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.530236][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.530421][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.530598][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.530773][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.530949][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.531136][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.531311][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.531525][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   13.531701][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.531876][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.532055][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   13.532242][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.532457][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.532643][  T277]  __sys_sendmsg (net/socket.c:2784)
[   13.532824][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.532998][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.533222][  T277]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.533405][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.533582][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.533758][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.533935][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.534112][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.534336][  T277] RIP: 0033:0x7fc505cbc08e
[   13.534526][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.535026][  T277] RSP: 002b:00007fff2e6d8770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.535285][  T277] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc505cbc08e
[   13.535532][  T277] RDX: 0000000000000000 RSI: 00007fff2e6d8820 RDI: 0000000000000005
[   13.535770][  T277] RBP: 00007fff2e6d8780 R08: 0000000000000000 R09: 0000000000000000
[   13.536009][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.536260][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2e6d8ee0
| [   13.538431][  T277] ------------[ cut here ]------------
| [   13.538566][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/277
| [   13.538803][  T277] Modules linked in:
| [   13.539210][  T277] Tainted: [W]=WARN
[   13.539313][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.539494][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.539672][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.540167][  T277] RSP: 0018:ffa0000000cc6ea0 EFLAGS: 00010286
[   13.540339][  T277] RAX: 00000000ffffffa6 RBX: ff1100000fc871c0 RCX: 1ff4000000198d9a
[   13.540550][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc8727c
[   13.540755][  T277] RBP: ff1100000a08c000 R08: 1fe2200001f90e51 R09: ff110000021f8b58
[   13.540959][  T277] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   13.541166][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050d2dc0
[   13.541374][  T277] FS:  00007fc505a82840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   13.541618][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.541791][  T277] CR2: 00007f2f12714574 CR3: 0000000010288001 CR4: 0000000000771ef0
[   13.541996][  T277] PKRU: 55555554
[   13.542098][  T277] Call Trace:
[   13.542212][  T277]  <TASK>
[   13.542285][  T277]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.542429][  T277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.542534][  T277]  __dev_notify_flags (net/core/dev.c:9787)
[   13.542671][  T277]  ? netdev_notice (net/core/dev.c:13008)
[   13.542810][  T277]  ? netif_change_name (net/core/dev.c:1495)
[   13.542947][  T277]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.543126][  T277]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.543268][  T277]  __dev_set_promiscuity (net/core/dev.c:9630)
[   13.543413][  T277]  netif_set_promiscuity (net/core/dev.c:9639)
[   13.543550][  T277]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.543689][  T277]  br_port_set_promisc (net/bridge/br_if.c:108)
[   13.543827][  T277]  br_manage_promisc (net/bridge/br_if.c:174)
[   13.543963][  T277]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   13.544102][  T277]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   13.544215][  T277]  do_set_master (net/core/rtnetlink.c:3011)
[   13.544356][  T277]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.544498][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.544636][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.544775][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.544946][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.545083][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.545225][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.545363][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.545506][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   13.545643][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.545782][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.545919][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.546055][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.546196][  T277]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.546333][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.546474][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.546612][  T277]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.546751][  T277]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.546887][  T277]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.547027][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.547169][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.547307][  T277]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.547452][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.547591][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.547730][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.547866][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.548003][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.548144][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.548279][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.548425][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.548560][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.548696][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.548833][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.548971][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.549109][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.549252][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.549395][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.549533][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.549672][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.549807][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.549945][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.550091][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.550238][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.550449][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.550592][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.550730][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.550868][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.551006][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.551150][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.551289][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.551430][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.551567][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.551708][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.551843][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.552012][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   13.552156][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.552294][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.552440][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   13.552576][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.552747][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.552898][  T277]  __sys_sendmsg (net/socket.c:2784)
[   13.553036][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.553176][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.553347][  T277]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.553493][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.553630][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.553768][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.553905][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.554042][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.554218][  T277] RIP: 0033:0x7fc505cbc08e
[   13.554360][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.554851][  T277] RSP: 002b:00007fff2e6d8770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.555056][  T277] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc505cbc08e
[   13.555265][  T277] RDX: 0000000000000000 RSI: 00007fff2e6d8820 RDI: 0000000000000005
[   13.555476][  T277] RBP: 00007fff2e6d8780 R08: 0000000000000000 R09: 0000000000000000
[   13.555680][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.555884][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2e6d8ee0
| [   13.558915][  T277] ------------[ cut here ]------------
| [   13.559042][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/277
| [   13.559327][  T277] Modules linked in:
| [   13.559714][  T277] Tainted: [W]=WARN
[   13.559811][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.559970][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.560141][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.560607][  T277] RSP: 0018:ffa0000000cc7000 EFLAGS: 00010286
[   13.560767][  T277] RAX: 00000000ffffffa6 RBX: ff110000029bb1c0 RCX: 1ff4000000198dc6
[   13.560963][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bb27c
[   13.561159][  T277] RBP: ff110000050d2000 R08: 1fe2200000537651 R09: ff110000021f8b58
[   13.561352][  T277] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.561548][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.561740][  T277] FS:  00007fc505a82840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   13.561963][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.562131][  T277] CR2: 00007f2f12714574 CR3: 0000000010288001 CR4: 0000000000771ef0
[   13.562325][  T277] PKRU: 55555554
[   13.562425][  T277] Call Trace:
[   13.562521][  T277]  <TASK>
[   13.562588][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.562716][  T277]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.562845][  T277]  notifier_call_chain (kernel/notifier.c:85)
[   13.562975][  T277]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   13.563105][  T277]  ? __dev_open (./include/net/netdev_lock.h:33)
[   13.563238][  T277]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   13.563367][  T277]  br_add_if (net/bridge/br_if.c:679)
[   13.563473][  T277]  do_set_master (net/core/rtnetlink.c:3011)
[   13.563603][  T277]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.563732][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.563864][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.563996][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.564160][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.564289][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.564422][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.564550][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.564678][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   13.564806][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.564937][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.565065][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.565199][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.565327][  T277]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.565459][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.565586][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.565713][  T277]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.565842][  T277]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.565972][  T277]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.566101][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.566235][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.566363][  T277]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.566497][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.566629][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.566760][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.566890][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.567018][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.567153][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.567280][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.567414][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.567542][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.567670][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.567798][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.567928][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.568056][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.568190][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.568316][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.568449][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.568580][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.568707][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.568835][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.568963][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.569092][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.569226][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.569353][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.569488][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.569616][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.569744][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.569873][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.570002][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.570139][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.570269][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.570403][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.570530][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.570691][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   13.570821][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.570948][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.571077][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   13.571209][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.571367][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.571515][  T277]  __sys_sendmsg (net/socket.c:2784)
[   13.571642][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.571769][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.571930][  T277]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.572058][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.572194][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.572322][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.572455][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.572582][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.572741][  T277] RIP: 0033:0x7fc505cbc08e
[   13.572883][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.573347][  T277] RSP: 002b:00007fff2e6d8770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.573544][  T277] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc505cbc08e
[   13.573735][  T277] RDX: 0000000000000000 RSI: 00007fff2e6d8820 RDI: 0000000000000005
[   13.573927][  T277] RBP: 00007fff2e6d8780 R08: 0000000000000000 R09: 0000000000000000
[   13.574123][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.574313][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2e6d8ee0
| [   13.576137][  T277] ------------[ cut here ]------------
| [   13.576264][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/277
| [   13.576485][  T277] Modules linked in:
| [   13.576842][  T277] Tainted: [W]=WARN
[   13.576938][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.577098][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.577804][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.578321][  T277] RSP: 0018:ffa0000000cc6f78 EFLAGS: 00010286
[   13.578486][  T277] RAX: 00000000ffffffa6 RBX: ff110000029bac80 RCX: 1ff4000000198db5
[   13.578677][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bad3c
[   13.578869][  T277] RBP: ff110000050d2000 R08: 1fe22000005375a9 R09: ff110000021f8b58
[   13.579060][  T277] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.579306][  T277] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   13.579560][  T277] FS:  00007fc505a82840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   13.579788][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.579951][  T277] CR2: 00007f2f12714574 CR3: 0000000010288001 CR4: 0000000000771ef0
[   13.580196][  T277] PKRU: 55555554
[   13.580291][  T277] Call Trace:
[   13.580393][  T277]  <TASK>
[   13.580459][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.580589][  T277]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.580716][  T277]  notifier_call_chain (kernel/notifier.c:85)
[   13.580846][  T277]  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)
[   13.581009][  T277]  ? netdev_change_features (net/core/dev.c:11117)
[   13.581194][  T277]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   13.581325][  T277]  br_add_if (net/bridge/br_if.c:683)
[   13.581431][  T277]  do_set_master (net/core/rtnetlink.c:3011)
[   13.581559][  T277]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.581686][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.581817][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.581947][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.582106][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.582289][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.582425][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.582552][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.582688][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   13.582817][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.582947][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.583074][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.583256][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.583391][  T277]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.583519][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.583648][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.583781][  T277]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.583910][  T277]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.584037][  T277]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.584220][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.584351][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.584485][  T277]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.584617][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.584750][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.584883][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.585010][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.585193][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.585322][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.585459][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.585591][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.585721][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.585852][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.585980][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.586111][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.586295][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.586429][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.586558][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.586685][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.586816][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.586959][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.587089][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.587272][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.587409][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.587543][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.587672][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.587803][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.587940][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.588070][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.588255][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.588391][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.588522][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.588655][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.588786][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.588915][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.589076][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   13.589263][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.589396][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.589525][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   13.589655][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.589817][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.589958][  T277]  __sys_sendmsg (net/socket.c:2784)
[   13.590091][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.590275][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.590444][  T277]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.590575][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.590705][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.590834][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.590965][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.591096][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.591312][  T277] RIP: 0033:0x7fc505cbc08e
[   13.591454][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.591916][  T277] RSP: 002b:00007fff2e6d8770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.592174][  T277] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc505cbc08e
[   13.592368][  T277] RDX: 0000000000000000 RSI: 00007fff2e6d8820 RDI: 0000000000000005
[   13.592567][  T277] RBP: 00007fff2e6d8780 R08: 0000000000000000 R09: 0000000000000000
[   13.592763][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.592959][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2e6d8ee0
| [   13.700104][  T279] ------------[ cut here ]------------
| [   13.700283][  T279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/279
| [   13.700527][  T279] Modules linked in:
| [   13.700914][  T279] Tainted: [W]=WARN
[   13.701019][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.701197][  T279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.701377][  T279] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.701869][  T279] RSP: 0018:ffa0000000cd6e30 EFLAGS: 00010286
[   13.702043][  T279] RAX: 00000000ffffffa6 RBX: ff110000029bb700 RCX: 1ff400000019ad8c
[   13.702255][  T279] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bb7bc
[   13.702462][  T279] RBP: ff11000009209000 R08: 1fe22000005376f9 R09: ff11000009c15180
[   13.702665][  T279] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.702866][  T279] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009756700
[   13.703069][  T279] FS:  00007f25f6bb8840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   13.703317][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.703493][  T279] CR2: 00007f2f12714574 CR3: 000000000f109002 CR4: 0000000000771ef0
[   13.703699][  T279] PKRU: 55555554
[   13.703803][  T279] Call Trace:
[   13.703906][  T279]  <TASK>
[   13.703976][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.704114][  T279]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.704256][  T279]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.704359][  T279]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   13.704503][  T279]  __dev_notify_flags (net/core/dev.c:9787)
[   13.704642][  T279]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   13.704778][  T279]  ? 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)
[   13.704912][  T279]  ? netif_change_name (net/core/dev.c:1495)
[   13.705047][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.705211][  T279]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.705347][  T279]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.705487][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.705620][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.705757][  T279]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.705892][  T279]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.706026][  T279]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.706165][  T279]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.706302][  T279]  veth_newlink (drivers/net/veth.c:1871)
[   13.706443][  T279]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   13.706577][  T279]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.706714][  T279]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.706848][  T279]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.706999][  T279]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.707141][  T279]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.707278][  T279]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.707416][  T279]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.707553][  T279]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.707690][  T279]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.707826][  T279]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.707959][  T279]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.708093][  T279]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.708237][  T279]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.708376][  T279]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.708518][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.708651][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.708786][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.708921][  T279]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.709054][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.709197][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.709334][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.709473][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.709609][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.709744][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.709879][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.710015][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.710156][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.710291][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.710428][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.710563][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.710700][  T279]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.710833][  T279]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.710969][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.711105][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.711245][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.711385][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.711522][  T279]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.711657][  T279]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.711793][  T279]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.711929][  T279]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.712064][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.712234][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   13.712373][  T279]  ___sys_sendmsg (net/socket.c:2752)
[   13.712512][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.712648][  T279]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.712791][  T279]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.712928][  T279]  __sys_sendmsg (net/socket.c:2784)
[   13.713063][  T279]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.713205][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.713340][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.713481][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.713616][  T279]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.713752][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.713885][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.714053][  T279] RIP: 0033:0x7f25f6df208e
[   13.714199][  T279] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.714683][  T279] RSP: 002b:00007ffd5a49f6a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.714887][  T279] RAX: ffffffffffffffda RBX: 00007ffd5a49fe38 RCX: 00007f25f6df208e
[   13.715088][  T279] RDX: 0000000000000000 RSI: 00007ffd5a49f750 RDI: 0000000000000005
[   13.715295][  T279] RBP: 00007ffd5a49f6b0 R08: 0000000000000000 R09: 0000000000000000
[   13.715500][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.715702][  T279] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a49fe10
| [   13.723362][  T279] ------------[ cut here ]------------
| [   13.723528][  T279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/279
| [   13.723762][  T279] Modules linked in:
| [   13.724362][  T279] Tainted: [W]=WARN
[   13.724469][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.724643][  T279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.724817][  T279] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.725295][  T279] RSP: 0018:ffa0000000cd71b0 EFLAGS: 00010286
[   13.725473][  T279] RAX: 00000000ffffffa6 RBX: ff1100000d8aa900 RCX: 1ff400000019adfc
[   13.725669][  T279] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8aa9bc
[   13.725867][  T279] RBP: ff110000020bc000 R08: 1fe2200001b15539 R09: ff11000009c15180
[   13.726067][  T279] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.726277][  T279] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   13.726480][  T279] FS:  00007f25f6bb8840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   13.726715][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.726881][  T279] CR2: 00007f2f12714574 CR3: 000000000f109002 CR4: 0000000000771ef0
[   13.727079][  T279] PKRU: 55555554
[   13.727189][  T279] Call Trace:
[   13.727292][  T279]  <TASK>
[   13.727362][  T279]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.727502][  T279]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.727604][  T279]  __dev_notify_flags (net/core/dev.c:9787)
[   13.727738][  T279]  ? netif_change_name (net/core/dev.c:1495)
[   13.727874][  T279]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.728007][  T279]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.728152][  T279]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.728289][  T279]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.728430][  T279]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.728565][  T279]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.728699][  T279]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.728839][  T279]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.728978][  T279]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.729114][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.729259][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.729399][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.729533][  T279]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.729665][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.729803][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.729939][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.730072][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.730216][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.730348][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.730484][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.730620][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.730752][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.730886][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.731021][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.731160][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.731303][  T279]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.731438][  T279]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.731576][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.731711][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.731844][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.731979][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.732121][  T279]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.732257][  T279]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.732400][  T279]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.732536][  T279]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.732668][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.732832][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   13.732969][  T279]  ___sys_sendmsg (net/socket.c:2752)
[   13.733101][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.733238][  T279]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.733388][  T279]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.733525][  T279]  __sys_sendmsg (net/socket.c:2784)
[   13.733664][  T279]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.733801][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.733933][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.734068][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.734206][  T279]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.734346][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.734482][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.734646][  T279] RIP: 0033:0x7f25f6df208e
[   13.734784][  T279] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.735261][  T279] RSP: 002b:00007ffd5a49f6a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.735469][  T279] RAX: ffffffffffffffda RBX: 00007ffd5a49fe38 RCX: 00007f25f6df208e
[   13.735667][  T279] RDX: 0000000000000000 RSI: 00007ffd5a49f750 RDI: 0000000000000005
[   13.735864][  T279] RBP: 00007ffd5a49f6b0 R08: 0000000000000000 R09: 0000000000000000
[   13.736063][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e305
[   13.736269][  T279] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a49fe10
| [   13.787757][  T280] ------------[ cut here ]------------
| [   13.787945][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/280
| [   13.788255][  T280] Modules linked in:
| [   13.788726][  T280] Tainted: [W]=WARN
[   13.788872][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.789082][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.789309][  T280] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.789826][  T280] RSP: 0018:ffa0000000ce7020 EFLAGS: 00010286
[   13.790047][  T280] RAX: 00000000ffffffa6 RBX: ff1100000d8ab380 RCX: 1ff400000019cdca
[   13.790296][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8ab43c
[   13.790543][  T280] RBP: ff110000020bc000 R08: 1fe2200001b15689 R09: ff110000021d5158
[   13.790781][  T280] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.791023][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.791278][  T280] FS:  00007f223a682840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   13.791556][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.791765][  T280] CR2: 00007f223a9521a0 CR3: 00000000105ce005 CR4: 0000000000771ef0
[   13.792006][  T280] PKRU: 55555554
[   13.792167][  T280] Call Trace:
[   13.792312][  T280]  <TASK>
[   13.792430][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.792610][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.792757][  T280]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.792933][  T280]  __dev_notify_flags (net/core/dev.c:9787)
[   13.793111][  T280]  ? netif_change_name (net/core/dev.c:1495)
[   13.793301][  T280]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.793490][  T280]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.793668][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.793846][  T280]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.794024][  T280]  netif_change_flags (net/core/dev.c:9820)
[   13.794215][  T280]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.794400][  T280]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.794580][  T280]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.794760][  T280]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.794968][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.795159][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.795336][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.795522][  T280]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.795701][  T280]  ? __kernel_text_address (kernel/extable.c:79)
[   13.795882][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.796061][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.796252][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.796441][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.796621][  T280]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.796798][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.796975][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.797166][  T280]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.797348][  T280]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.797533][  T280]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.797712][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.797891][  T280]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.798071][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.798264][  T280]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.798451][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.798629][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.798810][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.798986][  T280]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.799174][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.799356][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.799540][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.799717][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.799894][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.800075][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.800265][  T280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.800452][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.800632][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.800809][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.800987][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.801176][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.801356][  T280]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.801543][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.801720][  T280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.801900][  T280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.802076][  T280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.802268][  T280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.802454][  T280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.802632][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.802812][  T280]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.803008][  T280]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.803201][  T280]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.803387][  T280]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.803568][  T280]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.803745][  T280]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.803951][  T280]  ? move_addr_to_kernel (net/socket.c:258)
[   13.804142][  T280]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.804324][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.804513][  T280]  ___sys_sendmsg (net/socket.c:2752)
[   13.804690][  T280]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.804900][  T280]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.805090][  T280]  __sys_sendmsg (net/socket.c:2784)
[   13.805281][  T280]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.805466][  T280]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.805682][  T280]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.805861][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.806040][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.806231][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.806414][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.806594][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.806800][  T280] RIP: 0033:0x7f223a8bc08e
[   13.806984][  T280] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.807515][  T280] RSP: 002b:00007ffea71d34c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.807756][  T280] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f223a8bc08e
[   13.808001][  T280] RDX: 0000000000000000 RSI: 00007ffea71d3570 RDI: 0000000000000005
[   13.808255][  T280] RBP: 00007ffea71d34d0 R08: 0000000000000000 R09: 0000000000000000
[   13.808505][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   13.808746][  T280] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea71d3c30
| [   13.868587][  T281] ------------[ cut here ]------------
| [   13.868738][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/281
| [   13.868967][  T281] Modules linked in:
| [   13.869336][  T281] Tainted: [W]=WARN
[   13.869440][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.869598][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.869765][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.870221][  T281] RSP: 0018:ffa0000000cf6ff8 EFLAGS: 00010286
[   13.870387][  T281] RAX: 00000000ffffffa6 RBX: ff1100000da34c80 RCX: 1ff400000019edc5
[   13.870576][  T281] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da34d3c
[   13.870764][  T281] RBP: ff11000009209000 R08: 1fe2200001b469a9 R09: ff110000021d0b58
[   13.870952][  T281] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.871149][  T281] R13: 0000000000000000 R14: ffa0000000cf7140 R15: ff1100000c2326d0
[   13.871341][  T281] FS:  00007ff0ae94e840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   13.871571][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.871730][  T281] CR2: 0000000032ce4988 CR3: 000000000c1aa002 CR4: 0000000000771ef0
[   13.871920][  T281] PKRU: 55555554
[   13.872015][  T281] Call Trace:
[   13.872112][  T281]  <TASK>
[   13.872185][  T281]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   13.872316][  T281]  __dev_change_net_namespace (net/core/dev.c:12635)
[   13.872484][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.872611][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.872739][  T281]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.872899][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.873024][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.873159][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.873287][  T281]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.873422][  T281]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.873552][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.873680][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.873808][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.873967][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.874095][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.874224][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.874351][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.874482][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   13.874610][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.874737][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.874863][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.874991][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.875126][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.875255][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.875385][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.875512][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.875640][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.875766][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.875894][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.876022][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.876155][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.876288][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.876422][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.876550][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.876676][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.876802][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.876929][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.877055][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.877193][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.877319][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.877449][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.877576][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.877706][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.877834][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.877961][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.878089][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.878221][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.878349][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.878481][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.878608][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.878733][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.878860][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.878991][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.879124][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.879254][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.879385][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.879513][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.879641][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.879769][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.879897][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.880028][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.880162][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.880288][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.880449][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   13.880576][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.880702][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.880829][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   13.880954][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.881112][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.881256][  T281]  __sys_sendmsg (net/socket.c:2784)
[   13.881388][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.881514][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.881673][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.881800][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.881928][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.882056][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.882188][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.882315][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.882477][  T281] RIP: 0033:0x7ff0aeb8808e
[   13.882611][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.883065][  T281] RSP: 002b:00007ffdc07ed480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.883262][  T281] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff0aeb8808e
[   13.883457][  T281] RDX: 0000000000000000 RSI: 00007ffdc07ed530 RDI: 0000000000000005
[   13.883646][  T281] RBP: 00007ffdc07ed490 R08: 0000000000000000 R09: 0000000000000000
[   13.883836][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   13.884025][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc07edbf0
| [   13.886714][  T281] ------------[ cut here ]------------
| [   13.886849][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/281
| [   13.887071][  T281] Modules linked in:
| [   13.887639][  T281] Tainted: [W]=WARN
[   13.887738][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.887900][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.888067][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.888530][  T281] RSP: 0018:ffa0000000cf6fc0 EFLAGS: 00010286
[   13.888693][  T281] RAX: 00000000ffffffa6 RBX: ff1100000cb7eac0 RCX: 1ff400000019edbe
[   13.888883][  T281] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb7eb7c
[   13.889074][  T281] RBP: ff11000009209000 R08: 1fe220000196fd71 R09: ff110000021d0b58
[   13.889271][  T281] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.889469][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c2326d0
[   13.889663][  T281] FS:  00007ff0ae94e840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   13.889888][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.890050][  T281] CR2: 0000000032ce4988 CR3: 000000000c1aa002 CR4: 0000000000771ef0
[   13.890248][  T281] PKRU: 55555554
[   13.890347][  T281] Call Trace:
[   13.890450][  T281]  <TASK>
[   13.890517][  T281]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.890648][  T281]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.890780][  T281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.890879][  T281]  __dev_change_net_namespace (net/core/dev.c:12695)
[   13.891041][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.891176][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.891308][  T281]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.891475][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.891603][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.891732][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.891862][  T281]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.891994][  T281]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.892130][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.892267][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.892402][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.892566][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.892697][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.892826][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.892954][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.893086][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   13.893226][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.893356][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.893491][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.893621][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.893749][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.893877][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.894008][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.894146][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.894277][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.894410][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.894541][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.894672][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.894801][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.894934][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.895065][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.895205][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.895334][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.895468][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.895597][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.895725][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.895858][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.895988][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.896124][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.896254][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.896388][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.896518][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.896647][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.896777][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.896906][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.897037][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.897172][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.897302][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.897435][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.897565][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.897701][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.897829][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.897959][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.898092][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.898224][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.898355][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.898490][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.898620][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.898753][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.898883][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.899012][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.899179][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   13.899309][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.899443][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.899574][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   13.899704][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.899865][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.900006][  T281]  __sys_sendmsg (net/socket.c:2784)
[   13.900143][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.900272][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.900441][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.900570][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.900700][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.900829][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.900960][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.901091][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.901255][  T281] RIP: 0033:0x7ff0aeb8808e
[   13.901394][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.901858][  T281] RSP: 002b:00007ffdc07ed480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.902053][  T281] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff0aeb8808e
[   13.902259][  T281] RDX: 0000000000000000 RSI: 00007ffdc07ed530 RDI: 0000000000000005
[   13.902458][  T281] RBP: 00007ffdc07ed490 R08: 0000000000000000 R09: 0000000000000000
[   13.902650][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   13.902844][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc07edbf0
| [   13.904757][  T281] ------------[ cut here ]------------
| [   13.904885][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/281
| [   13.905108][  T281] Modules linked in:
| [   13.905526][  T281] Tainted: [W]=WARN
[   13.905624][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.905788][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.905958][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.906430][  T281] RSP: 0018:ffa0000000cf7038 EFLAGS: 00010286
[   13.906595][  T281] RAX: 00000000ffffffa6 RBX: ff1100000cb7ee40 RCX: 1ff400000019edcd
[   13.906791][  T281] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb7eefc
[   13.906983][  T281] RBP: ff11000009209000 R08: 1fe220000196fde1 R09: ff110000021d0b58
[   13.907182][  T281] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.907374][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   13.907664][  T281] FS:  00007ff0ae94e840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   13.907890][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.908139][  T281] CR2: 0000000032ce4988 CR3: 000000000c1aa002 CR4: 0000000000771ef0
[   13.908334][  T281] PKRU: 55555554
[   13.908436][  T281] Call Trace:
[   13.908533][  T281]  <TASK>
[   13.908603][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.908817][  T281]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.908947][  T281]  notifier_call_chain (kernel/notifier.c:85)
[   13.909077][  T281]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   13.909213][  T281]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.909463][  T281]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   13.909625][  T281]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.909756][  T281]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.909970][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   13.910101][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.910235][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.910397][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.910609][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.910739][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.910868][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.910997][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   13.911213][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.911344][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.911478][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.911609][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.911820][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.911950][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.912080][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.912216][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.912435][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.912564][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.912694][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.912825][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.913036][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.913175][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.913308][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.913443][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.913654][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.913785][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.913915][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.914043][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.914181][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.914312][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.914449][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.914579][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.914791][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.914921][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.915050][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.915184][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.915400][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.915534][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.915662][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.915793][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.916004][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.916138][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.916270][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.916404][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.916619][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.916749][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.916880][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.917012][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.917228][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.917359][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.917496][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.917626][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.917838][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.917998][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   13.918131][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.918261][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.918478][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   13.918605][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.918766][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.918909][  T281]  __sys_sendmsg (net/socket.c:2784)
[   13.919127][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.919256][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.919425][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.919656][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.919789][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.919918][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.920047][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.920183][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.920345][  T281] RIP: 0033:0x7ff0aeb8808e
[   13.920486][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.921038][  T281] RSP: 002b:00007ffdc07ed480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.921238][  T281] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff0aeb8808e
[   13.921523][  T281] RDX: 0000000000000000 RSI: 00007ffdc07ed530 RDI: 0000000000000005
[   13.921716][  T281] RBP: 00007ffdc07ed490 R08: 0000000000000000 R09: 0000000000000000
[   13.921910][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   13.922194][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc07edbf0
| [   13.982771][  T282] ------------[ cut here ]------------
| [   13.982962][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/282
| [   13.983842][  T282] Modules linked in:
| [   13.984436][  T282] Tainted: [W]=WARN
[   13.984637][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.984904][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.985132][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.985655][  T282] RSP: 0018:ffa0000000d07020 EFLAGS: 00010286
[   13.985879][  T282] RAX: 00000000ffffffa6 RBX: ff1100000da35380 RCX: 1ff40000001a0dca
[   13.986131][  T282] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da3543c
[   13.986376][  T282] RBP: ff11000009209000 R08: 1fe2200001b46a89 R09: ff1100000f375158
[   13.986625][  T282] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.986865][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.987111][  T282] FS:  00007fd304712840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   13.987409][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.987621][  T282] CR2: 00007fd3049e21a0 CR3: 000000000c3ef005 CR4: 0000000000771ef0
[   13.987867][  T282] PKRU: 55555554
[   13.988013][  T282] Call Trace:
[   13.988168][  T282]  <TASK>
[   13.988283][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.988474][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.988628][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.988806][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   13.988987][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   13.989177][  T282]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.989357][  T282]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.989544][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.989724][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.989907][  T282]  netif_change_flags (net/core/dev.c:9820)
[   13.990087][  T282]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.990280][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.990472][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.990654][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.990865][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.991046][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.991233][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.991420][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.991600][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   13.991780][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.991959][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.992148][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.992330][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.992520][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.992699][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.992876][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.993055][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.993247][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.993430][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.993609][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.993791][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.993971][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.994167][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.994347][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.994527][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.994707][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.994884][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.995060][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.995257][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.995444][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.995623][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.995805][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.995984][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.996173][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.996352][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.996538][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.996720][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.996900][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.997076][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.997269][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.997457][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.997636][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.997818][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.997999][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.998194][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.998375][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.998561][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.998741][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.998921][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.999098][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.999290][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.999482][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.999659][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.999865][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   14.000044][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.000233][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.000418][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   14.000596][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.000809][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.000999][  T282]  __sys_sendmsg (net/socket.c:2784)
[   14.001193][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.001369][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.001590][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.001769][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.001949][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.002143][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.002321][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.002510][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.002720][  T282] RIP: 0033:0x7fd30494c08e
[   14.002906][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.003440][  T282] RSP: 002b:00007fffc01488b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.003687][  T282] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd30494c08e
[   14.003930][  T282] RDX: 0000000000000000 RSI: 00007fffc0148960 RDI: 0000000000000005
[   14.004184][  T282] RBP: 00007fffc01488c0 R08: 0000000000000000 R09: 0000000000000000
[   14.004441][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   14.004682][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc0149020
| [   14.007283][   T38] ------------[ cut here ]------------
| [   14.007423][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/38
| [   14.007661][   T38] Modules linked in:
| [   14.008032][   T38] Tainted: [W]=WARN
[   14.008131][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.008284][   T38] Workqueue: events_unbound linkwatch_event
[   14.008448][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.008605][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.009042][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   14.009261][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c546040 RCX: 1ff4000000055f02
[   14.009448][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5460fc
[   14.009628][   T38] RBP: ff110000020bc000 R08: 1fe22000018a8c21 R09: ff11000001da2ea8
[   14.009806][   T38] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   14.010001][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.010190][   T38] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   14.010407][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.010559][   T38] CR2: 00007f9c98818930 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   14.010742][   T38] PKRU: 55555554
[   14.010832][   T38] Call Trace:
[   14.010923][   T38]  <TASK>
[   14.010986][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.011107][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.011235][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.011328][   T38]  netif_state_change (net/core/dev.c:1605)
[   14.011457][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.011607][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.011725][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.011845][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.011971][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.012120][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.012241][   T38]  process_one_work (kernel/workqueue.c:3314)
[   14.012368][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.012495][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.012619][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.012743][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.012863][   T38]  kthread (kernel/kthread.c:436)
[   14.012953][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.013102][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.013229][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.013353][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.013509][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.013630][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.013751][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.105100][  T284] ------------[ cut here ]------------
| [   14.105307][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/284
| [   14.105555][  T284] Modules linked in:
| [   14.105935][  T284] Tainted: [W]=WARN
[   14.106037][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.106212][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.106399][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.106951][  T284] RSP: 0018:ffa0000000d27150 EFLAGS: 00010286
[   14.107180][  T284] RAX: 00000000ffffffa6 RBX: ff1100000ce71a80 RCX: 1ff40000001a4df0
[   14.107388][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce71b3c
[   14.107589][  T284] RBP: ff110000050d2000 R08: 1fe22000019ce369 R09: ff11000008e32e58
[   14.107845][  T284] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.108077][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4a7840
[   14.108286][  T284] FS:  00007ff28ebdb840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   14.108527][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.108762][  T284] CR2: 00007ffe0e5ffff0 CR3: 00000000104fd006 CR4: 0000000000771ef0
[   14.108987][  T284] PKRU: 55555554
[   14.109088][  T284] Call Trace:
[   14.109196][  T284]  <TASK>
[   14.109271][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.109418][  T284]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.109606][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.109758][  T284]  netif_state_change (net/core/dev.c:1605)
[   14.109894][  T284]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.110054][  T284]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   14.110287][  T284]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   14.110423][  T284]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   14.110551][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.110703][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.110860][  T284]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   14.110987][  T284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.111187][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.111315][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.111525][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.111654][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.111783][  T284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.111927][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.112054][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.112243][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.112372][  T284]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   14.112507][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.112636][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.112765][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.112892][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.113022][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.113207][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.113338][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.113473][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.113603][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.113734][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.113860][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.113991][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.114206][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.114335][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.114469][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.114600][  T284]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.114729][  T284]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.114860][  T284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.114989][  T284]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.115184][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.115348][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   14.115492][  T284]  ? folio_add_lru_vma (mm/swap.c:536)
[   14.115633][  T284]  ___sys_sendmsg (net/socket.c:2752)
[   14.115770][  T284]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.115903][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.116042][  T284]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   14.116258][  T284]  __sys_sendmsg (net/socket.c:2784)
[   14.116395][  T284]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.116529][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.116657][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.116791][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.116920][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.117055][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.117274][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.117442][  T284] RIP: 0033:0x7ff28ee1508e
[   14.117578][  T284] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.118041][  T284] RSP: 002b:00007ffe0e600c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.118306][  T284] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff28ee1508e
[   14.118516][  T284] RDX: 0000000000000000 RSI: 00007ffe0e600d20 RDI: 0000000000000006
[   14.118707][  T284] RBP: 00007ffe0e600c80 R08: 0000000000000000 R09: 0000000000000000
[   14.118901][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   14.119094][  T284] R13: 00007ffe0e600dd0 R14: 00007ffe0e602a10 R15: 00000000fffffff5
| [   14.121859][  T284] ------------[ cut here ]------------
| [   14.122056][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/284
| [   14.122410][  T284] Modules linked in:
| [   14.122884][  T284] Tainted: [W]=WARN
[   14.122982][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.123159][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.123332][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.123797][  T284] RSP: 0018:ffa0000000d27150 EFLAGS: 00010286
[   14.123959][  T284] RAX: 00000000ffffffa6 RBX: ff1100000979c040 RCX: 1ff40000001a4df0
[   14.124180][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979c0fc
[   14.124374][  T284] RBP: ff11000009209000 R08: 1fe22000012f3821 R09: ff11000008e32e58
[   14.124579][  T284] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.124770][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b962dc0
[   14.124967][  T284] FS:  00007ff28ebdb840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   14.125197][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.125359][  T284] CR2: 00000000004eba78 CR3: 00000000104fd002 CR4: 0000000000771ef0
[   14.125559][  T284] PKRU: 55555554
[   14.125656][  T284] Call Trace:
[   14.125753][  T284]  <TASK>
[   14.125820][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.125951][  T284]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.126084][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.126191][  T284]  netif_state_change (net/core/dev.c:1605)
[   14.126321][  T284]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.126499][  T284]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   14.126661][  T284]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   14.126789][  T284]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   14.126923][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.127050][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.127185][  T284]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   14.127313][  T284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.127448][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.127576][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.127720][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.127852][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.127980][  T284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.128107][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.128241][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.128373][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.128508][  T284]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   14.128638][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.128767][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.128895][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.129023][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.129160][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.129288][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.129425][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.129555][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.129683][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.129817][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.129944][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.130074][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.130211][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.130341][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.130477][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.130606][  T284]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.130737][  T284]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.130870][  T284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.130999][  T284]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.131133][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.131293][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   14.131427][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.131557][  T284]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.131720][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.131847][  T284]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.132008][  T284]  ___sys_sendmsg (net/socket.c:2752)
[   14.132146][  T284]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.132277][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.132423][  T284]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   14.132550][  T284]  ? do_getsockname (net/socket.c:2192)
[   14.132682][  T284]  __sys_sendmsg (net/socket.c:2784)
[   14.132810][  T284]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.132943][  T284]  ? __sys_getsockname (net/socket.c:2210)
[   14.133071][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.133208][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.133337][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.133473][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.133601][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.133763][  T284] RIP: 0033:0x7ff28ee1508e
[   14.133898][  T284] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.134359][  T284] RSP: 002b:00007ffe0e600c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.134564][  T284] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff28ee1508e
[   14.134758][  T284] RDX: 0000000000000000 RSI: 00007ffe0e600d20 RDI: 0000000000000006
[   14.134949][  T284] RBP: 00007ffe0e600c80 R08: 0000000000000000 R09: 0000000000000000
[   14.135144][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   14.135335][  T284] R13: 00007ffe0e600dd0 R14: 000000000049f620 R15: 0000000000000004
| [   14.145704][  T284] ------------[ cut here ]------------
| [   14.145894][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/284
| [   14.146237][  T284] Modules linked in:
| [   14.146747][  T284] Tainted: [W]=WARN
[   14.146896][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.147109][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.147360][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.147893][  T284] RSP: 0018:ffa0000000d26ee0 EFLAGS: 00010286
[   14.148108][  T284] RAX: 00000000ffffffa6 RBX: ff1100000979d540 RCX: 1ff40000001a4da2
[   14.148366][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d5fc
[   14.148620][  T284] RBP: ff11000009209000 R08: 1fe22000012f3ac1 R09: ff11000008e32e58
[   14.148870][  T284] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.149112][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   14.149373][  T284] FS:  00007ff28ebdb840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   14.149669][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.149882][  T284] CR2: 00007fd3049e21a0 CR3: 00000000104fd006 CR4: 0000000000771ef0
[   14.150143][  T284] PKRU: 55555554
[   14.150290][  T284] Call Trace:
[   14.150448][  T284]  <TASK>
[   14.150564][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.150748][  T284]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.150930][  T284]  notifier_call_chain (kernel/notifier.c:85)
[   14.151113][  T284]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   14.151304][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.151495][  T284]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.151676][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.151863][  T284]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   14.152043][  T284]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   14.152236][  T284]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   14.152427][  T284]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   14.152612][  T284]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   14.152794][  T284]  br_add_if (net/bridge/br_if.c:619)
[   14.152950][  T284]  do_set_master (net/core/rtnetlink.c:3011)
[   14.153145][  T284]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.153326][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.153538][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.153721][  T284]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.153904][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.154084][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.154275][  T284]  ? reinit_class (kernel/locking/lockdep.c:6290 (discriminator 1))
[   14.154465][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.154643][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.154824][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.155005][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.155202][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.155391][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.155572][  T284]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   14.155784][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.155965][  T284]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.156190][  T284]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.156371][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.156562][  T284]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.156742][  T284]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.156925][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.157110][  T284]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.157309][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.157499][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.157681][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.157865][  T284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.158046][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.158241][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.158436][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.158630][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.158810][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.158992][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.159188][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.159368][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.159558][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.159737][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.159924][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.160109][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.160305][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.160504][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.160685][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.160868][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.161047][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.161246][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.161433][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.161614][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.161795][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.161976][  T284]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.162171][  T284]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.162353][  T284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.162542][  T284]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.162724][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.162935][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   14.163131][  T284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.163312][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.163497][  T284]  ___sys_sendmsg (net/socket.c:2752)
[   14.163676][  T284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.163890][  T284]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.164081][  T284]  __sys_sendmsg (net/socket.c:2784)
[   14.164272][  T284]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.164458][  T284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.164673][  T284]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.164852][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.165032][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.165225][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.165418][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.165603][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.165873][  T284] RIP: 0033:0x7ff28ee1508e
[   14.166101][  T284] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.166643][  T284] RSP: 002b:00007ffe0e602280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.166890][  T284] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff28ee1508e
[   14.167145][  T284] RDX: 0000000000000000 RSI: 00007ffe0e602330 RDI: 0000000000000005
[   14.167396][  T284] RBP: 00007ffe0e602290 R08: 0000000000000000 R09: 0000000000000000
[   14.167644][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   14.167890][  T284] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0e6029f0
| [   14.170059][  T284] ------------[ cut here ]------------
| [   14.170208][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/284
| [   14.170456][  T284] Modules linked in:
| [   14.170849][  T284] Tainted: [W]=WARN
[   14.170955][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.171134][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.171314][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.171813][  T284] RSP: 0018:ffa0000000d26ea0 EFLAGS: 00010286
[   14.171993][  T284] RAX: 00000000ffffffa6 RBX: ff1100000979d8c0 RCX: 1ff40000001a4d9a
[   14.172206][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d97c
[   14.172420][  T284] RBP: ff11000009209000 R08: 1fe22000012f3b31 R09: ff11000008e32e58
[   14.172626][  T284] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   14.172833][  T284] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050d2dc0
[   14.173043][  T284] FS:  00007ff28ebdb840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   14.173293][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.173472][  T284] CR2: 00007ff791fdc930 CR3: 00000000104fd002 CR4: 0000000000771ef0
[   14.173681][  T284] PKRU: 55555554
[   14.173784][  T284] Call Trace:
[   14.173888][  T284]  <TASK>
[   14.173960][  T284]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.174103][  T284]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.174216][  T284]  __dev_notify_flags (net/core/dev.c:9787)
[   14.174357][  T284]  ? netdev_notice (net/core/dev.c:13008)
[   14.174502][  T284]  ? netif_change_name (net/core/dev.c:1495)
[   14.174641][  T284]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   14.174816][  T284]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.174958][  T284]  __dev_set_promiscuity (net/core/dev.c:9630)
[   14.175098][  T284]  netif_set_promiscuity (net/core/dev.c:9639)
[   14.175244][  T284]  dev_set_promiscuity (net/core/dev_api.c:288)
[   14.175390][  T284]  br_port_set_promisc (net/bridge/br_if.c:108)
[   14.175531][  T284]  br_manage_promisc (net/bridge/br_if.c:174)
[   14.175670][  T284]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   14.175812][  T284]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   14.175921][  T284]  do_set_master (net/core/rtnetlink.c:3011)
[   14.176062][  T284]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.176210][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.176350][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.176494][  T284]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.176634][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.176774][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.176912][  T284]  ? reinit_class (kernel/locking/lockdep.c:6290 (discriminator 1))
[   14.177051][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.177197][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.177336][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.177483][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.177622][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.177764][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.177901][  T284]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   14.178074][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.178221][  T284]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.178397][  T284]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.178537][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.178679][  T284]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.178817][  T284]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.178958][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.179100][  T284]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.179247][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.179389][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.179528][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.179670][  T284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.179809][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.179951][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.180090][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.180232][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.180373][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.180516][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.180655][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.180796][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.180935][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.181072][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.181219][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.181358][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.181501][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.181638][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.181776][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.181918][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.182058][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.182202][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.182342][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.182486][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.182626][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.182766][  T284]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.182907][  T284]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.183048][  T284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.183203][  T284]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.183340][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.183517][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   14.183657][  T284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.183795][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.183937][  T284]  ___sys_sendmsg (net/socket.c:2752)
[   14.184074][  T284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.184258][  T284]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.184411][  T284]  __sys_sendmsg (net/socket.c:2784)
[   14.184551][  T284]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.184692][  T284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.184868][  T284]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.185006][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.185153][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.185298][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.185442][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.185580][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.185751][  T284] RIP: 0033:0x7ff28ee1508e
[   14.185897][  T284] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.186402][  T284] RSP: 002b:00007ffe0e602280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.186612][  T284] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff28ee1508e
[   14.186820][  T284] RDX: 0000000000000000 RSI: 00007ffe0e602330 RDI: 0000000000000005
[   14.187027][  T284] RBP: 00007ffe0e602290 R08: 0000000000000000 R09: 0000000000000000
[   14.187244][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   14.187459][  T284] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0e6029f0
| [   14.189875][  T284] ------------[ cut here ]------------
| [   14.190003][  T284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/284
| [   14.190239][  T284] Modules linked in:
| [   14.190613][  T284] Tainted: [W]=WARN
[   14.190712][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.190876][  T284] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.191046][  T284] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.191525][  T284] RSP: 0018:ffa0000000d26f78 EFLAGS: 00010286
[   14.191688][  T284] RAX: 00000000ffffffa6 RBX: ff1100000da23000 RCX: 1ff40000001a4db5
[   14.191881][  T284] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da230bc
[   14.192074][  T284] RBP: ff110000050d2000 R08: 1fe2200001b44619 R09: ff11000008e32e58
[   14.192278][  T284] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   14.192477][  T284] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   14.192674][  T284] FS:  00007ff28ebdb840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   14.192903][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.193071][  T284] CR2: 00007ff791fdc930 CR3: 00000000104fd002 CR4: 0000000000771ef0
[   14.193274][  T284] PKRU: 55555554
[   14.193373][  T284] Call Trace:
[   14.193479][  T284]  <TASK>
[   14.193546][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.193676][  T284]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.193808][  T284]  notifier_call_chain (kernel/notifier.c:85)
[   14.193941][  T284]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   14.194110][  T284]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[   14.194281][  T284]  ? netdev_change_features (net/core/dev.c:11117)
[   14.194419][  T284]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   14.194554][  T284]  br_add_if (net/bridge/br_if.c:683)
[   14.194657][  T284]  do_set_master (net/core/rtnetlink.c:3011)
[   14.194790][  T284]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.194925][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.195061][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.195197][  T284]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.195329][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.195467][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.195599][  T284]  ? reinit_class (kernel/locking/lockdep.c:6290 (discriminator 1))
[   14.195732][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.195863][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.195999][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.196134][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.196266][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.196403][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.196535][  T284]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   14.196699][  T284]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.196830][  T284]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.196997][  T284]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.197131][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.197264][  T284]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.197399][  T284]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.197534][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.197669][  T284]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.197803][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.197938][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.198071][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.198210][  T284]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.198343][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.198484][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.198614][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.198746][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.198878][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.199014][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.199160][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.199297][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.199430][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.199559][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.199692][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.199823][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.199959][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.200091][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.200228][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.200366][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.200503][  T284]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.200638][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.200772][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.200991][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.201132][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.201269][  T284]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.201407][  T284]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.201539][  T284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.201670][  T284]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.201801][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.201962][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   14.202097][  T284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.202232][  T284]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.202364][  T284]  ___sys_sendmsg (net/socket.c:2752)
[   14.202499][  T284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.202662][  T284]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.202805][  T284]  __sys_sendmsg (net/socket.c:2784)
[   14.202937][  T284]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.203072][  T284]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.203243][  T284]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.203376][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.203515][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.203646][  T284]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.203775][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.203906][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.204068][  T284] RIP: 0033:0x7ff28ee1508e
[   14.204310][  T284] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.204782][  T284] RSP: 002b:00007ffe0e602280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.204981][  T284] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff28ee1508e
[   14.205195][  T284] RDX: 0000000000000000 RSI: 00007ffe0e602330 RDI: 0000000000000005
[   14.205395][  T284] RBP: 00007ffe0e602290 R08: 0000000000000000 R09: 0000000000000000
[   14.205591][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e306
[   14.205787][  T284] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0e6029f0
| [   18.481059][   T67] ------------[ cut here ]------------
| [   18.481319][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.481581][   T67] Modules linked in:
| [   18.482076][   T67] Tainted: [W]=WARN
[   18.482247][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.482410][   T67] Workqueue: netns cleanup_net
[   18.482538][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.482701][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.483128][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.483280][   T67] RAX: 00000000ffffffa6 RBX: ff1100000db7bc40 RCX: 1ff4000000090eed
[   18.483465][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000db7bcfc
[   18.483643][   T67] RBP: ff1100000f2fc000 R08: 1fe2200001b6f7a1 R09: ff110000091a8bd0
[   18.483821][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.484001][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.484196][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.484412][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.484565][   T67] CR2: 00007f39041ce000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.484744][   T67] PKRU: 55555554
[   18.484839][   T67] Call Trace:
[   18.484979][   T67]  <TASK>
[   18.485042][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.485202][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.485352][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.485478][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.485599][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.485716][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.485834][   T67]  ? 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)
[   18.485953][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.486070][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.486194][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.486311][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.486435][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.486563][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.486686][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.486806][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.486927][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.487042][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.487188][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.487309][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.487430][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.487552][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.487674][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.487790][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.487908][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.488024][   T67]  kthread (kernel/kthread.c:436)
[   18.488112][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.488305][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.488431][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.488550][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.488695][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.488811][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.488927][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.491609][   T67] ------------[ cut here ]------------
| [   18.491738][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.491968][   T67] Modules linked in:
| [   18.492382][   T67] Tainted: [W]=WARN
[   18.492478][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.492626][   T67] Workqueue: netns cleanup_net
[   18.492749][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.492899][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.493324][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.493481][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a14eac0 RCX: 1ff4000000090eed
[   18.493657][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14eb7c
[   18.493831][   T67] RBP: ff1100000f379000 R08: 1fe2200001429d71 R09: ff110000091a8bd0
[   18.494006][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.494188][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.494365][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.494576][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.494724][   T67] CR2: 00007f39041ce000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.494901][   T67] PKRU: 55555554
[   18.494992][   T67] Call Trace:
[   18.495079][   T67]  <TASK>
[   18.495148][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.495299][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.495451][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.495569][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.495689][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.495805][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.495925][   T67]  ? 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)
[   18.496043][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.496168][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.496286][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.496410][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.496528][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.496647][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.496765][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.496887][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.497006][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.497128][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.497249][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.497374][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.497494][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.497615][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.497733][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.497851][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.497971][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.498086][   T67]  kthread (kernel/kthread.c:436)
[   18.498180][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.498331][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.498479][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.498630][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.498819][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.498972][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.499096][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.501402][   T67] ------------[ cut here ]------------
| [   18.501523][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.501752][   T67] Modules linked in:
| [   18.502107][   T67] Tainted: [W]=WARN
[   18.502692][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.502841][   T67] Workqueue: netns cleanup_net
[   18.502963][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.503167][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.503590][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.503738][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a14e740 RCX: 1ff4000000090eed
[   18.503917][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14e7fc
[   18.504091][   T67] RBP: ff1100000fe44000 R08: 1fe2200001429d01 R09: ff110000091a8bd0
[   18.504319][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.504501][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.504679][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.504885][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.505031][   T67] CR2: 00007f39041ce000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.505258][   T67] PKRU: 55555554
[   18.505345][   T67] Call Trace:
[   18.505436][   T67]  <TASK>
[   18.505496][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.505646][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.505792][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.505912][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.506029][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.506196][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.506314][   T67]  ? 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)
[   18.506437][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.506556][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.506674][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.506790][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.506919][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.507039][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.507203][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.507319][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.507444][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.507561][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.507681][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.507801][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.507917][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.508038][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.508201][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.508318][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.508442][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.508559][   T67]  kthread (kernel/kthread.c:436)
[   18.508647][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.508792][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.508911][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.509029][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.509223][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.509341][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.509465][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.512046][   T67] ------------[ cut here ]------------
| [   18.512186][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   18.512424][   T67] Modules linked in:
| [   18.512783][   T67] Tainted: [W]=WARN
[   18.512872][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.513020][   T67] Workqueue: netns cleanup_net
[   18.513152][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.513309][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.513739][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.513887][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a14fa80 RCX: 1ff4000000090eed
[   18.514062][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14fb3c
[   18.514249][   T67] RBP: ff11000010784000 R08: 1fe2200001429f69 R09: ff110000091a8bd0
[   18.514433][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.514608][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.514784][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   18.514989][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.515146][   T67] CR2: 00007f33ba04a2a0 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   18.515329][   T67] PKRU: 55555554
[   18.515422][   T67] Call Trace:
[   18.515510][   T67]  <TASK>
[   18.515572][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.515721][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.515866][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.515983][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.516100][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.516223][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.516340][   T67]  ? 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)
[   18.516464][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.516583][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.516699][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.516815][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.516940][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.517059][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.517183][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.517300][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.517424][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.517545][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.517664][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.517785][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.517903][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.518025][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.518151][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.518268][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.518386][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.518508][   T67]  kthread (kernel/kthread.c:436)
[   18.518607][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.518756][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.518874][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.518992][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.519144][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.519262][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.519385][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.522382][   T67] ------------[ cut here ]------------
| [   18.522575][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   18.522921][   T67] Modules linked in:
| [   18.523498][   T67] Tainted: [W]=WARN
[   18.523636][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.523876][   T67] Workqueue: netns cleanup_net
[   18.524082][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.524345][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.525029][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.525277][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a14fe00 RCX: 1ff4000000090eed
[   18.525548][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14febc
[   18.525794][   T67] RBP: ff11000008591000 R08: 1fe2200001429fd9 R09: ff110000091a8bd0
[   18.526046][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.526312][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.526573][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   18.526871][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.527086][   T67] CR2: 00007f33ba04a2a0 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   18.527346][   T67] PKRU: 55555554
[   18.527482][   T67] Call Trace:
[   18.527609][   T67]  <TASK>
[   18.527700][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.527919][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.528153][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.528339][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.528528][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.528708][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.528889][   T67]  ? 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)
[   18.529073][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.529268][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.529456][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.529640][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.529824][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.530011][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.530204][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.530386][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.530574][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.530747][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.530927][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.531101][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.531288][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.531479][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.531661][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.531830][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.532011][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.532199][   T67]  kthread (kernel/kthread.c:436)
[   18.532338][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.532566][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.532733][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.532914][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.533145][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.533326][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.533512][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.552770][   T67] ------------[ cut here ]------------
| [   18.552976][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   18.553367][   T67] Modules linked in:
| [   18.553970][   T67] Tainted: [W]=WARN
[   18.554132][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.554374][   T67] Workqueue: netns cleanup_net
[   18.554583][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.554838][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.555537][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   18.555782][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a14ee40 RCX: 1ff4000000090eaf
[   18.556065][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14eefc
[   18.556362][   T67] RBP: ff1100000839c000 R08: 1fe2200001429de1 R09: ff110000091a8bd0
[   18.556651][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.556938][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a08c000
[   18.557235][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   18.557578][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.557818][   T67] CR2: 00007f33ba04a2a0 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   18.558105][   T67] PKRU: 55555554
[   18.558345][   T67] Call Trace:
[   18.558496][   T67]  <TASK>
[   18.558598][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.558797][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.558946][   T67]  netif_close_many (net/core/dev.c:1804)
[   18.559231][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.559431][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.559620][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.559810][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   18.560003][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.560340][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.560675][   T67]  ? 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)
[   18.560869][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.561106][   T67]  ? 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)
[   18.561386][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.561581][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.561822][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.562020][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.562304][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.562506][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.562699][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.562895][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.563088][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.563372][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.563569][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.563761][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.563959][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.564241][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.564435][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.564632][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.564825][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.565020][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.565305][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.565501][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.565704][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.565900][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.566090][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.566377][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.566574][   T67]  kthread (kernel/kthread.c:436)
[   18.566716][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.566954][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.567233][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.567432][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.567672][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.567864][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.568060][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.573832][   T67] ------------[ cut here ]------------
| [   18.574030][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   18.575233][   T67] Modules linked in:
| [   18.575829][   T67] Tainted: [W]=WARN
[   18.575974][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.576306][   T67] Workqueue: netns cleanup_net
[   18.576514][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.576763][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.577554][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   18.577802][   T67] RAX: 00000000ffffffa6 RBX: ff11000009259540 RCX: 1ff4000000090eaf
[   18.578089][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092595fc
[   18.578470][   T67] RBP: ff1100000a08c000 R08: 1fe220000124b2c1 R09: ff110000091a8bd0
[   18.578761][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.579053][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001045c000
[   18.579432][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   18.579766][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.580007][   T67] CR2: 00007f33ba04a2a0 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   18.580386][   T67] PKRU: 55555554
[   18.580543][   T67] Call Trace:
[   18.580685][   T67]  <TASK>
[   18.580788][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.580981][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.581262][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.581415][   T67]  netif_close_many (net/core/dev.c:1804)
[   18.581606][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.581796][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.581990][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.582262][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   18.582459][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.582699][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.582939][   T67]  ? 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)
[   18.583216][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.583462][   T67]  ? 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)
[   18.583654][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.583844][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.584083][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.584359][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.584555][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.584745][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.584934][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.585213][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.585411][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.585602][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.585790][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.585982][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.586260][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.586453][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.586646][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.586838][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.587027][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.587303][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.587506][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.587694][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.587896][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.588092][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.588364][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.588563][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.588752][   T67]  kthread (kernel/kthread.c:436)
[   18.588896][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.589213][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.589408][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.589600][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.589841][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.590031][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.590310][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.595028][   T67] ------------[ cut here ]------------
| [   18.595265][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   18.595519][   T67] Modules linked in:
| [   18.595898][   T67] Tainted: [W]=WARN
[   18.595993][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.596159][   T67] Workqueue: netns cleanup_net
[   18.596290][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.596457][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.596897][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   18.597060][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d963e00 RCX: 1ff4000000090eaf
[   18.597257][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d963ebc
[   18.597443][   T67] RBP: ff1100001045c000 R08: 1fe2200001b2c7d9 R09: ff110000091a8bd0
[   18.597625][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   18.597811][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   18.597996][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   18.598219][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.598374][   T67] CR2: 0000564ec2cf52b8 CR3: 000000000f5f8001 CR4: 0000000000771ef0
[   18.598564][   T67] PKRU: 55555554
[   18.598735][   T67] Call Trace:
[   18.598828][   T67]  <TASK>
[   18.598892][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.599016][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.599222][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.599318][   T67]  netif_close_many (net/core/dev.c:1804)
[   18.599445][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.599566][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.599689][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.599888][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   18.600010][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.600170][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.600405][   T67]  ? 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)
[   18.600530][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.600680][   T67]  ? 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)
[   18.600807][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.601009][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.601216][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.601342][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.601471][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.601592][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.601720][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.601926][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.602050][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.602230][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.602354][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.602482][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.602606][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.602728][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.602851][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.602974][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.603095][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.603269][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.603400][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.603524][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.603651][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.603776][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.603898][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.604022][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.604195][   T67]  kthread (kernel/kthread.c:436)
[   18.604289][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.604445][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.604567][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.604691][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.604843][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.604966][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.605088][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.616648][   T67] ------------[ cut here ]------------
| [   18.616786][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.617023][   T67] Modules linked in:
| [   18.617456][   T67] Tainted: [W]=WARN
[   18.617545][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.617691][   T67] Workqueue: netns cleanup_net
[   18.617813][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.617965][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.618413][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   18.618561][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d962ac0 RCX: 1ff4000000090ed5
[   18.618742][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d962b7c
[   18.618921][   T67] RBP: ff1100000839c000 R08: 1fe2200001b2c571 R09: ff110000091a8bd0
[   18.619096][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.619278][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.619463][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.619669][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.619817][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.620000][   T67] PKRU: 55555554
[   18.620088][   T67] Call Trace:
[   18.620186][   T67]  <TASK>
[   18.620251][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.620407][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.620555][   T67]  ? 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)
[   18.620672][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.620790][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.620941][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.621065][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.621195][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.621315][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.621440][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.621559][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.621677][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.621794][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.621912][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.622032][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.622157][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.622274][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.622398][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.622516][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.622635][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.622757][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.622873][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.622997][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.623125][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.623244][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.623364][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.623486][   T67]  kthread (kernel/kthread.c:436)
[   18.623574][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.623725][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.623846][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.623964][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.624121][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.624245][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.624365][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.628833][   T67] ------------[ cut here ]------------
| [   18.628968][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.629227][   T67] Modules linked in:
| [   18.629621][   T67] Tainted: [W]=WARN
[   18.629718][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.629877][   T67] Workqueue: netns cleanup_net
[   18.630009][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.630179][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.630634][   T67] RSP: 0018:ffa0000000487650 EFLAGS: 00010286
[   18.630794][   T67] RAX: 00000000ffffffa6 RBX: ff110000029b4c80 RCX: 1ff4000000090e90
[   18.630982][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029b4d3c
[   18.631182][   T67] RBP: ff110000050d2000 R08: 1fe22000005369a9 R09: ff110000091a8bd0
[   18.631380][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   18.631578][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.631776][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.632003][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.632218][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.632413][   T67] PKRU: 55555554
[   18.632509][   T67] Call Trace:
[   18.632603][   T67]  <TASK>
[   18.632670][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.632797][   T67]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.632926][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   18.633059][   T67]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   18.633288][   T67]  ? __dev_open (./include/net/netdev_lock.h:33)
[   18.633421][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.633548][   T67]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   18.633675][   T67]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   18.633802][   T67]  br_del_if (net/bridge/br_if.c:735)
[   18.633900][   T67]  br_device_event (net/bridge/br.c:127)
[   18.634031][   T67]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.634213][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   18.634342][   T67]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   18.634506][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.634663][   T67]  ? 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)
[   18.634792][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.634920][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.635085][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.635266][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.635397][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.635524][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.635654][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.635783][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.635910][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.636037][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.636221][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.636354][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.636490][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.636620][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.636754][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.636884][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.637012][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.637196][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.637328][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.637463][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.637591][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.637718][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.637846][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.637973][   T67]  kthread (kernel/kthread.c:436)
[   18.638070][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.638282][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.638414][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.638543][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.638703][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.638830][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.638959][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.641410][   T67] ------------[ cut here ]------------
| [   18.641543][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   18.641793][   T67] Modules linked in:
| [   18.642193][   T67] Tainted: [W]=WARN
[   18.642299][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.642463][   T67] Workqueue: netns cleanup_net
[   18.642596][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.642762][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.643231][   T67] RSP: 0018:ffa00000004875c8 EFLAGS: 00010286
[   18.643398][   T67] RAX: 00000000ffffffa6 RBX: ff110000029b4740 RCX: 1ff4000000090e7f
[   18.643589][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029b47fc
[   18.643778][   T67] RBP: ff110000050d2000 R08: 1fe2200000536901 R09: ff110000091a8bd0
[   18.643967][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   18.644163][   T67] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[   18.644355][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   18.644584][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.644743][   T67] CR2: 0000564ec2cf52b8 CR3: 000000000f5f8001 CR4: 0000000000771ef0
[   18.644936][   T67] PKRU: 55555554
[   18.645031][   T67] Call Trace:
[   18.645131][   T67]  <TASK>
[   18.645199][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.645328][   T67]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.645460][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   18.645590][   T67]  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)
[   18.645752][   T67]  ? netdev_change_features (net/core/dev.c:11117)
[   18.645881][   T67]  ? __dev_open (./include/net/netdev_lock.h:33)
[   18.646010][   T67]  br_del_if (net/bridge/br_if.c:737)
[   18.646107][   T67]  br_device_event (net/bridge/br.c:127)
[   18.646247][   T67]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.646377][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   18.646511][   T67]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   18.646672][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.646831][   T67]  ? 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)
[   18.646957][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.647084][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.647254][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.647383][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.647514][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.647640][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.647769][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.647898][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.648026][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.648158][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.648287][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.648420][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.648547][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.648674][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.648805][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.648932][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.649059][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.649197][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.649324][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.649463][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.649591][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.649717][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.649847][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.649973][   T67]  kthread (kernel/kthread.c:436)
[   18.650069][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.650233][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.650361][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.650493][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.650651][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.650779][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.650907][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.658318][   T67] ------------[ cut here ]------------
| [   18.658453][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   18.658686][   T67] Modules linked in:
| [   18.659043][   T67] Tainted: [W]=WARN
[   18.659139][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.659287][   T67] Workqueue: netns cleanup_net
[   18.659415][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.659568][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.659988][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   18.660141][   T67] RAX: 00000000ffffffa6 RBX: ff110000029b43c0 RCX: 1ff4000000090ed5
[   18.660317][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029b447c
[   18.660497][   T67] RBP: ff1100000a08c000 R08: 1fe2200000536891 R09: ff110000091a8bd0
[   18.660678][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.660854][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.661031][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   18.661245][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.661399][   T67] CR2: 0000564ec2cf52b8 CR3: 000000000f5f8001 CR4: 0000000000771ef0
[   18.661590][   T67] PKRU: 55555554
[   18.661678][   T67] Call Trace:
[   18.661764][   T67]  <TASK>
[   18.661825][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.661975][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.662127][   T67]  ? 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)
[   18.662246][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.662363][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.662519][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.662639][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.662757][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.662874][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.662993][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.663114][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.663238][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.663356][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.663480][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.663599][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.663717][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.663834][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.663953][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.664070][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.664196][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.664319][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.664439][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.664561][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.664680][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.664797][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.664919][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.665036][   T67]  kthread (kernel/kthread.c:436)
[   18.665129][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.665276][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.665399][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.665519][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.665667][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.665792][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.665910][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.668830][   T67] ------------[ cut here ]------------
| [   18.668953][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   18.669195][   T67] Modules linked in:
| [   18.669556][   T67] Tainted: [W]=WARN
[   18.669645][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.669793][   T67] Workqueue: netns cleanup_net
[   18.669917][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.670069][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.670496][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   18.670650][   T67] RAX: 00000000ffffffa6 RBX: ff1100000dd42c80 RCX: 1ff4000000090ed5
[   18.670829][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd42d3c
[   18.671007][   T67] RBP: ff1100001045c000 R08: 1fe2200001ba85a9 R09: ff110000091a8bd0
[   18.671187][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.671361][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.671543][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   18.671749][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.671896][   T67] CR2: 0000564ec2cf52b8 CR3: 000000000f5f8001 CR4: 0000000000771ef0
[   18.672075][   T67] PKRU: 55555554
[   18.672168][   T67] Call Trace:
[   18.672259][   T67]  <TASK>
[   18.672321][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.672475][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.672622][   T67]  ? 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)
[   18.672740][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.672856][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.673007][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.673131][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.673252][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.673369][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.673492][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.673613][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.673731][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.673849][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.673966][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.674087][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.674213][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.674332][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.674456][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.674574][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.674767][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.674888][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.675006][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.675134][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.675325][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.675448][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.675567][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.675684][   T67]  kthread (kernel/kthread.c:436)
[   18.675845][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.675990][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.676111][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.676234][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.676457][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.676576][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.676699][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.720838][   T67] ------------[ cut here ]------------
| [   18.721012][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.721443][   T67] Modules linked in:
| [   18.721895][   T67] Tainted: [W]=WARN
[   18.722031][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.722239][   T67] Workqueue: netns cleanup_net
[   18.722417][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.722619][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.723089][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.723315][   T67] RAX: 00000000ffffffa6 RBX: ff110000029b5e00 RCX: 1ff4000000090eed
[   18.723550][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029b5ebc
[   18.723772][   T67] RBP: ff1100000e77c000 R08: 1fe2200000536bd9 R09: ff110000091a8bd0
[   18.723992][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.724224][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.724458][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.724711][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.724905][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.725144][   T67] PKRU: 55555554
[   18.725279][   T67] Call Trace:
[   18.725419][   T67]  <TASK>
[   18.725528][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.725737][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.725929][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.726093][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.726274][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.726449][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.726616][   T67]  ? 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)
[   18.726784][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.726952][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.727130][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.727328][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.727503][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.727667][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.727836][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.728003][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.728185][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.728354][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.728525][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.728696][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.728865][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.729031][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.729213][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.729380][   T67]  kthread (kernel/kthread.c:436)
[   18.729524][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.729720][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.729886][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.730054][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.730263][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.730440][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.730607][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.733225][   T67] ------------[ cut here ]------------
| [   18.733390][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.733679][   T67] Modules linked in:
| [   18.734143][   T67] Tainted: [W]=WARN
[   18.734279][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.734480][   T67] Workqueue: netns cleanup_net
[   18.734653][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.734852][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.735343][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.735548][   T67] RAX: 00000000ffffffa6 RBX: ff110000029b5700 RCX: 1ff4000000090eed
[   18.735771][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029b57bc
[   18.735997][   T67] RBP: ff1100000f071000 R08: 1fe2200000536af9 R09: ff110000091a8bd0
[   18.736236][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.736466][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.736691][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.736943][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.737151][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.737378][   T67] PKRU: 55555554
[   18.737528][   T67] Call Trace:
[   18.737662][   T67]  <TASK>
[   18.737771][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.737982][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.738192][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.738360][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.738533][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.738701][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.738869][   T67]  ? 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)
[   18.739037][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.739220][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.739384][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.739561][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.739728][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.739893][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.740062][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.740241][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.740416][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.740588][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.740753][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.740924][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.741097][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.741276][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.741451][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.741620][   T67]  kthread (kernel/kthread.c:436)
[   18.741758][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.741952][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.742132][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.742299][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.742502][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.742667][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.742833][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.745447][   T67] ------------[ cut here ]------------
| [   18.745610][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.745884][   T67] Modules linked in:
| [   18.746526][   T67] Tainted: [W]=WARN
[   18.746663][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.746855][   T67] Workqueue: netns cleanup_net
[   18.747023][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.747238][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.747706][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.747900][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de07a80 RCX: 1ff4000000090eed
[   18.748134][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de07b3c
[   18.748357][   T67] RBP: ff1100000f274000 R08: 1fe2200001bc0f69 R09: ff110000091a8bd0
[   18.748592][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.748887][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.749197][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.749457][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.749723][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.749957][   T67] PKRU: 55555554
[   18.750102][   T67] Call Trace:
[   18.750249][   T67]  <TASK>
[   18.750356][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.750561][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.750753][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.750920][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.751086][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.751262][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.751434][   T67]  ? 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)
[   18.751601][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.751767][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.751931][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.752101][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.752284][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.752523][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.752692][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.752858][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.753025][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.753208][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.753372][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.753552][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.753792][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.753955][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.754135][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.754302][   T67]  kthread (kernel/kthread.c:436)
[   18.754924][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.755144][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.755315][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.755489][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.755684][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.755916][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.756082][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.759033][   T67] ------------[ cut here ]------------
| [   18.759206][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.759492][   T67] Modules linked in:
| [   18.759945][   T67] Tainted: [W]=WARN
[   18.760079][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.760284][   T67] Workqueue: netns cleanup_net
[   18.760459][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.760658][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.761209][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.761408][   T67] RAX: 00000000ffffffa6 RBX: ff11000009258ac0 RCX: 1ff4000000090eed
[   18.761629][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009258b7c
[   18.761853][   T67] RBP: ff1100000f344000 R08: 1fe220000124b171 R09: ff110000091a8bd0
[   18.762071][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.762376][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.762605][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.762857][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.763052][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.763436][   T67] PKRU: 55555554
[   18.763571][   T67] Call Trace:
[   18.763704][   T67]  <TASK>
[   18.763825][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.764094][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.764301][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.764471][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.764706][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.764939][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.765104][   T67]  ? 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)
[   18.765283][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.765459][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.765624][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.765866][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.766033][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.766212][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.766377][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.766549][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.766715][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.766883][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.767049][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.767227][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.767405][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.767569][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.767735][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.767901][   T67]  kthread (kernel/kthread.c:436)
[   18.768035][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.768378][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.768554][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.768718][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.768911][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.769076][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.769323][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.772068][   T67] ------------[ cut here ]------------
| [   18.772239][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.772596][   T67] Modules linked in:
| [   18.773132][   T67] Tainted: [W]=WARN
[   18.773265][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.773480][   T67] Workqueue: netns cleanup_net
[   18.773649][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.773925][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.774483][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.774823][   T67] RAX: 00000000ffffffa6 RBX: ff110000104c2580 RCX: 1ff4000000090eed
[   18.775045][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104c263c
[   18.775282][   T67] RBP: ff1100000a814000 R08: 1fe22000020984c9 R09: ff110000091a8bd0
[   18.775583][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.775876][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.776111][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.776420][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.776615][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.776835][   T67] PKRU: 55555554
[   18.776969][   T67] Call Trace:
[   18.777102][   T67]  <TASK>
[   18.777222][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.777428][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.777625][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.777863][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.778029][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.778207][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.778373][   T67]  ? 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)
[   18.778577][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.778744][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.778908][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.779164][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.779335][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.779509][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.779680][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.779848][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.780087][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.780270][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.780518][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.780722][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.780963][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.781147][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.781317][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.781488][   T67]  kthread (kernel/kthread.c:436)
[   18.781625][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.781821][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.781988][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.782240][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.782444][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.782617][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.782786][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.802542][   T67] ------------[ cut here ]------------
| [   18.802720][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.803016][   T67] Modules linked in:
| [   18.804165][   T67] Tainted: [W]=WARN
[   18.804364][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.804637][   T67] Workqueue: netns cleanup_net
[   18.804859][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.805064][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.805575][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   18.805781][   T67] RAX: 00000000ffffffa6 RBX: ff110000104c2740 RCX: 1ff4000000090eaf
[   18.806012][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104c27fc
[   18.806262][   T67] RBP: ff11000008e79000 R08: 1fe2200002098501 R09: ff110000091a8bd0
[   18.806502][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.806737][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa74000
[   18.806976][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.807261][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.807477][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.807747][   T67] PKRU: 55555554
[   18.807891][   T67] Call Trace:
[   18.808037][   T67]  <TASK>
[   18.808162][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.808336][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.808486][   T67]  netif_close_many (net/core/dev.c:1804)
[   18.808658][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.808829][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.808997][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.809183][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   18.809356][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.809565][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.809767][   T67]  ? 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)
[   18.809938][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.810151][   T67]  ? 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)
[   18.810325][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.810500][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.810701][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.810876][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.811049][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.811229][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.811407][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.811580][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.811755][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.811927][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.812100][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.812285][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.812461][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.812635][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.812807][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.812978][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.813166][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.813337][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.813519][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.813694][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.813865][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.814038][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.814222][   T67]  kthread (kernel/kthread.c:436)
[   18.814363][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.814568][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.814738][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.814938][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.815156][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.815330][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.815505][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.818684][   T67] ------------[ cut here ]------------
| [   18.818856][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.819361][   T67] Modules linked in:
| [   18.819938][   T67] Tainted: [W]=WARN
[   18.820139][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.820411][   T67] Workqueue: netns cleanup_net
[   18.820643][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.820904][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.821464][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   18.821746][   T67] RAX: 00000000ffffffa6 RBX: ff1100000dd43540 RCX: 1ff4000000090eaf
[   18.822028][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd435fc
[   18.822324][   T67] RBP: ff1100000aa74000 R08: 1fe2200001ba86c1 R09: ff110000091a8bd0
[   18.822617][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.822898][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab14000
[   18.823196][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.823522][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.823777][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.824061][   T67] PKRU: 55555554
[   18.824262][   T67] Call Trace:
[   18.824455][   T67]  <TASK>
[   18.824619][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.824871][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.825095][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.825316][   T67]  netif_close_many (net/core/dev.c:1804)
[   18.825575][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.825794][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.826015][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.826276][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   18.826533][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.826810][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.827079][   T67]  ? 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)
[   18.827296][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.827502][   T67]  ? 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)
[   18.827671][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.827842][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.828049][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.828235][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.828415][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.828588][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.828763][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.828936][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.829151][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.829321][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.829508][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.829680][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.829848][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.830021][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.830208][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.830382][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.830565][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.830765][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.830944][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.831132][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.831303][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.831486][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.831656][   T67]  kthread (kernel/kthread.c:436)
[   18.831795][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.831995][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.832183][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.832355][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.832562][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.832732][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.832902][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.835963][   T67] ------------[ cut here ]------------
| [   18.836670][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.837019][   T67] Modules linked in:
| [   18.837614][   T67] Tainted: [W]=WARN
[   18.837801][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.838052][   T67] Workqueue: netns cleanup_net
[   18.838292][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.838558][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.839099][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   18.839363][   T67] RAX: 00000000ffffffa6 RBX: ff110000099351c0 RCX: 1ff4000000090eaf
[   18.839646][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000993527c
[   18.839927][   T67] RBP: ff1100000ab14000 R08: 1fe2200001326a51 R09: ff110000091a8bd0
[   18.840218][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.840503][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   18.840787][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.841095][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.841365][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.841647][   T67] PKRU: 55555554
[   18.841862][   T67] Call Trace:
[   18.842047][   T67]  <TASK>
[   18.842220][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.842448][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.842664][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.842857][   T67]  netif_close_many (net/core/dev.c:1804)
[   18.843077][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.843309][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.843537][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.843809][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   18.844108][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.844445][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.844651][   T67]  ? 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)
[   18.844821][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.845022][   T67]  ? 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)
[   18.845208][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.845379][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.845604][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.845778][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.845956][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.846142][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.846315][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.846496][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.846669][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.846837][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.847015][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.847200][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.847370][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.847549][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.847719][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.847890][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.848064][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.848250][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.848437][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.848610][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.848779][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.848951][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.849165][   T67]  kthread (kernel/kthread.c:436)
[   18.849305][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.849513][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.849683][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.849859][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.850058][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.850243][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.850421][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.853066][   T67] ------------[ cut here ]------------
| [   18.854012][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   18.854464][   T67] Modules linked in:
| [   18.855028][   T67] Tainted: [W]=WARN
[   18.855223][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.855469][   T67] Workqueue: netns cleanup_net
[   18.855686][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.855936][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.856476][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   18.856718][   T67] RAX: 00000000ffffffa6 RBX: ff1100001026c040 RCX: 1ff4000000090ed5
[   18.856986][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001026c0fc
[   18.857268][   T67] RBP: ff11000008e79000 R08: 1fe220000204d821 R09: ff110000091a8bd0
[   18.857546][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.857815][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.858083][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   18.858393][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.858642][   T67] CR2: 00007fa70a87f574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   18.858912][   T67] PKRU: 55555554
[   18.859091][   T67] Call Trace:
[   18.859294][   T67]  <TASK>
[   18.859455][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.859703][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.859945][   T67]  ? 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)
[   18.860199][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.860418][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.860662][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.860874][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.861086][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.861414][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.861688][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.861851][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.862016][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.862200][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.862407][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.862570][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.862737][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.862906][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.863072][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.863259][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.863435][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.863637][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.863808][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.863976][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.864166][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.864335][   T67]  kthread (kernel/kthread.c:436)
[   18.864490][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.864688][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.864856][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.865024][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.865232][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.865409][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.865577][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.875813][   T67] ------------[ cut here ]------------
| [   18.875952][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.876199][   T67] Modules linked in:
| [   18.876580][   T67] Tainted: [W]=WARN
[   18.876669][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.876816][   T67] Workqueue: netns cleanup_net
[   18.876943][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.877097][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.877634][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   18.877800][   T67] RAX: 00000000ffffffa6 RBX: ff1100001026cac0 RCX: 1ff4000000090ed5
[   18.877979][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001026cb7c
[   18.878206][   T67] RBP: ff1100000aa74000 R08: 1fe220000204d971 R09: ff110000091a8bd0
[   18.878383][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.878568][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.878748][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.878954][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.879103][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   18.879330][   T67] PKRU: 55555554
[   18.879424][   T67] Call Trace:
[   18.879513][   T67]  <TASK>
[   18.879576][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.879773][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.879921][   T67]  ? 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)
[   18.880041][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.880207][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.880359][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.880486][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.880606][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.880725][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.880849][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.880969][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.881090][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.881266][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.881385][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.881507][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.881628][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.881746][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.881866][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.881988][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.882106][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.882295][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.882420][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.882539][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.882658][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.882775][   T67]  kthread (kernel/kthread.c:436)
[   18.882863][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.883009][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.883172][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.883290][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.883442][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.883559][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.883676][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.886756][   T67] ------------[ cut here ]------------
| [   18.886893][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.887132][   T67] Modules linked in:
| [   18.887497][   T67] Tainted: [W]=WARN
[   18.887587][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.887742][   T67] Workqueue: netns cleanup_net
[   18.887864][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.888018][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.888588][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   18.888740][   T67] RAX: 00000000ffffffa6 RBX: ff1100000b905380 RCX: 1ff4000000090ed5
[   18.888919][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b90543c
[   18.889094][   T67] RBP: ff1100000ab14000 R08: 1fe2200001720a89 R09: ff110000091a8bd0
[   18.889322][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.889503][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.889678][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.889935][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.890082][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   18.890309][   T67] PKRU: 55555554
[   18.890403][   T67] Call Trace:
[   18.890497][   T67]  <TASK>
[   18.890559][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.890712][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.890859][   T67]  ? 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)
[   18.890976][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.891094][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.891294][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.891418][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.891538][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.891657][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.891779][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.891901][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.892018][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.892186][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.892305][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.892432][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.892552][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.892673][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.892793][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.892915][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.893033][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.893178][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.893297][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.893420][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.893539][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.893659][   T67]  kthread (kernel/kthread.c:436)
[   18.893747][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.893897][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.894015][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.894139][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.894285][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.894407][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.894526][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.924235][   T67] ------------[ cut here ]------------
| [   18.924367][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.924643][   T67] Modules linked in:
| [   18.925055][   T67] Tainted: [W]=WARN
[   18.925412][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.925586][   T67] Workqueue: netns cleanup_net
[   18.925727][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.925909][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.926403][   T67] RSP: 0018:ffa00000004877b0 EFLAGS: 00010286
[   18.926576][   T67] RAX: 00000000ffffffa6 RBX: ff11000006203000 RCX: 1ff4000000090ebc
[   18.926778][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000062030bc
[   18.926979][   T67] RBP: ff11000009209000 R08: 1fe2200000c40619 R09: ff110000091a8bd0
[   18.927193][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   18.927394][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.927604][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.927887][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.928059][   T67] CR2: 000055638dc4b2b8 CR3: 000000000f693005 CR4: 0000000000771ef0
[   18.928266][   T67] PKRU: 55555554
[   18.928369][   T67] Call Trace:
[   18.928475][   T67]  <TASK>
[   18.928546][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.928684][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.928786][   T67]  __dev_notify_flags (net/core/dev.c:9787)
[   18.928922][   T67]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   18.929060][   T67]  ? netdev_notice (net/core/dev.c:13008)
[   18.929200][   T67]  ? netif_change_name (net/core/dev.c:1495)
[   18.929335][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.929473][   T67]  ? 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)
[   18.929609][   T67]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.929748][   T67]  __dev_set_promiscuity (net/core/dev.c:9630)
[   18.929883][   T67]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.930020][   T67]  netif_set_promiscuity (net/core/dev.c:9639)
[   18.930162][   T67]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   18.930299][   T67]  dev_set_promiscuity (net/core/dev_api.c:288)
[   18.930443][   T67]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   18.930546][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.930682][   T67]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.930820][   T67]  br_dev_delete (net/bridge/br_if.c:386)
[   18.930955][   T67]  br_net_exit_rtnl (net/bridge/br.c:414)
[   18.931113][   T67]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   18.931255][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.931390][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.931530][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.931668][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.931805][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.931940][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.932073][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.932218][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.932356][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.932499][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.932637][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.932772][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.932911][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.933046][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.933189][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.933326][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.933467][   T67]  kthread (kernel/kthread.c:436)
[   18.933568][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.933736][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.933870][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.934004][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.934179][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.934314][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.934454][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.937019][   T67] ------------[ cut here ]------------
| [   18.937372][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.937645][   T67] Modules linked in:
| [   18.938049][   T67] Tainted: [W]=WARN
[   18.938205][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.938369][   T67] Workqueue: netns cleanup_net
[   18.938510][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.938680][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.939206][   T67] RSP: 0018:ffa00000004877d0 EFLAGS: 00010286
[   18.939372][   T67] RAX: 00000000ffffffa6 RBX: ff11000006202740 RCX: 1ff4000000090ec0
[   18.939573][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000062027fc
[   18.939766][   T67] RBP: ff11000009209000 R08: 1fe2200000c40501 R09: ff110000091a8bd0
[   18.939961][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   18.940210][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.940410][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.940639][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.940804][   T67] CR2: 000055638dc4b2b8 CR3: 000000000f693005 CR4: 0000000000771ef0
[   18.941000][   T67] PKRU: 55555554
[   18.941097][   T67] Call Trace:
[   18.941245][   T67]  <TASK>
[   18.941314][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.941452][   T67]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.941585][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   18.941719][   T67]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   18.941852][   T67]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   18.942021][   T67]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   18.942206][   T67]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.942338][   T67]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   18.942473][   T67]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   18.942635][   T67]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   18.942766][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.942899][   T67]  del_nbp (net/bridge/br_if.c:363)
[   18.942999][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.943184][   T67]  br_dev_delete (net/bridge/br_if.c:386)
[   18.943316][   T67]  br_net_exit_rtnl (net/bridge/br.c:414)
[   18.943454][   T67]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   18.943588][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.943814][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.943960][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.944097][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.944292][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.944431][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.944562][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.944695][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.944826][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.944958][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.945092][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.945239][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.945374][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.945508][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.945638][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.945769][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.945898][   T67]  kthread (kernel/kthread.c:436)
[   18.945995][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.946163][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.946293][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.946430][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.946593][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.946723][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.946854][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.949809][   T67] ------------[ cut here ]------------
| [   18.949942][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   18.950712][   T67] Modules linked in:
| [   18.951100][   T67] Tainted: [W]=WARN
[   18.951247][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.951408][   T67] Workqueue: netns cleanup_net
[   18.951539][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.951753][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.952370][   T67] RSP: 0018:ffa0000000487808 EFLAGS: 00010286
[   18.952533][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a1903c0 RCX: 1ff4000000090ec7
[   18.952720][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a19047c
[   18.952908][   T67] RBP: ff110000050d2000 R08: 1fe2200001432091 R09: ff110000091a8bd0
[   18.953096][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.953332][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004878a0
[   18.953526][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   18.953748][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.953907][   T67] CR2: 000055638dc4b2b8 CR3: 000000000f693005 CR4: 0000000000771ef0
[   18.954095][   T67] PKRU: 55555554
[   18.954239][   T67] Call Trace:
[   18.954334][   T67]  <TASK>
[   18.954406][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.954534][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.954632][   T67]  netif_close_many (net/core/dev.c:1804)
[   18.954759][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   18.954885][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.955043][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.955255][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.955383][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.955547][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.955676][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.955802][   T67]  ? 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)
[   18.955929][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.956055][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.956235][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.956363][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.956498][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.956622][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.956751][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.956878][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.957004][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.957176][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.957304][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.957436][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.957565][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.957696][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.957823][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.957953][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.958080][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.958260][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.958387][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.958519][   T67]  kthread (kernel/kthread.c:436)
[   18.958615][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.958774][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.958901][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.959027][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.959237][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.959364][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.959497][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.962482][   T67] ------------[ cut here ]------------
| [   18.962625][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   18.962871][   T67] Modules linked in:
| [   18.963267][   T67] Tainted: [W]=WARN
[   18.963360][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.963522][   T67] Workqueue: netns cleanup_net
[   18.963649][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.963810][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.964258][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.964420][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c0da740 RCX: 1ff4000000090eed
[   18.964603][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0da7fc
[   18.964787][   T67] RBP: ff1100000f45c000 R08: 1fe220000181b501 R09: ff110000091a8bd0
[   18.964970][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.965171][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.965355][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   18.965578][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.965733][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.965925][   T67] PKRU: 55555554
[   18.966017][   T67] Call Trace:
[   18.966108][   T67]  <TASK>
[   18.966179][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.966336][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.966500][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.966623][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.966746][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.966869][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.966996][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.967125][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.967248][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.967370][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.967500][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.967623][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.967746][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.967867][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.967990][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.968112][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.968243][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.968371][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.968496][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.968622][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.968745][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.968865][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.968987][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.969109][   T67]  kthread (kernel/kthread.c:436)
[   18.969209][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.969362][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.969490][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.969613][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.969765][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.969886][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.970007][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.972238][   T67] ------------[ cut here ]------------
| [   18.972365][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   18.972609][   T67] Modules linked in:
| [   18.972986][   T67] Tainted: [W]=WARN
[   18.973078][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.973237][   T67] Workqueue: netns cleanup_net
[   18.973363][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.973529][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.973960][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.974114][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1c040 RCX: 1ff4000000090eed
[   18.974301][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1c0fc
[   18.974497][   T67] RBP: ff1100000e719000 R08: 1fe2200001963821 R09: ff110000091a8bd0
[   18.974678][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.974858][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.975041][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   18.975263][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.975421][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.975603][   T67] PKRU: 55555554
[   18.975693][   T67] Call Trace:
[   18.975783][   T67]  <TASK>
[   18.975846][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.976001][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.976157][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.976278][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.976404][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.976530][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.976653][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.976775][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.976896][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.977018][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.977145][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.977269][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.977390][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.977518][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.977640][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.977760][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.977885][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.978009][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.978133][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.978258][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.978380][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.978507][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.978629][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.978750][   T67]  kthread (kernel/kthread.c:436)
[   18.978843][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.978992][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.979114][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.979242][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.979399][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.979520][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.979645][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.981902][   T67] ------------[ cut here ]------------
| [   18.982031][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   18.982277][   T67] Modules linked in:
| [   18.982651][   T67] Tainted: [W]=WARN
[   18.982743][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.982895][   T67] Workqueue: netns cleanup_net
[   18.983022][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.983188][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.983625][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.983777][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1c740 RCX: 1ff4000000090eed
[   18.983959][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1c7fc
[   18.984146][   T67] RBP: ff1100000fc14000 R08: 1fe2200001963901 R09: ff110000091a8bd0
[   18.984327][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.984517][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.984700][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   18.984912][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.985065][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.985251][   T67] PKRU: 55555554
[   18.985342][   T67] Call Trace:
[   18.985439][   T67]  <TASK>
[   18.985504][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.985661][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.985812][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.985933][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.986056][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.986187][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.986310][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.986439][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.986563][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.986683][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.986804][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.986925][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.987048][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.987174][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.987298][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.987422][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.987552][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.987679][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.987800][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.987926][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.988049][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.988175][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.988300][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.988429][   T67]  kthread (kernel/kthread.c:436)
[   18.988523][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.988675][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.988797][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.988921][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.989072][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.989199][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.989324][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.991428][   T67] ------------[ cut here ]------------
| [   18.991552][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   18.991792][   T67] Modules linked in:
| [   18.992877][   T67] Tainted: [W]=WARN
[   18.992978][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.993188][   T67] Workqueue: netns cleanup_net
[   18.993318][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.993494][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.993941][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   18.994095][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1cac0 RCX: 1ff4000000090eed
[   18.994326][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1cb7c
[   18.994518][   T67] RBP: ff11000010821000 R08: 1fe2200001963971 R09: ff110000091a8bd0
[   18.994702][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.994887][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.995130][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   18.995347][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.995511][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   18.995696][   T67] PKRU: 55555554
[   18.995787][   T67] Call Trace:
[   18.995879][   T67]  <TASK>
[   18.995943][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.996105][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.996307][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.996436][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.996560][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.996682][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.996807][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.996930][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.997052][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   18.997222][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.997347][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.997476][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   18.997599][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.997721][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.997846][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.997967][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.998093][   T67]  process_one_work (kernel/workqueue.c:3314)
[   18.998272][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.998399][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.998530][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.998655][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.998777][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.998901][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.999025][   T67]  kthread (kernel/kthread.c:436)
[   18.999166][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.999319][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.999453][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.999578][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.999733][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.999856][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.999983][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.002197][   T67] ------------[ cut here ]------------
| [   19.002336][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   19.002595][   T67] Modules linked in:
| [   19.002973][   T67] Tainted: [W]=WARN
[   19.003067][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.003226][   T67] Workqueue: netns cleanup_net
[   19.003354][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.003521][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.003953][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   19.004109][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1ce40 RCX: 1ff4000000090eed
[   19.004300][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1cefc
[   19.004487][   T67] RBP: ff11000005f81000 R08: 1fe22000019639e1 R09: ff110000091a8bd0
[   19.004672][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.004854][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.005037][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.005271][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.005433][   T67] CR2: 00007f22efe0f668 CR3: 000000000f693006 CR4: 0000000000771ef0
[   19.005617][   T67] PKRU: 55555554
[   19.005709][   T67] Call Trace:
[   19.005800][   T67]  <TASK>
[   19.005865][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.006021][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.006181][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.006304][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.006441][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.006563][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.006689][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.006812][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.006936][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.007060][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.007196][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.007321][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.007449][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.007570][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.007693][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.007814][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.007938][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.008063][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.008190][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.008319][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.008448][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.008571][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.008696][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.008819][   T67]  kthread (kernel/kthread.c:436)
[   19.008912][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.009064][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.009192][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.009315][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.009473][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.009595][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.009723][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.021062][   T67] ------------[ cut here ]------------
| [   19.021203][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   19.021450][   T67] Modules linked in:
| [   19.021826][   T67] Tainted: [W]=WARN
[   19.021915][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.022068][   T67] Workqueue: netns cleanup_net
[   19.022205][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.022373][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.022812][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   19.022982][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1da80 RCX: 1ff4000000090eed
[   19.023218][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1db3c
[   19.023409][   T67] RBP: ff110000050d2000 R08: 1fe2200001963b69 R09: ff110000091a8bd0
[   19.023592][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.023773][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.023956][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.024227][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.024383][   T67] CR2: 00007f22efe0f668 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   19.024619][   T67] PKRU: 55555554
[   19.024711][   T67] Call Trace:
[   19.024802][   T67]  <TASK>
[   19.024872][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.025031][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.025234][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.025359][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.025489][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.025610][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.025744][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.025869][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.025997][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.026168][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.026293][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.026423][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.026547][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.026670][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.026796][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.026917][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.027044][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.027216][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.027340][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.027478][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.027602][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.027724][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.027848][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.027972][   T67]  kthread (kernel/kthread.c:436)
[   19.028066][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.028263][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.028384][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.028512][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.028666][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.028790][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.028917][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.051537][   T67] ------------[ cut here ]------------
| [   19.051683][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   19.051940][   T67] Modules linked in:
| [   19.052338][   T67] Tainted: [W]=WARN
[   19.052440][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.052600][   T67] Workqueue: netns cleanup_net
[   19.052734][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.052902][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.053367][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   19.053537][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1dc40 RCX: 1ff4000000090eaf
[   19.053737][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1dcfc
[   19.053933][   T67] RBP: ff11000009209000 R08: 1fe2200001963ba1 R09: ff110000091a8bd0
[   19.054131][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.054326][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000020bc000
[   19.054523][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.054750][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.054915][   T67] CR2: 00007f22efe0f668 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   19.055108][   T67] PKRU: 55555554
[   19.055210][   T67] Call Trace:
[   19.055306][   T67]  <TASK>
[   19.055373][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.055507][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.055605][   T67]  netif_close_many (net/core/dev.c:1804)
[   19.055736][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.055862][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.055990][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.056124][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   19.056255][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.056420][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.056582][   T67]  ? 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)
[   19.056711][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.056874][   T67]  ? 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)
[   19.057002][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.057132][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.057293][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.057427][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.057556][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.057683][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.057813][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.057940][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.058069][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.058204][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.058330][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.058463][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.058591][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.058721][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.058849][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.058979][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.059106][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.059242][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.059373][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.059505][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.059636][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.059767][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.059894][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.060023][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.060156][   T67]  kthread (kernel/kthread.c:436)
[   19.060253][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.060416][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.060545][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.060675][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.060834][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.060962][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.061091][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.063246][   T67] ------------[ cut here ]------------
| [   19.063374][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   19.063624][   T67] Modules linked in:
| [   19.064014][   T67] Tainted: [W]=WARN
[   19.064110][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.064849][   T67] Workqueue: netns cleanup_net
[   19.064985][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.065172][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.065636][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   19.065796][   T67] RAX: 00000000ffffffa6 RBX: ff110000053f03c0 RCX: 1ff4000000090eaf
[   19.065987][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f047c
[   19.066184][   T67] RBP: ff110000020bc000 R08: 1fe2200000a7e091 R09: ff110000091a8bd0
[   19.066385][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.066583][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005b89000
[   19.066776][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.067000][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.067168][   T67] CR2: 00007f22efe0f668 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   19.067362][   T67] PKRU: 55555554
[   19.067461][   T67] Call Trace:
[   19.067558][   T67]  <TASK>
[   19.067625][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.067754][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.067884][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.067982][   T67]  netif_close_many (net/core/dev.c:1804)
[   19.068113][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.068248][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.068379][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.068512][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   19.068641][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.068801][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.068963][   T67]  ? 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)
[   19.069094][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.069257][   T67]  ? 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)
[   19.069386][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.069516][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.069676][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.069806][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.069936][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.070067][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.070203][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.070334][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.070465][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.070593][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.070721][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.070849][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.070981][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.071110][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.071245][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.071372][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.071502][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.071631][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.071763][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.071894][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.072028][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.072162][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.072294][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.072430][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.072558][   T67]  kthread (kernel/kthread.c:436)
[   19.072656][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.072816][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.072948][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.073078][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.073249][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.073378][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.073511][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.076122][   T67] ------------[ cut here ]------------
| [   19.076256][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   19.076508][   T67] Modules linked in:
| [   19.076894][   T67] Tainted: [W]=WARN
[   19.076993][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.077233][   T67] Workqueue: netns cleanup_net
[   19.077366][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.077575][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.078029][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   19.078258][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c0dae40 RCX: 1ff4000000090eaf
[   19.078454][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0daefc
[   19.078644][   T67] RBP: ff11000005b89000 R08: 1fe220000181b5e1 R09: ff110000091a8bd0
[   19.078834][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.079025][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005b8c000
[   19.079302][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.079532][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.079691][   T67] CR2: 00007f22efe0f668 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   19.079882][   T67] PKRU: 55555554
[   19.079983][   T67] Call Trace:
[   19.080077][   T67]  <TASK>
[   19.080198][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.080328][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.080460][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.080556][   T67]  netif_close_many (net/core/dev.c:1804)
[   19.080684][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.080817][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.080944][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.081072][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   19.081282][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.081449][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.081609][   T67]  ? 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)
[   19.081738][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.081898][   T67]  ? 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)
[   19.082025][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.082203][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.082364][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.082501][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.082630][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.082757][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.082886][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.083017][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.083197][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.083328][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.083463][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.083597][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.083726][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.083853][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.083981][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.084110][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.084291][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.084424][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.084555][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.084684][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.084816][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.084945][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.085073][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.085255][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.085382][   T67]  kthread (kernel/kthread.c:436)
[   19.085484][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.085641][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.085768][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.085896][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.086056][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.086234][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.086362][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.091500][   T67] ------------[ cut here ]------------
| [   19.091681][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.091986][   T67] Modules linked in:
| [   19.092493][   T67] Tainted: [W]=WARN
[   19.092647][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.092856][   T67] Workqueue: netns cleanup_net
[   19.093050][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.093373][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.093953][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   19.094226][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c08f000 RCX: 1ff4000000090eaf
[   19.094472][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c08f0bc
[   19.094711][   T67] RBP: ff11000005b8c000 R08: 1fe2200001811e19 R09: ff110000091a8bd0
[   19.094950][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   19.095202][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fce4000
[   19.095447][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.095720][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.095929][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162004 CR4: 0000000000771ef0
[   19.096184][   T67] PKRU: 55555554
[   19.096327][   T67] Call Trace:
[   19.096474][   T67]  <TASK>
[   19.096592][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.096769][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.096945][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.097092][   T67]  netif_close_many (net/core/dev.c:1804)
[   19.097283][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.097465][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.097639][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.097815][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   19.097993][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.098215][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.098437][   T67]  ? 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)
[   19.098623][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.098830][   T67]  ? 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)
[   19.099007][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.099200][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.099415][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.099596][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.099786][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.099994][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.100190][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.100372][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.100558][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.100761][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.100939][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.101130][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.101309][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.101494][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.101671][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.101849][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.102025][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.102219][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.102409][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.102586][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.102768][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.102946][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.103135][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.103314][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.103506][   T67]  kthread (kernel/kthread.c:436)
[   19.103650][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.103891][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.104069][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.104261][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.104475][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.104656][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.104834][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.107793][   T67] ------------[ cut here ]------------
| [   19.107970][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.108316][   T67] Modules linked in:
| [   19.108816][   T67] Tainted: [W]=WARN
[   19.108961][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.109186][   T67] Workqueue: netns cleanup_net
[   19.109369][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.109589][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.110091][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   19.110314][   T67] RAX: 00000000ffffffa6 RBX: ff11000008f91700 RCX: 1ff4000000090eaf
[   19.110561][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f917bc
[   19.110800][   T67] RBP: ff1100000fce4000 R08: 1fe22000011f22f9 R09: ff110000091a8bd0
[   19.111036][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   19.111294][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   19.111540][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.111812][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.112020][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162004 CR4: 0000000000771ef0
[   19.112277][   T67] PKRU: 55555554
[   19.112426][   T67] Call Trace:
[   19.112572][   T67]  <TASK>
[   19.112689][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.112867][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.113047][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.113206][   T67]  netif_close_many (net/core/dev.c:1804)
[   19.113410][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.113619][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.113799][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.113975][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   19.114167][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.114378][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.114595][   T67]  ? 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)
[   19.114772][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.114980][   T67]  ? 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)
[   19.115173][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.115350][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.115567][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.115750][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.115929][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.116108][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.116303][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.116496][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.116676][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.116852][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.117028][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.117220][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.117409][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.117588][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.117767][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.117946][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.118135][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.118315][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.118507][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.118683][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.118896][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.119078][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.119271][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.119460][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.119672][   T67]  kthread (kernel/kthread.c:436)
[   19.119821][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.120032][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.120224][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.120410][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.120626][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.120804][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.120982][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.123708][   T67] ------------[ cut here ]------------
| [   19.123870][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.124697][   T67] Modules linked in:
| [   19.125273][   T67] Tainted: [W]=WARN
[   19.125472][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.125717][   T67] Workqueue: netns cleanup_net
[   19.125939][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.126203][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.126734][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   19.126980][   T67] RAX: 00000000ffffffa6 RBX: ff11000008f90740 RCX: 1ff4000000090ed5
[   19.127281][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f907fc
[   19.127575][   T67] RBP: ff11000009209000 R08: 1fe22000011f2101 R09: ff110000091a8bd0
[   19.127855][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.128145][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.128428][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.128744][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.128986][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.129275][   T67] PKRU: 55555554
[   19.129493][   T67] Call Trace:
[   19.129679][   T67]  <TASK>
[   19.129836][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.130083][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.130337][   T67]  ? 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)
[   19.130560][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.130780][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.131026][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.131288][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.131512][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.131769][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.132071][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.132252][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.132426][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.132594][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.132765][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.132964][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.133145][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.133312][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.133491][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.133661][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.133831][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.134003][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.134190][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.134365][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.134539][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.134706][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.134875][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.135044][   T67]  kthread (kernel/kthread.c:436)
[   19.135197][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.135407][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.135577][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.135745][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.135945][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.136111][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.136292][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.139566][   T67] ------------[ cut here ]------------
| [   19.139781][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.140129][   T67] Modules linked in:
| [   19.140692][   T67] Tainted: [W]=WARN
[   19.140876][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.141164][   T67] Workqueue: netns cleanup_net
[   19.141383][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.141641][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.142181][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   19.142460][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d185c40 RCX: 1ff4000000090ed5
[   19.142733][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d185cfc
[   19.143006][   T67] RBP: ff110000020bc000 R08: 1fe2200001a30ba1 R09: ff110000091a8bd0
[   19.143292][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.143569][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.143843][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.144163][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.144416][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.144689][   T67] PKRU: 55555554
[   19.144870][   T67] Call Trace:
[   19.145049][   T67]  <TASK>
[   19.145216][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.145470][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.145714][   T67]  ? 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)
[   19.145927][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.146179][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.146459][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.146720][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.146941][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.147109][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.147293][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.147471][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.147637][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.147803][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.147971][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.148150][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.148322][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.148496][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.148663][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.148829][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.148997][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.149181][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.149348][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.149526][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.149701][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.149866][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.150035][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.150214][   T67]  kthread (kernel/kthread.c:436)
[   19.150352][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.150555][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.150752][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.150923][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.151132][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.151298][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.151471][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.154255][   T67] ------------[ cut here ]------------
| [   19.154427][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.154706][   T67] Modules linked in:
| [   19.155284][   T67] Tainted: [W]=WARN
[   19.155483][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.155767][   T67] Workqueue: netns cleanup_net
[   19.156031][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.156307][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.156837][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   19.157080][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d2ba040 RCX: 1ff4000000090ed5
[   19.157367][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2ba0fc
[   19.157642][   T67] RBP: ff11000005b89000 R08: 1fe2200001a57421 R09: ff110000091a8bd0
[   19.157913][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.158193][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.158480][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.158784][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.159024][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.159306][   T67] PKRU: 55555554
[   19.159492][   T67] Call Trace:
[   19.159674][   T67]  <TASK>
[   19.159829][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.160077][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.160355][   T67]  ? 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)
[   19.160580][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.160796][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.161044][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.161272][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.161491][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.161705][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.161919][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.162150][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.162365][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.162581][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.162794][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.163007][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.163234][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.163464][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.163740][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.163913][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.164079][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.164261][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.164436][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.164610][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.164778][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.164944][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.165112][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.165296][   T67]  kthread (kernel/kthread.c:436)
[   19.165440][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.165638][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.165806][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.165975][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.166186][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.166355][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.166529][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.169347][   T67] ------------[ cut here ]------------
| [   19.169521][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.169809][   T67] Modules linked in:
| [   19.170422][   T67] Tainted: [W]=WARN
[   19.170657][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.170945][   T67] Workqueue: netns cleanup_net
[   19.171230][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.171541][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.172253][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   19.172528][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d2baac0 RCX: 1ff4000000090ed5
[   19.172840][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2bab7c
[   19.173164][   T67] RBP: ff11000005b8c000 R08: 1fe2200001a57571 R09: ff110000091a8bd0
[   19.173446][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.173716][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.173987][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.174304][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.174550][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.174820][   T67] PKRU: 55555554
[   19.174998][   T67] Call Trace:
[   19.175191][   T67]  <TASK>
[   19.175347][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.175605][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.175846][   T67]  ? 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)
[   19.176058][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.176284][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.176537][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.176755][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.176968][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.177196][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.177445][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.177661][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.177871][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.178080][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.178307][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.178532][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.178751][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.178964][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.179191][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.179409][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.179626][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.179841][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.180053][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.180318][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.180591][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.180864][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.181139][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.181408][   T67]  kthread (kernel/kthread.c:436)
[   19.181639][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.181924][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.182213][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.182519][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.182786][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.182959][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.183140][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.186000][   T67] ------------[ cut here ]------------
| [   19.186646][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.186983][   T67] Modules linked in:
| [   19.187550][   T67] Tainted: [W]=WARN
[   19.187734][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.187973][   T67] Workqueue: netns cleanup_net
[   19.188208][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.188466][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.188991][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   19.189254][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d2bb700 RCX: 1ff4000000090ed5
[   19.189533][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2bb7bc
[   19.189807][   T67] RBP: ff1100000fce4000 R08: 1fe2200001a576f9 R09: ff110000091a8bd0
[   19.190081][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.190363][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.190642][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.190947][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.191210][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.191490][   T67] PKRU: 55555554
[   19.191672][   T67] Call Trace:
[   19.191855][   T67]  <TASK>
[   19.192012][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.192278][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.192531][   T67]  ? 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)
[   19.192744][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.193008][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.193319][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.193603][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.193863][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.194139][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.194417][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.194684][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.194958][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.195216][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.195412][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.195582][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.195753][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.195924][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.196099][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.196283][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.196463][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.196638][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.196807][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.196980][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.197165][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.197336][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.197512][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.197680][   T67]  kthread (kernel/kthread.c:436)
[   19.197818][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.198015][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.198197][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.198365][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.198567][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.198735][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.198904][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.222622][  T315] ------------[ cut here ]------------
| [   19.222772][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/315
| [   19.223001][  T315] Modules linked in:
| [   19.223447][  T315] Tainted: [W]=WARN
[   19.223550][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.223714][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.223889][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.224420][  T315] RSP: 0018:ffa0000000e47a80 EFLAGS: 00010286
[   19.224591][  T315] RAX: 00000000ffffffa6 RBX: ff1100000c61d000 RCX: 1ff40000001c8f16
[   19.224790][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c61d0bc
[   19.224991][  T315] RBP: ff11000008fd9000 R08: 1fe22000018c3a19 R09: ff11000006270b80
[   19.225252][  T315] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.225454][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008fd9000
[   19.225712][  T315] FS:  00007f39cfe1b840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   19.225947][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.226172][  T315] CR2: 00007f39d001cc20 CR3: 0000000004d87001 CR4: 0000000000771ef0
[   19.226371][  T315] PKRU: 55555554
[   19.226474][  T315] Call Trace:
[   19.226574][  T315]  <TASK>
[   19.226642][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.226775][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.226908][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.227011][  T315]  register_netdevice (net/core/dev.c:11488)
[   19.227203][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.227368][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.227505][  T315]  register_netdev (net/core/dev.c:11552)
[   19.227637][  T315]  loopback_net_init (drivers/net/loopback.c:218)
[   19.227771][  T315]  ops_init (net/core/net_namespace.c:137)
[   19.227872][  T315]  setup_net (net/core/net_namespace.c:446)
[   19.227971][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.228104][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.228292][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.228431][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   19.228565][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.228700][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.228833][  T315]  ksys_unshare (kernel/fork.c:3243)
[   19.228968][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.229101][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.229287][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.229427][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   19.229563][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.229694][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.229827][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.229959][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.230093][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.230279][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.230444][  T315] RIP: 0033:0x7f39d00ddbcb
[   19.230584][  T315] 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
[   19.231054][  T315] RSP: 002b:00007fffb6f908c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.231313][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39d00ddbcb
[   19.231516][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.231714][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.231909][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb6f92af0
[   19.232107][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb6f9388a
| [   19.242228][  T315] ------------[ cut here ]------------
| [   19.242380][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/315
| [   19.242614][  T315] Modules linked in:
| [   19.242988][  T315] Tainted: [W]=WARN
[   19.243089][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.243273][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.243448][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.243914][  T315] RSP: 0018:ffa0000000e47918 EFLAGS: 00010286
[   19.244080][  T315] RAX: 00000000ffffffa6 RBX: ff1100000d2b1a80 RCX: 1ff40000001c8ee9
[   19.244285][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2b1b3c
[   19.244486][  T315] RBP: ff11000001dd4000 R08: 1fe2200001a56369 R09: ff11000006270b80
[   19.244682][  T315] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.244876][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dd4000
[   19.245076][  T315] FS:  00007f39cfe1b840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   19.245316][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.245486][  T315] CR2: 00007f5f295a7580 CR3: 0000000004d87002 CR4: 0000000000771ef0
[   19.245684][  T315] PKRU: 55555554
[   19.245783][  T315] Call Trace:
[   19.245880][  T315]  <TASK>
[   19.245950][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.246081][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.246220][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.246320][  T315]  register_netdevice (net/core/dev.c:11488)
[   19.246460][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.246623][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.246755][  T315]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.246887][  T315]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.247017][  T315]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.247155][  T315]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.247285][  T315]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.247423][  T315]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   19.247556][  T315]  ops_init (net/core/net_namespace.c:137)
[   19.247657][  T315]  setup_net (net/core/net_namespace.c:446)
[   19.247755][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.247885][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.248016][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.248155][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   19.248287][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.248426][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.248558][  T315]  ksys_unshare (kernel/fork.c:3243)
[   19.248691][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.248823][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.248952][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.249083][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   19.249227][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.249358][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.249492][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.249621][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.249753][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.249902][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.250063][  T315] RIP: 0033:0x7f39d00ddbcb
[   19.250206][  T315] 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
[   19.250669][  T315] RSP: 002b:00007fffb6f908c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.250867][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39d00ddbcb
[   19.251062][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.251259][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.251458][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb6f92af0
[   19.251655][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb6f9388a
| [   19.255525][  T315] ------------[ cut here ]------------
| [   19.255665][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/315
| [   19.255897][  T315] Modules linked in:
| [   19.256274][  T315] Tainted: [W]=WARN
[   19.256373][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.256545][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.256716][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.257187][  T315] RSP: 0018:ffa0000000e478f8 EFLAGS: 00010286
[   19.257354][  T315] RAX: 00000000ffffffa6 RBX: ff1100000a191380 RCX: 1ff40000001c8ee5
[   19.257556][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a19143c
[   19.257752][  T315] RBP: ff110000083ac000 R08: 1fe2200001432289 R09: ff11000006270b80
[   19.257947][  T315] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.258149][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000083ac000
[   19.258350][  T315] FS:  00007f39cfe1b840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   19.258585][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.258749][  T315] CR2: 00007f5f295a7580 CR3: 0000000004d87002 CR4: 0000000000771ef0
[   19.258947][  T315] PKRU: 55555554
[   19.259045][  T315] Call Trace:
[   19.259152][  T315]  <TASK>
[   19.259220][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.259353][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.259491][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.259591][  T315]  register_netdevice (net/core/dev.c:11488)
[   19.259724][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.259902][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.260038][  T315]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.260175][  T315]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.260307][  T315]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.260444][  T315]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.260575][  T315]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.260709][  T315]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   19.260840][  T315]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.260973][  T315]  vti_init_net (net/ipv4/ip_vti.c:517)
[   19.261108][  T315]  ops_init (net/core/net_namespace.c:137)
[   19.261213][  T315]  setup_net (net/core/net_namespace.c:446)
[   19.261314][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.261452][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.261583][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.261716][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   19.261849][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.261985][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.262123][  T315]  ksys_unshare (kernel/fork.c:3243)
[   19.262254][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.262386][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.262522][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.262655][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   19.262789][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.262919][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.263076][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.263213][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.263345][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.263481][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.263644][  T315] RIP: 0033:0x7f39d00ddbcb
[   19.263780][  T315] 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
[   19.264252][  T315] RSP: 002b:00007fffb6f908c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.264455][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39d00ddbcb
[   19.264661][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.264859][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.265055][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb6f92af0
[   19.265256][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb6f9388a
| [   19.269369][  T315] ------------[ cut here ]------------
| [   19.269508][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/315
| [   19.269734][  T315] Modules linked in:
| [   19.270098][  T315] Tainted: [W]=WARN
[   19.270251][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.270418][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.270587][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.271049][  T315] RSP: 0018:ffa0000000e47a78 EFLAGS: 00010286
[   19.271221][  T315] RAX: 00000000ffffffa6 RBX: ff1100000c61c3c0 RCX: 1ff40000001c8f15
[   19.271420][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c61c47c
[   19.271614][  T315] RBP: ff11000008581000 R08: 1fe22000018c3891 R09: ff11000006270b80
[   19.271809][  T315] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.272004][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008581000
[   19.272204][  T315] FS:  00007f39cfe1b840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   19.272435][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.272600][  T315] CR2: 00007f5f295a7580 CR3: 0000000004d87002 CR4: 0000000000771ef0
[   19.272796][  T315] PKRU: 55555554
[   19.272892][  T315] Call Trace:
[   19.272990][  T315]  <TASK>
[   19.273059][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.273195][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.273327][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.273433][  T315]  register_netdevice (net/core/dev.c:11488)
[   19.273568][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.273728][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.273860][  T315]  register_netdev (net/core/dev.c:11552)
[   19.273991][  T315]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   19.274127][  T315]  ops_init (net/core/net_namespace.c:137)
[   19.274227][  T315]  setup_net (net/core/net_namespace.c:446)
[   19.274326][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.274463][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.274593][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.274725][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   19.274856][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.274989][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.275125][  T315]  ksys_unshare (kernel/fork.c:3243)
[   19.275256][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.275387][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.275522][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.275654][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   19.275788][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.275917][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.276045][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.276182][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.276314][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.276448][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.276608][  T315] RIP: 0033:0x7f39d00ddbcb
[   19.276743][  T315] 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
[   19.277212][  T315] RSP: 002b:00007fffb6f908c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.277414][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39d00ddbcb
[   19.277611][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.277805][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.277998][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb6f92af0
[   19.278200][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb6f9388a
| [   19.282325][  T315] ------------[ cut here ]------------
| [   19.282470][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/315
| [   19.282696][  T315] Modules linked in:
| [   19.283061][  T315] Tainted: [W]=WARN
[   19.283165][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.283331][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.283506][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.283971][  T315] RSP: 0018:ffa0000000e47a68 EFLAGS: 00010286
[   19.284141][  T315] RAX: 00000000ffffffa6 RBX: ff1100000d1851c0 RCX: 1ff40000001c8f13
[   19.284338][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d18527c
[   19.284540][  T315] RBP: ff1100000a35c000 R08: 1fe2200001a30a51 R09: ff11000006270b80
[   19.284736][  T315] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.284932][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a35c000
[   19.285132][  T315] FS:  00007f39cfe1b840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   19.285364][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.285533][  T315] CR2: 00007f5f295a7580 CR3: 0000000004d87002 CR4: 0000000000771ef0
[   19.285731][  T315] PKRU: 55555554
[   19.285829][  T315] Call Trace:
[   19.285928][  T315]  <TASK>
[   19.285996][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.286131][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.286265][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.286367][  T315]  register_netdevice (net/core/dev.c:11488)
[   19.286505][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.286671][  T315]  register_netdev (net/core/dev.c:11552)
[   19.286802][  T315]  sit_init_net (net/ipv6/sit.c:1860)
[   19.286936][  T315]  ops_init (net/core/net_namespace.c:137)
[   19.287037][  T315]  setup_net (net/core/net_namespace.c:446)
[   19.287141][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.287272][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.287408][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.287542][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   19.287674][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.287808][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.287941][  T315]  ksys_unshare (kernel/fork.c:3243)
[   19.288072][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.288208][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.288340][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.288476][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   19.288610][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.288741][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.288872][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.289003][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.289140][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.289270][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.289436][  T315] RIP: 0033:0x7f39d00ddbcb
[   19.289570][  T315] 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
[   19.290039][  T315] RSP: 002b:00007fffb6f908c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.290244][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39d00ddbcb
[   19.290445][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.290645][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.290840][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb6f92af0
[   19.291039][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb6f9388a
| [   19.295677][  T315] ------------[ cut here ]------------
| [   19.295814][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/315
| [   19.296040][  T315] Modules linked in:
| [   19.296420][  T315] Tainted: [W]=WARN
[   19.296518][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.296683][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.296853][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.297328][  T315] RSP: 0018:ffa0000000e47a78 EFLAGS: 00010286
[   19.297500][  T315] RAX: 00000000ffffffa6 RBX: ff1100000b482c80 RCX: 1ff40000001c8f15
[   19.297696][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b482d3c
[   19.297894][  T315] RBP: ff110000088e9000 R08: 1fe22000016905a9 R09: ff11000006270b80
[   19.298093][  T315] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.298291][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000088e9000
[   19.298494][  T315] FS:  00007f39cfe1b840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   19.298725][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.298890][  T315] CR2: 00007f5f295a7580 CR3: 0000000004d87002 CR4: 0000000000771ef0
[   19.299090][  T315] PKRU: 55555554
[   19.299192][  T315] Call Trace:
[   19.299291][  T315]  <TASK>
[   19.299359][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.299496][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.299629][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.299730][  T315]  register_netdevice (net/core/dev.c:11488)
[   19.299867][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.300032][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.300169][  T315]  register_netdev (net/core/dev.c:11552)
[   19.300302][  T315]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   19.300441][  T315]  ops_init (net/core/net_namespace.c:137)
[   19.300542][  T315]  setup_net (net/core/net_namespace.c:446)
[   19.300643][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.300773][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.300908][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.301041][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   19.301179][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.301315][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.301451][  T315]  ksys_unshare (kernel/fork.c:3243)
[   19.301582][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.301717][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.301848][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.301983][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   19.302123][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.302254][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.302385][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.302522][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.302653][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.302786][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.302949][  T315] RIP: 0033:0x7f39d00ddbcb
[   19.303087][  T315] 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
[   19.303567][  T315] RSP: 002b:00007fffb6f908c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.303767][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39d00ddbcb
[   19.303965][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.304166][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.304363][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb6f92af0
[   19.304567][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb6f9388a
| [   19.310955][   T67] ------------[ cut here ]------------
| [   19.311145][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.311441][   T67] Modules linked in:
| [   19.311895][   T67] Tainted: [W]=WARN
[   19.312030][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.312277][   T67] Workqueue: netns cleanup_net
[   19.312458][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.312661][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.313156][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   19.313352][   T67] RAX: 00000000ffffffa6 RBX: ff11000005677000 RCX: 1ff4000000090eed
[   19.313586][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056770bc
[   19.313811][   T67] RBP: ff1100000f17c000 R08: 1fe2200000acee19 R09: ff110000091a8bd0
[   19.314041][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.314280][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.314517][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.314774][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.314971][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.315213][   T67] PKRU: 55555554
[   19.315348][   T67] Call Trace:
[   19.315491][   T67]  <TASK>
[   19.315600][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.315801][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.315995][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.316178][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.316347][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.316524][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.316699][   T67]  ? 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)
[   19.316871][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.317042][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.317222][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.317392][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.317568][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.317764][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.317937][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.318103][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.318285][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.318465][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.318633][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.318806][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.318974][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.319155][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.319325][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.319499][   T67]  kthread (kernel/kthread.c:436)
[   19.319635][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.319830][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.319997][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.320180][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.320382][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.320557][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.320754][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.323504][   T67] ------------[ cut here ]------------
| [   19.323671][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.323950][   T67] Modules linked in:
| [   19.324573][   T67] Tainted: [W]=WARN
[   19.324716][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.324913][   T67] Workqueue: netns cleanup_net
[   19.325086][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.325303][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.325785][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   19.325984][   T67] RAX: 00000000ffffffa6 RBX: ff11000005677700 RCX: 1ff4000000090eed
[   19.326224][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056777bc
[   19.326455][   T67] RBP: ff1100000f221000 R08: 1fe2200000aceef9 R09: ff110000091a8bd0
[   19.326681][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.326906][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.327147][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.327409][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.327610][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.327837][   T67] PKRU: 55555554
[   19.327975][   T67] Call Trace:
[   19.328129][   T67]  <TASK>
[   19.328239][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.328447][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.328643][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.328814][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.328985][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.329165][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.329335][   T67]  ? 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)
[   19.329512][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.329684][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.329850][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.330023][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.330202][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.330372][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.330549][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.330716][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.330885][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.331056][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.331248][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.331429][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.331599][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.331765][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.331933][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.332101][   T67]  kthread (kernel/kthread.c:436)
[   19.332253][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.332461][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.332642][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.332812][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.333007][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.333191][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.333360][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.336109][   T67] ------------[ cut here ]------------
| [   19.337299][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.337641][   T67] Modules linked in:
| [   19.338281][   T67] Tainted: [W]=WARN
[   19.338546][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.338892][   T67] Workqueue: netns cleanup_net
[   19.339166][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.339426][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.339948][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   19.340208][   T67] RAX: 00000000ffffffa6 RBX: ff11000009299e00 RCX: 1ff4000000090eed
[   19.340487][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009299ebc
[   19.340761][   T67] RBP: ff1100000fccc000 R08: 1fe22000012533d9 R09: ff110000091a8bd0
[   19.341064][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.341405][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.341740][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.342087][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.342385][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.342729][   T67] PKRU: 55555554
[   19.342952][   T67] Call Trace:
[   19.343190][   T67]  <TASK>
[   19.343339][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.343552][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.343751][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.343918][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.344086][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.344265][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.344440][   T67]  ? 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)
[   19.344610][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.344779][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.344944][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.345130][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.345302][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.345472][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.345639][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.345805][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.345973][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.346156][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.346326][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.346505][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.346673][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.346838][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.347005][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.347184][   T67]  kthread (kernel/kthread.c:436)
[   19.347321][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.347522][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.347690][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.347857][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.348050][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.348227][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.348392][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.362482][   T67] ------------[ cut here ]------------
| [   19.362654][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.362933][   T67] Modules linked in:
| [   19.363776][   T67] Tainted: [W]=WARN
[   19.363914][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.364110][   T67] Workqueue: netns cleanup_net
[   19.364462][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.364666][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.365144][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   19.365339][   T67] RAX: 00000000ffffffa6 RBX: ff11000009299a80 RCX: 1ff4000000090eed
[   19.365570][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009299b3c
[   19.365793][   T67] RBP: ff1100000fdbc000 R08: 1fe2200001253369 R09: ff110000091a8bd0
[   19.366014][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.366248][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.366481][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.366733][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.366929][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.367163][   T67] PKRU: 55555554
[   19.367297][   T67] Call Trace:
[   19.367439][   T67]  <TASK>
[   19.367547][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.367744][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.367935][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.368104][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.368282][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.368453][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.368618][   T67]  ? 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)
[   19.368785][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.368953][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.369133][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.369300][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.369473][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.369636][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.369801][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.369965][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.370145][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.370314][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.370487][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.370658][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.370823][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.370987][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.371165][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.371329][   T67]  kthread (kernel/kthread.c:436)
[   19.371472][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.371665][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.371830][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.371998][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.372203][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.372368][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.372542][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.375350][   T67] ------------[ cut here ]------------
| [   19.375524][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.375801][   T67] Modules linked in:
| [   19.376621][   T67] Tainted: [W]=WARN
[   19.376756][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.376949][   T67] Workqueue: netns cleanup_net
[   19.377148][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.377358][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.377923][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   19.378133][   T67] RAX: 00000000ffffffa6 RBX: ff11000009299700 RCX: 1ff4000000090eed
[   19.378353][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092997bc
[   19.378581][   T67] RBP: ff11000007871000 R08: 1fe22000012532f9 R09: ff110000091a8bd0
[   19.378803][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.379022][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.379254][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.379512][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.379708][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.379931][   T67] PKRU: 55555554
[   19.380064][   T67] Call Trace:
[   19.380210][   T67]  <TASK>
[   19.380316][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.380523][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.380715][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.380882][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.381048][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.381222][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.381388][   T67]  ? 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)
[   19.381564][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.381729][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.381891][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.382057][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.382238][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.382409][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.382577][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.382742][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.382909][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.383078][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.383254][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.383434][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.383606][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.383769][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.383934][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.384098][   T67]  kthread (kernel/kthread.c:436)
[   19.384246][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.384443][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.384608][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.384776][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.384967][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.385143][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.385309][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.388135][  T316] ------------[ cut here ]------------
| [   19.388278][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/316
| [   19.388510][  T316] Modules linked in:
| [   19.388872][  T316] Tainted: [W]=WARN
[   19.388972][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.389144][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.389312][  T316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.389781][  T316] RSP: 0018:ffa0000000e47020 EFLAGS: 00010286
[   19.389944][  T316] RAX: 00000000ffffffa6 RBX: ff11000009299000 RCX: 1ff40000001c8dca
[   19.390145][  T316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092990bc
[   19.390338][  T316] RBP: ff11000008fd9000 R08: 1fe2200001253219 R09: ff11000009ce0b58
[   19.390538][  T316] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   19.390733][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.390927][  T316] FS:  00007fc4c2c61840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   19.391165][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.391333][  T316] CR2: 00007fc4c2f311a0 CR3: 0000000004e82003 CR4: 0000000000771ef0
[   19.391546][  T316] PKRU: 55555554
[   19.391646][  T316] Call Trace:
[   19.391747][  T316]  <TASK>
[   19.391817][  T316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.391953][  T316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.392055][  T316]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.392195][  T316]  __dev_notify_flags (net/core/dev.c:9787)
[   19.392330][  T316]  ? netif_change_name (net/core/dev.c:1495)
[   19.392477][  T316]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.392613][  T316]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.392748][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.392883][  T316]  ? 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))
[   19.393019][  T316]  netif_change_flags (net/core/dev.c:9820)
[   19.393160][  T316]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.393296][  T316]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.393440][  T316]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.393576][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.393743][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.393877][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.394012][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.394152][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.394287][  T316]  ? __kernel_text_address (kernel/extable.c:79)
[   19.394432][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.394570][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.394702][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.394836][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.394969][  T316]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.395103][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.395242][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.395378][  T316]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.395525][  T316]  ? __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)
[   19.395660][  T316]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.395794][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.395930][  T316]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.396067][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.396209][  T316]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.396344][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.396484][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.396619][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.396751][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.396884][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.397020][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.397161][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.397295][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.397436][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.397573][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.397706][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.397838][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.397972][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.398104][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.398245][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.398377][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.398517][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.398651][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.398786][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.398924][  T316]  ? 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))
[   19.399059][  T316]  ? 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))
[   19.399197][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.399332][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.399470][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.399608][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.399743][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.399877][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.400015][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.400157][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.400291][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.400461][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   19.400597][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.400731][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.400868][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   19.401003][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.401175][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.401321][  T316]  __sys_sendmsg (net/socket.c:2784)
[   19.401462][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.401597][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.401766][  T316]  ? 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)
[   19.401901][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.402035][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.402175][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.402309][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.402447][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.402614][  T316] RIP: 0033:0x7fc4c2e9b08e
[   19.402757][  T316] 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
[   19.403237][  T316] RSP: 002b:00007fff91b439d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.403448][  T316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc4c2e9b08e
[   19.403648][  T316] RDX: 0000000000000000 RSI: 00007fff91b43a80 RDI: 0000000000000005
[   19.403848][  T316] RBP: 00007fff91b439e0 R08: 0000000000000000 R09: 0000000000000000
[   19.404049][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30b
[   19.404255][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff91b44150
| [   19.414392][   T67] ------------[ cut here ]------------
| [   19.414584][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.414886][   T67] Modules linked in:
| [   19.415774][   T67] Tainted: [W]=WARN
[   19.415917][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.416138][   T67] Workqueue: netns cleanup_net
[   19.416321][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.416551][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.417048][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   19.417272][   T67] RAX: 00000000ffffffa6 RBX: ff1100000b483380 RCX: 1ff4000000090eaf
[   19.417519][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b48343c
[   19.417759][   T67] RBP: ff1100000fe3c000 R08: 1fe2200001690689 R09: ff110000091a8bd0
[   19.418001][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   19.418252][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   19.418501][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.418805][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.419010][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.419295][   T67] PKRU: 55555554
[   19.419443][   T67] Call Trace:
[   19.419585][   T67]  <TASK>
[   19.419697][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.419876][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.420023][   T67]  netif_close_many (net/core/dev.c:1804)
[   19.420215][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.420389][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.420574][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.420750][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   19.420928][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.421149][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.421386][   T67]  ? 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)
[   19.421571][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.421745][   T67]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   19.421921][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.422147][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.422327][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.422510][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.422686][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.422862][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.423039][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.423231][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.423417][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.423597][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.423774][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.423947][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.424135][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.424311][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.424497][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.424676][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.424853][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.425034][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.425225][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.425411][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.425591][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.425767][   T67]  kthread (kernel/kthread.c:436)
[   19.425910][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.426132][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.426309][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.426495][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.426702][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.426878][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.427056][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.429818][   T67] ------------[ cut here ]------------
| [   19.429985][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   19.430768][   T67] Modules linked in:
| [   19.431367][   T67] Tainted: [W]=WARN
[   19.431643][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.431933][   T67] Workqueue: netns cleanup_net
[   19.432206][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.432467][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.432956][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   19.433166][   T67] RAX: 00000000ffffffa6 RBX: ff1100000fc863c0 RCX: 1ff4000000090ed5
[   19.433406][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc8647c
[   19.433636][   T67] RBP: ff1100000fe3c000 R08: 1fe2200001f90c91 R09: ff110000091a8bd0
[   19.433865][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.434092][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.434338][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.434610][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.434809][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   19.435037][   T67] PKRU: 55555554
[   19.435191][   T67] Call Trace:
[   19.435331][   T67]  <TASK>
[   19.435447][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.435650][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.435850][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.436022][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.436208][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.436379][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.436558][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.436730][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.436901][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   19.437068][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.437255][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   19.437434][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.437604][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.437775][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.437946][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.438131][   T67]  process_one_work (kernel/workqueue.c:3314)
[   19.438306][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.438486][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.438660][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.438860][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.439032][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.439219][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.439392][   T67]  kthread (kernel/kthread.c:436)
[   19.439540][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.439739][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.439909][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.440079][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.440320][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.440497][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.440669][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.612819][  T324] ------------[ cut here ]------------
| [   19.612989][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/324
| [   19.613424][  T324] Modules linked in:
| [   19.613798][  T324] Tainted: [W]=WARN
[   19.613899][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.614063][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.614242][  T324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.614712][  T324] RSP: 0018:ffa0000000867a80 EFLAGS: 00010286
[   19.614877][  T324] RAX: 00000000ffffffa6 RBX: ff110000029bb1c0 RCX: 1ff400000010cf16
[   19.615075][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bb27c
[   19.615276][  T324] RBP: ff1100000fc34000 R08: 1fe2200000537651 R09: ff11000004f0d180
[   19.615479][  T324] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.615674][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc34000
[   19.615871][  T324] FS:  00007fb11ebb6840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   19.616102][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.616276][  T324] CR2: 00007fb11ef2f493 CR3: 0000000004e5f001 CR4: 0000000000771ef0
[   19.616473][  T324] PKRU: 55555554
[   19.616571][  T324] Call Trace:
[   19.616669][  T324]  <TASK>
[   19.616737][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.616869][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.617002][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.617101][  T324]  register_netdevice (net/core/dev.c:11488)
[   19.617241][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.617410][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.617541][  T324]  register_netdev (net/core/dev.c:11552)
[   19.617671][  T324]  loopback_net_init (drivers/net/loopback.c:218)
[   19.617803][  T324]  ops_init (net/core/net_namespace.c:137)
[   19.617903][  T324]  setup_net (net/core/net_namespace.c:446)
[   19.618001][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.618141][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.618272][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.618409][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   19.618541][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.618675][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.618806][  T324]  ksys_unshare (kernel/fork.c:3243)
[   19.618936][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.619068][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.619202][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.619334][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   19.619470][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.619601][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.619731][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.619863][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.619996][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.620131][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.620292][  T324] RIP: 0033:0x7fb11ee78bcb
[   19.620432][  T324] 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
[   19.620892][  T324] RSP: 002b:00007ffc94a7dbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.621089][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb11ee78bcb
[   19.621289][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.621487][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.621681][  T324] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc94a7fe10
[   19.621875][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc94a8188a
| [   19.626019][  T324] ------------[ cut here ]------------
| [   19.626163][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/324
| [   19.626387][  T324] Modules linked in:
| [   19.626753][  T324] Tainted: [W]=WARN
[   19.626850][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.627012][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.627186][  T324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.627648][  T324] RSP: 0018:ffa0000000867918 EFLAGS: 00010286
[   19.627810][  T324] RAX: 00000000ffffffa6 RBX: ff1100000a341380 RCX: 1ff400000010cee9
[   19.628004][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a34143c
[   19.628201][  T324] RBP: ff11000005b9c000 R08: 1fe2200001468289 R09: ff11000004f0d180
[   19.628394][  T324] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.628590][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005b9c000
[   19.628786][  T324] FS:  00007fb11ebb6840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   19.629011][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.629177][  T324] CR2: 00007fb11ef2f493 CR3: 0000000004e5f001 CR4: 0000000000771ef0
[   19.629370][  T324] PKRU: 55555554
[   19.629471][  T324] Call Trace:
[   19.629567][  T324]  <TASK>
[   19.629634][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.629762][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.629891][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.629988][  T324]  register_netdevice (net/core/dev.c:11488)
[   19.630125][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.630285][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.630420][  T324]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.630549][  T324]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.630679][  T324]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.630808][  T324]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.630937][  T324]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.631067][  T324]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   19.631201][  T324]  ops_init (net/core/net_namespace.c:137)
[   19.631300][  T324]  setup_net (net/core/net_namespace.c:446)
[   19.631403][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.631531][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.631660][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.631790][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   19.631926][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.632058][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.632192][  T324]  ksys_unshare (kernel/fork.c:3243)
[   19.632323][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.632457][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.632585][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.632714][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   19.632846][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.632974][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.633104][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.633237][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.633367][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.633501][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.633659][  T324] RIP: 0033:0x7fb11ee78bcb
[   19.633794][  T324] 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
[   19.634255][  T324] RSP: 002b:00007ffc94a7dbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.634455][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb11ee78bcb
[   19.634647][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.634839][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.635031][  T324] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc94a7fe10
[   19.635226][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc94a8188a
| [   19.639087][  T324] ------------[ cut here ]------------
| [   19.639229][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/324
| [   19.639461][  T324] Modules linked in:
| [   19.639823][  T324] Tainted: [W]=WARN
[   19.639921][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.640085][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.640261][  T324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.640731][  T324] RSP: 0018:ffa00000008678f8 EFLAGS: 00010286
[   19.640897][  T324] RAX: 00000000ffffffa6 RBX: ff1100000a094e40 RCX: 1ff400000010cee5
[   19.641093][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a094efc
[   19.641289][  T324] RBP: ff1100000bbb9000 R08: 1fe22000014129e1 R09: ff11000004f0d180
[   19.641491][  T324] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.641685][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bbb9000
[   19.641882][  T324] FS:  00007fb11ebb6840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   19.642113][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.642281][  T324] CR2: 00007fb11ef2f493 CR3: 0000000004e5f001 CR4: 0000000000771ef0
[   19.642481][  T324] PKRU: 55555554
[   19.642581][  T324] Call Trace:
[   19.642679][  T324]  <TASK>
[   19.642747][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.642877][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.643009][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.643110][  T324]  register_netdevice (net/core/dev.c:11488)
[   19.643247][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.643412][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.643546][  T324]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.643678][  T324]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.643809][  T324]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.643941][  T324]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.644072][  T324]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.644210][  T324]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   19.644342][  T324]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.644481][  T324]  vti_init_net (net/ipv4/ip_vti.c:517)
[   19.644614][  T324]  ops_init (net/core/net_namespace.c:137)
[   19.644715][  T324]  setup_net (net/core/net_namespace.c:446)
[   19.644814][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.644944][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.645076][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.645214][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   19.645347][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.645488][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.645618][  T324]  ksys_unshare (kernel/fork.c:3243)
[   19.645749][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.645880][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.646010][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.646145][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   19.646276][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.646410][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.646541][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.646670][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.646801][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.646931][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.647092][  T324] RIP: 0033:0x7fb11ee78bcb
[   19.647231][  T324] 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
[   19.647698][  T324] RSP: 002b:00007ffc94a7dbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.647896][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb11ee78bcb
[   19.648091][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.648292][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.648491][  T324] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc94a7fe10
[   19.648689][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc94a8188a
| [   19.660144][  T324] ------------[ cut here ]------------
| [   19.660289][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/324
| [   19.660519][  T324] Modules linked in:
| [   19.660886][  T324] Tainted: [W]=WARN
[   19.660984][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.661157][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.661329][  T324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.661798][  T324] RSP: 0018:ffa0000000867a78 EFLAGS: 00010286
[   19.661964][  T324] RAX: 00000000ffffffa6 RBX: ff110000029ba740 RCX: 1ff400000010cf15
[   19.662167][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029ba7fc
[   19.662362][  T324] RBP: ff1100000e721000 R08: 1fe2200000537501 R09: ff11000004f0d180
[   19.662560][  T324] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.662753][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e721000
[   19.662950][  T324] FS:  00007fb11ebb6840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   19.663188][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.663352][  T324] CR2: 000055d19c51bae8 CR3: 0000000004e5f002 CR4: 0000000000771ef0
[   19.663553][  T324] PKRU: 55555554
[   19.663649][  T324] Call Trace:
[   19.663745][  T324]  <TASK>
[   19.663812][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.663944][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.664075][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.664180][  T324]  register_netdevice (net/core/dev.c:11488)
[   19.664311][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.664477][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.664611][  T324]  register_netdev (net/core/dev.c:11552)
[   19.664740][  T324]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   19.664872][  T324]  ops_init (net/core/net_namespace.c:137)
[   19.664971][  T324]  setup_net (net/core/net_namespace.c:446)
[   19.665068][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.665201][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.665330][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.665465][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   19.665596][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.665729][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.665861][  T324]  ksys_unshare (kernel/fork.c:3243)
[   19.665989][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.666123][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.666252][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.666381][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   19.666519][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.666648][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.666776][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.666904][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.667032][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.667164][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.667324][  T324] RIP: 0033:0x7fb11ee78bcb
[   19.667463][  T324] 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
[   19.667920][  T324] RSP: 002b:00007ffc94a7dbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.668122][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb11ee78bcb
[   19.668314][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.668510][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.668703][  T324] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc94a7fe10
[   19.668894][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc94a8188a
| [   19.672922][  T324] ------------[ cut here ]------------
| [   19.673057][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/324
| [   19.673296][  T324] Modules linked in:
| [   19.673662][  T324] Tainted: [W]=WARN
[   19.673760][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.673921][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.674088][  T324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.674561][  T324] RSP: 0018:ffa0000000867a68 EFLAGS: 00010286
[   19.674724][  T324] RAX: 00000000ffffffa6 RBX: ff1100000d184900 RCX: 1ff400000010cf13
[   19.674916][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1849bc
[   19.675108][  T324] RBP: ff1100000f104000 R08: 1fe2200001a30939 R09: ff11000004f0d180
[   19.675306][  T324] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.675506][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f104000
[   19.675699][  T324] FS:  00007fb11ebb6840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   19.675925][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.676087][  T324] CR2: 000055d19c51bae8 CR3: 0000000004e5f002 CR4: 0000000000771ef0
[   19.676290][  T324] PKRU: 55555554
[   19.676387][  T324] Call Trace:
[   19.676497][  T324]  <TASK>
[   19.676565][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.676695][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.676826][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.676925][  T324]  register_netdevice (net/core/dev.c:11488)
[   19.677056][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.677228][  T324]  register_netdev (net/core/dev.c:11552)
[   19.677358][  T324]  sit_init_net (net/ipv6/sit.c:1860)
[   19.677494][  T324]  ops_init (net/core/net_namespace.c:137)
[   19.677593][  T324]  setup_net (net/core/net_namespace.c:446)
[   19.677691][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.677820][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.677950][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.678084][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   19.678221][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.678353][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.678487][  T324]  ksys_unshare (kernel/fork.c:3243)
[   19.678615][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.678743][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.678874][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.679007][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   19.679143][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.679272][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.679405][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.679534][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.679664][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.679792][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.679952][  T324] RIP: 0033:0x7fb11ee78bcb
[   19.680088][  T324] 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
[   19.680556][  T324] RSP: 002b:00007ffc94a7dbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.680751][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb11ee78bcb
[   19.680945][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.681142][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.681333][  T324] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc94a7fe10
[   19.681530][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc94a8188a
| [   19.686749][  T324] ------------[ cut here ]------------
| [   19.686884][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/324
| [   19.687108][  T324] Modules linked in:
| [   19.687476][  T324] Tainted: [W]=WARN
[   19.687573][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.687735][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.687903][  T324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.688371][  T324] RSP: 0018:ffa0000000867a78 EFLAGS: 00010286
[   19.688539][  T324] RAX: 00000000ffffffa6 RBX: ff1100000da34c80 RCX: 1ff400000010cf15
[   19.688731][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da34d3c
[   19.688927][  T324] RBP: ff1100000f759000 R08: 1fe2200001b469a9 R09: ff11000004f0d180
[   19.689127][  T324] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.689320][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f759000
[   19.689519][  T324] FS:  00007fb11ebb6840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   19.689748][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.689910][  T324] CR2: 000055d19c51bae8 CR3: 0000000004e5f002 CR4: 0000000000771ef0
[   19.690106][  T324] PKRU: 55555554
[   19.690207][  T324] Call Trace:
[   19.690302][  T324]  <TASK>
[   19.690369][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.690503][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.690635][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.690733][  T324]  register_netdevice (net/core/dev.c:11488)
[   19.690864][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.691025][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.691162][  T324]  register_netdev (net/core/dev.c:11552)
[   19.691291][  T324]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   19.691427][  T324]  ops_init (net/core/net_namespace.c:137)
[   19.691527][  T324]  setup_net (net/core/net_namespace.c:446)
[   19.691626][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.691755][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.691885][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.692017][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   19.692209][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.692342][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.692478][  T324]  ksys_unshare (kernel/fork.c:3243)
[   19.692606][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.692735][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.692864][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.692995][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   19.693180][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.693310][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.693446][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.693575][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.693705][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.693835][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.693997][  T324] RIP: 0033:0x7fb11ee78bcb
[   19.694187][  T324] 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
[   19.694651][  T324] RSP: 002b:00007ffc94a7dbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.694844][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb11ee78bcb
[   19.695038][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.695286][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.695486][  T324] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc94a7fe10
[   19.695678][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc94a8188a
| [   19.731175][  T325] ------------[ cut here ]------------
| [   19.731364][  T325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/325
| [   19.731646][  T325] Modules linked in:
| [   19.732100][  T325] Tainted: [W]=WARN
[   19.732421][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.732628][  T325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.732846][  T325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.733363][  T325] RSP: 0018:ffa0000000e97020 EFLAGS: 00010286
[   19.733580][  T325] RAX: 00000000ffffffa6 RBX: ff1100000da343c0 RCX: 1ff40000001d2dca
[   19.733819][  T325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da3447c
[   19.734058][  T325] RBP: ff1100000fc34000 R08: 1fe2200001b46891 R09: ff11000004f18b58
[   19.734310][  T325] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   19.734558][  T325] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.734801][  T325] FS:  00007f8f399f3840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   19.735075][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.735556][  T325] CR2: 0000000036f51988 CR3: 00000000109fa002 CR4: 0000000000771ef0
[   19.735805][  T325] PKRU: 55555554
[   19.735950][  T325] Call Trace:
[   19.736095][  T325]  <TASK>
[   19.736223][  T325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.736414][  T325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.736563][  T325]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.736739][  T325]  __dev_notify_flags (net/core/dev.c:9787)
[   19.736916][  T325]  ? netif_change_name (net/core/dev.c:1495)
[   19.737093][  T325]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.737282][  T325]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.737468][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.737657][  T325]  ? 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))
[   19.737838][  T325]  netif_change_flags (net/core/dev.c:9820)
[   19.738016][  T325]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.738202][  T325]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.738384][  T325]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.738571][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.738781][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.738958][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.739146][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.739321][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.739507][  T325]  ? __kernel_text_address (kernel/extable.c:79)
[   19.739688][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.739866][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.740041][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.740231][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.740415][  T325]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.740591][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.740766][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.740943][  T325]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.741135][  T325]  ? __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)
[   19.741312][  T325]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.741495][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.741673][  T325]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.741852][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.742031][  T325]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.742226][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.742410][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.742591][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.742767][  T325]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.742942][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.743135][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.743310][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.743495][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.743675][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.743857][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.744033][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.744226][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.744411][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.744591][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.744768][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.744943][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.745134][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.745315][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.745501][  T325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.745685][  T325]  ? 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))
[   19.745863][  T325]  ? 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))
[   19.746042][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.746234][  T325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.746418][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.746601][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.746779][  T325]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.746956][  T325]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.747148][  T325]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.747325][  T325]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.747507][  T325]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.747714][  T325]  ? move_addr_to_kernel (net/socket.c:258)
[   19.747892][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.748071][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.748262][  T325]  ___sys_sendmsg (net/socket.c:2752)
[   19.748445][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.748654][  T325]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.748843][  T325]  __sys_sendmsg (net/socket.c:2784)
[   19.749020][  T325]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.749208][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.749430][  T325]  ? 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)
[   19.749609][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.749787][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.749963][  T325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.750150][  T325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.750327][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.750539][  T325] RIP: 0033:0x7f8f39c2d08e
[   19.750724][  T325] 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
[   19.751242][  T325] RSP: 002b:00007ffd67a093d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.751494][  T325] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8f39c2d08e
[   19.751735][  T325] RDX: 0000000000000000 RSI: 00007ffd67a09480 RDI: 0000000000000005
[   19.751972][  T325] RBP: 00007ffd67a093e0 R08: 0000000000000000 R09: 0000000000000000
[   19.752228][  T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30b
[   19.752473][  T325] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd67a09b50
| [   19.943413][  T333] ------------[ cut here ]------------
| [   19.943595][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/333
| [   19.943842][  T333] Modules linked in:
| [   19.944243][  T333] Tainted: [W]=WARN
[   19.944350][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.944532][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.944712][  T333] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.945201][  T333] RSP: 0018:ffa0000000ec7a80 EFLAGS: 00010286
[   19.945375][  T333] RAX: 00000000ffffffa6 RBX: ff1100000ce70c80 RCX: 1ff40000001d8f16
[   19.945586][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce70d3c
[   19.945790][  T333] RBP: ff1100000ffcc000 R08: 1fe22000019ce1a9 R09: ff11000009c15180
[   19.945994][  T333] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.946205][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffcc000
[   19.946417][  T333] FS:  00007f7d20e5d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.946664][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.946840][  T333] CR2: 00007f7d2105ec20 CR3: 0000000005e7f003 CR4: 0000000000771ef0
[   19.947048][  T333] PKRU: 55555554
[   19.947680][  T333] Call Trace:
[   19.947787][  T333]  <TASK>
[   19.947859][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.947999][  T333]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.948148][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.948256][  T333]  register_netdevice (net/core/dev.c:11488)
[   19.948396][  T333]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.948572][  T333]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.948707][  T333]  register_netdev (net/core/dev.c:11552)
[   19.948842][  T333]  loopback_net_init (drivers/net/loopback.c:218)
[   19.948983][  T333]  ops_init (net/core/net_namespace.c:137)
[   19.949088][  T333]  setup_net (net/core/net_namespace.c:446)
[   19.949198][  T333]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.949334][  T333]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.949478][  T333]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.949619][  T333]  copy_net_ns (net/core/net_namespace.c:579)
[   19.949759][  T333]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.949901][  T333]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.950039][  T333]  ksys_unshare (kernel/fork.c:3243)
[   19.950184][  T333]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.950322][  T333]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.950467][  T333]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.950605][  T333]  ? __ia32_sys_open (fs/open.c:1374)
[   19.950743][  T333]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.950880][  T333]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.951018][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.951161][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.951299][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.951441][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.951614][  T333] RIP: 0033:0x7f7d2111fbcb
[   19.951759][  T333] 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
[   19.952257][  T333] RSP: 002b:00007ffdf4ee9c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.952474][  T333] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d2111fbcb
[   19.952678][  T333] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.952884][  T333] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.953087][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf4eebec0
[   19.953295][  T333] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf4eed88a
| [   19.957670][  T333] ------------[ cut here ]------------
| [   19.957819][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/333
| [   19.958055][  T333] Modules linked in:
| [   19.958448][  T333] Tainted: [W]=WARN
[   19.958551][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.958721][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.958899][  T333] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.959390][  T333] RSP: 0018:ffa0000000ec7918 EFLAGS: 00010286
[   19.959568][  T333] RAX: 00000000ffffffa6 RBX: ff1100000da22900 RCX: 1ff40000001d8ee9
[   19.959771][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da229bc
[   19.959971][  T333] RBP: ff110000101a1000 R08: 1fe2200001b44539 R09: ff11000009c15180
[   19.960182][  T333] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.960384][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101a1000
[   19.960593][  T333] FS:  00007f7d20e5d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.960832][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.961003][  T333] CR2: 00007f7d2105ec20 CR3: 0000000005e7f003 CR4: 0000000000771ef0
[   19.961214][  T333] PKRU: 55555554
[   19.961315][  T333] Call Trace:
[   19.961432][  T333]  <TASK>
[   19.961504][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.961641][  T333]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.961778][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.961881][  T333]  register_netdevice (net/core/dev.c:11488)
[   19.962023][  T333]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.962198][  T333]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.962336][  T333]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.962480][  T333]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.962617][  T333]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.962755][  T333]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.962891][  T333]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.963030][  T333]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   19.963174][  T333]  ops_init (net/core/net_namespace.c:137)
[   19.963278][  T333]  setup_net (net/core/net_namespace.c:446)
[   19.963383][  T333]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.963524][  T333]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.963660][  T333]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.963797][  T333]  copy_net_ns (net/core/net_namespace.c:579)
[   19.963935][  T333]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.964076][  T333]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.964220][  T333]  ksys_unshare (kernel/fork.c:3243)
[   19.964357][  T333]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.964499][  T333]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.964635][  T333]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.964772][  T333]  ? __ia32_sys_open (fs/open.c:1374)
[   19.964912][  T333]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.965049][  T333]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.965191][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.965327][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.965469][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.965605][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.965774][  T333] RIP: 0033:0x7f7d2111fbcb
[   19.965917][  T333] 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
[   19.966412][  T333] RSP: 002b:00007ffdf4ee9c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.966618][  T333] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d2111fbcb
[   19.966823][  T333] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.967029][  T333] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.967235][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf4eebec0
[   19.967445][  T333] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf4eed88a
| [   19.971367][  T333] ------------[ cut here ]------------
| [   19.971519][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/333
| [   19.971757][  T333] Modules linked in:
| [   19.972464][  T333] Tainted: [W]=WARN
[   19.972571][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.972744][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.972921][  T333] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.973417][  T333] RSP: 0018:ffa0000000ec78f8 EFLAGS: 00010286
[   19.973593][  T333] RAX: 00000000ffffffa6 RBX: ff110000053f1c40 RCX: 1ff40000001d8ee5
[   19.973799][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f1cfc
[   19.974003][  T333] RBP: ff11000009431000 R08: 1fe2200000a7e3a1 R09: ff11000009c15180
[   19.974215][  T333] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.974426][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009431000
[   19.974636][  T333] FS:  00007f7d20e5d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.974879][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.975050][  T333] CR2: 00007f7d2105ec20 CR3: 0000000005e7f003 CR4: 0000000000771ef0
[   19.975264][  T333] PKRU: 55555554
[   19.975367][  T333] Call Trace:
[   19.975479][  T333]  <TASK>
[   19.975550][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.975687][  T333]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.975824][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.975930][  T333]  register_netdevice (net/core/dev.c:11488)
[   19.976071][  T333]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.976251][  T333]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.976391][  T333]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.976535][  T333]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.976673][  T333]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.976812][  T333]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.976950][  T333]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.977091][  T333]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   19.977233][  T333]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.977374][  T333]  vti_init_net (net/ipv4/ip_vti.c:517)
[   19.977515][  T333]  ops_init (net/core/net_namespace.c:137)
[   19.977621][  T333]  setup_net (net/core/net_namespace.c:446)
[   19.977726][  T333]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.977862][  T333]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.978001][  T333]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.978147][  T333]  copy_net_ns (net/core/net_namespace.c:579)
[   19.978287][  T333]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.978433][  T333]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.978573][  T333]  ksys_unshare (kernel/fork.c:3243)
[   19.978710][  T333]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.978848][  T333]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.978985][  T333]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.979130][  T333]  ? __ia32_sys_open (fs/open.c:1374)
[   19.979271][  T333]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.979413][  T333]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.979549][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.979686][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.979825][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.979964][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.980141][  T333] RIP: 0033:0x7f7d2111fbcb
[   19.980287][  T333] 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
[   19.980780][  T333] RSP: 002b:00007ffdf4ee9c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.980987][  T333] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d2111fbcb
[   19.981199][  T333] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.981413][  T333] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.981618][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf4eebec0
[   19.981822][  T333] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf4eed88a
| [   19.994315][  T333] ------------[ cut here ]------------
| [   19.994479][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/333
| [   19.994720][  T333] Modules linked in:
| [   19.995100][  T333] Tainted: [W]=WARN
[   19.995208][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.995377][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.995558][  T333] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.996037][  T333] RSP: 0018:ffa0000000ec7a78 EFLAGS: 00010286
[   19.996214][  T333] RAX: 00000000ffffffa6 RBX: ff1100000ce70040 RCX: 1ff40000001d8f15
[   19.996421][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce700fc
[   19.996621][  T333] RBP: ff110000059e1000 R08: 1fe22000019ce021 R09: ff11000009c15180
[   19.996825][  T333] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.997026][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000059e1000
[   19.997232][  T333] FS:  00007f7d20e5d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   19.997476][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.997647][  T333] CR2: 00007f7d2105ec20 CR3: 0000000005e7f003 CR4: 0000000000771ef0
[   19.997853][  T333] PKRU: 55555554
[   19.997955][  T333] Call Trace:
[   19.998058][  T333]  <TASK>
[   19.998133][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.998268][  T333]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.998409][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.998515][  T333]  register_netdevice (net/core/dev.c:11488)
[   19.998655][  T333]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.998822][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.998959][  T333]  register_netdev (net/core/dev.c:11552)
[   19.999096][  T333]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   19.999295][  T333]  ops_init (net/core/net_namespace.c:137)
[   19.999405][  T333]  setup_net (net/core/net_namespace.c:446)
[   19.999509][  T333]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.999644][  T333]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.999778][  T333]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.999916][  T333]  copy_net_ns (net/core/net_namespace.c:579)
[   20.000052][  T333]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.000252][  T333]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.000388][  T333]  ksys_unshare (kernel/fork.c:3243)
[   20.000530][  T333]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.000669][  T333]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.000805][  T333]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.000942][  T333]  ? __ia32_sys_open (fs/open.c:1374)
[   20.001079][  T333]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.001268][  T333]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.001408][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.001544][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.001680][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.001817][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.001982][  T333] RIP: 0033:0x7f7d2111fbcb
[   20.002181][  T333] 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
[   20.002668][  T333] RSP: 002b:00007ffdf4ee9c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.002873][  T333] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d2111fbcb
[   20.003074][  T333] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.003334][  T333] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.003541][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf4eebec0
[   20.003743][  T333] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf4eed88a
| [   20.008624][  T333] ------------[ cut here ]------------
| [   20.008771][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/333
| [   20.009010][  T333] Modules linked in:
| [   20.009393][  T333] Tainted: [W]=WARN
[   20.009502][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.009672][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.009846][  T333] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.010333][  T333] RSP: 0018:ffa0000000ec7a68 EFLAGS: 00010286
[   20.010509][  T333] RAX: 00000000ffffffa6 RBX: ff1100000979d380 RCX: 1ff40000001d8f13
[   20.010713][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d43c
[   20.010915][  T333] RBP: ff1100000ff49000 R08: 1fe22000012f3a89 R09: ff11000009c15180
[   20.011121][  T333] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.011324][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff49000
[   20.011537][  T333] FS:  00007f7d20e5d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   20.011773][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.011942][  T333] CR2: 00007f7d2105ec20 CR3: 0000000005e7f003 CR4: 0000000000771ef0
[   20.012152][  T333] PKRU: 55555554
[   20.012252][  T333] Call Trace:
[   20.012353][  T333]  <TASK>
[   20.012430][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.012566][  T333]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.012702][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.012806][  T333]  register_netdevice (net/core/dev.c:11488)
[   20.012943][  T333]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.013120][  T333]  register_netdev (net/core/dev.c:11552)
[   20.013258][  T333]  sit_init_net (net/ipv6/sit.c:1860)
[   20.013397][  T333]  ops_init (net/core/net_namespace.c:137)
[   20.013508][  T333]  setup_net (net/core/net_namespace.c:446)
[   20.013610][  T333]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.013744][  T333]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.013881][  T333]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.014017][  T333]  copy_net_ns (net/core/net_namespace.c:579)
[   20.014158][  T333]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.014299][  T333]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.014441][  T333]  ksys_unshare (kernel/fork.c:3243)
[   20.014578][  T333]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.014714][  T333]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.014851][  T333]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.014986][  T333]  ? __ia32_sys_open (fs/open.c:1374)
[   20.015129][  T333]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.015264][  T333]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.015404][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.015539][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.015674][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.015808][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.015975][  T333] RIP: 0033:0x7f7d2111fbcb
[   20.016114][  T333] 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
[   20.016618][  T333] RSP: 002b:00007ffdf4ee9c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.016822][  T333] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d2111fbcb
[   20.017022][  T333] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.017229][  T333] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.017435][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf4eebec0
[   20.017636][  T333] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf4eed88a
| [   20.022389][  T333] ------------[ cut here ]------------
| [   20.022541][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/333
| [   20.022777][  T333] Modules linked in:
| [   20.023708][  T333] Tainted: [W]=WARN
[   20.023816][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.023986][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.024222][  T333] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.024710][  T333] RSP: 0018:ffa0000000ec7a78 EFLAGS: 00010286
[   20.024882][  T333] RAX: 00000000ffffffa6 RBX: ff110000091bc580 RCX: 1ff40000001d8f15
[   20.025084][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bc63c
[   20.025347][  T333] RBP: ff110000100b4000 R08: 1fe22000012378c9 R09: ff11000009c15180
[   20.025559][  T333] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.025765][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100b4000
[   20.026029][  T333] FS:  00007f7d20e5d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   20.026332][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.026510][  T333] CR2: 00007f7d2105ec20 CR3: 0000000005e7f003 CR4: 0000000000771ef0
[   20.026720][  T333] PKRU: 55555554
[   20.026823][  T333] Call Trace:
[   20.026925][  T333]  <TASK>
[   20.026995][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.027190][  T333]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.027329][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.027440][  T333]  register_netdevice (net/core/dev.c:11488)
[   20.027580][  T333]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.027755][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.027895][  T333]  register_netdev (net/core/dev.c:11552)
[   20.028032][  T333]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   20.028229][  T333]  ops_init (net/core/net_namespace.c:137)
[   20.028334][  T333]  setup_net (net/core/net_namespace.c:446)
[   20.028443][  T333]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.028579][  T333]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.028720][  T333]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.028859][  T333]  copy_net_ns (net/core/net_namespace.c:579)
[   20.028998][  T333]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.029197][  T333]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.029334][  T333]  ksys_unshare (kernel/fork.c:3243)
[   20.029505][  T333]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.029643][  T333]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.029780][  T333]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.029917][  T333]  ? __ia32_sys_open (fs/open.c:1374)
[   20.030056][  T333]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.030249][  T333]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.030385][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.030527][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.030666][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.030803][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.030977][  T333] RIP: 0033:0x7f7d2111fbcb
[   20.031181][  T333] 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
[   20.031669][  T333] RSP: 002b:00007ffdf4ee9c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.031876][  T333] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d2111fbcb
[   20.032078][  T333] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.032339][  T333] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.032545][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf4eebec0
[   20.032749][  T333] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf4eed88a
| [   20.059943][  T334] ------------[ cut here ]------------
| [   20.060148][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/334
| [   20.060435][  T334] Modules linked in:
| [   20.060908][  T334] Tainted: [W]=WARN
[   20.061054][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.061279][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.061509][  T334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.062035][  T334] RSP: 0018:ffa0000000ed7020 EFLAGS: 00010286
[   20.062269][  T334] RAX: 00000000ffffffa6 RBX: ff1100000de99e00 RCX: 1ff40000001dadca
[   20.062524][  T334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de99ebc
[   20.062769][  T334] RBP: ff1100000ffcc000 R08: 1fe2200001bd33d9 R09: ff110000021d0b58
[   20.063018][  T334] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   20.063278][  T334] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.063536][  T334] FS:  00007ff7f05ed840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   20.063820][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.064041][  T334] CR2: 000000000dfc6988 CR3: 000000000f693001 CR4: 0000000000771ef0
[   20.064302][  T334] PKRU: 55555554
[   20.064459][  T334] Call Trace:
[   20.064608][  T334]  <TASK>
[   20.064725][  T334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.064908][  T334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.065057][  T334]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.065251][  T334]  __dev_notify_flags (net/core/dev.c:9787)
[   20.065448][  T334]  ? netif_change_name (net/core/dev.c:1495)
[   20.065629][  T334]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.065811][  T334]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.065993][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.066189][  T334]  ? 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))
[   20.066376][  T334]  netif_change_flags (net/core/dev.c:9820)
[   20.066570][  T334]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.066752][  T334]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.066937][  T334]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.067132][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.067350][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.067539][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.067721][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.067904][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.068086][  T334]  ? __kernel_text_address (kernel/extable.c:79)
[   20.068280][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.068471][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.068654][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.068838][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.069021][  T334]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.069219][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.069406][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.069588][  T334]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.069772][  T334]  ? __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)
[   20.069953][  T334]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.070148][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.070331][  T334]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.070526][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.070721][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.070905][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.071085][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.071282][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.071473][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.071658][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.071842][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.072028][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.072224][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.072416][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.072598][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.072779][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.072960][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.073151][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.073330][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.073522][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.073701][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.073883][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.074065][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.074260][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.074454][  T334]  ? 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))
[   20.074635][  T334]  ? 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))
[   20.074819][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.075011][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.075202][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.075385][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.075579][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.075765][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.075953][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.076147][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.076332][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.076555][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   20.076739][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.076922][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.077109][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   20.077605][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.077823][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.078019][  T334]  __sys_sendmsg (net/socket.c:2784)
[   20.078220][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.078407][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.078625][  T334]  ? 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)
[   20.078809][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.078994][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.079190][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.079372][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.079565][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.079778][  T334] RIP: 0033:0x7ff7f082708e
[   20.079966][  T334] 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
[   20.080508][  T334] RSP: 002b:00007fffeb4fd240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.080763][  T334] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff7f082708e
[   20.081012][  T334] RDX: 0000000000000000 RSI: 00007fffeb4fd2f0 RDI: 0000000000000005
[   20.081273][  T334] RBP: 00007fffeb4fd250 R08: 0000000000000000 R09: 0000000000000000
[   20.081529][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30c
[   20.081779][  T334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffeb4fd9c0
| [   20.292378][  T342] ------------[ cut here ]------------
| [   20.292563][  T342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/342
| [   20.292801][  T342] Modules linked in:
| [   20.293186][  T342] Tainted: [W]=WARN
[   20.293288][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.293461][  T342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.293635][  T342] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.294108][  T342] RSP: 0018:ffa0000000f47a80 EFLAGS: 00010286
[   20.294284][  T342] RAX: 00000000ffffffa6 RBX: ff1100000a14f1c0 RCX: 1ff40000001e8f16
[   20.294493][  T342] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14f27c
[   20.294693][  T342] RBP: ff1100000f379000 R08: 1fe2200001429e51 R09: ff110000106cae80
[   20.294891][  T342] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.295088][  T342] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f379000
[   20.295295][  T342] FS:  00007f065d050840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   20.295537][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.295705][  T342] CR2: 00007f065d257430 CR3: 000000000c65f004 CR4: 0000000000771ef0
[   20.295904][  T342] PKRU: 55555554
[   20.296003][  T342] Call Trace:
[   20.296104][  T342]  <TASK>
[   20.296180][  T342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.296316][  T342]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.296456][  T342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.296558][  T342]  register_netdevice (net/core/dev.c:11488)
[   20.296692][  T342]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.296856][  T342]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.296990][  T342]  register_netdev (net/core/dev.c:11552)
[   20.297126][  T342]  loopback_net_init (drivers/net/loopback.c:218)
[   20.297261][  T342]  ops_init (net/core/net_namespace.c:137)
[   20.297364][  T342]  setup_net (net/core/net_namespace.c:446)
[   20.297470][  T342]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.297603][  T342]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.297739][  T342]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.297876][  T342]  copy_net_ns (net/core/net_namespace.c:579)
[   20.298010][  T342]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.298152][  T342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.298287][  T342]  ksys_unshare (kernel/fork.c:3243)
[   20.298427][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.298562][  T342]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.298697][  T342]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.298832][  T342]  ? __ia32_sys_open (fs/open.c:1374)
[   20.298966][  T342]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.299099][  T342]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.299237][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.299368][  T342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.299507][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.299638][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.299805][  T342] RIP: 0033:0x7f065d312bcb
[   20.299946][  T342] 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
[   20.300427][  T342] RSP: 002b:00007ffc4bf43868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.300628][  T342] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f065d312bcb
[   20.300826][  T342] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.301024][  T342] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.301227][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc4bf45a90
[   20.301431][  T342] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bf4788a
| [   20.305692][  T342] ------------[ cut here ]------------
| [   20.305836][  T342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/342
| [   20.306067][  T342] Modules linked in:
| [   20.306462][  T342] Tainted: [W]=WARN
[   20.306563][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.306730][  T342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.306902][  T342] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.307372][  T342] RSP: 0018:ffa0000000f47918 EFLAGS: 00010286
[   20.307546][  T342] RAX: 00000000ffffffa6 RBX: ff1100000de06e40 RCX: 1ff40000001e8ee9
[   20.307745][  T342] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de06efc
[   20.307940][  T342] RBP: ff11000010414000 R08: 1fe2200001bc0de1 R09: ff110000106cae80
[   20.308138][  T342] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.308333][  T342] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010414000
[   20.308536][  T342] FS:  00007f065d050840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   20.308766][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.308932][  T342] CR2: 00007f065d257430 CR3: 000000000c65f004 CR4: 0000000000771ef0
[   20.309132][  T342] PKRU: 55555554
[   20.309230][  T342] Call Trace:
[   20.309331][  T342]  <TASK>
[   20.309405][  T342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.309538][  T342]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.309673][  T342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.309774][  T342]  register_netdevice (net/core/dev.c:11488)
[   20.309907][  T342]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.310071][  T342]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.310211][  T342]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.310345][  T342]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   20.310480][  T342]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.310612][  T342]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.310745][  T342]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   20.310877][  T342]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   20.311011][  T342]  ops_init (net/core/net_namespace.c:137)
[   20.311111][  T342]  setup_net (net/core/net_namespace.c:446)
[   20.311217][  T342]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.311348][  T342]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.311484][  T342]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.311630][  T342]  copy_net_ns (net/core/net_namespace.c:579)
[   20.311762][  T342]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.311896][  T342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.312028][  T342]  ksys_unshare (kernel/fork.c:3243)
[   20.312165][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.312298][  T342]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.312435][  T342]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.312567][  T342]  ? __ia32_sys_open (fs/open.c:1374)
[   20.312715][  T342]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.312902][  T342]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.313071][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.313278][  T342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.313447][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.313582][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.313745][  T342] RIP: 0033:0x7f065d312bcb
[   20.313884][  T342] 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
[   20.314368][  T342] RSP: 002b:00007ffc4bf43868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.314575][  T342] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f065d312bcb
[   20.314772][  T342] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.314970][  T342] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.315174][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc4bf45a90
[   20.315370][  T342] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bf4788a
| [   20.327266][  T342] ------------[ cut here ]------------
| [   20.327465][  T342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/342
| [   20.327744][  T342] Modules linked in:
| [   20.328227][  T342] Tainted: [W]=WARN
[   20.328375][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.328598][  T342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.328820][  T342] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.329351][  T342] RSP: 0018:ffa0000000f478f8 EFLAGS: 00010286
[   20.329577][  T342] RAX: 00000000ffffffa6 RBX: ff11000009259000 RCX: 1ff40000001e8ee5
[   20.329824][  T342] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092590bc
[   20.330068][  T342] RBP: ff11000008da9000 R08: 1fe220000124b219 R09: ff110000106cae80
[   20.330325][  T342] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.330578][  T342] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008da9000
[   20.330825][  T342] FS:  00007f065d050840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   20.331104][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.331332][  T342] CR2: 00007f2db2f84574 CR3: 000000000c65f002 CR4: 0000000000771ef0
[   20.331586][  T342] PKRU: 55555554
[   20.331733][  T342] Call Trace:
[   20.331881][  T342]  <TASK>
[   20.331999][  T342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.332199][  T342]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.332381][  T342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.332540][  T342]  register_netdevice (net/core/dev.c:11488)
[   20.332721][  T342]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.332933][  T342]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.333128][  T342]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.333310][  T342]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   20.333503][  T342]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.333688][  T342]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.333867][  T342]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   20.334049][  T342]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   20.334243][  T342]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.334434][  T342]  vti_init_net (net/ipv4/ip_vti.c:517)
[   20.334621][  T342]  ops_init (net/core/net_namespace.c:137)
[   20.334773][  T342]  setup_net (net/core/net_namespace.c:446)
[   20.334921][  T342]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.335101][  T342]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.335297][  T342]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.335484][  T342]  copy_net_ns (net/core/net_namespace.c:579)
[   20.335669][  T342]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.335853][  T342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.336042][  T342]  ksys_unshare (kernel/fork.c:3243)
[   20.336234][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.336422][  T342]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.336605][  T342]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.336788][  T342]  ? __ia32_sys_open (fs/open.c:1374)
[   20.336970][  T342]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.337164][  T342]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.337344][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.337536][  T342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.337716][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.337898][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.338109][  T342] RIP: 0033:0x7f065d312bcb
[   20.338308][  T342] 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
[   20.338834][  T342] RSP: 002b:00007ffc4bf43868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.339081][  T342] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f065d312bcb
[   20.339334][  T342] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.339586][  T342] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.339835][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc4bf45a90
[   20.340079][  T342] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bf4788a
| [   20.344881][  T342] ------------[ cut here ]------------
| [   20.345060][  T342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/342
| [   20.345352][  T342] Modules linked in:
| [   20.345823][  T342] Tainted: [W]=WARN
[   20.345968][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.346192][  T342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.346416][  T342] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.346931][  T342] RSP: 0018:ffa0000000f47a78 EFLAGS: 00010286
[   20.347158][  T342] RAX: 00000000ffffffa6 RBX: ff11000009258040 RCX: 1ff40000001e8f15
[   20.347411][  T342] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092580fc
[   20.347656][  T342] RBP: ff11000004eb4000 R08: 1fe220000124b021 R09: ff110000106cae80
[   20.347898][  T342] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.348158][  T342] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004eb4000
[   20.348412][  T342] FS:  00007f065d050840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   20.348692][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.348906][  T342] CR2: 00007f2db2f84574 CR3: 000000000c65f002 CR4: 0000000000771ef0
[   20.349170][  T342] PKRU: 55555554
[   20.349315][  T342] Call Trace:
[   20.349471][  T342]  <TASK>
[   20.349587][  T342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.349771][  T342]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.349952][  T342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.350099][  T342]  register_netdevice (net/core/dev.c:11488)
[   20.350292][  T342]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.350512][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.350694][  T342]  register_netdev (net/core/dev.c:11552)
[   20.350875][  T342]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   20.351058][  T342]  ops_init (net/core/net_namespace.c:137)
[   20.351218][  T342]  setup_net (net/core/net_namespace.c:446)
[   20.351366][  T342]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.351548][  T342]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.351730][  T342]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.351911][  T342]  copy_net_ns (net/core/net_namespace.c:579)
[   20.352092][  T342]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.352285][  T342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.352475][  T342]  ksys_unshare (kernel/fork.c:3243)
[   20.352658][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.352836][  T342]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.353019][  T342]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.353212][  T342]  ? __ia32_sys_open (fs/open.c:1374)
[   20.353395][  T342]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.353581][  T342]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.353761][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.353940][  T342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.354130][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.354309][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.354533][  T342] RIP: 0033:0x7f065d312bcb
[   20.354789][  T342] 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
[   20.355532][  T342] RSP: 002b:00007ffc4bf43868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.355783][  T342] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f065d312bcb
[   20.356028][  T342] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.356284][  T342] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.356535][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc4bf45a90
[   20.356776][  T342] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bf4788a
| [   20.362572][  T342] ------------[ cut here ]------------
| [   20.362755][  T342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/342
| [   20.363033][  T342] Modules linked in:
| [   20.363513][  T342] Tainted: [W]=WARN
[   20.363660][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.363882][  T342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.364102][  T342] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.364702][  T342] RSP: 0018:ffa0000000f47a68 EFLAGS: 00010286
[   20.364973][  T342] RAX: 00000000ffffffa6 RBX: ff1100000ce711c0 RCX: 1ff40000001e8f13
[   20.365283][  T342] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce7127c
[   20.365591][  T342] RBP: ff1100000ff04000 R08: 1fe22000019ce251 R09: ff110000106cae80
[   20.365888][  T342] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.366199][  T342] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff04000
[   20.366512][  T342] FS:  00007f065d050840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   20.366892][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.367288][  T342] CR2: 00007f2db2f84574 CR3: 000000000c65f002 CR4: 0000000000771ef0
[   20.367734][  T342] PKRU: 55555554
[   20.368016][  T342] Call Trace:
[   20.368243][  T342]  <TASK>
[   20.368422][  T342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.368659][  T342]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.368896][  T342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.369098][  T342]  register_netdevice (net/core/dev.c:11488)
[   20.369347][  T342]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.369631][  T342]  register_netdev (net/core/dev.c:11552)
[   20.369868][  T342]  sit_init_net (net/ipv6/sit.c:1860)
[   20.370105][  T342]  ops_init (net/core/net_namespace.c:137)
[   20.370322][  T342]  setup_net (net/core/net_namespace.c:446)
[   20.370540][  T342]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.370771][  T342]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.371002][  T342]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.371254][  T342]  copy_net_ns (net/core/net_namespace.c:579)
[   20.371501][  T342]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.371741][  T342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.371975][  T342]  ksys_unshare (kernel/fork.c:3243)
[   20.372223][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.372464][  T342]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.372700][  T342]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.372932][  T342]  ? __ia32_sys_open (fs/open.c:1374)
[   20.373183][  T342]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.373369][  T342]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.373548][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.373730][  T342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.373908][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.374087][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.374309][  T342] RIP: 0033:0x7f065d312bcb
[   20.374501][  T342] 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
[   20.375014][  T342] RSP: 002b:00007ffc4bf43868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.375357][  T342] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f065d312bcb
[   20.375709][  T342] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.376047][  T342] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.376378][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc4bf45a90
[   20.376706][  T342] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bf4788a
| [   20.382092][  T342] ------------[ cut here ]------------
| [   20.382280][  T342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/342
| [   20.382562][  T342] Modules linked in:
| [   20.383024][  T342] Tainted: [W]=WARN
[   20.383188][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.383408][  T342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.383628][  T342] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.384698][  T342] RSP: 0018:ffa0000000f47a78 EFLAGS: 00010286
[   20.384973][  T342] RAX: 00000000ffffffa6 RBX: ff1100000de983c0 RCX: 1ff40000001e8f15
[   20.385286][  T342] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de9847c
[   20.385593][  T342] RBP: ff110000109c1000 R08: 1fe2200001bd3091 R09: ff110000106cae80
[   20.385889][  T342] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.386203][  T342] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000109c1000
[   20.386518][  T342] FS:  00007f065d050840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   20.386864][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.387145][  T342] CR2: 00007f2db2f84574 CR3: 000000000c65f002 CR4: 0000000000771ef0
[   20.387452][  T342] PKRU: 55555554
[   20.387656][  T342] Call Trace:
[   20.387858][  T342]  <TASK>
[   20.388027][  T342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.388274][  T342]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.388514][  T342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.388719][  T342]  register_netdevice (net/core/dev.c:11488)
[   20.388956][  T342]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.389232][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.389478][  T342]  register_netdev (net/core/dev.c:11552)
[   20.389714][  T342]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   20.389951][  T342]  ops_init (net/core/net_namespace.c:137)
[   20.390167][  T342]  setup_net (net/core/net_namespace.c:446)
[   20.390342][  T342]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.390531][  T342]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.390712][  T342]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.390897][  T342]  copy_net_ns (net/core/net_namespace.c:579)
[   20.391079][  T342]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.391270][  T342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.391462][  T342]  ksys_unshare (kernel/fork.c:3243)
[   20.391644][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.391825][  T342]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.392003][  T342]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.392198][  T342]  ? __ia32_sys_open (fs/open.c:1374)
[   20.392379][  T342]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.392567][  T342]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.392744][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.392922][  T342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.393101][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.393297][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.393512][  T342] RIP: 0033:0x7f065d312bcb
[   20.393702][  T342] 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
[   20.394230][  T342] RSP: 002b:00007ffc4bf43868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.394479][  T342] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f065d312bcb
[   20.394726][  T342] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.394968][  T342] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.395226][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc4bf45a90
[   20.395478][  T342] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bf4788a
| [   20.426740][  T343] ------------[ cut here ]------------
| [   20.426890][  T343] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/343
| [   20.427130][  T343] Modules linked in:
| [   20.427528][  T343] Tainted: [W]=WARN
[   20.427627][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.427797][  T343] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.427968][  T343] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.428446][  T343] RSP: 0018:ffa0000000f57020 EFLAGS: 00010286
[   20.428612][  T343] RAX: 00000000ffffffa6 RBX: ff1100000da22580 RCX: 1ff40000001eadca
[   20.428809][  T343] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da2263c
[   20.429005][  T343] RBP: ff1100000f379000 R08: 1fe2200001b444c9 R09: ff110000106cd158
[   20.429211][  T343] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   20.429411][  T343] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.429609][  T343] FS:  00007f5eaf2c5840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   20.429839][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.430006][  T343] CR2: 000000003a907988 CR3: 0000000010872006 CR4: 0000000000771ef0
[   20.430208][  T343] PKRU: 55555554
[   20.430307][  T343] Call Trace:
[   20.430408][  T343]  <TASK>
[   20.430477][  T343]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.430610][  T343]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.430711][  T343]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.430842][  T343]  __dev_notify_flags (net/core/dev.c:9787)
[   20.430977][  T343]  ? netif_change_name (net/core/dev.c:1495)
[   20.431108][  T343]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.431252][  T343]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.431384][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.431520][  T343]  ? 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))
[   20.431655][  T343]  netif_change_flags (net/core/dev.c:9820)
[   20.431788][  T343]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.431920][  T343]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.432054][  T343]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.432192][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.432359][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.432499][  T343]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.432630][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.432763][  T343]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.432895][  T343]  ? __kernel_text_address (kernel/extable.c:79)
[   20.433027][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.433167][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.433298][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.433435][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.433567][  T343]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.433698][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.433828][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.433960][  T343]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.434093][  T343]  ? __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)
[   20.434286][  T343]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.434425][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.434564][  T343]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.434698][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.434836][  T343]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.434969][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.435099][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.435305][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.435442][  T343]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.435573][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.435706][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.435839][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.435972][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.436105][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.436293][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.436435][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.436569][  T343]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.436700][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.436833][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.436973][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.437106][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.437317][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.437456][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.437586][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.437721][  T343]  ? 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))
[   20.437851][  T343]  ? 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))
[   20.437984][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.438197][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.438329][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.438468][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.438601][  T343]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.438734][  T343]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.438869][  T343]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.439004][  T343]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.439224][  T343]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.439387][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   20.439523][  T343]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.439655][  T343]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.439789][  T343]  ___sys_sendmsg (net/socket.c:2752)
[   20.439921][  T343]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.440087][  T343]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.440312][  T343]  __sys_sendmsg (net/socket.c:2784)
[   20.440450][  T343]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.440582][  T343]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.440747][  T343]  ? 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)
[   20.440880][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.441015][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.441194][  T343]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.441328][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.441470][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.441634][  T343] RIP: 0033:0x7f5eaf4ff08e
[   20.441773][  T343] 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
[   20.442248][  T343] RSP: 002b:00007fff795e3380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.442453][  T343] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5eaf4ff08e
[   20.442649][  T343] RDX: 0000000000000000 RSI: 00007fff795e3430 RDI: 0000000000000005
[   20.442847][  T343] RBP: 00007fff795e3390 R08: 0000000000000000 R09: 0000000000000000
[   20.443044][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30c
[   20.443248][  T343] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff795e3b00
| [   21.918278][  T382] ------------[ cut here ]------------
| [   21.918508][  T382] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/382
| [   21.918795][  T382] Modules linked in:
| [   21.919280][  T382] Tainted: [W]=WARN
[   21.919435][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.919652][  T382] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.919874][  T382] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.920401][  T382] RSP: 0018:ffa00000011771b0 EFLAGS: 00010286
[   21.920624][  T382] RAX: 00000000ffffffa6 RBX: ff110000053f11c0 RCX: 1ff400000022edfc
[   21.920867][  T382] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f127c
[   21.921112][  T382] RBP: ff1100000f75c000 R08: 1fe2200000a7e251 R09: ff11000004f0d180
[   21.921369][  T382] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.921620][  T382] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5008da0
[   21.921866][  T382] FS:  00007f37de161840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   21.922161][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.922374][  T382] CR2: 00000000004a2860 CR3: 000000001081f001 CR4: 0000000000771ef0
[   21.922628][  T382] PKRU: 55555554
[   21.922774][  T382] Call Trace:
[   21.922921][  T382]  <TASK>
[   21.923038][  T382]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.923233][  T382]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.923382][  T382]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.923571][  T382]  __dev_notify_flags (net/core/dev.c:9787)
[   21.923752][  T382]  ? netif_change_name (net/core/dev.c:1495)
[   21.923932][  T382]  ? __dev_change_flags (net/core/dev.c:9752)
[   21.924111][  T382]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.924302][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.924485][  T382]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   21.924666][  T382]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.924850][  T382]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   21.925032][  T382]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   21.925229][  T382]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   21.925414][  T382]  ? __dev_get_by_name (net/core/dev.c:883)
[   21.925595][  T382]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   21.925780][  T382]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   21.925963][  T382]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.926156][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.926334][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.926519][  T382]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.926698][  T382]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.926876][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.927060][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.927253][  T382]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.927439][  T382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.927620][  T382]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.927798][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.927976][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.928169][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.928348][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.928537][  T382]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.928718][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.928898][  T382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.929080][  T382]  ? 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))
[   21.929267][  T382]  ? 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))
[   21.929456][  T382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.929638][  T382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.929821][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.930001][  T382]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.930196][  T382]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.930377][  T382]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.930570][  T382]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.930749][  T382]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.930930][  T382]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.931154][  T382]  ? move_addr_to_kernel (net/socket.c:258)
[   21.931340][  T382]  ___sys_sendmsg (net/socket.c:2752)
[   21.931534][  T382]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.931722][  T382]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.931940][  T382]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   21.932134][  T382]  __sys_sendmsg (net/socket.c:2784)
[   21.932314][  T382]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.932507][  T382]  ? 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)
[   21.932688][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.932870][  T382]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.933052][  T382]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.933243][  T382]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.933430][  T382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.933643][  T382] RIP: 0033:0x7f37de39b08e
[   21.933830][  T382] 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
[   21.934365][  T382] RSP: 002b:00007ffee20f3660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.934620][  T382] RAX: ffffffffffffffda RBX: 00007ffee20f3e18 RCX: 00007f37de39b08e
[   21.934867][  T382] RDX: 0000000000000000 RSI: 00007ffee20f3710 RDI: 0000000000000005
[   21.935113][  T382] RBP: 00007ffee20f3670 R08: 0000000000000000 R09: 0000000000000000
[   21.935369][  T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   21.935620][  T382] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee20f3de0
| [   22.018857][  T384] ------------[ cut here ]------------
| [   22.019067][  T384] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/384
| [   22.019367][  T384] Modules linked in:
| [   22.019840][  T384] Tainted: [W]=WARN
[   22.019988][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.020289][  T384] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.020582][  T384] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.021184][  T384] RSP: 0018:ffa0000001196e30 EFLAGS: 00010286
[   22.021434][  T384] RAX: 00000000ffffffa6 RBX: ff1100000a094ac0 RCX: 1ff4000000232d8c
[   22.021677][  T384] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a094b7c
[   22.021923][  T384] RBP: ff1100000fda4000 R08: 1fe2200001412971 R09: ff11000004f08b80
[   22.022184][  T384] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.022436][  T384] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050b8400
[   22.022686][  T384] FS:  00007fa40b6b4840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   22.022968][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.023196][  T384] CR2: 000000000042ebe0 CR3: 000000000f33b003 CR4: 0000000000771ef0
[   22.023465][  T384] PKRU: 55555554
[   22.023615][  T384] Call Trace:
[   22.023765][  T384]  <TASK>
[   22.023916][  T384]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   22.024230][  T384]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.024504][  T384]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.024716][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.024978][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.025184][  T384]  __dev_notify_flags (net/core/dev.c:9787)
[   22.025369][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.025556][  T384]  ? netif_change_name (net/core/dev.c:1495)
[   22.025739][  T384]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   22.025923][  T384]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   22.026108][  T384]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.026305][  T384]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.026497][  T384]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   22.026683][  T384]  veth_newlink (drivers/net/veth.c:1871)
[   22.026867][  T384]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   22.027045][  T384]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.027238][  T384]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.027425][  T384]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.027627][  T384]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   22.027806][  T384]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   22.027988][  T384]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   22.028183][  T384]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.028366][  T384]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   22.028556][  T384]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   22.028738][  T384]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.028920][  T384]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.029101][  T384]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.029301][  T384]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.029492][  T384]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.029675][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.029854][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.030036][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.030229][  T384]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.030419][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.030606][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.030787][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.030969][  T384]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.031163][  T384]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.031343][  T384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.031530][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.031717][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.031895][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.032076][  T384]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.032271][  T384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.032455][  T384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.032640][  T384]  ? 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))
[   22.032819][  T384]  ? 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))
[   22.033001][  T384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.033197][  T384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.033379][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.033569][  T384]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.033750][  T384]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.033931][  T384]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.034127][  T384]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.034310][  T384]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.034502][  T384]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.034713][  T384]  ? move_addr_to_kernel (net/socket.c:258)
[   22.034943][  T384]  ___sys_sendmsg (net/socket.c:2752)
[   22.035209][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.035468][  T384]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.035731][  T384]  ? 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))
[   22.035917][  T384]  __sys_sendmsg (net/socket.c:2784)
[   22.036104][  T384]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.036302][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.036496][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.036681][  T384]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.036864][  T384]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.037046][  T384]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.037238][  T384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.037462][  T384] RIP: 0033:0x7fa40b8ee08e
[   22.037656][  T384] 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
[   22.038193][  T384] RSP: 002b:00007ffcd55899a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.038461][  T384] RAX: ffffffffffffffda RBX: 00007ffcd558a138 RCX: 00007fa40b8ee08e
[   22.038712][  T384] RDX: 0000000000000000 RSI: 00007ffcd5589a50 RDI: 0000000000000005
[   22.038960][  T384] RBP: 00007ffcd55899b0 R08: 0000000000000000 R09: 0000000000000000
[   22.039220][  T384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.039477][  T384] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd558a110
| [   22.048102][  T384] ------------[ cut here ]------------
| [   22.048258][  T384] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/384
| [   22.048496][  T384] Modules linked in:
| [   22.048913][  T384] Tainted: [W]=WARN
[   22.049016][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.049188][  T384] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.049362][  T384] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.049847][  T384] RSP: 0018:ffa00000011971b0 EFLAGS: 00010286
[   22.050016][  T384] RAX: 00000000ffffffa6 RBX: ff1100000979c740 RCX: 1ff4000000232dfc
[   22.050221][  T384] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979c7fc
[   22.050422][  T384] RBP: ff11000008fc1000 R08: 1fe22000012f3901 R09: ff11000004f08b80
[   22.050619][  T384] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.050814][  T384] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   22.051012][  T384] FS:  00007fa40b6b4840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   22.051252][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.051422][  T384] CR2: 00007ff6b97de000 CR3: 000000000f33b001 CR4: 0000000000771ef0
[   22.051622][  T384] PKRU: 55555554
[   22.051721][  T384] Call Trace:
[   22.051820][  T384]  <TASK>
[   22.051889][  T384]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.052023][  T384]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.052132][  T384]  __dev_notify_flags (net/core/dev.c:9787)
[   22.052269][  T384]  ? netif_change_name (net/core/dev.c:1495)
[   22.052403][  T384]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   22.052542][  T384]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.052677][  T384]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.052811][  T384]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.052944][  T384]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.053078][  T384]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.053217][  T384]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.053355][  T384]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.053497][  T384]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.053630][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.053762][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.053895][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.054026][  T384]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.054163][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.054301][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.054440][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.054573][  T384]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.054707][  T384]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.054840][  T384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.054971][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.055106][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.055244][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.055377][  T384]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.055515][  T384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.055648][  T384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.055784][  T384]  ? 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))
[   22.055917][  T384]  ? 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))
[   22.056052][  T384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.056193][  T384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.056327][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.056466][  T384]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.056602][  T384]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.056736][  T384]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.056969][  T384]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.057102][  T384]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.057239][  T384]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.057411][  T384]  ? move_addr_to_kernel (net/socket.c:258)
[   22.057547][  T384]  ___sys_sendmsg (net/socket.c:2752)
[   22.057678][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.057810][  T384]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.057951][  T384]  ? 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))
[   22.058084][  T384]  __sys_sendmsg (net/socket.c:2784)
[   22.058220][  T384]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.058358][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.058498][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.058631][  T384]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.058800][  T384]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.058952][  T384]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.059082][  T384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.059251][  T384] RIP: 0033:0x7fa40b8ee08e
[   22.059390][  T384] 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
[   22.059970][  T384] RSP: 002b:00007ffcd55899a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.060178][  T384] RAX: ffffffffffffffda RBX: 00007ffcd558a138 RCX: 00007fa40b8ee08e
[   22.060376][  T384] RDX: 0000000000000000 RSI: 00007ffcd5589a50 RDI: 0000000000000005
[   22.060580][  T384] RBP: 00007ffcd55899b0 R08: 0000000000000000 R09: 0000000000000000
[   22.060778][  T384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.060975][  T384] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd558a110
| [   22.106896][  T385] ------------[ cut here ]------------
| [   22.107087][  T385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/385
| [   22.108376][  T385] Modules linked in:
| [   22.109047][  T385] Tainted: [W]=WARN
[   22.109290][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.109576][  T385] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.109889][  T385] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.110514][  T385] RSP: 0018:ffa00000011a7020 EFLAGS: 00010286
[   22.110818][  T385] RAX: 00000000ffffffa6 RBX: ff1100000979da80 RCX: 1ff4000000234dca
[   22.111090][  T385] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979db3c
[   22.111344][  T385] RBP: ff11000008fc1000 R08: 1fe22000012f3b69 R09: ff11000004f1d158
[   22.111597][  T385] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   22.111838][  T385] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.112081][  T385] FS:  00007f7c6df2b840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   22.112371][  T385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.112590][  T385] CR2: 0000000006abb988 CR3: 0000000004dd0006 CR4: 0000000000771ef0
[   22.112832][  T385] PKRU: 55555554
[   22.112979][  T385] Call Trace:
[   22.113136][  T385]  <TASK>
[   22.113251][  T385]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.113445][  T385]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.113609][  T385]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.113788][  T385]  __dev_notify_flags (net/core/dev.c:9787)
[   22.113971][  T385]  ? netif_change_name (net/core/dev.c:1495)
[   22.114164][  T385]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.114345][  T385]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.114537][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.114720][  T385]  ? 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))
[   22.114904][  T385]  netif_change_flags (net/core/dev.c:9820)
[   22.115088][  T385]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.115279][  T385]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.115471][  T385]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.115653][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.115867][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.116050][  T385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.116241][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.116428][  T385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.116670][  T385]  ? __kernel_text_address (kernel/extable.c:79)
[   22.116929][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.117205][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.117467][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.117731][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.117987][  T385]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.118258][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.118527][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.118791][  T385]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.119051][  T385]  ? __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)
[   22.119321][  T385]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.119590][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.119855][  T385]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.120134][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.120400][  T385]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.120669][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.120921][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.121194][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.121458][  T385]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.121719][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.121986][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.122258][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.122530][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.122789][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.123051][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.123323][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.123594][  T385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.123852][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.124109][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.124385][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.124648][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.124907][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.125178][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.125445][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.125712][  T385]  ? 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))
[   22.125971][  T385]  ? 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))
[   22.126247][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.126516][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.126775][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.127034][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.127308][  T385]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.127581][  T385]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.127844][  T385]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.128105][  T385]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.128375][  T385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.128688][  T385]  ? move_addr_to_kernel (net/socket.c:258)
[   22.128950][  T385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.129222][  T385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.129491][  T385]  ___sys_sendmsg (net/socket.c:2752)
[   22.129750][  T385]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.130057][  T385]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.130291][  T385]  __sys_sendmsg (net/socket.c:2784)
[   22.130484][  T385]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.130663][  T385]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.130878][  T385]  ? 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)
[   22.131059][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.131253][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.131446][  T385]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.131627][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.131807][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.132021][  T385] RIP: 0033:0x7f7c6e16508e
[   22.132222][  T385] 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
[   22.132748][  T385] RSP: 002b:00007ffd03b79720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.132995][  T385] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c6e16508e
[   22.133255][  T385] RDX: 0000000000000000 RSI: 00007ffd03b797d0 RDI: 0000000000000005
[   22.133598][  T385] RBP: 00007ffd03b79730 R08: 0000000000000000 R09: 0000000000000000
[   22.133846][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.134087][  T385] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd03b79e90
| [   22.221306][  T386] ------------[ cut here ]------------
| [   22.221469][  T386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/386
| [   22.221699][  T386] Modules linked in:
| [   22.222072][  T386] Tainted: [W]=WARN
[   22.222183][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.222346][  T386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.222519][  T386] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.222977][  T386] RSP: 0018:ffa00000011a6ff8 EFLAGS: 00010286
[   22.223146][  T386] RAX: 00000000ffffffa6 RBX: ff110000091bd8c0 RCX: 1ff4000000234dc5
[   22.223346][  T386] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bd97c
[   22.223545][  T386] RBP: ff1100000fda4000 R08: 1fe2200001237b31 R09: ff11000004f1ae58
[   22.223738][  T386] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.223929][  T386] R13: 0000000000000000 R14: ffa00000011a7140 R15: ff1100000f583850
[   22.224134][  T386] FS:  00007f6407050840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.224359][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.224529][  T386] CR2: 00007f64073201a0 CR3: 000000001028b006 CR4: 0000000000771ef0
[   22.224722][  T386] PKRU: 55555554
[   22.224820][  T386] Call Trace:
[   22.224916][  T386]  <TASK>
[   22.224985][  T386]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   22.225123][  T386]  __dev_change_net_namespace (net/core/dev.c:12635)
[   22.225288][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.225421][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.225553][  T386]  ? default_device_exit_batch (net/core/dev.c:13091)
[   22.225713][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.225841][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.225970][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.226098][  T386]  ? 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))
[   22.226235][  T386]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.226368][  T386]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   22.226505][  T386]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.226635][  T386]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.226794][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.226923][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.227051][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.227185][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.227318][  T386]  ? __kernel_text_address (kernel/extable.c:79)
[   22.227452][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.227584][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.227712][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.227841][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.227969][  T386]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.228096][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.228230][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.228358][  T386]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.228495][  T386]  ? __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)
[   22.228624][  T386]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.228752][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.228881][  T386]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.229012][  T386]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.229151][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.229285][  T386]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.229421][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.229548][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.229676][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.229804][  T386]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.229931][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.230061][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.230255][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.230436][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.230565][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.230694][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.230823][  T386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.230952][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.231081][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.231221][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.231353][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.231486][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.231615][  T386]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.231744][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.231872][  T386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.232004][  T386]  ? 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))
[   22.232137][  T386]  ? 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))
[   22.232268][  T386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.232399][  T386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.232535][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.232665][  T386]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.232795][  T386]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.232924][  T386]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.233055][  T386]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.233190][  T386]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.233320][  T386]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.233482][  T386]  ? move_addr_to_kernel (net/socket.c:258)
[   22.233618][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.233746][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.233876][  T386]  ___sys_sendmsg (net/socket.c:2752)
[   22.234015][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.234182][  T386]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.234323][  T386]  __sys_sendmsg (net/socket.c:2784)
[   22.234454][  T386]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.234582][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.234742][  T386]  ? 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)
[   22.234871][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.235000][  T386]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.235131][  T386]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.235264][  T386]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.235393][  T386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.235561][  T386] RIP: 0033:0x7f640728a08e
[   22.235696][  T386] 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
[   22.236160][  T386] RSP: 002b:00007fffb2249f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.236356][  T386] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f640728a08e
[   22.236553][  T386] RDX: 0000000000000000 RSI: 00007fffb224a040 RDI: 0000000000000005
[   22.236745][  T386] RBP: 00007fffb2249fa0 R08: 0000000000000000 R09: 0000000000000000
[   22.236938][  T386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.237132][  T386] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb224a700
| [   22.239827][  T386] ------------[ cut here ]------------
| [   22.239960][  T386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/386
| [   22.240689][  T386] Modules linked in:
| [   22.241175][  T386] Tainted: [W]=WARN
[   22.241274][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.241445][  T386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.241614][  T386] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.242075][  T386] RSP: 0018:ffa00000011a6fc0 EFLAGS: 00010286
[   22.242297][  T386] RAX: 00000000ffffffa6 RBX: ff110000091bc900 RCX: 1ff4000000234dbe
[   22.242500][  T386] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bc9bc
[   22.242700][  T386] RBP: ff1100000fda4000 R08: 1fe2200001237939 R09: ff11000004f1ae58
[   22.242894][  T386] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.243087][  T386] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f583850
[   22.243340][  T386] FS:  00007f6407050840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.243571][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.243734][  T386] CR2: 00007f64073201a0 CR3: 000000001028b006 CR4: 0000000000771ef0
[   22.243929][  T386] PKRU: 55555554
[   22.244027][  T386] Call Trace:
[   22.244177][  T386]  <TASK>
[   22.244247][  T386]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.244378][  T386]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.244515][  T386]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.244614][  T386]  __dev_change_net_namespace (net/core/dev.c:12695)
[   22.244776][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.244938][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.245228][  T386]  ? default_device_exit_batch (net/core/dev.c:13091)
[   22.245397][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.245533][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.245662][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.245794][  T386]  ? 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))
[   22.245926][  T386]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.246061][  T386]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   22.246250][  T386]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.246382][  T386]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.246547][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.246678][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.246808][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.246938][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.247069][  T386]  ? __kernel_text_address (kernel/extable.c:79)
[   22.247257][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.247394][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.247530][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.247662][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.247792][  T386]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.247922][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.248050][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.248235][  T386]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.248367][  T386]  ? __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)
[   22.248503][  T386]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.248642][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.248774][  T386]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.248904][  T386]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.249037][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.249226][  T386]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.249359][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.249496][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.249626][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.249755][  T386]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.249885][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.250018][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.250201][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.250333][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.250473][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.250603][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.250734][  T386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.250866][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.250995][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.251180][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.251313][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.251449][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.251582][  T386]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.251712][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.251842][  T386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.251974][  T386]  ? 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))
[   22.252103][  T386]  ? 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))
[   22.252289][  T386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.252424][  T386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.252556][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.252686][  T386]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.252816][  T386]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.252947][  T386]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.253078][  T386]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.253264][  T386]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.253394][  T386]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.253560][  T386]  ? move_addr_to_kernel (net/socket.c:258)
[   22.253693][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.253823][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.253955][  T386]  ___sys_sendmsg (net/socket.c:2752)
[   22.254085][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.254304][  T386]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.254452][  T386]  __sys_sendmsg (net/socket.c:2784)
[   22.254582][  T386]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.254713][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.254878][  T386]  ? 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)
[   22.255008][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.255193][  T386]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.255323][  T386]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.255459][  T386]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.255590][  T386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.255754][  T386] RIP: 0033:0x7f640728a08e
[   22.255891][  T386] 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
[   22.256418][  T386] RSP: 002b:00007fffb2249f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.256615][  T386] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f640728a08e
[   22.256810][  T386] RDX: 0000000000000000 RSI: 00007fffb224a040 RDI: 0000000000000005
[   22.257003][  T386] RBP: 00007fffb2249fa0 R08: 0000000000000000 R09: 0000000000000000
[   22.257206][  T386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.257401][  T386] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb224a700
| [   22.266465][  T386] ------------[ cut here ]------------
| [   22.266647][  T386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/386
| [   22.266928][  T386] Modules linked in:
| [   22.267396][  T386] Tainted: [W]=WARN
[   22.267557][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.267765][  T386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.267986][  T386] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.268517][  T386] RSP: 0018:ffa00000011a7038 EFLAGS: 00010286
[   22.268728][  T386] RAX: 00000000ffffffa6 RBX: ff110000091bc040 RCX: 1ff4000000234dcd
[   22.268967][  T386] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bc0fc
[   22.269222][  T386] RBP: ff1100000fda4000 R08: 1fe2200001237821 R09: ff11000004f1ae58
[   22.269470][  T386] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   22.269711][  T386] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   22.269951][  T386] FS:  00007f6407050840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   22.270237][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.270455][  T386] CR2: 00007ffcaed98fc0 CR3: 000000001028b004 CR4: 0000000000771ef0
[   22.270697][  T386] PKRU: 55555554
[   22.270842][  T386] Call Trace:
[   22.270986][  T386]  <TASK>
[   22.271101][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.271291][  T386]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   22.271484][  T386]  notifier_call_chain (kernel/notifier.c:85)
[   22.271666][  T386]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   22.271844][  T386]  ? default_device_exit_batch (net/core/dev.c:13091)
[   22.272054][  T386]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   22.272274][  T386]  ? 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))
[   22.272462][  T386]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.272644][  T386]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   22.272829][  T386]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.273007][  T386]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.273228][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.273413][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.273590][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.273765][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.273944][  T386]  ? __kernel_text_address (kernel/extable.c:79)
[   22.274135][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.274313][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.274500][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.274679][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.274854][  T386]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.275028][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.275217][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.275397][  T386]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.275584][  T386]  ? __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)
[   22.275759][  T386]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.275937][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.276129][  T386]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.276304][  T386]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.276488][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.276668][  T386]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.276852][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.277026][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.277216][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.277391][  T386]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.277575][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.277755][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.277928][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.278107][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.278296][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.278481][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.278658][  T386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.278835][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.279011][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.279200][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.279377][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.279561][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.279739][  T386]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.279914][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.280089][  T386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.280296][  T386]  ? 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))
[   22.280479][  T386]  ? 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))
[   22.280657][  T386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.280836][  T386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.281012][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.281201][  T386]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.281379][  T386]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.281565][  T386]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.281743][  T386]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.281919][  T386]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.282094][  T386]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.282317][  T386]  ? move_addr_to_kernel (net/socket.c:258)
[   22.282504][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.282681][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.282858][  T386]  ___sys_sendmsg (net/socket.c:2752)
[   22.283033][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.283253][  T386]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.283450][  T386]  __sys_sendmsg (net/socket.c:2784)
[   22.283630][  T386]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.283804][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.284016][  T386]  ? 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)
[   22.284207][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.284386][  T386]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.284570][  T386]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.284746][  T386]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.284926][  T386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.285146][  T386] RIP: 0033:0x7f640728a08e
[   22.285328][  T386] 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
[   22.285838][  T386] RSP: 002b:00007fffb2249f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.286082][  T386] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f640728a08e
[   22.286330][  T386] RDX: 0000000000000000 RSI: 00007fffb224a040 RDI: 0000000000000005
[   22.286578][  T386] RBP: 00007fffb2249fa0 R08: 0000000000000000 R09: 0000000000000000
[   22.286817][  T386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.287058][  T386] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb224a700
| [   22.329562][  T387] ------------[ cut here ]------------
| [   22.329709][  T387] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/387
| [   22.329934][  T387] Modules linked in:
| [   22.330303][  T387] Tainted: [W]=WARN
[   22.330401][  T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.330570][  T387] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.330742][  T387] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.331208][  T387] RSP: 0018:ffa00000011b7020 EFLAGS: 00010286
[   22.331370][  T387] RAX: 00000000ffffffa6 RBX: ff110000053f0900 RCX: 1ff4000000236dca
[   22.331571][  T387] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f09bc
[   22.331761][  T387] RBP: ff1100000fda4000 R08: 1fe2200000a7e139 R09: ff11000004f18b58
[   22.331954][  T387] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   22.332151][  T387] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.332346][  T387] FS:  00007f616182a840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.332576][  T387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.332739][  T387] CR2: 000000000d83d988 CR3: 00000000104ee004 CR4: 0000000000771ef0
[   22.332933][  T387] PKRU: 55555554
[   22.333028][  T387] Call Trace:
[   22.333130][  T387]  <TASK>
[   22.333198][  T387]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.333329][  T387]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.333432][  T387]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.333560][  T387]  __dev_notify_flags (net/core/dev.c:9787)
[   22.333690][  T387]  ? netif_change_name (net/core/dev.c:1495)
[   22.333820][  T387]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.333950][  T387]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.334079][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.334216][  T387]  ? 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))
[   22.334347][  T387]  netif_change_flags (net/core/dev.c:9820)
[   22.334481][  T387]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.334610][  T387]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.334742][  T387]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.334873][  T387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.335033][  T387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.335231][  T387]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.335361][  T387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.335495][  T387]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.335623][  T387]  ? __kernel_text_address (kernel/extable.c:79)
[   22.335753][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.335884][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.336013][  T387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.336241][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.336371][  T387]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.336504][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.336632][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.336761][  T387]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.336890][  T387]  ? __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)
[   22.337019][  T387]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.337223][  T387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.337433][  T387]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.337565][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.337696][  T387]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.337826][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.337954][  T387]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.338082][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.338297][  T387]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.338430][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.338561][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.338688][  T387]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.338816][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.338945][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.339075][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.339251][  T387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.339380][  T387]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.339513][  T387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.339640][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.339770][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.339897][  T387]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.340026][  T387]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.340160][  T387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.340289][  T387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.340423][  T387]  ? 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))
[   22.340552][  T387]  ? 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))
[   22.340683][  T387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.340813][  T387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.340941][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.341071][  T387]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.341206][  T387]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.341337][  T387]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.341472][  T387]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.341601][  T387]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.341730][  T387]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.341889][  T387]  ? move_addr_to_kernel (net/socket.c:258)
[   22.342018][  T387]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.342155][  T387]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.342286][  T387]  ___sys_sendmsg (net/socket.c:2752)
[   22.342419][  T387]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.342579][  T387]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.342720][  T387]  __sys_sendmsg (net/socket.c:2784)
[   22.342851][  T387]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.342978][  T387]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.343146][  T387]  ? 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)
[   22.343277][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.343411][  T387]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.343539][  T387]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.343667][  T387]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.343796][  T387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.343968][  T387] RIP: 0033:0x7f6161a6408e
[   22.344102][  T387] 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
[   22.344572][  T387] RSP: 002b:00007ffc6c1b75b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.344768][  T387] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6161a6408e
[   22.344962][  T387] RDX: 0000000000000000 RSI: 00007ffc6c1b7660 RDI: 0000000000000005
[   22.345161][  T387] RBP: 00007ffc6c1b75c0 R08: 0000000000000000 R09: 0000000000000000
[   22.345353][  T387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.345551][  T387] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6c1b7d20
| [   22.347520][   T39] ------------[ cut here ]------------
| [   22.347651][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   22.347888][   T39] Modules linked in:
| [   22.348268][   T39] Tainted: [W]=WARN
[   22.348358][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.348510][   T39] Workqueue: events_unbound linkwatch_event
[   22.348665][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.348819][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.349264][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   22.349420][   T39] RAX: 00000000ffffffa6 RBX: ff1100000da34040 RCX: 1ff4000000057f02
[   22.349600][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da340fc
[   22.349781][   T39] RBP: ff1100000fda4000 R08: 1fe2200001b46821 R09: ff11000001da51a8
[   22.349960][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   22.350146][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.350326][   T39] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   22.350542][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.350691][   T39] CR2: 000055d19c51fd5c CR3: 0000000010162005 CR4: 0000000000771ef0
[   22.350868][   T39] PKRU: 55555554
[   22.350957][   T39] Call Trace:
[   22.351047][   T39]  <TASK>
[   22.351110][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.351236][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.351363][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.351460][   T39]  netif_state_change (net/core/dev.c:1605)
[   22.351583][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.351735][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.351853][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.351975][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.352097][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.352220][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   22.352342][   T39]  process_one_work (kernel/workqueue.c:3314)
[   22.352471][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.352591][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.352720][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.352844][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.352962][   T39]  kthread (kernel/kthread.c:436)
[   22.353052][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.353208][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.353327][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.353451][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.353599][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.353719][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.353837][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.355589][   T39] ------------[ cut here ]------------
| [   22.355754][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   22.356039][   T39] Modules linked in:
| [   22.356520][   T39] Tainted: [W]=WARN
[   22.356655][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.356849][   T39] Workqueue: events_unbound linkwatch_event
[   22.357048][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.357263][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.357733][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   22.357930][   T39] RAX: 00000000ffffffa6 RBX: ff1100000a095a80 RCX: 1ff4000000057f02
[   22.358183][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a095b3c
[   22.358413][   T39] RBP: ff11000008fc1000 R08: 1fe2200001412b69 R09: ff11000001da51a8
[   22.358637][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   22.358859][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.359085][   T39] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   22.359353][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.359559][   T39] CR2: 00007f64072db2a0 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   22.359784][   T39] PKRU: 55555554
[   22.359919][   T39] Call Trace:
[   22.360056][   T39]  <TASK>
[   22.360179][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.360358][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.360538][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.360679][   T39]  netif_state_change (net/core/dev.c:1605)
[   22.360846][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.361045][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.361224][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.361391][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.361565][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.361732][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   22.361901][   T39]  process_one_work (kernel/workqueue.c:3314)
[   22.362073][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.362256][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.362433][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.362605][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.362771][   T39]  kthread (kernel/kthread.c:436)
[   22.362908][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.363102][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.363283][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.363454][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.363652][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.363819][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.363987][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.488184][  T390] ------------[ cut here ]------------
| [   22.488348][  T390] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/390
| [   22.488599][  T390] Modules linked in:
| [   22.488987][  T390] Tainted: [W]=WARN
[   22.489091][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.489269][  T390] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.489456][  T390] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.489943][  T390] RSP: 0018:ffa00000011e6f40 EFLAGS: 00010286
[   22.490114][  T390] RAX: 00000000ffffffa6 RBX: ff110000092591c0 RCX: 1ff400000023cdae
[   22.490323][  T390] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925927c
[   22.490533][  T390] RBP: ff11000008fc1000 R08: 1fe220000124b251 R09: ff110000021fd158
[   22.490732][  T390] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   22.490933][  T390] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   22.491144][  T390] FS:  00007fdaf722e840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.491385][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.491562][  T390] CR2: 00000000004eba88 CR3: 000000001095f004 CR4: 0000000000771ef0
[   22.491765][  T390] PKRU: 55555554
[   22.491866][  T390] Call Trace:
[   22.491968][  T390]  <TASK>
[   22.492039][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.492185][  T390]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   22.492321][  T390]  notifier_call_chain (kernel/notifier.c:85)
[   22.492470][  T390]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   22.492608][  T390]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   22.492745][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.492881][  T390]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.493016][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.493155][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.493291][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.493433][  T390]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   22.493571][  T390]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   22.493709][  T390]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   22.493846][  T390]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.493982][  T390]  do_set_master (net/core/rtnetlink.c:3011)
[   22.494122][  T390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.494259][  T390]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   22.494395][  T390]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.494542][  T390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.494712][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.494846][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.494981][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.495115][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.495267][  T390]  ? __kernel_text_address (kernel/extable.c:79)
[   22.495412][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.495551][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.495687][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.495824][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.495961][  T390]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.496098][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.496239][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.496374][  T390]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.496521][  T390]  ? __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)
[   22.496658][  T390]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.496793][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.496930][  T390]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.497065][  T390]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.497211][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.497352][  T390]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.497498][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.497632][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.497766][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.497901][  T390]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.498036][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.498182][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.498317][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.498457][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.498594][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.498731][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.498867][  T390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.499005][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.499144][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.499278][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.499420][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.499554][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.499688][  T390]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.499823][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.499958][  T390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.500098][  T390]  ? 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))
[   22.500237][  T390]  ? 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))
[   22.500373][  T390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.500516][  T390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.500651][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.500787][  T390]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.500925][  T390]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.501065][  T390]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.501209][  T390]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.501346][  T390]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.501491][  T390]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.501700][  T390]  ? move_addr_to_kernel (net/socket.c:258)
[   22.501864][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.502022][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.502239][  T390]  ___sys_sendmsg (net/socket.c:2752)
[   22.502458][  T390]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.502720][  T390]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.502955][  T390]  __sys_sendmsg (net/socket.c:2784)
[   22.503171][  T390]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.503370][  T390]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.503568][  T390]  ? 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)
[   22.503705][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.503841][  T390]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.503975][  T390]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.504109][  T390]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.504249][  T390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.504422][  T390] RIP: 0033:0x7fdaf746808e
[   22.504567][  T390] 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
[   22.505047][  T390] RSP: 002b:00007fffc8821900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.505254][  T390] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdaf746808e
[   22.505457][  T390] RDX: 0000000000000000 RSI: 00007fffc88219b0 RDI: 0000000000000005
[   22.505657][  T390] RBP: 00007fffc8821910 R08: 0000000000000000 R09: 0000000000000000
[   22.505856][  T390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.506055][  T390] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc8822080
| [   22.509401][  T390] ------------[ cut here ]------------
| [   22.509551][  T390] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/390
| [   22.509790][  T390] Modules linked in:
| [   22.510190][  T390] Tainted: [W]=WARN
[   22.510298][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.510477][  T390] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.510657][  T390] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.511160][  T390] RSP: 0018:ffa00000011e6f60 EFLAGS: 00010286
[   22.511337][  T390] RAX: 00000000ffffffa6 RBX: ff1100000de98580 RCX: 1ff400000023cdb2
[   22.511552][  T390] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de9863c
[   22.511756][  T390] RBP: ff11000008fc1000 R08: 1fe2200001bd30c9 R09: ff110000021fd158
[   22.511964][  T390] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   22.512174][  T390] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e63e6e0
[   22.512391][  T390] FS:  00007fdaf722e840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.512637][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.512813][  T390] CR2: 00000000004eba88 CR3: 000000001095f004 CR4: 0000000000771ef0
[   22.513064][  T390] PKRU: 55555554
[   22.513237][  T390] Call Trace:
[   22.513399][  T390]  <TASK>
[   22.513519][  T390]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.513736][  T390]  ? __dev_close_many (net/core/dev.c:1779)
[   22.513952][  T390]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.514123][  T390]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.514320][  T390]  __dev_notify_flags (net/core/dev.c:9787)
[   22.514469][  T390]  ? netif_change_name (net/core/dev.c:1495)
[   22.514606][  T390]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   22.514744][  T390]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.514882][  T390]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.515021][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.515163][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.515302][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.515461][  T390]  netif_change_flags (net/core/dev.c:9820)
[   22.515600][  T390]  dev_change_flags (net/core/dev_api.c:68)
[   22.515739][  T390]  cycle_netdev (drivers/net/vrf.c:1001)
[   22.515844][  T390]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   22.515981][  T390]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.516124][  T390]  do_set_master (net/core/rtnetlink.c:3011)
[   22.516269][  T390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.516414][  T390]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   22.516562][  T390]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.516701][  T390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.516872][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.517008][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.517150][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.517287][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.517432][  T390]  ? __kernel_text_address (kernel/extable.c:79)
[   22.517570][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.517708][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.517845][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.517985][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.518127][  T390]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.518266][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.518411][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.518551][  T390]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.518691][  T390]  ? __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)
[   22.518829][  T390]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.518968][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.519108][  T390]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.519252][  T390]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.519393][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.519545][  T390]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.519686][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.519823][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.519961][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.520099][  T390]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.520241][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.520381][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.520523][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.520660][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.520892][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.521029][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.521174][  T390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.521311][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.521553][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.521690][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.521830][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.521970][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.522204][  T390]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.522343][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.522486][  T390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.522628][  T390]  ? 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))
[   22.522857][  T390]  ? 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))
[   22.522996][  T390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.523145][  T390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.523347][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.523707][  T390]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.523922][  T390]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.524108][  T390]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.524356][  T390]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.524503][  T390]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.524641][  T390]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.524816][  T390]  ? move_addr_to_kernel (net/socket.c:258)
[   22.525048][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.525193][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.525334][  T390]  ___sys_sendmsg (net/socket.c:2752)
[   22.525478][  T390]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.525741][  T390]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.525895][  T390]  __sys_sendmsg (net/socket.c:2784)
[   22.526034][  T390]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.526178][  T390]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.526453][  T390]  ? 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)
[   22.526593][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.526731][  T390]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.526869][  T390]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.527097][  T390]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.527244][  T390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.527421][  T390] RIP: 0033:0x7fdaf746808e
[   22.527569][  T390] 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
[   22.528164][  T390] RSP: 002b:00007fffc8821900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.528475][  T390] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdaf746808e
[   22.528682][  T390] RDX: 0000000000000000 RSI: 00007fffc88219b0 RDI: 0000000000000005
[   22.528886][  T390] RBP: 00007fffc8821910 R08: 0000000000000000 R09: 0000000000000000
[   22.529192][  T390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.529402][  T390] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc8822080
| [   22.531600][  T390] ------------[ cut here ]------------
| [   22.531825][  T390] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/390
| [   22.532066][  T390] Modules linked in:
| [   22.532571][  T390] Tainted: [W]=WARN
[   22.532725][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.532988][  T390] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.534358][  T390] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.534878][  T390] RSP: 0018:ffa00000011e6f60 EFLAGS: 00010286
[   22.535053][  T390] RAX: 00000000ffffffa6 RBX: ff1100000de98040 RCX: 1ff400000023cdb2
[   22.535327][  T390] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de980fc
[   22.535601][  T390] RBP: ff11000008fc1000 R08: 1fe2200001bd3021 R09: ff110000021fd158
[   22.535806][  T390] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   22.536011][  T390] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e63e6e0
[   22.536295][  T390] FS:  00007fdaf722e840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.536545][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.536753][  T390] CR2: 00000000004eba88 CR3: 000000001095f004 CR4: 0000000000771ef0
[   22.537061][  T390] PKRU: 55555554
[   22.537326][  T390] Call Trace:
[   22.537488][  T390]  <TASK>
[   22.537578][  T390]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.537721][  T390]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.537826][  T390]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.537967][  T390]  __dev_notify_flags (net/core/dev.c:9787)
[   22.538108][  T390]  ? netif_change_name (net/core/dev.c:1495)
[   22.538315][  T390]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.538459][  T390]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.538604][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.538745][  T390]  netif_change_flags (net/core/dev.c:9820)
[   22.538885][  T390]  dev_change_flags (net/core/dev_api.c:68)
[   22.539027][  T390]  cycle_netdev (drivers/net/vrf.c:1003)
[   22.539193][  T390]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   22.539334][  T390]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.539479][  T390]  do_set_master (net/core/rtnetlink.c:3011)
[   22.539618][  T390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.539760][  T390]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   22.539902][  T390]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.540043][  T390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.540278][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.540427][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.540567][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.540705][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.540847][  T390]  ? __kernel_text_address (kernel/extable.c:79)
[   22.541081][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.541283][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.541428][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.541567][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.541707][  T390]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.541845][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.541984][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.542282][  T390]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.542426][  T390]  ? __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)
[   22.542568][  T390]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.542705][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.542846][  T390]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.542996][  T390]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.543300][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.543509][  T390]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.543667][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.543805][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.543941][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.544079][  T390]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.544500][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.544659][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.544797][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.544938][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.545077][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.545278][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.545424][  T390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.545561][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.545699][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.545837][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.546070][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.546271][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.546416][  T390]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.546553][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.546690][  T390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.546833][  T390]  ? 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))
[   22.547062][  T390]  ? 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))
[   22.547259][  T390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.547400][  T390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.547543][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.547682][  T390]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.547821][  T390]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.547959][  T390]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.548255][  T390]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.548394][  T390]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.548538][  T390]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.548716][  T390]  ? move_addr_to_kernel (net/socket.c:258)
[   22.548854][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.548993][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.549284][  T390]  ___sys_sendmsg (net/socket.c:2752)
[   22.549431][  T390]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.549605][  T390]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.549757][  T390]  __sys_sendmsg (net/socket.c:2784)
[   22.549896][  T390]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.550033][  T390]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.550268][  T390]  ? 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)
[   22.550411][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.550551][  T390]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.550688][  T390]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.550826][  T390]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.550966][  T390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.551291][  T390] RIP: 0033:0x7fdaf746808e
[   22.551446][  T390] 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
[   22.551939][  T390] RSP: 002b:00007fffc8821900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.552213][  T390] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdaf746808e
[   22.552424][  T390] RDX: 0000000000000000 RSI: 00007fffc88219b0 RDI: 0000000000000005
[   22.552630][  T390] RBP: 00007fffc8821910 R08: 0000000000000000 R09: 0000000000000000
[   22.552835][  T390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.553041][  T390] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc8822080
| [   22.565542][   T39] ------------[ cut here ]------------
| [   22.565683][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   22.565921][   T39] Modules linked in:
| [   22.566305][   T39] Tainted: [W]=WARN
[   22.566397][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.566553][   T39] Workqueue: events_unbound linkwatch_event
[   22.566707][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.566863][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.567305][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   22.567465][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c0da040 RCX: 1ff4000000057f02
[   22.567642][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0da0fc
[   22.567822][   T39] RBP: ff11000008fc1000 R08: 1fe220000181b421 R09: ff11000001da51a8
[   22.567998][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   22.568195][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.568376][   T39] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   22.568593][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.568746][   T39] CR2: 00007f866943a574 CR3: 000000001095f004 CR4: 0000000000771ef0
[   22.568927][   T39] PKRU: 55555554
[   22.569016][   T39] Call Trace:
[   22.569105][   T39]  <TASK>
[   22.569175][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.569298][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.569431][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.569524][   T39]  netif_state_change (net/core/dev.c:1605)
[   22.569645][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.569796][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.569915][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.570037][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.570165][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.570286][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   22.570415][   T39]  process_one_work (kernel/workqueue.c:3314)
[   22.570541][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.570660][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.570785][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.570909][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.571029][   T39]  kthread (kernel/kthread.c:436)
[   22.571125][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.571276][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.571396][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.571531][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.571679][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.571804][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.571924][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.573775][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   22.574030][   T39] Modules linked in:
| [   22.574414][  T390] ip (390) used greatest stack depth: 23656 bytes left
| [   22.574426][   T39] Tainted: [W]=WARN
[   22.574658][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.574808][   T39] Workqueue: events_unbound linkwatch_event
[   22.574963][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.575127][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.575572][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   22.575722][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c0da580 RCX: 1ff4000000057f02
[   22.575916][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0da63c
[   22.576096][   T39] RBP: ff1100000fda4000 R08: 1fe220000181b4c9 R09: ff11000001da51a8
[   22.576289][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   22.576474][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.576655][   T39] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   22.576865][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.577014][   T39] CR2: 00007f866943a574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   22.577197][   T39] PKRU: 55555554
[   22.577285][   T39] Call Trace:
[   22.577375][   T39]  <TASK>
[   22.577449][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.577571][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.577690][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.577781][   T39]  netif_state_change (net/core/dev.c:1605)
[   22.577901][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.578051][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.578175][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.578294][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.578422][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.578543][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   22.578663][   T39]  process_one_work (kernel/workqueue.c:3314)
[   22.578786][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.578906][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.579030][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.579157][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.579280][   T39]  kthread (kernel/kthread.c:436)
[   22.579369][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.579522][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.579641][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.579759][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.579905][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.580024][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.580149][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.656674][  T393] ------------[ cut here ]------------
| [   22.656832][  T393] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/393
| [   22.657070][  T393] Modules linked in:
| [   22.657686][  T393] Tainted: [W]=WARN
[   22.657788][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.657960][  T393] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.658145][  T393] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.658634][  T393] RSP: 0018:ffa0000001206e30 EFLAGS: 00010286
[   22.658804][  T393] RAX: 00000000ffffffa6 RBX: ff1100000c2d83c0 RCX: 1ff4000000240d8c
[   22.659007][  T393] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d847c
[   22.659217][  T393] RBP: ff1100000a08c000 R08: 1fe220000185b091 R09: ff11000009c15180
[   22.659433][  T393] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.659635][  T393] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009727880
[   22.659837][  T393] FS:  00007f03c5c20840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.660075][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.660252][  T393] CR2: 000000000042ebe0 CR3: 0000000010984003 CR4: 0000000000771ef0
[   22.660458][  T393] PKRU: 55555554
[   22.660559][  T393] Call Trace:
[   22.660660][  T393]  <TASK>
[   22.660730][  T393]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.660868][  T393]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.660971][  T393]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   22.661382][  T393]  __dev_notify_flags (net/core/dev.c:9787)
[   22.661526][  T393]  ? netif_change_name (net/core/dev.c:1495)
[   22.661660][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.661795][  T393]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.661930][  T393]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.662067][  T393]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   22.662209][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.662346][  T393]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.662487][  T393]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.662623][  T393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.662758][  T393]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   22.662894][  T393]  veth_newlink (drivers/net/veth.c:1871)
[   22.663031][  T393]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   22.663177][  T393]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.663314][  T393]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.663453][  T393]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.663603][  T393]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   22.663738][  T393]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   22.663873][  T393]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   22.664007][  T393]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.664151][  T393]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   22.664287][  T393]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   22.664429][  T393]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.664564][  T393]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.664699][  T393]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.664839][  T393]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.664980][  T393]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.665125][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.665260][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.665400][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.665541][  T393]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.665676][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.665817][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.665954][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.666090][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.666230][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.666364][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.666503][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.666642][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.666777][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.666912][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.667048][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.667189][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.667328][  T393]  ? 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))
[   22.667468][  T393]  ? 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))
[   22.667607][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.667745][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.667881][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.668018][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.668160][  T393]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.668296][  T393]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.668439][  T393]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.668576][  T393]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.668715][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.668883][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   22.669024][  T393]  ___sys_sendmsg (net/socket.c:2752)
[   22.669163][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.669298][  T393]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.669447][  T393]  ? 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))
[   22.669584][  T393]  __sys_sendmsg (net/socket.c:2784)
[   22.669722][  T393]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.669861][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.669997][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.670137][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.670273][  T393]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.670412][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.670548][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.670719][  T393] RIP: 0033:0x7f03c5e5a08e
[   22.670864][  T393] 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
[   22.671349][  T393] RSP: 002b:00007ffc88149080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.671557][  T393] RAX: ffffffffffffffda RBX: 00007ffc88149818 RCX: 00007f03c5e5a08e
[   22.671761][  T393] RDX: 0000000000000000 RSI: 00007ffc88149130 RDI: 0000000000000005
[   22.671963][  T393] RBP: 00007ffc88149090 R08: 0000000000000000 R09: 0000000000000000
[   22.672172][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.672374][  T393] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc881497f0
| [   22.680592][  T393] ------------[ cut here ]------------
| [   22.680737][  T393] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/393
| [   22.680972][  T393] Modules linked in:
| [   22.681403][  T393] Tainted: [W]=WARN
[   22.681511][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.681678][  T393] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.681911][  T393] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.682453][  T393] RSP: 0018:ffa00000012071b0 EFLAGS: 00010286
[   22.682623][  T393] RAX: 00000000ffffffa6 RBX: ff110000095eb380 RCX: 1ff4000000240dfc
[   22.682823][  T393] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095eb43c
[   22.683025][  T393] RBP: ff1100000f1d1000 R08: 1fe22000012bd689 R09: ff11000009c15180
[   22.683282][  T393] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.683486][  T393] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   22.683688][  T393] FS:  00007f03c5c20840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.683923][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.684090][  T393] CR2: 000000000042ebe0 CR3: 0000000010984003 CR4: 0000000000771ef0
[   22.684349][  T393] PKRU: 55555554
[   22.684454][  T393] Call Trace:
[   22.684553][  T393]  <TASK>
[   22.684623][  T393]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.684759][  T393]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.684862][  T393]  __dev_notify_flags (net/core/dev.c:9787)
[   22.684997][  T393]  ? netif_change_name (net/core/dev.c:1495)
[   22.685186][  T393]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   22.685322][  T393]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.685462][  T393]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.685596][  T393]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.685730][  T393]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.685867][  T393]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.686000][  T393]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.686195][  T393]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.686334][  T393]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.686474][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.686608][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.686740][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.686872][  T393]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.687007][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.687202][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.687337][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.687474][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.687607][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.687739][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.687871][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.688006][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.688198][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.688334][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.688469][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.688602][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.688739][  T393]  ? 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))
[   22.688872][  T393]  ? 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))
[   22.689006][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.689199][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.689335][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.689473][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.689608][  T393]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.689743][  T393]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.689879][  T393]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.690014][  T393]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.690205][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.690373][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   22.690515][  T393]  ___sys_sendmsg (net/socket.c:2752)
[   22.690648][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.690781][  T393]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.690924][  T393]  ? 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))
[   22.691059][  T393]  __sys_sendmsg (net/socket.c:2784)
[   22.691249][  T393]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.691385][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.691523][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.691656][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.691789][  T393]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.691923][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.692056][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.692276][  T393] RIP: 0033:0x7f03c5e5a08e
[   22.692419][  T393] 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
[   22.692893][  T393] RSP: 002b:00007ffc88149080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.693093][  T393] RAX: ffffffffffffffda RBX: 00007ffc88149818 RCX: 00007f03c5e5a08e
[   22.693351][  T393] RDX: 0000000000000000 RSI: 00007ffc88149130 RDI: 0000000000000005
[   22.693554][  T393] RBP: 00007ffc88149090 R08: 0000000000000000 R09: 0000000000000000
[   22.693755][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.693955][  T393] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc881497f0
| [   22.743240][  T394] ------------[ cut here ]------------
| [   22.743434][  T394] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/394
| [   22.743718][  T394] Modules linked in:
| [   22.744880][  T394] Tainted: [W]=WARN
[   22.745061][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.745285][  T394] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.745514][  T394] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.746033][  T394] RSP: 0018:ffa0000001217020 EFLAGS: 00010286
[   22.746256][  T394] RAX: 00000000ffffffa6 RBX: ff110000095ebe00 RCX: 1ff4000000242dca
[   22.746509][  T394] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095ebebc
[   22.746755][  T394] RBP: ff1100000f1d1000 R08: 1fe22000012bd7d9 R09: ff110000021d5158
[   22.747006][  T394] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   22.747260][  T394] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.747512][  T394] FS:  00007f7a6913d840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   22.747793][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.748005][  T394] CR2: 000000001df3c988 CR3: 0000000004cda002 CR4: 0000000000771ef0
[   22.748260][  T394] PKRU: 55555554
[   22.748405][  T394] Call Trace:
[   22.748557][  T394]  <TASK>
[   22.748672][  T394]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.748854][  T394]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.749004][  T394]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.749194][  T394]  __dev_notify_flags (net/core/dev.c:9787)
[   22.749374][  T394]  ? netif_change_name (net/core/dev.c:1495)
[   22.749558][  T394]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.749738][  T394]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.749916][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.750096][  T394]  ? 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))
[   22.750292][  T394]  netif_change_flags (net/core/dev.c:9820)
[   22.750481][  T394]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.750663][  T394]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.750847][  T394]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.751025][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.751249][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.751439][  T394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.751618][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.751795][  T394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.751974][  T394]  ? __kernel_text_address (kernel/extable.c:79)
[   22.752164][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.752345][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.752533][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.752716][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.752895][  T394]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.753072][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.753261][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.753445][  T394]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.753626][  T394]  ? __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)
[   22.753804][  T394]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.753987][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.754181][  T394]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.754363][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.754554][  T394]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.754736][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.754914][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.755092][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.755282][  T394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.755468][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.755655][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.755833][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.756012][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.756200][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.756381][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.756569][  T394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.756750][  T394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.756932][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.757111][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.757304][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.757485][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.757665][  T394]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.757844][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.758024][  T394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.758220][  T394]  ? 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))
[   22.758400][  T394]  ? 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))
[   22.758589][  T394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.758769][  T394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.758948][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.759142][  T394]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.759324][  T394]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.759512][  T394]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.759694][  T394]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.759876][  T394]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.760055][  T394]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.760276][  T394]  ? move_addr_to_kernel (net/socket.c:258)
[   22.760457][  T394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.760637][  T394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.760816][  T394]  ___sys_sendmsg (net/socket.c:2752)
[   22.760993][  T394]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.761220][  T394]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.761418][  T394]  __sys_sendmsg (net/socket.c:2784)
[   22.761598][  T394]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.761774][  T394]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.761988][  T394]  ? 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)
[   22.762181][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.762360][  T394]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.762551][  T394]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.762728][  T394]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.762907][  T394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.763130][  T394] RIP: 0033:0x7f7a6937708e
[   22.763316][  T394] 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
[   22.763837][  T394] RSP: 002b:00007ffdbac0c180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.764080][  T394] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7a6937708e
[   22.764332][  T394] RDX: 0000000000000000 RSI: 00007ffdbac0c230 RDI: 0000000000000005
[   22.764581][  T394] RBP: 00007ffdbac0c190 R08: 0000000000000000 R09: 0000000000000000
[   22.764827][  T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30e
[   22.765068][  T394] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbac0c8f0
| [   22.836395][  T395] ------------[ cut here ]------------
| [   22.836563][  T395] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/395
| [   22.836795][  T395] Modules linked in:
| [   22.837164][  T395] Tainted: [W]=WARN
[   22.837261][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.837425][  T395] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.837597][  T395] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.838049][  T395] RSP: 0018:ffa0000001226ff8 EFLAGS: 00010286
[   22.838231][  T395] RAX: 00000000ffffffa6 RBX: ff1100000c15ce40 RCX: 1ff4000000244dc5
[   22.838433][  T395] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c15cefc
[   22.838621][  T395] RBP: ff1100000a08c000 R08: 1fe220000182b9e1 R09: ff110000021d0b58
[   22.838808][  T395] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.838997][  T395] R13: 0000000000000000 R14: ffa0000001227140 R15: ff1100000b4a4750
[   22.839279][  T395] FS:  00007fe51ec0f840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.839615][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.839855][  T395] CR2: 0000000002b90988 CR3: 00000000106db002 CR4: 0000000000771ef0
[   22.840059][  T395] PKRU: 55555554
[   22.840165][  T395] Call Trace:
[   22.840260][  T395]  <TASK>
[   22.840330][  T395]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   22.840470][  T395]  __dev_change_net_namespace (net/core/dev.c:12635)
[   22.840630][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.840759][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.840888][  T395]  ? default_device_exit_batch (net/core/dev.c:13091)
[   22.841047][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.841181][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.841311][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.841444][  T395]  ? 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))
[   22.841574][  T395]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.841706][  T395]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   22.841835][  T395]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.841962][  T395]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.842128][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.842258][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.842384][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.842513][  T395]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.842640][  T395]  ? __kernel_text_address (kernel/extable.c:79)
[   22.842768][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.842896][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.843024][  T395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.843159][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.843286][  T395]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.843417][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.843544][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.843671][  T395]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.843800][  T395]  ? __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)
[   22.843926][  T395]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.844061][  T395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.844258][  T395]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.844383][  T395]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.844515][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.844644][  T395]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.844771][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.844897][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.845035][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.845169][  T395]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.845298][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.845433][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.845559][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.845684][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.845812][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.845940][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.846067][  T395]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.846202][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.846326][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.846455][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.846583][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.846708][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.846834][  T395]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.846961][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.847088][  T395]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.847224][  T395]  ? 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))
[   22.847349][  T395]  ? 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))
[   22.847485][  T395]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.847616][  T395]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.847744][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.847873][  T395]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.848001][  T395]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.848133][  T395]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.848265][  T395]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.848392][  T395]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.848527][  T395]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.848683][  T395]  ? move_addr_to_kernel (net/socket.c:258)
[   22.848810][  T395]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.848938][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.849067][  T395]  ___sys_sendmsg (net/socket.c:2752)
[   22.849199][  T395]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.849359][  T395]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.849508][  T395]  __sys_sendmsg (net/socket.c:2784)
[   22.849635][  T395]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.849761][  T395]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.849920][  T395]  ? 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)
[   22.850049][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.850182][  T395]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.850308][  T395]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.850443][  T395]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.850570][  T395]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.850728][  T395] RIP: 0033:0x7fe51ee4908e
[   22.850861][  T395] 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
[   22.851484][  T395] RSP: 002b:00007ffd6bc7e4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.851775][  T395] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe51ee4908e
[   22.851979][  T395] RDX: 0000000000000000 RSI: 00007ffd6bc7e580 RDI: 0000000000000005
[   22.852183][  T395] RBP: 00007ffd6bc7e4e0 R08: 0000000000000000 R09: 0000000000000000
[   22.852374][  T395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   22.852572][  T395] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6bc7ec40
| [   22.860927][  T395] ------------[ cut here ]------------
| [   22.861066][  T395] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/395
| [   22.861301][  T395] Modules linked in:
| [   22.861673][  T395] Tainted: [W]=WARN
[   22.861773][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.861936][  T395] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.862104][  T395] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.862582][  T395] RSP: 0018:ffa0000001226fc0 EFLAGS: 00010286
[   22.862745][  T395] RAX: 00000000ffffffa6 RBX: ff1100000c15dc40 RCX: 1ff4000000244dbe
[   22.862941][  T395] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c15dcfc
[   22.863138][  T395] RBP: ff1100000a08c000 R08: 1fe220000182bba1 R09: ff110000021d0b58
[   22.863331][  T395] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.863530][  T395] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4a4750
[   22.863725][  T395] FS:  00007fe51ec0f840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.863949][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.864111][  T395] CR2: 0000000002b90988 CR3: 00000000106db002 CR4: 0000000000771ef0
[   22.864310][  T395] PKRU: 55555554
[   22.864412][  T395] Call Trace:
[   22.864511][  T395]  <TASK>
[   22.864578][  T395]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.864711][  T395]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.864841][  T395]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.864940][  T395]  __dev_change_net_namespace (net/core/dev.c:12695)
[   22.865103][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.865239][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.865369][  T395]  ? default_device_exit_batch (net/core/dev.c:13091)
[   22.865536][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.865678][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.865807][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.865935][  T395]  ? 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))
[   22.866068][  T395]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.866205][  T395]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   22.866335][  T395]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.866521][  T395]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.866693][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.866822][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.866952][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.867081][  T395]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.867220][  T395]  ? __kernel_text_address (kernel/extable.c:79)
[   22.867374][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.867576][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.867768][  T395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.867965][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.868159][  T395]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.868289][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.868423][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.868553][  T395]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.868689][  T395]  ? __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)
[   22.868823][  T395]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.868956][  T395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.869091][  T395]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.869230][  T395]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.869364][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.869502][  T395]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.869634][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.869764][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.869894][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.870022][  T395]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.870156][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.870287][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.870420][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.870549][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.870678][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.870810][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.870941][  T395]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.871071][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.871207][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.871335][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.871471][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.871600][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.871731][  T395]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.871863][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.871993][  T395]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.872131][  T395]  ? 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))
[   22.872263][  T395]  ? 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))
[   22.872394][  T395]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.872543][  T395]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.872673][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.872805][  T395]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.872936][  T395]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.873066][  T395]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.873204][  T395]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.873335][  T395]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.873469][  T395]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.873630][  T395]  ? move_addr_to_kernel (net/socket.c:258)
[   22.873762][  T395]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.873894][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.874023][  T395]  ___sys_sendmsg (net/socket.c:2752)
[   22.874156][  T395]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.874317][  T395]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.874464][  T395]  __sys_sendmsg (net/socket.c:2784)
[   22.874593][  T395]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.874720][  T395]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.874885][  T395]  ? 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)
[   22.875015][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.875152][  T395]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.875282][  T395]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.875418][  T395]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.875547][  T395]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.875707][  T395] RIP: 0033:0x7fe51ee4908e
[   22.875846][  T395] 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
[   22.876314][  T395] RSP: 002b:00007ffd6bc7e4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.876516][  T395] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe51ee4908e
[   22.876713][  T395] RDX: 0000000000000000 RSI: 00007ffd6bc7e580 RDI: 0000000000000005
[   22.876906][  T395] RBP: 00007ffd6bc7e4e0 R08: 0000000000000000 R09: 0000000000000000
[   22.877100][  T395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   22.877300][  T395] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6bc7ec40
| [   22.879230][  T395] ------------[ cut here ]------------
| [   22.879357][  T395] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/395
| [   22.879593][  T395] Modules linked in:
| [   22.879957][  T395] Tainted: [W]=WARN
[   22.880054][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.880739][  T395] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.880916][  T395] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.881451][  T395] RSP: 0018:ffa0000001227038 EFLAGS: 00010286
[   22.881614][  T395] RAX: 00000000ffffffa6 RBX: ff1100000a14e740 RCX: 1ff4000000244dcd
[   22.881803][  T395] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14e7fc
[   22.881998][  T395] RBP: ff1100000a08c000 R08: 1fe2200001429d01 R09: ff110000021d0b58
[   22.882246][  T395] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   22.882448][  T395] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   22.882708][  T395] FS:  00007fe51ec0f840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.883047][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.883391][  T395] CR2: 0000000002b90988 CR3: 00000000106db002 CR4: 0000000000771ef0
[   22.883650][  T395] PKRU: 55555554
[   22.883750][  T395] Call Trace:
[   22.883847][  T395]  <TASK>
[   22.883914][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.884048][  T395]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   22.884242][  T395]  notifier_call_chain (kernel/notifier.c:85)
[   22.884378][  T395]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   22.884516][  T395]  ? default_device_exit_batch (net/core/dev.c:13091)
[   22.884682][  T395]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   22.884844][  T395]  ? 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))
[   22.884977][  T395]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.885111][  T395]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   22.885299][  T395]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.885439][  T395]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.885600][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.885734][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.885863][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.885991][  T395]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.886175][  T395]  ? __kernel_text_address (kernel/extable.c:79)
[   22.886307][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.886443][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.886573][  T395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.886704][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.886832][  T395]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.886960][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.887088][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.887276][  T395]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.887414][  T395]  ? __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)
[   22.887544][  T395]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.887673][  T395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.887804][  T395]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.887932][  T395]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.888064][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.888250][  T395]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.888381][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.888516][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.888644][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.888772][  T395]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.888900][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.889031][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.889212][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.889341][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.889478][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.889607][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.889736][  T395]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.889865][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.889994][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.890179][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.890310][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.890444][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.890586][  T395]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.890715][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.890846][  T395]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.890978][  T395]  ? 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))
[   22.891108][  T395]  ? 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))
[   22.891297][  T395]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.891433][  T395]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.891565][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.891698][  T395]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.891830][  T395]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.891961][  T395]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.892092][  T395]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.892277][  T395]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.892411][  T395]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.892571][  T395]  ? move_addr_to_kernel (net/socket.c:258)
[   22.892703][  T395]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.892831][  T395]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.892962][  T395]  ___sys_sendmsg (net/socket.c:2752)
[   22.893101][  T395]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.893317][  T395]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.893465][  T395]  __sys_sendmsg (net/socket.c:2784)
[   22.893594][  T395]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.893726][  T395]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.893886][  T395]  ? 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)
[   22.894017][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.894300][  T395]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.894507][  T395]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.894707][  T395]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.894909][  T395]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.895197][  T395] RIP: 0033:0x7fe51ee4908e
[   22.895335][  T395] 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
[   22.895801][  T395] RSP: 002b:00007ffd6bc7e4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.895998][  T395] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe51ee4908e
[   22.896251][  T395] RDX: 0000000000000000 RSI: 00007ffd6bc7e580 RDI: 0000000000000005
[   22.896449][  T395] RBP: 00007ffd6bc7e4e0 R08: 0000000000000000 R09: 0000000000000000
[   22.896640][  T395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   22.896832][  T395] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6bc7ec40
| [   22.954937][  T396] ------------[ cut here ]------------
| [   22.955137][  T396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/396
| [   22.955431][  T396] Modules linked in:
| [   22.955889][  T396] Tainted: [W]=WARN
[   22.956045][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.956266][  T396] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.956492][  T396] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.957444][  T396] RSP: 0018:ffa0000001237020 EFLAGS: 00010286
[   22.957771][  T396] RAX: 00000000ffffffa6 RBX: ff11000010946740 RCX: 1ff4000000246dca
[   22.958097][  T396] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109467fc
[   22.958355][  T396] RBP: ff1100000a08c000 R08: 1fe2200002128d01 R09: ff1100000a8dae58
[   22.958605][  T396] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   22.958846][  T396] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.959090][  T396] FS:  00007f335ef28840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   22.959380][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.959600][  T396] CR2: 0000000038eae988 CR3: 0000000004c1c001 CR4: 0000000000771ef0
[   22.959842][  T396] PKRU: 55555554
[   22.959986][  T396] Call Trace:
[   22.960142][  T396]  <TASK>
[   22.960258][  T396]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.960445][  T396]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.960597][  T396]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.960773][  T396]  __dev_notify_flags (net/core/dev.c:9787)
[   22.960953][  T396]  ? netif_change_name (net/core/dev.c:1495)
[   22.961145][  T396]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.961323][  T396]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.961511][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.961693][  T396]  ? 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))
[   22.961876][  T396]  netif_change_flags (net/core/dev.c:9820)
[   22.962055][  T396]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.962245][  T396]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.962435][  T396]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.962617][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.962825][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.963005][  T396]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.963195][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.963371][  T396]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.963554][  T396]  ? __kernel_text_address (kernel/extable.c:79)
[   22.963731][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.963911][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.964086][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.964279][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.964464][  T396]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.964643][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.964821][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.964998][  T396]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.965190][  T396]  ? __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)
[   22.965366][  T396]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.965551][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.965733][  T396]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.965912][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.966090][  T396]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.966283][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.966469][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.966648][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.966825][  T396]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.967001][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.967197][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.967373][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.967556][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.967733][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.967912][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.968091][  T396]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.968283][  T396]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.968472][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.968647][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.968827][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.969004][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.969196][  T396]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.969374][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.969554][  T396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.969734][  T396]  ? 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))
[   22.969913][  T396]  ? 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))
[   22.970091][  T396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.970282][  T396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.970469][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.970651][  T396]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.970831][  T396]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.971007][  T396]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.971201][  T396]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.971383][  T396]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.971568][  T396]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.971773][  T396]  ? move_addr_to_kernel (net/socket.c:258)
[   22.971951][  T396]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.972141][  T396]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.972321][  T396]  ___sys_sendmsg (net/socket.c:2752)
[   22.972506][  T396]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.972720][  T396]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.972908][  T396]  __sys_sendmsg (net/socket.c:2784)
[   22.973086][  T396]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.973272][  T396]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.973491][  T396]  ? 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)
[   22.973669][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.973847][  T396]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.974026][  T396]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.974217][  T396]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.974395][  T396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.974614][  T396] RIP: 0033:0x7f335f16208e
[   22.974797][  T396] 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
[   22.975320][  T396] RSP: 002b:00007ffeff0dfd50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.975569][  T396] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f335f16208e
[   22.975808][  T396] RDX: 0000000000000000 RSI: 00007ffeff0dfe00 RDI: 0000000000000005
[   22.976048][  T396] RBP: 00007ffeff0dfd60 R08: 0000000000000000 R09: 0000000000000000
[   22.976300][  T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   22.976548][  T396] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeff0e04c0
| [   22.979004][   T38] ------------[ cut here ]------------
| [   22.979148][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [   22.979384][   T38] Modules linked in:
| [   22.979769][   T38] Tainted: [W]=WARN
[   22.979861][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.980012][   T38] Workqueue: events_unbound linkwatch_event
[   22.980176][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.980336][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.980774][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   22.980927][   T38] RAX: 00000000ffffffa6 RBX: ff1100000979d8c0 RCX: 1ff4000000055f02
[   22.981106][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d97c
[   22.981302][   T38] RBP: ff1100000a08c000 R08: 1fe22000012f3b31 R09: ff11000001da2ea8
[   22.981487][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   22.981664][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.981846][   T38] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   22.982054][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.982216][   T38] CR2: 000055d19c51fd5c CR3: 0000000010162005 CR4: 0000000000771ef0
[   22.982402][   T38] PKRU: 55555554
[   22.982501][   T38] Call Trace:
[   22.982591][   T38]  <TASK>
[   22.982654][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.982775][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.982895][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.982986][   T38]  netif_state_change (net/core/dev.c:1605)
[   22.983122][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.983273][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.983392][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.983517][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.983639][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.983758][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   22.983878][   T38]  process_one_work (kernel/workqueue.c:3314)
[   22.984006][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.984131][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.984256][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.984379][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.984503][   T38]  kthread (kernel/kthread.c:436)
[   22.984595][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.984743][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.984866][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.984987][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.985146][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.985276][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.985394][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.987156][   T38] ------------[ cut here ]------------
| [   22.987288][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   22.987533][   T38] Modules linked in:
| [   22.987899][   T38] Tainted: [W]=WARN
[   22.987988][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.988147][   T38] Workqueue: events_unbound linkwatch_event
[   22.988300][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.988460][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.988890][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   22.989042][   T38] RAX: 00000000ffffffa6 RBX: ff110000109471c0 RCX: 1ff4000000055f02
[   22.989242][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001094727c
[   22.989423][   T38] RBP: ff1100000f1d1000 R08: 1fe2200002128e51 R09: ff11000001da2ea8
[   22.989605][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   22.989802][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.989982][   T38] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   22.990198][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.990350][   T38] CR2: 0000000002b90988 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   22.990537][   T38] PKRU: 55555554
[   22.990626][   T38] Call Trace:
[   22.990716][   T38]  <TASK>
[   22.990779][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.990900][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.991022][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.991123][   T38]  netif_state_change (net/core/dev.c:1605)
[   22.991245][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.991402][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.991526][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.991647][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.991771][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.991890][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   22.992014][   T38]  process_one_work (kernel/workqueue.c:3314)
[   22.992149][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.992271][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.992396][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.992526][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.992644][   T38]  kthread (kernel/kthread.c:436)
[   22.992736][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.992888][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.993009][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.993133][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.993284][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.993403][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.993534][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.145351][  T400] ------------[ cut here ]------------
| [   23.145524][  T400] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/400
| [   23.145765][  T400] Modules linked in:
| [   23.146154][  T400] Tainted: [W]=WARN
[   23.146257][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.146432][  T400] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.146609][  T400] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.147085][  T400] RSP: 0018:ffa0000001266f40 EFLAGS: 00010286
[   23.147263][  T400] RAX: 00000000ffffffa6 RBX: ff1100000ba49540 RCX: 1ff400000024cdae
[   23.147465][  T400] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba495fc
[   23.147668][  T400] RBP: ff1100000a08c000 R08: 1fe22000017492c1 R09: ff1100000ff88b58
[   23.147867][  T400] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   23.148066][  T400] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   23.148275][  T400] FS:  00007f6cede52840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   23.148516][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.148683][  T400] CR2: 00000000004eba80 CR3: 000000001096f002 CR4: 0000000000771ef0
[   23.148883][  T400] PKRU: 55555554
[   23.148984][  T400] Call Trace:
[   23.149085][  T400]  <TASK>
[   23.149160][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.149297][  T400]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   23.149437][  T400]  notifier_call_chain (kernel/notifier.c:85)
[   23.149574][  T400]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   23.149709][  T400]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   23.149842][  T400]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   23.149978][  T400]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   23.150110][  T400]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.150250][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.150386][  T400]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   23.150523][  T400]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   23.150657][  T400]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   23.150792][  T400]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.150926][  T400]  do_set_master (net/core/rtnetlink.c:3011)
[   23.151059][  T400]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.151198][  T400]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   23.151337][  T400]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.151476][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.151641][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.151776][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.151909][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.152040][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.152179][  T400]  ? __kernel_text_address (kernel/extable.c:79)
[   23.152313][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.152452][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.152585][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.152718][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.152850][  T400]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.152983][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.153115][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.153254][  T400]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.153389][  T400]  ? __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)
[   23.153526][  T400]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.153660][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.153795][  T400]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.153929][  T400]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.154065][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.154208][  T400]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.154346][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.154483][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.154617][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.154751][  T400]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.154885][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.155021][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.155159][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.155293][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.155430][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.155565][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.155699][  T400]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.155832][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.155965][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.156099][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.156241][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.156374][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.156512][  T400]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.156646][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.156780][  T400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.156916][  T400]  ? 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))
[   23.157050][  T400]  ? 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))
[   23.157189][  T400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.157323][  T400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.157463][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.157598][  T400]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.157735][  T400]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.157870][  T400]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.158008][  T400]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.158150][  T400]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.158285][  T400]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.158455][  T400]  ? move_addr_to_kernel (net/socket.c:258)
[   23.158591][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.158724][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.158859][  T400]  ___sys_sendmsg (net/socket.c:2752)
[   23.158992][  T400]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.159164][  T400]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.159310][  T400]  __sys_sendmsg (net/socket.c:2784)
[   23.159454][  T400]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.159587][  T400]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.159756][  T400]  ? 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)
[   23.159890][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.160025][  T400]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.160164][  T400]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.160299][  T400]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.160438][  T400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.160609][  T400] RIP: 0033:0x7f6cee08c08e
[   23.160753][  T400] 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
[   23.161233][  T400] RSP: 002b:00007ffef5f23b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.161440][  T400] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6cee08c08e
[   23.161639][  T400] RDX: 0000000000000000 RSI: 00007ffef5f23c20 RDI: 0000000000000005
[   23.161838][  T400] RBP: 00007ffef5f23b80 R08: 0000000000000000 R09: 0000000000000000
[   23.162036][  T400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.162242][  T400] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef5f242f0
| [   23.171170][  T400] ------------[ cut here ]------------
| [   23.171322][  T400] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/400
| [   23.171572][  T400] Modules linked in:
| [   23.171956][  T400] Tainted: [W]=WARN
[   23.172061][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.172239][  T400] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.172422][  T400] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.172914][  T400] RSP: 0018:ffa0000001266f60 EFLAGS: 00010286
[   23.173086][  T400] RAX: 00000000ffffffa6 RBX: ff1100000c02f000 RCX: 1ff400000024cdb2
[   23.173359][  T400] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c02f0bc
[   23.173570][  T400] RBP: ff1100000a08c000 R08: 1fe2200001805e19 R09: ff1100000ff88b58
[   23.173772][  T400] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   23.173974][  T400] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000975ce60
[   23.174289][  T400] FS:  00007f6cede52840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   23.174602][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.174774][  T400] CR2: 00000000004eba80 CR3: 000000001096f002 CR4: 0000000000771ef0
[   23.174980][  T400] PKRU: 55555554
[   23.175083][  T400] Call Trace:
[   23.175269][  T400]  <TASK>
[   23.175342][  T400]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.175484][  T400]  ? __dev_close_many (net/core/dev.c:1779)
[   23.175624][  T400]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.175728][  T400]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.175867][  T400]  __dev_notify_flags (net/core/dev.c:9787)
[   23.176005][  T400]  ? netif_change_name (net/core/dev.c:1495)
[   23.176295][  T400]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   23.176438][  T400]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   23.176577][  T400]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.176785][  T400]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.176922][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.177060][  T400]  netif_change_flags (net/core/dev.c:9820)
[   23.177257][  T400]  dev_change_flags (net/core/dev_api.c:68)
[   23.177396][  T400]  cycle_netdev (drivers/net/vrf.c:1001)
[   23.177505][  T400]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   23.177642][  T400]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.177779][  T400]  do_set_master (net/core/rtnetlink.c:3011)
[   23.177916][  T400]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.178057][  T400]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   23.178265][  T400]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.178405][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.178580][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.178717][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.178855][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.178992][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.179219][  T400]  ? __kernel_text_address (kernel/extable.c:79)
[   23.179355][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.179497][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.179633][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.179772][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.179908][  T400]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.180045][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.180268][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.180404][  T400]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.180547][  T400]  ? __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)
[   23.180686][  T400]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.180823][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.180961][  T400]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.181098][  T400]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.181316][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.181459][  T400]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.181596][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.181731][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.181868][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.182004][  T400]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.182199][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.182340][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.182481][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.182618][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.182754][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.182891][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.183028][  T400]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.183222][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.183358][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.183500][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.183639][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.183775][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.183912][  T400]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.184050][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.184248][  T400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.184387][  T400]  ? 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))
[   23.184527][  T400]  ? 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))
[   23.184667][  T400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.184804][  T400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.184942][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.185080][  T400]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.185278][  T400]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.185421][  T400]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.185561][  T400]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.185699][  T400]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.185837][  T400]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.186004][  T400]  ? move_addr_to_kernel (net/socket.c:258)
[   23.186199][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.186335][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.186476][  T400]  ___sys_sendmsg (net/socket.c:2752)
[   23.186613][  T400]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.186782][  T400]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.186933][  T400]  __sys_sendmsg (net/socket.c:2784)
[   23.187073][  T400]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.187270][  T400]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.187446][  T400]  ? 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)
[   23.187584][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.187721][  T400]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.187857][  T400]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.187995][  T400]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.188190][  T400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.188360][  T400] RIP: 0033:0x7f6cee08c08e
[   23.188508][  T400] 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
[   23.188995][  T400] RSP: 002b:00007ffef5f23b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.189263][  T400] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6cee08c08e
[   23.189471][  T400] RDX: 0000000000000000 RSI: 00007ffef5f23c20 RDI: 0000000000000005
[   23.189675][  T400] RBP: 00007ffef5f23b80 R08: 0000000000000000 R09: 0000000000000000
[   23.189880][  T400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.190086][  T400] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef5f242f0
| [   23.192166][  T400] ------------[ cut here ]------------
| [   23.192352][  T400] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/400
| [   23.192647][  T400] Modules linked in:
| [   23.193139][  T400] Tainted: [W]=WARN
[   23.193289][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.193528][  T400] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.193752][  T400] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.194294][  T400] RSP: 0018:ffa0000001266f60 EFLAGS: 00010286
[   23.194525][  T400] RAX: 00000000ffffffa6 RBX: ff1100000c02f540 RCX: 1ff400000024cdb2
[   23.194775][  T400] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c02f5fc
[   23.195024][  T400] RBP: ff1100000a08c000 R08: 1fe2200001805ec1 R09: ff1100000ff88b58
[   23.195287][  T400] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   23.195546][  T400] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000975ce60
[   23.195802][  T400] FS:  00007f6cede52840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.196090][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.196321][  T400] CR2: 00007f1682b82fb0 CR3: 000000001096f005 CR4: 0000000000771ef0
[   23.196585][  T400] PKRU: 55555554
[   23.196734][  T400] Call Trace:
[   23.196890][  T400]  <TASK>
[   23.197007][  T400]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.197205][  T400]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.197359][  T400]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.197555][  T400]  __dev_notify_flags (net/core/dev.c:9787)
[   23.197744][  T400]  ? netif_change_name (net/core/dev.c:1495)
[   23.197928][  T400]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.198128][  T400]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.198318][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.198514][  T400]  netif_change_flags (net/core/dev.c:9820)
[   23.198705][  T400]  dev_change_flags (net/core/dev_api.c:68)
[   23.198892][  T400]  cycle_netdev (drivers/net/vrf.c:1003)
[   23.199047][  T400]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   23.199243][  T400]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.199435][  T400]  do_set_master (net/core/rtnetlink.c:3011)
[   23.199624][  T400]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.199816][  T400]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   23.200004][  T400]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.200205][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.200433][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.200619][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.200804][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.200993][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.201192][  T400]  ? __kernel_text_address (kernel/extable.c:79)
[   23.201378][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.201575][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.201759][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.201945][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.202144][  T400]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.202330][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.202525][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.202712][  T400]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.202898][  T400]  ? __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)
[   23.203084][  T400]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.203281][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.203476][  T400]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.203664][  T400]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.203858][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.204047][  T400]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.204249][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.204437][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.204623][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.204807][  T400]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.204992][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.205194][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.205380][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.205573][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.205758][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.205945][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.206144][  T400]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.206330][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.206524][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.206710][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.206903][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.207087][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.207288][  T400]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.207483][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.207672][  T400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.207861][  T400]  ? 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))
[   23.208047][  T400]  ? 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))
[   23.208254][  T400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.208450][  T400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.208639][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.208828][  T400]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.209020][  T400]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.209223][  T400]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.209416][  T400]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.209605][  T400]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.209795][  T400]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.210014][  T400]  ? move_addr_to_kernel (net/socket.c:258)
[   23.210217][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.210402][  T400]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.210597][  T400]  ___sys_sendmsg (net/socket.c:2752)
[   23.210780][  T400]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.210999][  T400]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.211213][  T400]  __sys_sendmsg (net/socket.c:2784)
[   23.211400][  T400]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.211591][  T400]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.211812][  T400]  ? 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)
[   23.211998][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.212198][  T400]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.212383][  T400]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.212579][  T400]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.212765][  T400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.212982][  T400] RIP: 0033:0x7f6cee08c08e
[   23.213187][  T400] 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
[   23.213736][  T400] RSP: 002b:00007ffef5f23b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.213990][  T400] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6cee08c08e
[   23.214256][  T400] RDX: 0000000000000000 RSI: 00007ffef5f23c20 RDI: 0000000000000005
[   23.214514][  T400] RBP: 00007ffef5f23b80 R08: 0000000000000000 R09: 0000000000000000
[   23.214767][  T400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.215021][  T400] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef5f242f0
| [   23.220228][   T39] ------------[ cut here ]------------
| [   23.220366][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   23.220616][   T39] Modules linked in:
| [   23.220993][   T39] Tainted: [W]=WARN
[   23.221084][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.221258][   T39] Workqueue: events_unbound linkwatch_event
[   23.221420][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.221577][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.222018][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   23.222178][   T39] RAX: 00000000ffffffa6 RBX: ff110000093d4c80 RCX: 1ff4000000057f02
[   23.222362][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093d4d3c
[   23.222548][   T39] RBP: ff1100000a08c000 R08: 1fe220000127a9a9 R09: ff11000001da51a8
[   23.222738][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   23.222923][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.223105][   T39] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   23.223323][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.223481][   T39] CR2: 00000000004eba80 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   23.223666][   T39] PKRU: 55555554
[   23.223757][   T39] Call Trace:
[   23.223848][   T39]  <TASK>
[   23.223911][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.224033][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.224160][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.224253][   T39]  netif_state_change (net/core/dev.c:1605)
[   23.224375][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   23.224535][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.224659][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.224780][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.224906][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.225027][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.225156][   T39]  process_one_work (kernel/workqueue.c:3314)
[   23.225282][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.225403][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.225535][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.225659][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.225780][   T39]  kthread (kernel/kthread.c:436)
[   23.225871][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.226019][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.226147][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.226271][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.226425][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.226547][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.226668][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.228206][   T39] ------------[ cut here ]------------
| [   23.228326][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   23.228573][   T39] Modules linked in:
| [   23.228937][   T39] Tainted: [W]=WARN
[   23.229030][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.229330][   T39] Workqueue: events_unbound linkwatch_event
[   23.229490][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.229646][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.230080][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   23.230237][   T39] RAX: 00000000ffffffa6 RBX: ff110000093d5000 RCX: 1ff4000000057f02
[   23.230420][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093d50bc
[   23.230599][   T39] RBP: ff1100000f1d1000 R08: 1fe220000127aa19 R09: ff11000001da51a8
[   23.230782][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   23.230963][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.231161][   T39] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   23.231376][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.231532][   T39] CR2: 00000000004eba80 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   23.231715][   T39] PKRU: 55555554
[   23.231805][   T39] Call Trace:
[   23.231895][   T39]  <TASK>
[   23.231957][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.232078][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.232206][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.232298][   T39]  netif_state_change (net/core/dev.c:1605)
[   23.232427][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   23.232579][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.232701][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.232821][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.232944][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.233065][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.233191][   T39]  process_one_work (kernel/workqueue.c:3314)
[   23.233316][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.233442][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.233567][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.233692][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.233811][   T39]  kthread (kernel/kthread.c:436)
[   23.233902][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.234056][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.234182][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.234308][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.234462][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.234586][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.234710][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.259935][  T401] ------------[ cut here ]------------
| [   23.260092][  T401] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/401
| [   23.260337][  T401] Modules linked in:
| [   23.260720][  T401] Tainted: [W]=WARN
[   23.260820][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.260989][  T401] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.261168][  T401] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.261646][  T401] RSP: 0018:ffa00000012771b0 EFLAGS: 00010286
[   23.261813][  T401] RAX: 00000000ffffffa6 RBX: ff11000005b21a80 RCX: 1ff400000024edfc
[   23.262020][  T401] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b21b3c
[   23.262542][  T401] RBP: ff1100000c512000 R08: 1fe2200000b64369 R09: ff1100000ff8ae80
[   23.262745][  T401] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.262944][  T401] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5120900
[   23.263157][  T401] FS:  00007fd50d871840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   23.263391][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.263565][  T401] CR2: 00000000004a04a0 CR3: 00000000109ef004 CR4: 0000000000771ef0
[   23.263767][  T401] PKRU: 55555554
[   23.263867][  T401] Call Trace:
[   23.263967][  T401]  <TASK>
[   23.264039][  T401]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.264182][  T401]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.264284][  T401]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.264422][  T401]  __dev_notify_flags (net/core/dev.c:9787)
[   23.264557][  T401]  ? netif_change_name (net/core/dev.c:1495)
[   23.264690][  T401]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.264822][  T401]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.264960][  T401]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.265131][  T401]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.265268][  T401]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.265405][  T401]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   23.265543][  T401]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.265677][  T401]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.265811][  T401]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.265951][  T401]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.266090][  T401]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.266288][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.266424][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.266558][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.266690][  T401]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.266824][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.266961][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.267099][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.267292][  T401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.267431][  T401]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.267565][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.267698][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.267834][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.267968][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.268102][  T401]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.268297][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.268493][  T401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.268630][  T401]  ? 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))
[   23.268762][  T401]  ? 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))
[   23.268897][  T401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.269032][  T401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.269260][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.269396][  T401]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.269536][  T401]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.269671][  T401]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.269808][  T401]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.269942][  T401]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.270076][  T401]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.270320][  T401]  ? move_addr_to_kernel (net/socket.c:258)
[   23.270464][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.270599][  T401]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   23.270733][  T401]  ___sys_sendmsg (net/socket.c:2752)
[   23.270865][  T401]  ? 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)
[   23.270998][  T401]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.271209][  T401]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   23.271347][  T401]  ? 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))
[   23.271489][  T401]  __sys_sendmsg (net/socket.c:2784)
[   23.271627][  T401]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.271765][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.271902][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.272039][  T401]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.272245][  T401]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.272378][  T401]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.272517][  T401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.272687][  T401] RIP: 0033:0x7fd50daab08e
[   23.272831][  T401] 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
[   23.273374][  T401] RSP: 002b:00007fff15a6e7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.273580][  T401] RAX: ffffffffffffffda RBX: 00007fff15a6efa8 RCX: 00007fd50daab08e
[   23.273782][  T401] RDX: 0000000000000000 RSI: 00007fff15a6e8a0 RDI: 0000000000000005
[   23.273982][  T401] RBP: 00007fff15a6e800 R08: 0000000000000000 R09: 0000000000000000
[   23.274338][  T401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.274556][  T401] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff15a6ef70
| [   23.360084][  T403] ------------[ cut here ]------------
| [   23.360296][  T403] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/403
| [   23.360590][  T403] Modules linked in:
| [   23.361061][  T403] Tainted: [W]=WARN
[   23.361223][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.361448][  T403] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.361675][  T403] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.362212][  T403] RSP: 0018:ffa0000001286e30 EFLAGS: 00010286
[   23.362437][  T403] RAX: 00000000ffffffa6 RBX: ff11000004ef1540 RCX: 1ff4000000250d8c
[   23.362686][  T403] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ef15fc
[   23.362937][  T403] RBP: ff11000004f29000 R08: 1fe22000009de2c1 R09: ff11000009c10b80
[   23.363193][  T403] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.363444][  T403] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf94400
[   23.363692][  T403] FS:  00007f0b7c678840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.363978][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.364202][  T403] CR2: 000000000042ebe0 CR3: 000000000f5a7004 CR4: 0000000000771ef0
[   23.364468][  T403] PKRU: 55555554
[   23.364616][  T403] Call Trace:
[   23.364762][  T403]  <TASK>
[   23.364878][  T403]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.365064][  T403]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.365229][  T403]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   23.365453][  T403]  __dev_notify_flags (net/core/dev.c:9787)
[   23.365636][  T403]  ? netif_change_name (net/core/dev.c:1495)
[   23.365815][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.365994][  T403]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.366186][  T403]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.366372][  T403]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   23.366563][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.366745][  T403]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.366926][  T403]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.367105][  T403]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.367298][  T403]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   23.367494][  T403]  veth_newlink (drivers/net/veth.c:1871)
[   23.367678][  T403]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   23.367860][  T403]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.368043][  T403]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.368236][  T403]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.368440][  T403]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   23.368622][  T403]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   23.368807][  T403]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   23.368987][  T403]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.369186][  T403]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   23.369369][  T403]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   23.369559][  T403]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.369739][  T403]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.369922][  T403]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.370108][  T403]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.370306][  T403]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.370492][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.370673][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.370854][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.371032][  T403]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.371226][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.371420][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.371601][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.371781][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.371961][  T403]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.372155][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.372338][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.372525][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.372703][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.372885][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.373064][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.373257][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.373447][  T403]  ? 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))
[   23.373631][  T403]  ? 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))
[   23.373813][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.373995][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.374188][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.374370][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.374560][  T403]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.374744][  T403]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.374930][  T403]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.375111][  T403]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.375304][  T403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.375520][  T403]  ? move_addr_to_kernel (net/socket.c:258)
[   23.375705][  T403]  ___sys_sendmsg (net/socket.c:2752)
[   23.375887][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.376070][  T403]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.376274][  T403]  ? 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))
[   23.376461][  T403]  __sys_sendmsg (net/socket.c:2784)
[   23.376642][  T403]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.376825][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.377005][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.377203][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.377383][  T403]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.377570][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.377754][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.377966][  T403] RIP: 0033:0x7f0b7c8b208e
[   23.378165][  T403] 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
[   23.378690][  T403] RSP: 002b:00007ffd03e8da40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.378941][  T403] RAX: ffffffffffffffda RBX: 00007ffd03e8e1d8 RCX: 00007f0b7c8b208e
[   23.379218][  T403] RDX: 0000000000000000 RSI: 00007ffd03e8daf0 RDI: 0000000000000005
[   23.379474][  T403] RBP: 00007ffd03e8da50 R08: 0000000000000000 R09: 0000000000000000
[   23.379719][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.379968][  T403] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd03e8e1b0
| [   23.396193][  T403] ------------[ cut here ]------------
| [   23.396377][  T403] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/403
| [   23.396669][  T403] Modules linked in:
| [   23.397206][  T403] Tainted: [W]=WARN
[   23.397351][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.397573][  T403] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.397793][  T403] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.398325][  T403] RSP: 0018:ffa00000012871b0 EFLAGS: 00010286
[   23.398546][  T403] RAX: 00000000ffffffa6 RBX: ff11000002846740 RCX: 1ff4000000250dfc
[   23.398792][  T403] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000028467fc
[   23.399038][  T403] RBP: ff110000109e1000 R08: 1fe2200000508d01 R09: ff11000009c10b80
[   23.399294][  T403] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.399549][  T403] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   23.399795][  T403] FS:  00007f0b7c678840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.400073][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.400302][  T403] CR2: 000000000042ebe0 CR3: 000000000f5a7004 CR4: 0000000000771ef0
[   23.400554][  T403] PKRU: 55555554
[   23.400701][  T403] Call Trace:
[   23.400847][  T403]  <TASK>
[   23.400962][  T403]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.401155][  T403]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.401304][  T403]  __dev_notify_flags (net/core/dev.c:9787)
[   23.401490][  T403]  ? netif_change_name (net/core/dev.c:1495)
[   23.401670][  T403]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   23.401849][  T403]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.402030][  T403]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.402224][  T403]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   23.402404][  T403]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.402592][  T403]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.402774][  T403]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.402960][  T403]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.403156][  T403]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.403338][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.403520][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.403699][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.403877][  T403]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.404056][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.404255][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.404443][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.404624][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.404803][  T403]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.404982][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.405172][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.405354][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.405544][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.405725][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.405904][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.406086][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.406280][  T403]  ? 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))
[   23.406466][  T403]  ? 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))
[   23.406652][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.406838][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.407021][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.407214][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.407397][  T403]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.407586][  T403]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.407768][  T403]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.407950][  T403]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.408142][  T403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.408355][  T403]  ? move_addr_to_kernel (net/socket.c:258)
[   23.408546][  T403]  ___sys_sendmsg (net/socket.c:2752)
[   23.408727][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.408906][  T403]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.409094][  T403]  ? 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))
[   23.409289][  T403]  __sys_sendmsg (net/socket.c:2784)
[   23.409479][  T403]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.409670][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.409852][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.410034][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.410231][  T403]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.410420][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.410602][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.410815][  T403] RIP: 0033:0x7f0b7c8b208e
[   23.411001][  T403] 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
[   23.411542][  T403] RSP: 002b:00007ffd03e8da40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.411792][  T403] RAX: ffffffffffffffda RBX: 00007ffd03e8e1d8 RCX: 00007f0b7c8b208e
[   23.412036][  T403] RDX: 0000000000000000 RSI: 00007ffd03e8daf0 RDI: 0000000000000005
[   23.412297][  T403] RBP: 00007ffd03e8da50 R08: 0000000000000000 R09: 0000000000000000
[   23.412550][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.412794][  T403] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd03e8e1b0
| [   23.461915][  T404] ------------[ cut here ]------------
| [   23.462065][  T404] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/404
| [   23.462854][  T404] Modules linked in:
| [   23.463285][  T404] Tainted: [W]=WARN
[   23.463384][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.463553][  T404] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.463723][  T404] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.464248][  T404] RSP: 0018:ffa0000001297020 EFLAGS: 00010286
[   23.464420][  T404] RAX: 00000000ffffffa6 RBX: ff11000002847380 RCX: 1ff4000000252dca
[   23.464616][  T404] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000284743c
[   23.464809][  T404] RBP: ff110000109e1000 R08: 1fe2200000508e89 R09: ff11000008d85158
[   23.465005][  T404] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   23.465258][  T404] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.465546][  T404] FS:  00007f582d7d4840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   23.465776][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.465940][  T404] CR2: 000000000c086988 CR3: 0000000009a8f005 CR4: 0000000000771ef0
[   23.466224][  T404] PKRU: 55555554
[   23.466324][  T404] Call Trace:
[   23.466436][  T404]  <TASK>
[   23.466504][  T404]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.466637][  T404]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.466736][  T404]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.466866][  T404]  __dev_notify_flags (net/core/dev.c:9787)
[   23.466998][  T404]  ? netif_change_name (net/core/dev.c:1495)
[   23.467162][  T404]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.467292][  T404]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.467423][  T404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.467553][  T404]  ? 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))
[   23.467686][  T404]  netif_change_flags (net/core/dev.c:9820)
[   23.467818][  T404]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.467952][  T404]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.468085][  T404]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.468222][  T404]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.468386][  T404]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.468519][  T404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.468648][  T404]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.468779][  T404]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.468909][  T404]  ? __kernel_text_address (kernel/extable.c:79)
[   23.469040][  T404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.469177][  T404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.469307][  T404]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.469442][  T404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.469574][  T404]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.469703][  T404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.469841][  T404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.469971][  T404]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.470103][  T404]  ? __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)
[   23.470238][  T404]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.470368][  T404]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.470506][  T404]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.470640][  T404]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.470772][  T404]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.470905][  T404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.471033][  T404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.471240][  T404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.471370][  T404]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.471504][  T404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.471637][  T404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.471765][  T404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.471896][  T404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.472026][  T404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.472221][  T404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.472352][  T404]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.472488][  T404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.472618][  T404]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.472747][  T404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.472880][  T404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.473013][  T404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.473201][  T404]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.473333][  T404]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.473470][  T404]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.473605][  T404]  ? 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))
[   23.473735][  T404]  ? 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))
[   23.473867][  T404]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.474001][  T404]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.474196][  T404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.474329][  T404]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.474467][  T404]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.474598][  T404]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.474731][  T404]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.474862][  T404]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.474993][  T404]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.475231][  T404]  ? move_addr_to_kernel (net/socket.c:258)
[   23.475364][  T404]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.475499][  T404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.475630][  T404]  ___sys_sendmsg (net/socket.c:2752)
[   23.475758][  T404]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.475920][  T404]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.476062][  T404]  __sys_sendmsg (net/socket.c:2784)
[   23.476289][  T404]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.476422][  T404]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.476587][  T404]  ? 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)
[   23.476725][  T404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.476855][  T404]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.476987][  T404]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.477178][  T404]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.477311][  T404]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.477478][  T404] RIP: 0033:0x7f582da0e08e
[   23.477615][  T404] 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
[   23.478083][  T404] RSP: 002b:00007fffc84c4f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.478315][  T404] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f582da0e08e
[   23.478516][  T404] RDX: 0000000000000000 RSI: 00007fffc84c5030 RDI: 0000000000000005
[   23.478710][  T404] RBP: 00007fffc84c4f90 R08: 0000000000000000 R09: 0000000000000000
[   23.478904][  T404] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.479099][  T404] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc84c56f0
| [   23.548523][  T405] ------------[ cut here ]------------
| [   23.548724][  T405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/405
| [   23.548997][  T405] Modules linked in:
| [   23.549484][  T405] Tainted: [W]=WARN
[   23.549629][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.549840][  T405] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.550055][  T405] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.550584][  T405] RSP: 0018:ffa00000012a6ff8 EFLAGS: 00010286
[   23.550793][  T405] RAX: 00000000ffffffa6 RBX: ff1100000d963380 RCX: 1ff4000000254dc5
[   23.551029][  T405] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d96343c
[   23.551278][  T405] RBP: ff11000004f29000 R08: 1fe2200001b2c689 R09: ff11000008d82e58
[   23.551525][  T405] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.551760][  T405] R13: 0000000000000000 R14: ffa00000012a7140 R15: ff110000028c7150
[   23.551998][  T405] FS:  00007f85e45de840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.552356][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.552574][  T405] CR2: 00000000259c4988 CR3: 000000000c213003 CR4: 0000000000771ef0
[   23.552813][  T405] PKRU: 55555554
[   23.552956][  T405] Call Trace:
[   23.553099][  T405]  <TASK>
[   23.553225][  T405]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   23.553403][  T405]  __dev_change_net_namespace (net/core/dev.c:12635)
[   23.553618][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.553795][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.553973][  T405]  ? default_device_exit_batch (net/core/dev.c:13091)
[   23.554192][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.554366][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.554551][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.554727][  T405]  ? 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))
[   23.554902][  T405]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.555083][  T405]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   23.555291][  T405]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.555475][  T405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.555683][  T405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.555856][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.556030][  T405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.556218][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.556396][  T405]  ? __kernel_text_address (kernel/extable.c:79)
[   23.556578][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.556755][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.556928][  T405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.557104][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.557292][  T405]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.557474][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.557651][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.557830][  T405]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.558006][  T405]  ? __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)
[   23.558195][  T405]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.558373][  T405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.558557][  T405]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.558731][  T405]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.558908][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.559089][  T405]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.559280][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.559458][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.559634][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.559810][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.559985][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.560178][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.560352][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.560538][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.560712][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.560887][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.561063][  T405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.561252][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.561432][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.561607][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.561784][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.561960][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.562148][  T405]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.562324][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.562509][  T405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.562689][  T405]  ? 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))
[   23.562864][  T405]  ? 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))
[   23.563041][  T405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.563234][  T405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.563419][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.563597][  T405]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.563772][  T405]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.563951][  T405]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.564140][  T405]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.564315][  T405]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.564499][  T405]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.564709][  T405]  ? move_addr_to_kernel (net/socket.c:258)
[   23.564886][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.565061][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.565251][  T405]  ___sys_sendmsg (net/socket.c:2752)
[   23.565432][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.565639][  T405]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.565826][  T405]  __sys_sendmsg (net/socket.c:2784)
[   23.566002][  T405]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.566190][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.566398][  T405]  ? 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)
[   23.566584][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.566759][  T405]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.566934][  T405]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.567110][  T405]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.567302][  T405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.567512][  T405] RIP: 0033:0x7f85e481808e
[   23.567694][  T405] 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
[   23.568200][  T405] RSP: 002b:00007fff5ee1d4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.568448][  T405] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f85e481808e
[   23.568684][  T405] RDX: 0000000000000000 RSI: 00007fff5ee1d5a0 RDI: 0000000000000005
[   23.568919][  T405] RBP: 00007fff5ee1d500 R08: 0000000000000000 R09: 0000000000000000
[   23.569167][  T405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.569407][  T405] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5ee1dc60
| [   23.572448][  T405] ------------[ cut here ]------------
| [   23.572619][  T405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/405
| [   23.572887][  T405] Modules linked in:
| [   23.573355][  T405] Tainted: [W]=WARN
[   23.573508][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.573721][  T405] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.573935][  T405] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.574458][  T405] RSP: 0018:ffa00000012a6fc0 EFLAGS: 00010286
[   23.574667][  T405] RAX: 00000000ffffffa6 RBX: ff1100000e602200 RCX: 1ff4000000254dbe
[   23.574908][  T405] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6022bc
[   23.575159][  T405] RBP: ff11000004f29000 R08: 1fe2200001cc0459 R09: ff11000008d82e58
[   23.575397][  T405] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.575644][  T405] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000028c7150
[   23.575887][  T405] FS:  00007f85e45de840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.576169][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.576378][  T405] CR2: 00000000259c4988 CR3: 000000000c213003 CR4: 0000000000771ef0
[   23.576621][  T405] PKRU: 55555554
[   23.576764][  T405] Call Trace:
[   23.576909][  T405]  <TASK>
[   23.577026][  T405]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.577217][  T405]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.577395][  T405]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.577549][  T405]  __dev_change_net_namespace (net/core/dev.c:12695)
[   23.577759][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.577935][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.578114][  T405]  ? default_device_exit_batch (net/core/dev.c:13091)
[   23.578337][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.578519][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.578698][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.578874][  T405]  ? 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))
[   23.579052][  T405]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.579247][  T405]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   23.579432][  T405]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.579614][  T405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.579821][  T405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.579997][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.580187][  T405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.580364][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.580548][  T405]  ? __kernel_text_address (kernel/extable.c:79)
[   23.580725][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.580908][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.581082][  T405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.581269][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.581454][  T405]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.581628][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.581803][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.581979][  T405]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.582169][  T405]  ? __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)
[   23.582345][  T405]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.582532][  T405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.582712][  T405]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.582888][  T405]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.583068][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.583262][  T405]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.583446][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.583626][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.583802][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.583976][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.584165][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.584348][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.584532][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.584712][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.584889][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.585066][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.585256][  T405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.585440][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.585617][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.585796][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.585975][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.586164][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.586342][  T405]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.586526][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.586703][  T405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.586884][  T405]  ? 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))
[   23.587061][  T405]  ? 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))
[   23.587257][  T405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.587444][  T405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.587621][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.587799][  T405]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.587980][  T405]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.588171][  T405]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.588350][  T405]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.588537][  T405]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.588718][  T405]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.588924][  T405]  ? move_addr_to_kernel (net/socket.c:258)
[   23.589106][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.589297][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.589487][  T405]  ___sys_sendmsg (net/socket.c:2752)
[   23.589670][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.589880][  T405]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.590069][  T405]  __sys_sendmsg (net/socket.c:2784)
[   23.590261][  T405]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.590443][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.590656][  T405]  ? 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)
[   23.590832][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.591012][  T405]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.591200][  T405]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.591375][  T405]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.591557][  T405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.591763][  T405] RIP: 0033:0x7f85e481808e
[   23.591944][  T405] 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
[   23.592466][  T405] RSP: 002b:00007fff5ee1d4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.592707][  T405] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f85e481808e
[   23.592946][  T405] RDX: 0000000000000000 RSI: 00007fff5ee1d5a0 RDI: 0000000000000005
[   23.593196][  T405] RBP: 00007fff5ee1d500 R08: 0000000000000000 R09: 0000000000000000
[   23.593445][  T405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.593681][  T405] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5ee1dc60
| [   23.596025][  T405] ------------[ cut here ]------------
| [   23.596217][  T405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/405
| [   23.596487][  T405] Modules linked in:
| [   23.596940][  T405] Tainted: [W]=WARN
[   23.597084][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.597530][  T405] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.597745][  T405] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.598267][  T405] RSP: 0018:ffa00000012a7038 EFLAGS: 00010286
[   23.598485][  T405] RAX: 00000000ffffffa6 RBX: ff1100000e602740 RCX: 1ff4000000254dcd
[   23.598721][  T405] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6027fc
[   23.598958][  T405] RBP: ff11000004f29000 R08: 1fe2200001cc0501 R09: ff11000008d82e58
[   23.599211][  T405] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   23.599456][  T405] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   23.599697][  T405] FS:  00007f85e45de840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.599970][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.600195][  T405] CR2: 00000000259c4988 CR3: 000000000c213003 CR4: 0000000000771ef0
[   23.600447][  T405] PKRU: 55555554
[   23.600592][  T405] Call Trace:
[   23.600736][  T405]  <TASK>
[   23.600850][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.601025][  T405]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   23.601218][  T405]  notifier_call_chain (kernel/notifier.c:85)
[   23.601398][  T405]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   23.601584][  T405]  ? default_device_exit_batch (net/core/dev.c:13091)
[   23.601798][  T405]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   23.602007][  T405]  ? 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))
[   23.602201][  T405]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.602380][  T405]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   23.602567][  T405]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.602745][  T405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.602957][  T405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.603151][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.603327][  T405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.603512][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.603689][  T405]  ? __kernel_text_address (kernel/extable.c:79)
[   23.603866][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.604044][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.604233][  T405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.604422][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.604600][  T405]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.604776][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.604954][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.605144][  T405]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.605322][  T405]  ? __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)
[   23.605505][  T405]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.605684][  T405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.605864][  T405]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.606039][  T405]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.606234][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.606422][  T405]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.606602][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.606778][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.606956][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.607147][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.607323][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.607509][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.607683][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.607861][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.608037][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.608229][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.608406][  T405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.608594][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.608771][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.608946][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.609137][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.609314][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.609501][  T405]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.609679][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.609856][  T405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.610041][  T405]  ? 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))
[   23.610231][  T405]  ? 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))
[   23.610420][  T405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.610603][  T405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.610781][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.610959][  T405]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.611149][  T405]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.611331][  T405]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.611605][  T405]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.611781][  T405]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.611957][  T405]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.612178][  T405]  ? move_addr_to_kernel (net/socket.c:258)
[   23.612450][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.612632][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.612815][  T405]  ___sys_sendmsg (net/socket.c:2752)
[   23.612991][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.613298][  T405]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.613496][  T405]  __sys_sendmsg (net/socket.c:2784)
[   23.613675][  T405]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.613850][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.614159][  T405]  ? 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)
[   23.614343][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.614523][  T405]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.614700][  T405]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.614960][  T405]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.615153][  T405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.615360][  T405] RIP: 0033:0x7f85e481808e
[   23.615641][  T405] 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
[   23.616162][  T405] RSP: 002b:00007fff5ee1d4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.616502][  T405] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f85e481808e
[   23.616741][  T405] RDX: 0000000000000000 RSI: 00007fff5ee1d5a0 RDI: 0000000000000005
[   23.617068][  T405] RBP: 00007fff5ee1d500 R08: 0000000000000000 R09: 0000000000000000
[   23.617321][  T405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.617570][  T405] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5ee1dc60
| [   23.675131][  T406] ------------[ cut here ]------------
| [   23.675295][  T406] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/406
| [   23.675537][  T406] Modules linked in:
| [   23.675916][  T406] Tainted: [W]=WARN
[   23.676017][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.676255][  T406] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.676438][  T406] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.676903][  T406] RSP: 0018:ffa00000012b7020 EFLAGS: 00010286
[   23.677067][  T406] RAX: 00000000ffffffa6 RBX: ff1100000e603a80 RCX: 1ff4000000256dca
[   23.677276][  T406] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e603b3c
[   23.677478][  T406] RBP: ff11000004f29000 R08: 1fe2200001cc0769 R09: ff1100000f728b58
[   23.677673][  T406] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   23.677867][  T406] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.678065][  T406] FS:  00007f2b3ed43840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   23.678304][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.678474][  T406] CR2: 0000000032ad6988 CR3: 000000000bae1002 CR4: 0000000000771ef0
[   23.678673][  T406] PKRU: 55555554
[   23.678771][  T406] Call Trace:
[   23.678870][  T406]  <TASK>
[   23.678938][  T406]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.679073][  T406]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.679179][  T406]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.679311][  T406]  __dev_notify_flags (net/core/dev.c:9787)
[   23.679450][  T406]  ? netif_change_name (net/core/dev.c:1495)
[   23.679581][  T406]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.679716][  T406]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.679846][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.679981][  T406]  ? 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))
[   23.680121][  T406]  netif_change_flags (net/core/dev.c:9820)
[   23.680255][  T406]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.680387][  T406]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.680526][  T406]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.680659][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.680824][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.680956][  T406]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.681088][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.681226][  T406]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.681359][  T406]  ? __kernel_text_address (kernel/extable.c:79)
[   23.681496][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.681630][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.681762][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.681894][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.682024][  T406]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.682161][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.682293][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.682429][  T406]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.682563][  T406]  ? __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)
[   23.682696][  T406]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.682829][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.682963][  T406]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.683098][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.683239][  T406]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.683374][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.683511][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.683643][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.683775][  T406]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.683908][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.684044][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.684182][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.684313][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.684451][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.684583][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.684716][  T406]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.684847][  T406]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.684980][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.685112][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.685252][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.685384][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.685521][  T406]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.685655][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.685788][  T406]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.685925][  T406]  ? 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))
[   23.686057][  T406]  ? 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))
[   23.686196][  T406]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.686328][  T406]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.686464][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.686598][  T406]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.686731][  T406]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.686863][  T406]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.686996][  T406]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.687131][  T406]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.687261][  T406]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.687424][  T406]  ? move_addr_to_kernel (net/socket.c:258)
[   23.687557][  T406]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.687689][  T406]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.687821][  T406]  ___sys_sendmsg (net/socket.c:2752)
[   23.687952][  T406]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.688121][  T406]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.688266][  T406]  __sys_sendmsg (net/socket.c:2784)
[   23.688398][  T406]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.688532][  T406]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.688696][  T406]  ? 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)
[   23.688826][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.688959][  T406]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.689090][  T406]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.689226][  T406]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.689358][  T406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.689525][  T406] RIP: 0033:0x7f2b3ef7d08e
[   23.689664][  T406] 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
[   23.690139][  T406] RSP: 002b:00007ffda8d4ecd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.690339][  T406] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2b3ef7d08e
[   23.690537][  T406] RDX: 0000000000000000 RSI: 00007ffda8d4ed80 RDI: 0000000000000005
[   23.690733][  T406] RBP: 00007ffda8d4ece0 R08: 0000000000000000 R09: 0000000000000000
[   23.690930][  T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e30f
[   23.691129][  T406] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8d4f440
| [   23.693767][   T45] ------------[ cut here ]------------
| [   23.693903][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/45
| [   23.694156][   T45] Modules linked in:
| [   23.694581][   T45] Tainted: [W]=WARN
[   23.694690][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.694841][   T45] Workqueue: events_unbound linkwatch_event
[   23.695008][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.695186][   T45] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.695621][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   23.695774][   T45] RAX: 00000000ffffffa6 RBX: ff11000009259700 RCX: 1ff4000000063f02
[   23.695954][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092597bc
[   23.696142][   T45] RBP: ff11000004f29000 R08: 1fe220000124b2f9 R09: ff110000020051a8
[   23.696325][   T45] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   23.696519][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.696703][   T45] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   23.696924][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.697082][   T45] CR2: 000000000c086988 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   23.697271][   T45] PKRU: 55555554
[   23.697360][   T45] Call Trace:
[   23.697453][   T45]  <TASK>
[   23.697517][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.697640][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.697759][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.697851][   T45]  netif_state_change (net/core/dev.c:1605)
[   23.697975][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   23.698132][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.698256][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.698376][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.698506][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.698626][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.698746][   T45]  process_one_work (kernel/workqueue.c:3314)
[   23.698873][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.698994][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.699131][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.699256][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.699375][   T45]  kthread (kernel/kthread.c:436)
[   23.699472][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.699622][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.699744][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.699866][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.700016][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.700149][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.700306][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.702278][   T45] ------------[ cut here ]------------
| [   23.702451][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/45
| [   23.702737][   T45] Modules linked in:
| [   23.703212][   T45] Tainted: [W]=WARN
[   23.703352][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.703580][   T45] Workqueue: events_unbound linkwatch_event
[   23.703811][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.704014][   T45] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.704525][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   23.704721][   T45] RAX: 00000000ffffffa6 RBX: ff1100000cdc0040 RCX: 1ff4000000063f02
[   23.704948][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdc00fc
[   23.705192][   T45] RBP: ff110000109e1000 R08: 1fe22000019b8021 R09: ff110000020051a8
[   23.705453][   T45] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   23.705677][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.705904][   T45] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.706168][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.706370][   T45] CR2: 00007f85e48692a0 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   23.706606][   T45] PKRU: 55555554
[   23.706743][   T45] Call Trace:
[   23.706879][   T45]  <TASK>
[   23.706988][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.707169][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.707338][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.707493][   T45]  netif_state_change (net/core/dev.c:1605)
[   23.707663][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   23.707860][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.708031][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.708219][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.708393][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.708572][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.708740][   T45]  process_one_work (kernel/workqueue.c:3314)
[   23.708914][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.709081][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.709263][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.709443][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.709611][   T45]  kthread (kernel/kthread.c:436)
[   23.709755][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.709951][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.710132][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.710302][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.710510][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.710681][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.710848][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.822345][  T409] ------------[ cut here ]------------
| [   23.822493][  T409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/409
| [   23.822729][  T409] Modules linked in:
| [   23.823116][  T409] Tainted: [W]=WARN
[   23.823283][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.823471][  T409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.823647][  T409] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.824186][  T409] RSP: 0018:ffa00000012d6ee0 EFLAGS: 00010286
[   23.824356][  T409] RAX: 00000000ffffffa6 RBX: ff1100000ba0f8c0 RCX: 1ff400000025ada2
[   23.824560][  T409] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0f97c
[   23.824761][  T409] RBP: ff11000004f29000 R08: 1fe2200001741f31 R09: ff1100000fe6ae58
[   23.824959][  T409] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   23.825247][  T409] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   23.825458][  T409] FS:  00007f53b2418840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   23.825694][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.825865][  T409] CR2: 00000000004eba70 CR3: 0000000010914006 CR4: 0000000000771ef0
[   23.826068][  T409] PKRU: 55555554
[   23.826260][  T409] Call Trace:
[   23.826362][  T409]  <TASK>
[   23.826438][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.826577][  T409]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   23.826711][  T409]  notifier_call_chain (kernel/notifier.c:85)
[   23.826861][  T409]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   23.826996][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.827211][  T409]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   23.827346][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.827491][  T409]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   23.827625][  T409]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   23.827761][  T409]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   23.827896][  T409]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   23.828034][  T409]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   23.828260][  T409]  br_add_if (net/bridge/br_if.c:619)
[   23.828367][  T409]  do_set_master (net/core/rtnetlink.c:3011)
[   23.828508][  T409]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.828643][  T409]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   23.828783][  T409]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.828919][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.829086][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.829289][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.829428][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.829562][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.829697][  T409]  ? __kernel_text_address (kernel/extable.c:79)
[   23.829834][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.829969][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.830103][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.830318][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.830457][  T409]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.830591][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.830726][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.830861][  T409]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.830997][  T409]  ? __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)
[   23.831193][  T409]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.831328][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.831469][  T409]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.831601][  T409]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.831739][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.831877][  T409]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.832015][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.832158][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.832295][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.832433][  T409]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.832568][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.832705][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.832838][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.832973][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.833112][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.833252][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.833388][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.833527][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.833668][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.833803][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.833941][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.834076][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.834216][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.834353][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.834492][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.834629][  T409]  ? 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))
[   23.834764][  T409]  ? 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))
[   23.834900][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.835037][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.835178][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.835313][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.835453][  T409]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.835588][  T409]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.835723][  T409]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.835858][  T409]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.835991][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.836165][  T409]  ? move_addr_to_kernel (net/socket.c:258)
[   23.836300][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.836441][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.836577][  T409]  ___sys_sendmsg (net/socket.c:2752)
[   23.836710][  T409]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.836876][  T409]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.837023][  T409]  __sys_sendmsg (net/socket.c:2784)
[   23.837164][  T409]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.837298][  T409]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.837474][  T409]  ? 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)
[   23.837608][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.837742][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.837877][  T409]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.838013][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.838154][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.838321][  T409] RIP: 0033:0x7f53b265208e
[   23.838467][  T409] 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
[   23.838943][  T409] RSP: 002b:00007ffc740f5c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.839158][  T409] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f53b265208e
[   23.839359][  T409] RDX: 0000000000000000 RSI: 00007ffc740f5d20 RDI: 0000000000000005
[   23.839567][  T409] RBP: 00007ffc740f5c80 R08: 0000000000000000 R09: 0000000000000000
[   23.839767][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   23.839968][  T409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc740f63f0
| [   23.841820][  T409] ------------[ cut here ]------------
| [   23.842003][  T409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/409
| [   23.842314][  T409] Modules linked in:
| [   23.842818][  T409] Tainted: [W]=WARN
[   23.842971][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.843209][  T409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.843453][  T409] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.843997][  T409] RSP: 0018:ffa00000012d6ea0 EFLAGS: 00010286
[   23.844239][  T409] RAX: 00000000ffffffa6 RBX: ff1100000ba0fa80 RCX: 1ff400000025ad9a
[   23.844509][  T409] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0fb3c
[   23.844766][  T409] RBP: ff11000004f29000 R08: 1fe2200001741f69 R09: ff1100000fe6ae58
[   23.845021][  T409] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[   23.845290][  T409] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c512dc0
[   23.845563][  T409] FS:  00007f53b2418840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.845858][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.846082][  T409] CR2: 00007f85e48692a0 CR3: 0000000010914004 CR4: 0000000000771ef0
[   23.846353][  T409] PKRU: 55555554
[   23.846514][  T409] Call Trace:
[   23.846670][  T409]  <TASK>
[   23.846794][  T409]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.846984][  T409]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.847155][  T409]  __dev_notify_flags (net/core/dev.c:9787)
[   23.847346][  T409]  ? netdev_notice (net/core/dev.c:13008)
[   23.847546][  T409]  ? netif_change_name (net/core/dev.c:1495)
[   23.847736][  T409]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   23.847962][  T409]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   23.848172][  T409]  __dev_set_promiscuity (net/core/dev.c:9630)
[   23.848362][  T409]  netif_set_promiscuity (net/core/dev.c:9639)
[   23.848561][  T409]  dev_set_promiscuity (net/core/dev_api.c:288)
[   23.848750][  T409]  br_port_set_promisc (net/bridge/br_if.c:108)
[   23.848940][  T409]  br_manage_promisc (net/bridge/br_if.c:174)
[   23.849142][  T409]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   23.849333][  T409]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   23.849499][  T409]  do_set_master (net/core/rtnetlink.c:3011)
[   23.849690][  T409]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.849879][  T409]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   23.850069][  T409]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.850272][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.850506][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.850697][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.850888][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.851080][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.851280][  T409]  ? __kernel_text_address (kernel/extable.c:79)
[   23.851481][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.851675][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.851863][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.852052][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.852253][  T409]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.852451][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.852642][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.852832][  T409]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.853022][  T409]  ? __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)
[   23.853223][  T409]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.853420][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.853612][  T409]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.853799][  T409]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.853994][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.854201][  T409]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.854390][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.854586][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.854775][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.854960][  T409]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.855161][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.855357][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.855553][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.855742][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.855930][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.856133][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.856321][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.856519][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.856708][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.856898][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.857088][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.857289][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.857488][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.857679][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.857871][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.858063][  T409]  ? 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))
[   23.858268][  T409]  ? 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))
[   23.858464][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.858656][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.858846][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.859037][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.859241][  T409]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.859437][  T409]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.859630][  T409]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.859822][  T409]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.860010][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.860249][  T409]  ? move_addr_to_kernel (net/socket.c:258)
[   23.860450][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.860640][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.860829][  T409]  ___sys_sendmsg (net/socket.c:2752)
[   23.861014][  T409]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.861254][  T409]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.861462][  T409]  __sys_sendmsg (net/socket.c:2784)
[   23.861652][  T409]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.861838][  T409]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.862063][  T409]  ? 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)
[   23.862266][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.862461][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.862651][  T409]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.862839][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.863026][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.863262][  T409] RIP: 0033:0x7f53b265208e
[   23.863459][  T409] 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
[   23.864002][  T409] RSP: 002b:00007ffc740f5c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.864270][  T409] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f53b265208e
[   23.864562][  T409] RDX: 0000000000000000 RSI: 00007ffc740f5d20 RDI: 0000000000000005
[   23.864818][  T409] RBP: 00007ffc740f5c80 R08: 0000000000000000 R09: 0000000000000000
[   23.865075][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   23.865342][  T409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc740f63f0
| [   23.868736][  T409] ------------[ cut here ]------------
| [   23.868908][  T409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/409
| [   23.869208][  T409] Modules linked in:
| [   23.869682][  T409] Tainted: [W]=WARN
[   23.869830][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.870040][  T409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.870272][  T409] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.870811][  T409] RSP: 0018:ffa00000012d7000 EFLAGS: 00010286
[   23.871027][  T409] RAX: 00000000ffffffa6 RBX: ff1100000b866ac0 RCX: 1ff400000025adc6
[   23.871286][  T409] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b866b7c
[   23.871535][  T409] RBP: ff1100000c512000 R08: 1fe220000170cd71 R09: ff1100000fe6ae58
[   23.871779][  T409] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   23.872020][  T409] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   23.872278][  T409] FS:  00007f53b2418840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.872564][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.872780][  T409] CR2: 00007f85e48692a0 CR3: 0000000010914004 CR4: 0000000000771ef0
[   23.873024][  T409] PKRU: 55555554
[   23.873182][  T409] Call Trace:
[   23.873329][  T409]  <TASK>
[   23.873450][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.873632][  T409]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   23.873814][  T409]  notifier_call_chain (kernel/notifier.c:85)
[   23.873997][  T409]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   23.874194][  T409]  ? __dev_open (./include/net/netdev_lock.h:33)
[   23.874373][  T409]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   23.874562][  T409]  br_add_if (net/bridge/br_if.c:679)
[   23.874714][  T409]  do_set_master (net/core/rtnetlink.c:3011)
[   23.874893][  T409]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.875072][  T409]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   23.875267][  T409]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.875459][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.875675][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.875854][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.876032][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.876225][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.876404][  T409]  ? __kernel_text_address (kernel/extable.c:79)
[   23.876592][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.876779][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.876959][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.877151][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.877331][  T409]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.877515][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.877695][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.877876][  T409]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.878056][  T409]  ? __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)
[   23.878250][  T409]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.878437][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.878619][  T409]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.878797][  T409]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.878979][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.879172][  T409]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.879355][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.879551][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.879732][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.879912][  T409]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.880092][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.880290][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.880478][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.880660][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.880840][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.881025][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.881219][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.881401][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.881590][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.881770][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.881952][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.882144][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.882327][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.882520][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.882702][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.882888][  T409]  ? 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))
[   23.883066][  T409]  ? 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))
[   23.883265][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.883460][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.883643][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.883830][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.884012][  T409]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.884203][  T409]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.884386][  T409]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.884575][  T409]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.884756][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.884968][  T409]  ? move_addr_to_kernel (net/socket.c:258)
[   23.885168][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.885351][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.885542][  T409]  ___sys_sendmsg (net/socket.c:2752)
[   23.885725][  T409]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.885939][  T409]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.886145][  T409]  __sys_sendmsg (net/socket.c:2784)
[   23.886329][  T409]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.886518][  T409]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.886739][  T409]  ? 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)
[   23.886924][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.887106][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.887308][  T409]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.887498][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.887681][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.887894][  T409] RIP: 0033:0x7f53b265208e
[   23.888093][  T409] 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
[   23.888636][  T409] RSP: 002b:00007ffc740f5c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.888883][  T409] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f53b265208e
[   23.889143][  T409] RDX: 0000000000000000 RSI: 00007ffc740f5d20 RDI: 0000000000000005
[   23.889386][  T409] RBP: 00007ffc740f5c80 R08: 0000000000000000 R09: 0000000000000000
[   23.889638][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   23.889884][  T409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc740f63f0
| [   23.900806][  T409] ------------[ cut here ]------------
| [   23.900988][  T409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/409
| [   23.901278][  T409] Modules linked in:
| [   23.901754][  T409] Tainted: [W]=WARN
[   23.901902][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.902140][  T409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.902360][  T409] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.902888][  T409] RSP: 0018:ffa00000012d6f78 EFLAGS: 00010286
[   23.903106][  T409] RAX: 00000000ffffffa6 RBX: ff1100000b867000 RCX: 1ff400000025adb5
[   23.903367][  T409] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8670bc
[   23.903620][  T409] RBP: ff1100000c512000 R08: 1fe220000170ce19 R09: ff1100000fe6ae58
[   23.903864][  T409] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   23.904110][  T409] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   23.904372][  T409] FS:  00007f53b2418840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   23.904658][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.904874][  T409] CR2: 00007f85e48692a0 CR3: 0000000010914004 CR4: 0000000000771ef0
[   23.905137][  T409] PKRU: 55555554
[   23.905283][  T409] Call Trace:
[   23.905437][  T409]  <TASK>
[   23.905553][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.905733][  T409]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   23.905915][  T409]  notifier_call_chain (kernel/notifier.c:85)
[   23.906099][  T409]  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)
[   23.906328][  T409]  ? netdev_change_features (net/core/dev.c:11117)
[   23.906521][  T409]  ? 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)
[   23.906712][  T409]  br_add_if (net/bridge/br_if.c:683)
[   23.906865][  T409]  do_set_master (net/core/rtnetlink.c:3011)
[   23.907046][  T409]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.907237][  T409]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   23.907425][  T409]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.907607][  T409]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.907819][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.908002][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.908197][  T409]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.908376][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.908562][  T409]  ? __kernel_text_address (kernel/extable.c:79)
[   23.908744][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.908927][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.909108][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.909306][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.909493][  T409]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.909672][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.909852][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.910033][  T409]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.910228][  T409]  ? __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)
[   23.910409][  T409]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.910599][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.910785][  T409]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.910965][  T409]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.911165][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.911350][  T409]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.911545][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.911725][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.911908][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.912090][  T409]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.912284][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.912476][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.912659][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.912842][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.913024][  T409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.913220][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.913401][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.913592][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.913773][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.913952][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.914148][  T409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.914328][  T409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.914518][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.914699][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.914881][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.915069][  T409]  ? 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))
[   23.915262][  T409]  ? 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))
[   23.915453][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.915637][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.915818][  T409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.915999][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.916194][  T409]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.916379][  T409]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.916567][  T409]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.916748][  T409]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.916928][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.917154][  T409]  ? move_addr_to_kernel (net/socket.c:258)
[   23.917337][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.917526][  T409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.917712][  T409]  ___sys_sendmsg (net/socket.c:2752)
[   23.917892][  T409]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.918105][  T409]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.918312][  T409]  __sys_sendmsg (net/socket.c:2784)
[   23.918504][  T409]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.918687][  T409]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.918904][  T409]  ? 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)
[   23.919088][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.919282][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.919472][  T409]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.919655][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.919838][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.920050][  T409] RIP: 0033:0x7f53b265208e
[   23.920249][  T409] 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
[   23.920777][  T409] RSP: 002b:00007ffc740f5c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.921024][  T409] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f53b265208e
[   23.921282][  T409] RDX: 0000000000000000 RSI: 00007ffc740f5d20 RDI: 0000000000000005
[   23.921540][  T409] RBP: 00007ffc740f5c80 R08: 0000000000000000 R09: 0000000000000000
[   23.921784][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   23.922028][  T409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc740f63f0
| [   23.973636][  T410] ------------[ cut here ]------------
| [   23.973804][  T410] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/410
| [   23.974050][  T410] Modules linked in:
| [   23.975068][  T410] Tainted: [W]=WARN
[   23.975250][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.975434][  T410] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.975614][  T410] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.976103][  T410] RSP: 0018:ffa00000012e6e30 EFLAGS: 00010286
[   23.976337][  T410] RAX: 00000000ffffffa6 RBX: ff110000108f4ac0 RCX: 1ff400000025cd8c
[   23.976553][  T410] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108f4b7c
[   23.976760][  T410] RBP: ff1100000fccc000 R08: 1fe220000211e971 R09: ff1100000fe6d180
[   23.976966][  T410] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.977252][  T410] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004d61580
[   23.977468][  T410] FS:  00007fe346256840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   23.977712][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.977886][  T410] CR2: 000000000042ebe0 CR3: 0000000010590004 CR4: 0000000000771ef0
[   23.978094][  T410] PKRU: 55555554
[   23.978257][  T410] Call Trace:
[   23.978361][  T410]  <TASK>
[   23.978441][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.978581][  T410]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.978722][  T410]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.978827][  T410]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   23.978966][  T410]  __dev_notify_flags (net/core/dev.c:9787)
[   23.979105][  T410]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   23.979249][  T410]  ? 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)
[   23.979389][  T410]  ? netif_change_name (net/core/dev.c:1495)
[   23.979530][  T410]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.979669][  T410]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.979807][  T410]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.979947][  T410]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.980086][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.980230][  T410]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.980372][  T410]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.980516][  T410]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.980655][  T410]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   23.980796][  T410]  veth_newlink (drivers/net/veth.c:1871)
[   23.980935][  T410]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   23.981074][  T410]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.981220][  T410]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.981359][  T410]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.981518][  T410]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   23.981656][  T410]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   23.981794][  T410]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   23.981932][  T410]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.982071][  T410]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   23.982217][  T410]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   23.982359][  T410]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.982503][  T410]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.982642][  T410]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.982786][  T410]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.982929][  T410]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.983069][  T410]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.983213][  T410]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.983351][  T410]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.983498][  T410]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.983635][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.983778][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.983917][  T410]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.984056][  T410]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.984199][  T410]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.984337][  T410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.984478][  T410]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.984620][  T410]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.984757][  T410]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.984896][  T410]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.985034][  T410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.985179][  T410]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.985321][  T410]  ? 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))
[   23.985463][  T410]  ? 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))
[   23.985606][  T410]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.985745][  T410]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.985883][  T410]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.986022][  T410]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.986166][  T410]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.986306][  T410]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.986452][  T410]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.986590][  T410]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.986731][  T410]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.986903][  T410]  ? move_addr_to_kernel (net/socket.c:258)
[   23.987046][  T410]  ___sys_sendmsg (net/socket.c:2752)
[   23.987191][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.987329][  T410]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.987481][  T410]  ? 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))
[   23.987623][  T410]  __sys_sendmsg (net/socket.c:2784)
[   23.987762][  T410]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.987903][  T410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.988040][  T410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.988193][  T410]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.988333][  T410]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.988476][  T410]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.988614][  T410]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.988787][  T410] RIP: 0033:0x7fe34649008e
[   23.988931][  T410] 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
[   23.989430][  T410] RSP: 002b:00007ffcbc6d9740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.989639][  T410] RAX: ffffffffffffffda RBX: 00007ffcbc6d9ed8 RCX: 00007fe34649008e
[   23.989847][  T410] RDX: 0000000000000000 RSI: 00007ffcbc6d97f0 RDI: 0000000000000005
[   23.990054][  T410] RBP: 00007ffcbc6d9750 R08: 0000000000000000 R09: 0000000000000000
[   23.990266][  T410] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   23.990476][  T410] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbc6d9eb0
| [   24.005062][  T410] ------------[ cut here ]------------
| [   24.005223][  T410] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/410
| [   24.005470][  T410] Modules linked in:
| [   24.005862][  T410] Tainted: [W]=WARN
[   24.005965][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.006144][  T410] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.006323][  T410] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.006816][  T410] RSP: 0018:ffa00000012e71b0 EFLAGS: 00010286
[   24.006987][  T410] RAX: 00000000ffffffa6 RBX: ff11000005090e40 RCX: 1ff400000025cdfc
[   24.007198][  T410] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005090efc
[   24.007403][  T410] RBP: ff1100000f2cc000 R08: 1fe2200000a121e1 R09: ff1100000fe6d180
[   24.007613][  T410] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.007816][  T410] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   24.008022][  T410] FS:  00007fe346256840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.008266][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.008441][  T410] CR2: 000000000042ebe0 CR3: 0000000010590004 CR4: 0000000000771ef0
[   24.008647][  T410] PKRU: 55555554
[   24.008749][  T410] Call Trace:
[   24.008870][  T410]  <TASK>
[   24.008944][  T410]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.009083][  T410]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.009194][  T410]  __dev_notify_flags (net/core/dev.c:9787)
[   24.009333][  T410]  ? netif_change_name (net/core/dev.c:1495)
[   24.009478][  T410]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.009616][  T410]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.009756][  T410]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.009897][  T410]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.010038][  T410]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.010249][  T410]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.010387][  T410]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.010534][  T410]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.010674][  T410]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.010813][  T410]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.010949][  T410]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.011088][  T410]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.011230][  T410]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.011366][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.011513][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.011651][  T410]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.011787][  T410]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.011924][  T410]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.012059][  T410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.012201][  T410]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.012340][  T410]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.012480][  T410]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.012618][  T410]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.012755][  T410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.012891][  T410]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.013030][  T410]  ? 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))
[   24.013175][  T410]  ? 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))
[   24.013314][  T410]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.013457][  T410]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.013595][  T410]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.013733][  T410]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.013872][  T410]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.014011][  T410]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.014156][  T410]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.014297][  T410]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.014437][  T410]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.014608][  T410]  ? move_addr_to_kernel (net/socket.c:258)
[   24.014748][  T410]  ___sys_sendmsg (net/socket.c:2752)
[   24.014883][  T410]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.015020][  T410]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.015171][  T410]  ? 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))
[   24.015311][  T410]  __sys_sendmsg (net/socket.c:2784)
[   24.015451][  T410]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.015600][  T410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.015737][  T410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.015876][  T410]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.016013][  T410]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.016156][  T410]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.016294][  T410]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.016470][  T410] RIP: 0033:0x7fe34649008e
[   24.016613][  T410] 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
[   24.017099][  T410] RSP: 002b:00007ffcbc6d9740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.017312][  T410] RAX: ffffffffffffffda RBX: 00007ffcbc6d9ed8 RCX: 00007fe34649008e
[   24.017519][  T410] RDX: 0000000000000000 RSI: 00007ffcbc6d97f0 RDI: 0000000000000005
[   24.017722][  T410] RBP: 00007ffcbc6d9750 R08: 0000000000000000 R09: 0000000000000000
[   24.017925][  T410] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.018132][  T410] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbc6d9eb0
| [   24.067363][  T411] ------------[ cut here ]------------
| [   24.067529][  T411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/411
| [   24.067767][  T411] Modules linked in:
| [   24.068768][  T411] Tainted: [W]=WARN
[   24.068873][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.069040][  T411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.069221][  T411] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.069702][  T411] RSP: 0018:ffa00000012f7020 EFLAGS: 00010286
[   24.069870][  T411] RAX: 00000000ffffffa6 RBX: ff1100000da34580 RCX: 1ff400000025edca
[   24.070068][  T411] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da3463c
[   24.070274][  T411] RBP: ff1100000f2cc000 R08: 1fe2200001b468c9 R09: ff110000100d8b58
[   24.070478][  T411] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   24.070689][  T411] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.070888][  T411] FS:  00007fe53ba2c840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.071129][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.071297][  T411] CR2: 000000002d529988 CR3: 0000000004e54001 CR4: 0000000000771ef0
[   24.071503][  T411] PKRU: 55555554
[   24.071604][  T411] Call Trace:
[   24.071705][  T411]  <TASK>
[   24.071774][  T411]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.071910][  T411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.072012][  T411]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.072155][  T411]  __dev_notify_flags (net/core/dev.c:9787)
[   24.072289][  T411]  ? netif_change_name (net/core/dev.c:1495)
[   24.072427][  T411]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.072561][  T411]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.072694][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.072828][  T411]  ? 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))
[   24.072968][  T411]  netif_change_flags (net/core/dev.c:9820)
[   24.073103][  T411]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.073244][  T411]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.073380][  T411]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.073520][  T411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.073687][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.073820][  T411]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.073956][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.074096][  T411]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.074233][  T411]  ? __kernel_text_address (kernel/extable.c:79)
[   24.074367][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.074506][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.074638][  T411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.074773][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.074908][  T411]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.075039][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.075177][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.075309][  T411]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.075448][  T411]  ? __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)
[   24.075582][  T411]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.075716][  T411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.075852][  T411]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.075990][  T411]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.076132][  T411]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.076267][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.076400][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.076538][  T411]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.076671][  T411]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.076804][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.076940][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.077076][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.077214][  T411]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.077348][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.077488][  T411]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.077621][  T411]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.077755][  T411]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.077888][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.078023][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.078165][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.078300][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.078439][  T411]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.078572][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.078705][  T411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.078842][  T411]  ? 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))
[   24.078978][  T411]  ? 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))
[   24.079120][  T411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.079259][  T411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.079393][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.079533][  T411]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.079667][  T411]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.079801][  T411]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.079936][  T411]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.080071][  T411]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.080211][  T411]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.080377][  T411]  ? move_addr_to_kernel (net/socket.c:258)
[   24.080515][  T411]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.080648][  T411]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.080784][  T411]  ___sys_sendmsg (net/socket.c:2752)
[   24.080923][  T411]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.081090][  T411]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.081241][  T411]  __sys_sendmsg (net/socket.c:2784)
[   24.081374][  T411]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.081512][  T411]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.081683][  T411]  ? 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)
[   24.081817][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.081952][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.082086][  T411]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.082226][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.082359][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.082531][  T411] RIP: 0033:0x7fe53bc6608e
[   24.082670][  T411] 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
[   24.083150][  T411] RSP: 002b:00007ffd2afe74b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.083351][  T411] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe53bc6608e
[   24.083553][  T411] RDX: 0000000000000000 RSI: 00007ffd2afe7560 RDI: 0000000000000005
[   24.083753][  T411] RBP: 00007ffd2afe74c0 R08: 0000000000000000 R09: 0000000000000000
[   24.083952][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.084157][  T411] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2afe7c20
| [   24.151448][  T412] ------------[ cut here ]------------
| [   24.151633][  T412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/412
| [   24.151906][  T412] Modules linked in:
| [   24.152372][  T412] Tainted: [W]=WARN
[   24.152523][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.152729][  T412] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.152944][  T412] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.153462][  T412] RSP: 0018:ffa0000001306ff8 EFLAGS: 00010286
[   24.153668][  T412] RAX: 00000000ffffffa6 RBX: ff1100000d069700 RCX: 1ff4000000260dc5
[   24.153903][  T412] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0697bc
[   24.154225][  T412] RBP: ff1100000fccc000 R08: 1fe2200001a0d2f9 R09: ff110000100dae58
[   24.154468][  T412] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   24.154705][  T412] R13: 0000000000000000 R14: ffa0000001307140 R15: ff1100000d823150
[   24.154941][  T412] FS:  00007f3f564dc840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   24.155222][  T412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.155434][  T412] CR2: 000000003b88b988 CR3: 000000001099e001 CR4: 0000000000771ef0
[   24.155676][  T412] PKRU: 55555554
[   24.155818][  T412] Call Trace:
[   24.155959][  T412]  <TASK>
[   24.156073][  T412]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   24.156265][  T412]  __dev_change_net_namespace (net/core/dev.c:12635)
[   24.156478][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.156652][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.156832][  T412]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.157036][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.157222][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.157399][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.157584][  T412]  ? 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))
[   24.157760][  T412]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.157937][  T412]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   24.158131][  T412]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.158306][  T412]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.158518][  T412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.158691][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.158864][  T412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.159037][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.159224][  T412]  ? __kernel_text_address (kernel/extable.c:79)
[   24.159402][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.159586][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.159759][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.159933][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.160107][  T412]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.160295][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.160476][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.160653][  T412]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.160831][  T412]  ? __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)
[   24.161004][  T412]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.161194][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.161371][  T412]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.161552][  T412]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.161728][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.161907][  T412]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.162086][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.162270][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.162453][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.162625][  T412]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.162801][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.162979][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.163165][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.163339][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.163522][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.163696][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.163870][  T412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.164044][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.164231][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.164405][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.164589][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.164765][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.164940][  T412]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.165128][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.165303][  T412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.165487][  T412]  ? 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))
[   24.165660][  T412]  ? 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))
[   24.165836][  T412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.166012][  T412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.166200][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.166376][  T412]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.166555][  T412]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.166729][  T412]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.166905][  T412]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.167079][  T412]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.167264][  T412]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.167478][  T412]  ? move_addr_to_kernel (net/socket.c:258)
[   24.167656][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.167831][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.168006][  T412]  ___sys_sendmsg (net/socket.c:2752)
[   24.168196][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.168400][  T412]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.168594][  T412]  __sys_sendmsg (net/socket.c:2784)
[   24.168774][  T412]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.168947][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.169169][  T412]  ? 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)
[   24.169345][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.169524][  T412]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.169699][  T412]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.169873][  T412]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.170050][  T412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.170271][  T412] RIP: 0033:0x7f3f5671608e
[   24.170458][  T412] 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
[   24.170953][  T412] RSP: 002b:00007ffeead15380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.171208][  T412] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3f5671608e
[   24.171452][  T412] RDX: 0000000000000000 RSI: 00007ffeead15430 RDI: 0000000000000005
[   24.171686][  T412] RBP: 00007ffeead15390 R08: 0000000000000000 R09: 0000000000000000
[   24.171920][  T412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.172167][  T412] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeead15af0
| [   24.175536][  T412] ------------[ cut here ]------------
| [   24.175714][  T412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/412
| [   24.175986][  T412] Modules linked in:
| [   24.176708][  T412] Tainted: [W]=WARN
[   24.176853][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.177061][  T412] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.177294][  T412] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.177807][  T412] RSP: 0018:ffa0000001306fc0 EFLAGS: 00010286
[   24.178017][  T412] RAX: 00000000ffffffa6 RBX: ff1100000dd2e580 RCX: 1ff4000000260dbe
[   24.178268][  T412] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2e63c
[   24.178515][  T412] RBP: ff1100000fccc000 R08: 1fe2200001ba5cc9 R09: ff110000100dae58
[   24.178751][  T412] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   24.178986][  T412] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d823150
[   24.179239][  T412] FS:  00007f3f564dc840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   24.179524][  T412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.179732][  T412] CR2: 000000003b88b988 CR3: 000000001099e001 CR4: 0000000000771ef0
[   24.179970][  T412] PKRU: 55555554
[   24.180113][  T412] Call Trace:
[   24.180272][  T412]  <TASK>
[   24.180386][  T412]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.180576][  T412]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.180751][  T412]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.180897][  T412]  __dev_change_net_namespace (net/core/dev.c:12695)
[   24.181104][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.181292][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.181481][  T412]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.181689][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.181866][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.182042][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.182232][  T412]  ? 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))
[   24.182419][  T412]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.182600][  T412]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   24.182778][  T412]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.182955][  T412]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.183179][  T412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.183354][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.183543][  T412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.183720][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.183896][  T412]  ? __kernel_text_address (kernel/extable.c:79)
[   24.184073][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.184263][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.184453][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.184632][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.184808][  T412]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.184981][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.185167][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.185346][  T412]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.185534][  T412]  ? __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)
[   24.185717][  T412]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.185893][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.186071][  T412]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.186261][  T412]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.186447][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.186628][  T412]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.186806][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.186981][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.187218][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.187464][  T412]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.187710][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.187961][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.188157][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.188332][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.188520][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.188701][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.188876][  T412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.189052][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.189245][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.189429][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.189607][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.189782][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.189959][  T412]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.190150][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.190327][  T412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.190518][  T412]  ? 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))
[   24.190692][  T412]  ? 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))
[   24.190871][  T412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.191050][  T412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.191240][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.191425][  T412]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.191609][  T412]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.191785][  T412]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.191963][  T412]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.192152][  T412]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.192327][  T412]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.192542][  T412]  ? move_addr_to_kernel (net/socket.c:258)
[   24.192720][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.192899][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.193076][  T412]  ___sys_sendmsg (net/socket.c:2752)
[   24.193263][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.193487][  T412]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.193679][  T412]  __sys_sendmsg (net/socket.c:2784)
[   24.193858][  T412]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.194032][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.194261][  T412]  ? 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)
[   24.194444][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.194624][  T412]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.194798][  T412]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.194973][  T412]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.195215][  T412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.195508][  T412] RIP: 0033:0x7f3f5671608e
[   24.195762][  T412] 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
[   24.196395][  T412] RSP: 002b:00007ffeead15380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.196646][  T412] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3f5671608e
[   24.196888][  T412] RDX: 0000000000000000 RSI: 00007ffeead15430 RDI: 0000000000000005
[   24.197137][  T412] RBP: 00007ffeead15390 R08: 0000000000000000 R09: 0000000000000000
[   24.197375][  T412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.197620][  T412] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeead15af0
| [   24.209630][  T412] ------------[ cut here ]------------
| [   24.209782][  T412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/412
| [   24.210005][  T412] Modules linked in:
| [   24.210383][  T412] Tainted: [W]=WARN
[   24.210490][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.210650][  T412] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.210817][  T412] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.211296][  T412] RSP: 0018:ffa0000001307038 EFLAGS: 00010286
[   24.211467][  T412] RAX: 00000000ffffffa6 RBX: ff1100000dd2e900 RCX: 1ff4000000260dcd
[   24.211657][  T412] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2e9bc
[   24.211849][  T412] RBP: ff1100000fccc000 R08: 1fe2200001ba5d39 R09: ff110000100dae58
[   24.212041][  T412] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.212239][  T412] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   24.212442][  T412] FS:  00007f3f564dc840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.212665][  T412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.212824][  T412] CR2: 00007fe53baf9574 CR3: 000000001099e003 CR4: 0000000000771ef0
[   24.213017][  T412] PKRU: 55555554
[   24.213120][  T412] Call Trace:
[   24.213218][  T412]  <TASK>
[   24.213285][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.213421][  T412]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   24.213551][  T412]  notifier_call_chain (kernel/notifier.c:85)
[   24.213685][  T412]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   24.213814][  T412]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.213976][  T412]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   24.214143][  T412]  ? 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))
[   24.214274][  T412]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.214405][  T412]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   24.214543][  T412]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.214673][  T412]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.214832][  T412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.214959][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.215088][  T412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.215229][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.215358][  T412]  ? __kernel_text_address (kernel/extable.c:79)
[   24.215493][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.215622][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.215750][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.215878][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.216006][  T412]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.216140][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.216267][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.216395][  T412]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.216537][  T412]  ? __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)
[   24.216666][  T412]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.216794][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.216924][  T412]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.217052][  T412]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.217191][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.217327][  T412]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.217463][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.217593][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.217723][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.217851][  T412]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.217981][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.218113][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.218246][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.218375][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.218511][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.218641][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.218769][  T412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.218899][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.219027][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.219161][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.219291][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.219424][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.219554][  T412]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.219685][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.219812][  T412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.219944][  T412]  ? 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))
[   24.220073][  T412]  ? 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))
[   24.220209][  T412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.220339][  T412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.220479][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.220609][  T412]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.220737][  T412]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.220866][  T412]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.220995][  T412]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.221128][  T412]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.221257][  T412]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.221420][  T412]  ? move_addr_to_kernel (net/socket.c:258)
[   24.221552][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.221679][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.221810][  T412]  ___sys_sendmsg (net/socket.c:2752)
[   24.221937][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.222096][  T412]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.222238][  T412]  __sys_sendmsg (net/socket.c:2784)
[   24.222368][  T412]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.222504][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.222667][  T412]  ? 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)
[   24.222796][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.222927][  T412]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.223055][  T412]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.223189][  T412]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.223317][  T412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.223485][  T412] RIP: 0033:0x7f3f5671608e
[   24.223620][  T412] 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
[   24.224080][  T412] RSP: 002b:00007ffeead15380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.224281][  T412] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3f5671608e
[   24.224479][  T412] RDX: 0000000000000000 RSI: 00007ffeead15430 RDI: 0000000000000005
[   24.224671][  T412] RBP: 00007ffeead15390 R08: 0000000000000000 R09: 0000000000000000
[   24.224861][  T412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.225052][  T412] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeead15af0
| [   24.227326][   T38] ------------[ cut here ]------------
| [   24.227547][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/38
| [   24.227943][   T38] Modules linked in:
| [   24.228565][   T38] Tainted: [W]=WARN
[   24.228702][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.228898][   T38] Workqueue: events_unbound linkwatch_event
[   24.229106][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.229343][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.229816][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   24.230013][   T38] RAX: 00000000ffffffa6 RBX: ff1100000dd2f380 RCX: 1ff4000000055f02
[   24.230253][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2f43c
[   24.230481][   T38] RBP: ff1100000c512000 R08: 1fe2200001ba5e89 R09: ff11000001da2ea8
[   24.230703][   T38] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   24.230925][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.231166][   T38] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   24.231438][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.231633][   T38] CR2: 000000003b88b988 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   24.231856][   T38] PKRU: 55555554
[   24.231993][   T38] Call Trace:
[   24.232141][   T38]  <TASK>
[   24.232254][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.232428][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.232594][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.232734][   T38]  netif_state_change (net/core/dev.c:1605)
[   24.232902][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.233097][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.233279][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.233461][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.233635][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.233803][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.233974][   T38]  process_one_work (kernel/workqueue.c:3314)
[   24.234164][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.234334][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.234519][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.234694][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.234868][   T38]  kthread (kernel/kthread.c:436)
[   24.235010][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.235225][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.235396][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.235577][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.235777][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.235948][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.236136][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.290927][  T413] ------------[ cut here ]------------
| [   24.291094][  T413] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/413
| [   24.291349][  T413] Modules linked in:
| [   24.291763][  T413] Tainted: [W]=WARN
[   24.291864][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.292034][  T413] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.292219][  T413] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.292705][  T413] RSP: 0018:ffa0000001317020 EFLAGS: 00010286
[   24.292877][  T413] RAX: 00000000ffffffa6 RBX: ff1100000dd2fe00 RCX: 1ff4000000262dca
[   24.293082][  T413] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2febc
[   24.293291][  T413] RBP: ff1100000fccc000 R08: 1fe2200001ba5fd9 R09: ff110000100dd158
[   24.293498][  T413] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.293700][  T413] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.293905][  T413] FS:  00007f42a8ec8840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   24.294150][  T413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.294322][  T413] CR2: 00000000066e6988 CR3: 00000000100d2003 CR4: 0000000000771ef0
[   24.294532][  T413] PKRU: 55555554
[   24.294632][  T413] Call Trace:
[   24.294733][  T413]  <TASK>
[   24.294804][  T413]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.294945][  T413]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.295048][  T413]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.295191][  T413]  __dev_notify_flags (net/core/dev.c:9787)
[   24.295329][  T413]  ? netif_change_name (net/core/dev.c:1495)
[   24.295471][  T413]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.295605][  T413]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.295739][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.295875][  T413]  ? 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))
[   24.296013][  T413]  netif_change_flags (net/core/dev.c:9820)
[   24.296158][  T413]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.296292][  T413]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.296432][  T413]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.296568][  T413]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.296735][  T413]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.296869][  T413]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.297004][  T413]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.297143][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.297279][  T413]  ? __kernel_text_address (kernel/extable.c:79)
[   24.297418][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.297556][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.297692][  T413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.297828][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.297965][  T413]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.298098][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.298239][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.298374][  T413]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.298517][  T413]  ? __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)
[   24.298653][  T413]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.298791][  T413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.298930][  T413]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.299067][  T413]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.299214][  T413]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.299351][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.299491][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.299626][  T413]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.299760][  T413]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.299895][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.300033][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.300173][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.300308][  T413]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.300446][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.300596][  T413]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.300731][  T413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.300866][  T413]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.301000][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.301140][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.301276][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.301416][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.301552][  T413]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.301686][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.301821][  T413]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.301957][  T413]  ? 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))
[   24.302094][  T413]  ? 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))
[   24.302235][  T413]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.302373][  T413]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.302513][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.302649][  T413]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.302786][  T413]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.302923][  T413]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.303064][  T413]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.303206][  T413]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.303342][  T413]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.303516][  T413]  ? move_addr_to_kernel (net/socket.c:258)
[   24.303651][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.303785][  T413]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.303921][  T413]  ___sys_sendmsg (net/socket.c:2752)
[   24.304058][  T413]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.304230][  T413]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.304377][  T413]  __sys_sendmsg (net/socket.c:2784)
[   24.304519][  T413]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.304652][  T413]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.304822][  T413]  ? 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)
[   24.304958][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.305097][  T413]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.305237][  T413]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.305372][  T413]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.305512][  T413]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.305681][  T413] RIP: 0033:0x7f42a910208e
[   24.305823][  T413] 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
[   24.306313][  T413] RSP: 002b:00007fff97ab36b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.306522][  T413] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f42a910208e
[   24.306722][  T413] RDX: 0000000000000000 RSI: 00007fff97ab3760 RDI: 0000000000000005
[   24.306921][  T413] RBP: 00007fff97ab36c0 R08: 0000000000000000 R09: 0000000000000000
[   24.307131][  T413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.307332][  T413] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff97ab3e20
| [   24.309855][   T45] ------------[ cut here ]------------
| [   24.310000][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/45
| [   24.310255][   T45] Modules linked in:
| [   24.310650][   T45] Tainted: [W]=WARN
[   24.310744][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.310900][   T45] Workqueue: events_unbound linkwatch_event
[   24.311060][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.311236][   T45] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.311692][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   24.311848][   T45] RAX: 00000000ffffffa6 RBX: ff1100000daa1c40 RCX: 1ff4000000063f02
[   24.312034][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa1cfc
[   24.312232][   T45] RBP: ff1100000fccc000 R08: 1fe2200001b543a1 R09: ff110000020051a8
[   24.312424][   T45] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.312610][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.312798][   T45] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.313109][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.313274][   T45] CR2: 00007f3f565a9574 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   24.313545][   T45] PKRU: 55555554
[   24.313638][   T45] Call Trace:
[   24.313808][   T45]  <TASK>
[   24.313876][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.314003][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.314132][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.314231][   T45]  netif_state_change (net/core/dev.c:1605)
[   24.314358][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.314608][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.314731][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.314856][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.315056][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.315185][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.315309][   T45]  process_one_work (kernel/workqueue.c:3314)
[   24.315446][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.315647][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.315776][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.315903][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.316026][   T45]  kthread (kernel/kthread.c:436)
[   24.316125][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.316279][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.316404][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.316533][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.316762][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.316887][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.317010][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.319356][   T45] ------------[ cut here ]------------
| [   24.319495][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/45
| [   24.319748][   T45] Modules linked in:
| [   24.320221][   T45] Tainted: [W]=WARN
[   24.320319][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.320563][   T45] Workqueue: events_unbound linkwatch_event
[   24.320731][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.320892][   T45] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.321369][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   24.321533][   T45] RAX: 00000000ffffffa6 RBX: ff11000009aec740 RCX: 1ff4000000063f02
[   24.321723][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aec7fc
[   24.321912][   T45] RBP: ff1100000f2cc000 R08: 1fe220000135d901 R09: ff110000020051a8
[   24.322099][   T45] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.322291][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.322488][   T45] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.322709][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.322863][   T45] CR2: 00007f3f565a9574 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   24.323048][   T45] PKRU: 55555554
[   24.323145][   T45] Call Trace:
[   24.323242][   T45]  <TASK>
[   24.323307][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.323438][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.323563][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.323658][   T45]  netif_state_change (net/core/dev.c:1605)
[   24.323783][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.323939][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.324064][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.324193][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.324320][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.324448][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.324576][   T45]  process_one_work (kernel/workqueue.c:3314)
[   24.324704][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.324827][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.324957][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.325084][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.325213][   T45]  kthread (kernel/kthread.c:436)
[   24.325306][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.325479][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.325604][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.325733][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.325893][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.326017][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.326148][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.396347][  T415] ------------[ cut here ]------------
| [   24.396531][  T415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/415
| [   24.396779][  T415] Modules linked in:
| [   24.397184][  T415] Tainted: [W]=WARN
[   24.397290][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.397469][  T415] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.397651][  T415] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.398150][  T415] RSP: 0018:ffa0000001316f40 EFLAGS: 00010286
[   24.398331][  T415] RAX: 00000000ffffffa6 RBX: ff1100000daa1e00 RCX: 1ff4000000262dae
[   24.398545][  T415] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa1ebc
[   24.398752][  T415] RBP: ff1100000f2cc000 R08: 1fe2200001b543d9 R09: ff1100000ff6d158
[   24.398960][  T415] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   24.399171][  T415] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   24.399380][  T415] FS:  00007f3de22b2840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   24.399644][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.399816][  T415] CR2: 00000000004eba78 CR3: 000000000c157001 CR4: 0000000000771ef0
[   24.400023][  T415] PKRU: 55555554
[   24.400791][  T415] Call Trace:
[   24.400901][  T415]  <TASK>
[   24.400977][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.401125][  T415]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   24.401263][  T415]  notifier_call_chain (kernel/notifier.c:85)
[   24.401406][  T415]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   24.401552][  T415]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   24.401689][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.401829][  T415]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.401968][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.402104][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.402247][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.402386][  T415]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   24.402529][  T415]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   24.402668][  T415]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   24.402810][  T415]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.402949][  T415]  do_set_master (net/core/rtnetlink.c:3011)
[   24.403092][  T415]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.403238][  T415]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   24.403378][  T415]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.403523][  T415]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.403696][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.403834][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.403971][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.404112][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.404258][  T415]  ? __kernel_text_address (kernel/extable.c:79)
[   24.404395][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.404538][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.404675][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.404816][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.404954][  T415]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.405091][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.405232][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.405370][  T415]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.405516][  T415]  ? __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)
[   24.405655][  T415]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.405792][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.405933][  T415]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.406071][  T415]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.406217][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.406360][  T415]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.406509][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.406647][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.406787][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.406927][  T415]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.407063][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.407208][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.407349][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.407493][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.407632][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.407773][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.407911][  T415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.408050][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.408196][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.408335][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.408479][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.408615][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.408752][  T415]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.408888][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.409027][  T415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.409174][  T415]  ? 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))
[   24.409312][  T415]  ? 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))
[   24.409456][  T415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.409596][  T415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.409738][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.409879][  T415]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.410018][  T415]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.410165][  T415]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.410311][  T415]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.410471][  T415]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.410610][  T415]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.410783][  T415]  ? move_addr_to_kernel (net/socket.c:258)
[   24.410922][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.411063][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.411213][  T415]  ___sys_sendmsg (net/socket.c:2752)
[   24.411351][  T415]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.411526][  T415]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.411677][  T415]  __sys_sendmsg (net/socket.c:2784)
[   24.411816][  T415]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.411959][  T415]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.412139][  T415]  ? 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)
[   24.412280][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.412424][  T415]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.412563][  T415]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.412704][  T415]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.412843][  T415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.413015][  T415] RIP: 0033:0x7f3de24ec08e
[   24.413169][  T415] 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
[   24.413673][  T415] RSP: 002b:00007ffdfbc1a7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.413899][  T415] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3de24ec08e
[   24.414109][  T415] RDX: 0000000000000000 RSI: 00007ffdfbc1a890 RDI: 0000000000000005
[   24.414323][  T415] RBP: 00007ffdfbc1a7f0 R08: 0000000000000000 R09: 0000000000000000
[   24.414534][  T415] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.414739][  T415] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfbc1af60
| [   24.417517][  T415] ------------[ cut here ]------------
| [   24.417669][  T415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/415
| [   24.417912][  T415] Modules linked in:
| [   24.418314][  T415] Tainted: [W]=WARN
[   24.418425][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.418601][  T415] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.418781][  T415] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.419289][  T415] RSP: 0018:ffa0000001316f60 EFLAGS: 00010286
[   24.419471][  T415] RAX: 00000000ffffffa6 RBX: ff1100000b89e200 RCX: 1ff4000000262db2
[   24.419680][  T415] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89e2bc
[   24.419892][  T415] RBP: ff1100000f2cc000 R08: 1fe2200001713c59 R09: ff1100000ff6d158
[   24.420102][  T415] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.420318][  T415] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e66ade0
[   24.420535][  T415] FS:  00007f3de22b2840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   24.420784][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.421057][  T415] CR2: 00000000004eba78 CR3: 000000000c157001 CR4: 0000000000771ef0
[   24.421275][  T415] PKRU: 55555554
[   24.421381][  T415] Call Trace:
[   24.421490][  T415]  <TASK>
[   24.421563][  T415]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.421797][  T415]  ? __dev_close_many (net/core/dev.c:1779)
[   24.421940][  T415]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.422048][  T415]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.422195][  T415]  __dev_notify_flags (net/core/dev.c:9787)
[   24.422431][  T415]  ? netif_change_name (net/core/dev.c:1495)
[   24.422570][  T415]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   24.422711][  T415]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.422852][  T415]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.423084][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.423233][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.423372][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.423517][  T415]  netif_change_flags (net/core/dev.c:9820)
[   24.423753][  T415]  dev_change_flags (net/core/dev_api.c:68)
[   24.423895][  T415]  cycle_netdev (drivers/net/vrf.c:1001)
[   24.424002][  T415]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   24.424147][  T415]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.424380][  T415]  do_set_master (net/core/rtnetlink.c:3011)
[   24.424530][  T415]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.424671][  T415]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   24.424812][  T415]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.425046][  T415]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.425227][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.425367][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.425513][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.425746][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.425886][  T415]  ? __kernel_text_address (kernel/extable.c:79)
[   24.426025][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.426174][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.426405][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.426551][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.426691][  T415]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.426832][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.427064][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.427210][  T415]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.427351][  T415]  ? __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)
[   24.427494][  T415]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.427725][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.427866][  T415]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.428006][  T415]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.428157][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.428392][  T415]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.428540][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.428678][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.428819][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.429052][  T415]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.429198][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.429344][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.429488][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.429718][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.429859][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.430000][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.430147][  T415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.430382][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.430526][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.430669][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.430812][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.431041][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.431189][  T415]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.431332][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.431477][  T415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.431714][  T415]  ? 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))
[   24.431857][  T415]  ? 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))
[   24.432000][  T415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.432150][  T415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.432386][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.432533][  T415]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.432677][  T415]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.432818][  T415]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.433050][  T415]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.433200][  T415]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.433339][  T415]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.433515][  T415]  ? move_addr_to_kernel (net/socket.c:258)
[   24.433749][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.433888][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.434029][  T415]  ___sys_sendmsg (net/socket.c:2752)
[   24.434171][  T415]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.434440][  T415]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.434591][  T415]  __sys_sendmsg (net/socket.c:2784)
[   24.434731][  T415]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.434870][  T415]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.435144][  T415]  ? 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)
[   24.435283][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.435428][  T415]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.435662][  T415]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.435801][  T415]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.435941][  T415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.436114][  T415] RIP: 0033:0x7f3de24ec08e
[   24.436268][  T415] 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
[   24.436772][  T415] RSP: 002b:00007ffdfbc1a7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.436983][  T415] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3de24ec08e
[   24.437197][  T415] RDX: 0000000000000000 RSI: 00007ffdfbc1a890 RDI: 0000000000000005
[   24.437406][  T415] RBP: 00007ffdfbc1a7f0 R08: 0000000000000000 R09: 0000000000000000
[   24.437620][  T415] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.437835][  T415] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfbc1af60
| [   24.439620][  T415] ------------[ cut here ]------------
| [   24.439758][  T415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/415
| [   24.439995][  T415] Modules linked in:
| [   24.440491][  T415] Tainted: [W]=WARN
[   24.440597][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.440771][  T415] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.441047][  T415] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.442192][  T415] RSP: 0018:ffa0000001316f60 EFLAGS: 00010286
[   24.442376][  T415] RAX: 00000000ffffffa6 RBX: ff1100000b89e580 RCX: 1ff4000000262db2
[   24.442589][  T415] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89e63c
[   24.442796][  T415] RBP: ff1100000f2cc000 R08: 1fe2200001713cc9 R09: ff1100000ff6d158
[   24.443004][  T415] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.443307][  T415] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e66ade0
[   24.443522][  T415] FS:  00007f3de22b2840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   24.443854][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.444028][  T415] CR2: 00000000004eba78 CR3: 000000000c157001 CR4: 0000000000771ef0
[   24.444263][  T415] PKRU: 55555554
[   24.444370][  T415] Call Trace:
[   24.444479][  T415]  <TASK>
[   24.444550][  T415]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.444690][  T415]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.444795][  T415]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.444933][  T415]  __dev_notify_flags (net/core/dev.c:9787)
[   24.445072][  T415]  ? netif_change_name (net/core/dev.c:1495)
[   24.445217][  T415]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.445360][  T415]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.445504][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.445643][  T415]  netif_change_flags (net/core/dev.c:9820)
[   24.445876][  T415]  dev_change_flags (net/core/dev_api.c:68)
[   24.446015][  T415]  cycle_netdev (drivers/net/vrf.c:1003)
[   24.446125][  T415]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   24.446267][  T415]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.446502][  T415]  do_set_master (net/core/rtnetlink.c:3011)
[   24.446644][  T415]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.446783][  T415]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   24.446924][  T415]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.447159][  T415]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.447333][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.447477][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.447614][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.447846][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.447986][  T415]  ? __kernel_text_address (kernel/extable.c:79)
[   24.448129][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.448271][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.448509][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.448648][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.448786][  T415]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.448924][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.449158][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.449298][  T415]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.449442][  T415]  ? __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)
[   24.449583][  T415]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.449813][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.449953][  T415]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.450092][  T415]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.450239][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.450477][  T415]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.450619][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.450756][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.450894][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.451130][  T415]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.451269][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.451415][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.451554][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.451786][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.451926][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.452066][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.452210][  T415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.452446][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.452586][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.452726][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.452866][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.453096][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.453243][  T415]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.453381][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.453525][  T415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.453758][  T415]  ? 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))
[   24.453900][  T415]  ? 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))
[   24.454040][  T415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.454186][  T415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.454420][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.454561][  T415]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.454700][  T415]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.454841][  T415]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.455072][  T415]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.455219][  T415]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.455359][  T415]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.455534][  T415]  ? move_addr_to_kernel (net/socket.c:258)
[   24.455764][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.455904][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.456043][  T415]  ___sys_sendmsg (net/socket.c:2752)
[   24.456188][  T415]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.456458][  T415]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.456609][  T415]  __sys_sendmsg (net/socket.c:2784)
[   24.456747][  T415]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.456884][  T415]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.457156][  T415]  ? 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)
[   24.457297][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.457440][  T415]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.457671][  T415]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.457811][  T415]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.457949][  T415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.458128][  T415] RIP: 0033:0x7f3de24ec08e
[   24.458371][  T415] 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
[   24.458866][  T415] RSP: 002b:00007ffdfbc1a7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.459175][  T415] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3de24ec08e
[   24.459382][  T415] RDX: 0000000000000000 RSI: 00007ffdfbc1a890 RDI: 0000000000000005
[   24.459685][  T415] RBP: 00007ffdfbc1a7f0 R08: 0000000000000000 R09: 0000000000000000
[   24.459895][  T415] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.460102][  T415] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfbc1af60
| [   24.462805][   T45] ------------[ cut here ]------------
| [   24.462948][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/45
| [   24.463205][   T45] Modules linked in:
| [   24.463592][   T45] Tainted: [W]=WARN
[   24.463687][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.463842][   T45] Workqueue: events_unbound linkwatch_event
[   24.464002][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.464165][   T45] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.464616][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   24.464770][   T45] RAX: 00000000ffffffa6 RBX: ff1100000b89f1c0 RCX: 1ff4000000063f02
[   24.464954][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89f27c
[   24.465157][   T45] RBP: ff1100000f2cc000 R08: 1fe2200001713e51 R09: ff110000020051a8
[   24.465341][   T45] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.465531][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.465715][   T45] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.465932][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.466090][   T45] CR2: 00007f3f565a9574 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   24.466281][   T45] PKRU: 55555554
[   24.466377][   T45] Call Trace:
[   24.466474][   T45]  <TASK>
[   24.466538][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.466661][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.466784][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.466877][   T45]  netif_state_change (net/core/dev.c:1605)
[   24.467001][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.467161][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.467286][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.467408][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.467538][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.467659][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.467782][   T45]  process_one_work (kernel/workqueue.c:3314)
[   24.467910][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.468033][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.468165][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.468292][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.468414][   T45]  kthread (kernel/kthread.c:436)
[   24.468507][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.468657][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.468790][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.468916][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.469066][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.469193][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.469314][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.470888][   T45] ------------[ cut here ]------------
| [   24.471013][   T45] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/45
| [   24.471262][   T45] Modules linked in:
| [   24.471638][   T45] Tainted: [W]=WARN
[   24.471731][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.471884][   T45] Workqueue: events_unbound linkwatch_event
[   24.472042][   T45] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.472207][   T45] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.472653][   T45] RSP: 0018:ffa000000031f9e0 EFLAGS: 00010286
[   24.472812][   T45] RAX: 00000000ffffffa6 RBX: ff1100000b89f540 RCX: 1ff4000000063f02
[   24.472994][   T45] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89f5fc
[   24.473193][   T45] RBP: ff1100000fccc000 R08: 1fe2200001713ec1 R09: ff110000020051a8
[   24.473379][   T45] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.473565][   T45] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.473749][   T45] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.473963][   T45] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.474123][   T45] CR2: 00007f3f565a9574 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   24.474307][   T45] PKRU: 55555554
[   24.474401][   T45] Call Trace:
[   24.474497][   T45]  <TASK>
[   24.474561][   T45]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.474685][   T45]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.474810][   T45]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.474906][   T45]  netif_state_change (net/core/dev.c:1605)
[   24.475034][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.475191][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.475313][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.475442][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.475568][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.475691][   T45]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.475814][   T45]  process_one_work (kernel/workqueue.c:3314)
[   24.475943][   T45]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.476064][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.476193][   T45]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.476321][   T45]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.476446][   T45]  kthread (kernel/kthread.c:436)
[   24.476538][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.476693][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.476815][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.476939][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.477091][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.477218][   T45]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.477341][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.518605][  T416] ------------[ cut here ]------------
| [   24.518746][  T416] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/416
| [   24.518983][  T416] Modules linked in:
| [   24.520108][  T416] Tainted: [W]=WARN
[   24.520254][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.520432][  T416] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.520609][  T416] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.521092][  T416] RSP: 0018:ffa0000001316ee0 EFLAGS: 00010286
[   24.521274][  T416] RAX: 00000000ffffffa6 RBX: ff1100000a094e40 RCX: 1ff4000000262da2
[   24.521487][  T416] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a094efc
[   24.521693][  T416] RBP: ff1100000fccc000 R08: 1fe22000014129e1 R09: ff1100000ff6ae58
[   24.521896][  T416] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   24.522101][  T416] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   24.522312][  T416] FS:  00007f62deb51840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   24.522554][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.522725][  T416] CR2: 00000000004eba78 CR3: 000000000d19f004 CR4: 0000000000771ef0
[   24.522931][  T416] PKRU: 55555554
[   24.523033][  T416] Call Trace:
[   24.523141][  T416]  <TASK>
[   24.523212][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.523352][  T416]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   24.523494][  T416]  notifier_call_chain (kernel/notifier.c:85)
[   24.523634][  T416]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   24.523770][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.523907][  T416]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   24.524045][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.524193][  T416]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   24.524330][  T416]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   24.524473][  T416]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   24.524610][  T416]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   24.524746][  T416]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   24.524886][  T416]  br_add_if (net/bridge/br_if.c:619)
[   24.524994][  T416]  do_set_master (net/core/rtnetlink.c:3011)
[   24.525136][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.525274][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   24.525415][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.525554][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.525726][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.525862][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.526006][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.526147][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.526284][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   24.526423][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.526564][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.526701][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.526841][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.526977][  T416]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.527115][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.527257][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.527394][  T416]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.527539][  T416]  ? __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)
[   24.527679][  T416]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.527816][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.527957][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.528094][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.528236][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.528380][  T416]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.528523][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.528662][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.528799][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.528937][  T416]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.529075][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.529219][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.529356][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.529497][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.529633][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.529771][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.529909][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.530047][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.530189][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.530326][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.530469][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.530604][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.530741][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.530879][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.531017][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.531166][  T416]  ? 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))
[   24.531304][  T416]  ? 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))
[   24.531448][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.531586][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.531725][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.531864][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.532004][  T416]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.532151][  T416]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.532290][  T416]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.532432][  T416]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.532570][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.532739][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   24.532876][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.533012][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.533158][  T416]  ___sys_sendmsg (net/socket.c:2752)
[   24.533297][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.533472][  T416]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.533620][  T416]  __sys_sendmsg (net/socket.c:2784)
[   24.533757][  T416]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.533894][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.534068][  T416]  ? 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)
[   24.534214][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.534353][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.534493][  T416]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.534630][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.534770][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.534940][  T416] RIP: 0033:0x7f62ded8b08e
[   24.535082][  T416] 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
[   24.535578][  T416] RSP: 002b:00007ffebcf0f8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.535783][  T416] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f62ded8b08e
[   24.535986][  T416] RDX: 0000000000000000 RSI: 00007ffebcf0f960 RDI: 0000000000000005
[   24.536197][  T416] RBP: 00007ffebcf0f8c0 R08: 0000000000000000 R09: 0000000000000000
[   24.536402][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.536612][  T416] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcf10030
| [   24.538410][  T416] ------------[ cut here ]------------
| [   24.538553][  T416] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/416
| [   24.538797][  T416] Modules linked in:
| [   24.539203][  T416] Tainted: [W]=WARN
[   24.539310][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.539494][  T416] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.539678][  T416] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.540193][  T416] RSP: 0018:ffa0000001316ea0 EFLAGS: 00010286
[   24.540372][  T416] RAX: 00000000ffffffa6 RBX: ff1100000979c580 RCX: 1ff4000000262d9a
[   24.540590][  T416] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979c63c
[   24.540803][  T416] RBP: ff1100000fccc000 R08: 1fe22000012f38c9 R09: ff1100000ff6ae58
[   24.541023][  T416] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   24.541238][  T416] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c512dc0
[   24.541456][  T416] FS:  00007f62deb51840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.541705][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.541886][  T416] CR2: 00007f3f565a9574 CR3: 000000000d19f004 CR4: 0000000000771ef0
[   24.542101][  T416] PKRU: 55555554
[   24.542213][  T416] Call Trace:
[   24.542320][  T416]  <TASK>
[   24.542394][  T416]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.542546][  T416]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.542656][  T416]  __dev_notify_flags (net/core/dev.c:9787)
[   24.542801][  T416]  ? netdev_notice (net/core/dev.c:13008)
[   24.542949][  T416]  ? netif_change_name (net/core/dev.c:1495)
[   24.543092][  T416]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   24.543274][  T416]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   24.543424][  T416]  __dev_set_promiscuity (net/core/dev.c:9630)
[   24.543569][  T416]  netif_set_promiscuity (net/core/dev.c:9639)
[   24.543711][  T416]  dev_set_promiscuity (net/core/dev_api.c:288)
[   24.543856][  T416]  br_port_set_promisc (net/bridge/br_if.c:108)
[   24.544001][  T416]  br_manage_promisc (net/bridge/br_if.c:174)
[   24.544150][  T416]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   24.544295][  T416]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   24.544406][  T416]  do_set_master (net/core/rtnetlink.c:3011)
[   24.544555][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.544699][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   24.544845][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.544994][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.545178][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.545320][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.545466][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.545607][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.545748][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   24.545891][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.546036][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.546185][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.546327][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.546475][  T416]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.546618][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.546760][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.546902][  T416]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.547046][  T416]  ? __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)
[   24.547194][  T416]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.547336][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.547485][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.547626][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.547770][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.547915][  T416]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.548061][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.548211][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.548355][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.548502][  T416]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.548647][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.548794][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.548936][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.549079][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.549231][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.549375][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.549524][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.549666][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.549807][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.549950][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.550095][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.550240][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.550386][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.550533][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.550676][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.550825][  T416]  ? 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))
[   24.550967][  T416]  ? 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))
[   24.551112][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.551265][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.551410][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.551559][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.551703][  T416]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.551848][  T416]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.551994][  T416]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.552143][  T416]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.552285][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.552465][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   24.552611][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.552753][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.552896][  T416]  ___sys_sendmsg (net/socket.c:2752)
[   24.553038][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.553220][  T416]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.553376][  T416]  __sys_sendmsg (net/socket.c:2784)
[   24.553523][  T416]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.553669][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.553848][  T416]  ? 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)
[   24.553991][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.554137][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.554280][  T416]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.554426][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.554571][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.554751][  T416] RIP: 0033:0x7f62ded8b08e
[   24.554900][  T416] 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
[   24.555410][  T416] RSP: 002b:00007ffebcf0f8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.555627][  T416] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f62ded8b08e
[   24.555841][  T416] RDX: 0000000000000000 RSI: 00007ffebcf0f960 RDI: 0000000000000005
[   24.556053][  T416] RBP: 00007ffebcf0f8c0 R08: 0000000000000000 R09: 0000000000000000
[   24.556270][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.556486][  T416] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcf10030
| [   24.559002][  T416] ------------[ cut here ]------------
| [   24.559150][  T416] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/416
| [   24.559380][  T416] Modules linked in:
| [   24.559758][  T416] Tainted: [W]=WARN
[   24.559858][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.560025][  T416] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.560204][  T416] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.560688][  T416] RSP: 0018:ffa0000001317000 EFLAGS: 00010286
[   24.560858][  T416] RAX: 00000000ffffffa6 RBX: ff1100000da34c80 RCX: 1ff4000000262dc6
[   24.561056][  T416] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da34d3c
[   24.561261][  T416] RBP: ff1100000c512000 R08: 1fe2200001b469a9 R09: ff1100000ff6ae58
[   24.561467][  T416] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.561665][  T416] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   24.561866][  T416] FS:  00007f62deb51840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.562099][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.562272][  T416] CR2: 00007f3f565a9574 CR3: 000000000d19f004 CR4: 0000000000771ef0
[   24.562479][  T416] PKRU: 55555554
[   24.562582][  T416] Call Trace:
[   24.562684][  T416]  <TASK>
[   24.562753][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.562889][  T416]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   24.563024][  T416]  notifier_call_chain (kernel/notifier.c:85)
[   24.563168][  T416]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   24.563303][  T416]  ? __dev_open (./include/net/netdev_lock.h:33)
[   24.563443][  T416]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   24.563579][  T416]  br_add_if (net/bridge/br_if.c:679)
[   24.563688][  T416]  do_set_master (net/core/rtnetlink.c:3011)
[   24.563822][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.563957][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   24.564094][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.564233][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.564400][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.564539][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.564675][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.564809][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.564943][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   24.565077][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.565220][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.565353][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.565492][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.565629][  T416]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.565763][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.565897][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.566030][  T416]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.566170][  T416]  ? __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)
[   24.566307][  T416]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.566448][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.566583][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.566721][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.566859][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.566996][  T416]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.567138][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.567272][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.567405][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.567543][  T416]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.567676][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.567815][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.567948][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.568081][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.568222][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.568368][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.568507][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.568642][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.568779][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.568914][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.569051][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.569193][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.569328][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.569468][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.569605][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.569744][  T416]  ? 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))
[   24.569882][  T416]  ? 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))
[   24.570019][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.570160][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.570294][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.570433][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.570569][  T416]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.570705][  T416]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.570842][  T416]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.570978][  T416]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.571114][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.571287][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   24.571428][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.571564][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.571700][  T416]  ___sys_sendmsg (net/socket.c:2752)
[   24.571834][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.572004][  T416]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.572156][  T416]  __sys_sendmsg (net/socket.c:2784)
[   24.572291][  T416]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.572430][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.572602][  T416]  ? 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)
[   24.572739][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.572875][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.573012][  T416]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.573152][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.573286][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.573456][  T416] RIP: 0033:0x7f62ded8b08e
[   24.573596][  T416] 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
[   24.574076][  T416] RSP: 002b:00007ffebcf0f8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.574285][  T416] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f62ded8b08e
[   24.574490][  T416] RDX: 0000000000000000 RSI: 00007ffebcf0f960 RDI: 0000000000000005
[   24.574692][  T416] RBP: 00007ffebcf0f8c0 R08: 0000000000000000 R09: 0000000000000000
[   24.574897][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.575098][  T416] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcf10030
| [   24.576753][  T416] ------------[ cut here ]------------
| [   24.576884][  T416] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/416
| [   24.577114][  T416] Modules linked in:
| [   24.577497][  T416] Tainted: [W]=WARN
[   24.577601][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.577769][  T416] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.577942][  T416] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.578970][  T416] RSP: 0018:ffa0000001316f78 EFLAGS: 00010286
[   24.579201][  T416] RAX: 00000000ffffffa6 RBX: ff1100000da34740 RCX: 1ff4000000262db5
[   24.579403][  T416] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da347fc
[   24.579607][  T416] RBP: ff1100000c512000 R08: 1fe2200001b46901 R09: ff1100000ff6ae58
[   24.579808][  T416] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.580011][  T416] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   24.580272][  T416] FS:  00007f62deb51840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   24.580510][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.580677][  T416] CR2: 00007f3f565a9574 CR3: 000000000d19f004 CR4: 0000000000771ef0
[   24.580879][  T416] PKRU: 55555554
[   24.580981][  T416] Call Trace:
[   24.581140][  T416]  <TASK>
[   24.581210][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.581345][  T416]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   24.581482][  T416]  notifier_call_chain (kernel/notifier.c:85)
[   24.581619][  T416]  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)
[   24.581791][  T416]  ? netdev_change_features (net/core/dev.c:11117)
[   24.581929][  T416]  ? 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)
[   24.582066][  T416]  br_add_if (net/bridge/br_if.c:683)
[   24.582227][  T416]  do_set_master (net/core/rtnetlink.c:3011)
[   24.582362][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.582503][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   24.582638][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.582775][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.582943][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.583079][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.583270][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.583404][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.583544][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   24.583679][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.583814][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.583950][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.584087][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.584277][  T416]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.584417][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.584551][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.584685][  T416]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.584821][  T416]  ? __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)
[   24.584955][  T416]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.585091][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.585282][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.585418][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.585557][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.585695][  T416]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.585834][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.585968][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.586103][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.586296][  T416]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.586435][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.586572][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.586705][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.586842][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.586977][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.587114][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.587307][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.587445][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.587580][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.587714][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.587850][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.587984][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.588177][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.588312][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.588468][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.588606][  T416]  ? 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))
[   24.588740][  T416]  ? 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))
[   24.588877][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.589013][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.589203][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.589340][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.589479][  T416]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.589618][  T416]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.589754][  T416]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.589888][  T416]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.590023][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.590245][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   24.590381][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.590519][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.590655][  T416]  ___sys_sendmsg (net/socket.c:2752)
[   24.590789][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.590957][  T416]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.591106][  T416]  __sys_sendmsg (net/socket.c:2784)
[   24.591297][  T416]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.591435][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.591604][  T416]  ? 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)
[   24.591741][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.591879][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.592016][  T416]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.592208][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.592343][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.592513][  T416] RIP: 0033:0x7f62ded8b08e
[   24.592651][  T416] 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
[   24.593187][  T416] RSP: 002b:00007ffebcf0f8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.593389][  T416] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f62ded8b08e
[   24.593596][  T416] RDX: 0000000000000000 RSI: 00007ffebcf0f960 RDI: 0000000000000005
[   24.593799][  T416] RBP: 00007ffebcf0f8c0 R08: 0000000000000000 R09: 0000000000000000
[   24.594000][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e310
[   24.594259][  T416] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcf10030
| [   28.820055][   T67] ------------[ cut here ]------------
| [   28.820271][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   28.820566][   T67] Modules linked in:
| [   28.821024][   T67] Tainted: [W]=WARN
[   28.821174][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.821369][   T67] Workqueue: netns cleanup_net
[   28.821557][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.821772][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.822340][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   28.822611][   T67] RAX: 00000000ffffffa6 RBX: ff1100000ba2d8c0 RCX: 1ff4000000090eed
[   28.822913][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba2d97c
[   28.823224][   T67] RBP: ff110000088e9000 R08: 1fe2200001745b31 R09: ff110000091a8bd0
[   28.823526][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.823803][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.824093][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   28.824390][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.824594][   T67] CR2: 00007fa0a4a017d0 CR3: 00000000105a7004 CR4: 0000000000771ef0
[   28.824823][   T67] PKRU: 55555554
[   28.824959][   T67] Call Trace:
[   28.825095][   T67]  <TASK>
[   28.825218][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.825420][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.825622][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   28.825791][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   28.825961][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.826144][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   28.826313][   T67]  ? 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)
[   28.826491][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   28.826661][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.826828][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.826996][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.827179][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.827352][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.827533][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.827700][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.827870][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.828035][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.828220][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.828391][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.828563][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.828740][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.828909][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.829077][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.829259][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.829433][   T67]  kthread (kernel/kthread.c:436)
[   28.829573][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.829771][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.829938][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.830111][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.830323][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.830500][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.830667][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.833457][   T67] ------------[ cut here ]------------
| [   28.833627][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   28.833906][   T67] Modules linked in:
| [   28.834508][   T67] Tainted: [W]=WARN
[   28.834695][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.834940][   T67] Workqueue: netns cleanup_net
[   28.835174][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.835485][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.835998][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   28.836209][   T67] RAX: 00000000ffffffa6 RBX: ff110000029bb380 RCX: 1ff4000000090eed
[   28.836436][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bb43c
[   28.836673][   T67] RBP: ff1100000a35c000 R08: 1fe2200000537689 R09: ff110000091a8bd0
[   28.836898][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.837132][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.837358][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   28.837618][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.837833][   T67] CR2: 00007fa0a4a017d0 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   28.838058][   T67] PKRU: 55555554
[   28.838206][   T67] Call Trace:
[   28.838342][   T67]  <TASK>
[   28.838459][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.838663][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.838855][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   28.839028][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   28.839210][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.839455][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   28.839698][   T67]  ? 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)
[   28.839867][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   28.840105][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.840353][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.840526][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.840770][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.840938][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.841103][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.841421][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.841599][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.841767][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.841935][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.842261][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.842437][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.842611][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.842777][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.842944][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.843109][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.843362][   T67]  kthread (kernel/kthread.c:436)
[   28.843505][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.843712][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.843881][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.844050][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.844330][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.844604][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.844797][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.847868][   T67] ------------[ cut here ]------------
| [   28.848034][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   28.848682][   T67] Modules linked in:
| [   28.849257][   T67] Tainted: [W]=WARN
[   28.849446][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.849687][   T67] Workqueue: netns cleanup_net
[   28.849906][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.850173][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.850690][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   28.850931][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de06900 RCX: 1ff4000000090eed
[   28.851212][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de069bc
[   28.851489][   T67] RBP: ff11000008581000 R08: 1fe2200001bc0d39 R09: ff110000091a8bd0
[   28.851755][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.852021][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.852305][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   28.852618][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.852861][   T67] CR2: 00007fa0a4a017d0 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   28.853146][   T67] PKRU: 55555554
[   28.853326][   T67] Call Trace:
[   28.853512][   T67]  <TASK>
[   28.853670][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.853918][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.854171][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   28.854383][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   28.854610][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.854822][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   28.855034][   T67]  ? 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)
[   28.855265][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   28.855485][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.855728][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.855981][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.856271][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.856537][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.856794][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.857052][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.857320][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.857588][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.857817][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.857985][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.858166][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.858337][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.858516][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.858682][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.858854][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.859018][   T67]  kthread (kernel/kthread.c:436)
[   28.859167][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.859362][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.859538][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.859707][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.859974][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.860164][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.860363][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.863855][   T67] ------------[ cut here ]------------
| [   28.864049][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   28.864421][   T67] Modules linked in:
| [   28.864973][   T67] Tainted: [W]=WARN
[   28.865111][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.865350][   T67] Workqueue: netns cleanup_net
[   28.865544][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.865780][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.866565][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   28.866795][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de07380 RCX: 1ff4000000090eed
[   28.867060][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de0743c
[   28.867411][   T67] RBP: ff110000083ac000 R08: 1fe2200001bc0e89 R09: ff110000091a8bd0
[   28.867681][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.867951][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.868299][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   28.868617][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.868963][   T67] CR2: 00007ff8c1946430 CR3: 0000000005097003 CR4: 0000000000771ef0
[   28.869349][   T67] PKRU: 55555554
[   28.869492][   T67] Call Trace:
[   28.869625][   T67]  <TASK>
[   28.869720][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.869950][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.870297][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   28.870483][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   28.870664][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.870842][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   28.871024][   T67]  ? 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)
[   28.871317][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   28.871507][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.871686][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.871863][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.872044][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.872351][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.872542][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.872721][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.872906][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.873087][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.873377][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.873571][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.873750][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.873942][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.874392][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.874575][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.874756][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.874935][   T67]  kthread (kernel/kthread.c:436)
[   28.875072][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.875451][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.875633][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.875821][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.876048][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.876377][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.876562][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.886283][   T67] ------------[ cut here ]------------
| [   28.886418][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   28.886657][   T67] Modules linked in:
| [   28.887031][   T67] Tainted: [W]=WARN
[   28.887167][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.887316][   T67] Workqueue: netns cleanup_net
[   28.887446][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.887601][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.888027][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   28.888184][   T67] RAX: 00000000ffffffa6 RBX: ff1100000979da80 RCX: 1ff4000000090eed
[   28.888358][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979db3c
[   28.888538][   T67] RBP: ff11000001dd4000 R08: 1fe22000012f3b69 R09: ff110000091a8bd0
[   28.888714][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.888891][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.889067][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   28.889278][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.889423][   T67] CR2: 00007ffe8f10fe48 CR3: 0000000010162006 CR4: 0000000000771ef0
[   28.889605][   T67] PKRU: 55555554
[   28.889692][   T67] Call Trace:
[   28.889780][   T67]  <TASK>
[   28.889842][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.889992][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.890144][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   28.890264][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   28.890385][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.890506][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   28.890627][   T67]  ? 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)
[   28.890746][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   28.890864][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.890981][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.891098][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.891219][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.891339][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.891463][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.891580][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.891701][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.891819][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.891940][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.892063][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.892185][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.892308][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.892430][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.892550][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.892668][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.892786][   T67]  kthread (kernel/kthread.c:436)
[   28.892874][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.893023][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.893148][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.893267][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.893415][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.893540][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.893659][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.906373][   T67] ------------[ cut here ]------------
| [   28.906514][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   28.906768][   T67] Modules linked in:
| [   28.907153][   T67] Tainted: [W]=WARN
[   28.907247][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.907405][   T67] Workqueue: netns cleanup_net
[   28.907539][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.907702][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.908155][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   28.908310][   T67] RAX: 00000000ffffffa6 RBX: ff1100000da22ac0 RCX: 1ff4000000090eaf
[   28.908500][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da22b7c
[   28.908694][   T67] RBP: ff110000109e1000 R08: 1fe2200001b44571 R09: ff110000091a8bd0
[   28.908883][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   28.909066][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f29000
[   28.909255][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   28.909476][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.909632][   T67] CR2: 00007ffe8f10fe48 CR3: 0000000010162006 CR4: 0000000000771ef0
[   28.909820][   T67] PKRU: 55555554
[   28.909913][   T67] Call Trace:
[   28.910004][   T67]  <TASK>
[   28.910070][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.910202][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.910299][   T67]  netif_close_many (net/core/dev.c:1804)
[   28.910424][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.910561][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.910684][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.910808][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   28.910931][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   28.911088][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   28.911255][   T67]  ? 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)
[   28.911379][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.911539][   T67]  ? 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)
[   28.911662][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.911788][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.911945][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   28.912073][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   28.912257][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   28.912388][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   28.912570][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.912696][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   28.912825][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.912950][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.913076][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.913259][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.913441][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.913569][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.913693][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.913817][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.913942][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.914068][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.914248][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.914385][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.914518][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.914690][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.914815][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.914940][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.915061][   T67]  kthread (kernel/kthread.c:436)
[   28.915205][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.915360][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.915493][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.915621][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.915774][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.915897][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.916019][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.918826][   T67] ------------[ cut here ]------------
| [   28.918956][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   28.919531][   T67] Modules linked in:
| [   28.919908][   T67] Tainted: [W]=WARN
[   28.920002][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.920206][   T67] Workqueue: netns cleanup_net
[   28.920336][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.920505][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.920947][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   28.921104][   T67] RAX: 00000000ffffffa6 RBX: ff11000009258c80 RCX: 1ff4000000090eaf
[   28.921361][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009258d3c
[   28.921556][   T67] RBP: ff11000004f29000 R08: 1fe220000124b1a9 R09: ff110000091a8bd0
[   28.921741][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   28.921923][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008fd9000
[   28.922113][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   28.922417][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.922576][   T67] CR2: 00007ffe8f10fe48 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   28.922765][   T67] PKRU: 55555554
[   28.922859][   T67] Call Trace:
[   28.922952][   T67]  <TASK>
[   28.923017][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.923203][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.923329][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.923428][   T67]  netif_close_many (net/core/dev.c:1804)
[   28.923552][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.923673][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.923797][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.923922][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   28.924049][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   28.924260][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   28.924417][   T67]  ? 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)
[   28.924546][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.924701][   T67]  ? 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)
[   28.924832][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.924963][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.925201][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   28.925332][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   28.925462][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   28.925586][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   28.925710][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.925835][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   28.925960][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.926082][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.926268][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.926392][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.926522][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.926649][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.926771][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.926897][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.927019][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.927223][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.927354][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.927481][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.927609][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.927733][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.927856][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.927982][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.928104][   T67]  kthread (kernel/kthread.c:436)
[   28.928260][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.928414][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.928541][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.928664][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.928817][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.928941][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.929065][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.932550][   T67] ------------[ cut here ]------------
| [   28.932679][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   28.932922][   T67] Modules linked in:
| [   28.933330][   T67] Tainted: [W]=WARN
[   28.933423][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.933585][   T67] Workqueue: netns cleanup_net
[   28.933712][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.933870][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.934316][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   28.934476][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d962200 RCX: 1ff4000000090eaf
[   28.934667][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9622bc
[   28.934870][   T67] RBP: ff11000008fd9000 R08: 1fe2200001b2c459 R09: ff110000091a8bd0
[   28.935070][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   28.935259][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   28.935448][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   28.935662][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.935815][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   28.935999][   T67] PKRU: 55555554
[   28.936094][   T67] Call Trace:
[   28.936190][   T67]  <TASK>
[   28.936256][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.936378][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.936506][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.936600][   T67]  netif_close_many (net/core/dev.c:1804)
[   28.936722][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.936842][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.936965][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.937089][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   28.937274][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   28.937462][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   28.937618][   T67]  ? 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)
[   28.937740][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.937892][   T67]  ? 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)
[   28.938015][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.938145][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.938300][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   28.938428][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   28.938554][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   28.938677][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   28.938800][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.938925][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   28.939052][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.939182][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.939303][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.939429][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.939555][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.939676][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.939798][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.939922][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.940045][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.940175][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.940303][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.940428][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.940556][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.940680][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.940801][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.940927][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.941047][   T67]  kthread (kernel/kthread.c:436)
[   28.941152][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.941304][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.941433][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.941557][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.941708][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.941832][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.941956][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.944982][   T67] ------------[ cut here ]------------
| [   28.945136][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   28.945377][   T67] Modules linked in:
| [   28.945741][   T67] Tainted: [W]=WARN
[   28.945829][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.945978][   T67] Workqueue: netns cleanup_net
[   28.946102][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.946263][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.946690][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   28.946841][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a094900 RCX: 1ff4000000090ed5
[   28.947016][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0949bc
[   28.947201][   T67] RBP: ff110000109e1000 R08: 1fe2200001412939 R09: ff110000091a8bd0
[   28.947375][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   28.947556][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.947732][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   28.947941][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.948091][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   28.948275][   T67] PKRU: 55555554
[   28.948366][   T67] Call Trace:
[   28.948457][   T67]  <TASK>
[   28.948520][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.948676][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.948823][   T67]  ? 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)
[   28.948940][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.949059][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.949217][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   28.949340][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   28.949463][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   28.949582][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.949703][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   28.949823][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.949941][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.950058][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.950185][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.950304][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.950422][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.950543][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.950662][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.950779][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.950899][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.951022][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.951149][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.951272][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.951392][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.951515][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.951635][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.951752][   T67]  kthread (kernel/kthread.c:436)
[   28.951842][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.951988][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.952108][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.952231][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.952378][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.952500][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.952619][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.957415][   T67] ------------[ cut here ]------------
| [   28.957555][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   28.957804][   T67] Modules linked in:
| [   28.958199][   T67] Tainted: [W]=WARN
[   28.958296][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.958463][   T67] Workqueue: netns cleanup_net
[   28.958595][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.958761][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.959342][   T67] RSP: 0018:ffa00000004875c8 EFLAGS: 00010286
[   28.959512][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a14fc40 RCX: 1ff4000000090e7f
[   28.959702][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14fcfc
[   28.959891][   T67] RBP: ff1100000c512000 R08: 1fe2200001429fa1 R09: ff110000091a8bd0
[   28.960081][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   28.960282][   T67] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   28.960481][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   28.960709][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.960870][   T67] CR2: 00007ffe8f10fe48 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   28.961066][   T67] PKRU: 55555554
[   28.961171][   T67] Call Trace:
[   28.961269][   T67]  <TASK>
[   28.961336][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.961470][   T67]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   28.961600][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   28.961732][   T67]  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)
[   28.961894][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.962022][   T67]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.962162][   T67]  ? netdev_change_features (net/core/dev.c:11117)
[   28.962293][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.962422][   T67]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.962558][   T67]  br_del_if (net/bridge/br_if.c:737)
[   28.962658][   T67]  br_device_event (net/bridge/br.c:127)
[   28.962791][   T67]  ? packet_sendmsg_spkt (af_packet.c:?)
[   28.962923][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   28.963056][   T67]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   28.963231][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.963391][   T67]  ? 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)
[   28.963523][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.963652][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.963817][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   28.963946][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   28.964079][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   28.964216][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.964347][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   28.964481][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.964609][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.964738][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.964867][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.965000][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.965131][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.965260][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.965390][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.965522][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.965651][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.965784][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.965912][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.966048][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.966186][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.966314][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.966449][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.966579][   T67]  kthread (kernel/kthread.c:436)
[   28.966676][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.966838][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.966969][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.967097][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.967263][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.967392][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.967529][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.969041][   T67] ------------[ cut here ]------------
| [   28.969160][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   28.969399][   T67] Modules linked in:
| [   28.969766][   T67] Tainted: [W]=WARN
[   28.969861][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.970019][   T67] Workqueue: netns cleanup_net
[   28.970151][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.970305][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.970737][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   28.970885][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a14f540 RCX: 1ff4000000090ed5
[   28.971062][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a14f5fc
[   28.971246][   T67] RBP: ff11000004f29000 R08: 1fe2200001429ec1 R09: ff110000091a8bd0
[   28.971430][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.971609][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.971788][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   28.971995][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.972154][   T67] CR2: 00007ffe8f10fe48 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   28.972332][   T67] PKRU: 55555554
[   28.972421][   T67] Call Trace:
[   28.972515][   T67]  <TASK>
[   28.972577][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.972730][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.972891][   T67]  ? 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)
[   28.973012][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.973136][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.973288][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   28.973414][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   28.973539][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   28.973662][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.973785][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   28.973905][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.974026][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.974151][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.974272][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.974392][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.974517][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.974634][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.974754][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.974875][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.974996][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.975125][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.975244][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.975368][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.975492][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.975611][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.975731][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.975853][   T67]  kthread (kernel/kthread.c:436)
[   28.975944][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.976097][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.976225][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.976346][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.976498][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.976617][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.976737][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.985599][   T67] ------------[ cut here ]------------
| [   28.985726][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   28.985963][   T67] Modules linked in:
| [   28.986331][   T67] Tainted: [W]=WARN
[   28.986420][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.986572][   T67] Workqueue: netns cleanup_net
[   28.986695][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.986850][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.987920][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   28.988076][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de06040 RCX: 1ff4000000090ed5
[   28.988303][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de060fc
[   28.988540][   T67] RBP: ff11000008fd9000 R08: 1fe2200001bc0c21 R09: ff110000091a8bd0
[   28.988720][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.988898][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.989078][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   28.989337][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.989493][   T67] CR2: 00007ffe8f10fe48 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   28.989673][   T67] PKRU: 55555554
[   28.989762][   T67] Call Trace:
[   28.989852][   T67]  <TASK>
[   28.989914][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.990067][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.990263][   T67]  ? 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)
[   28.990382][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.990510][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.990661][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   28.990780][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   28.990898][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   28.991016][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.991194][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   28.991315][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.991437][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   28.991555][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.991674][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.991794][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   28.991912][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.992029][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   28.992198][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.992317][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.992439][   T67]  process_one_work (kernel/workqueue.c:3314)
[   28.992561][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   28.992679][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.992803][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   28.992924][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.993044][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.993214][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   28.993335][   T67]  kthread (kernel/kthread.c:436)
[   28.993430][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.993579][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.993698][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.993816][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   28.993964][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.994083][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   28.994251][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.044763][   T67] ------------[ cut here ]------------
| [   29.044903][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   29.045158][   T67] Modules linked in:
| [   29.045526][   T67] Tainted: [W]=WARN
[   29.045615][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.045764][   T67] Workqueue: netns cleanup_net
[   29.045888][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.046045][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.046494][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.046642][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c0db1c0 RCX: 1ff4000000090eed
[   29.046826][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0db27c
[   29.047001][   T67] RBP: ff1100000f759000 R08: 1fe220000181b651 R09: ff110000091a8bd0
[   29.047185][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.047360][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.047542][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.047751][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.047899][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   29.048075][   T67] PKRU: 55555554
[   29.048172][   T67] Call Trace:
[   29.048260][   T67]  <TASK>
[   29.048322][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.048483][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.048627][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.048746][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.048866][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.048983][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.049102][   T67]  ? 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)
[   29.049229][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.049350][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.049472][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.049593][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.049711][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.049829][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.049947][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.050064][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.050239][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.050363][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.050488][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.050609][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.050727][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.050844][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.050963][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.051079][   T67]  kthread (kernel/kthread.c:436)
[   29.051202][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.051353][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.051477][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.051595][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.051742][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.051860][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.051977][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.064107][   T67] ------------[ cut here ]------------
| [   29.064522][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   29.064764][   T67] Modules linked in:
| [   29.065132][   T67] Tainted: [W]=WARN
[   29.065224][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.065374][   T67] Workqueue: netns cleanup_net
[   29.065502][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.065703][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.066156][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.066311][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c0da580 RCX: 1ff4000000090eed
[   29.066491][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0da63c
[   29.066669][   T67] RBP: ff1100000f104000 R08: 1fe220000181b4c9 R09: ff110000091a8bd0
[   29.066843][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.067017][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.067210][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.067423][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.067577][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   29.067754][   T67] PKRU: 55555554
[   29.067841][   T67] Call Trace:
[   29.067935][   T67]  <TASK>
[   29.067997][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.068157][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.068307][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.068432][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.068551][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.068667][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.068785][   T67]  ? 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)
[   29.068902][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.069020][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.069143][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.069265][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.069383][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.069506][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.069624][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.069741][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.069861][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.069984][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.070103][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.070233][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.070351][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.070472][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.070590][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.070705][   T67]  kthread (kernel/kthread.c:436)
[   29.070793][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.070941][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.071060][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.071233][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.071379][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.071499][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.071616][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.080070][   T67] ------------[ cut here ]------------
| [   29.080348][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   29.080600][   T67] Modules linked in:
| [   29.080958][   T67] Tainted: [W]=WARN
[   29.081046][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.081284][   T67] Workqueue: netns cleanup_net
[   29.081410][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.081567][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.081996][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.082198][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c0dae40 RCX: 1ff4000000090eed
[   29.082370][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0daefc
[   29.082552][   T67] RBP: ff1100000e721000 R08: 1fe220000181b5e1 R09: ff110000091a8bd0
[   29.082726][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.082901][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.083075][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.083327][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.083478][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   29.083653][   T67] PKRU: 55555554
[   29.083740][   T67] Call Trace:
[   29.083826][   T67]  <TASK>
[   29.083887][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.084036][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.084226][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.084346][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.084468][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.084588][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.084705][   T67]  ? 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)
[   29.084823][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.084941][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.085055][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.085224][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.085343][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.085462][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.085580][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.085697][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.085818][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.085938][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.086053][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.086225][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.086344][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.086465][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.086583][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.086698][   T67]  kthread (kernel/kthread.c:436)
[   29.086786][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.086934][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.087050][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.087219][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.087364][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.087484][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.087602][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.090151][   T67] ------------[ cut here ]------------
| [   29.090340][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   29.090687][   T67] Modules linked in:
| [   29.091223][   T67] Tainted: [W]=WARN
[   29.091352][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.091569][   T67] Workqueue: netns cleanup_net
[   29.091749][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.091974][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.092617][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.092838][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c0daac0 RCX: 1ff4000000090eed
[   29.093100][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0dab7c
[   29.093368][   T67] RBP: ff1100000bbb9000 R08: 1fe220000181b571 R09: ff110000091a8bd0
[   29.093638][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.093898][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.094154][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.094463][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.094691][   T67] CR2: 00007febbe607574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.094957][   T67] PKRU: 55555554
[   29.095086][   T67] Call Trace:
[   29.095220][   T67]  <TASK>
[   29.095308][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.095531][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.095743][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.095913][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.096089][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.096271][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.096449][   T67]  ? 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)
[   29.096622][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.096798][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.096968][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.097161][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.097333][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.097519][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.097701][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.097877][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.098057][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.098251][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.098435][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.098621][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.098802][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.098978][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.099167][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.099343][   T67]  kthread (kernel/kthread.c:436)
[   29.099481][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.099702][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.099880][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.100059][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.100289][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.100468][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.100645][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.103754][   T67] ------------[ cut here ]------------
| [   29.103934][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   29.104292][   T67] Modules linked in:
| [   29.104832][   T67] Tainted: [W]=WARN
[   29.104967][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.105198][   T67] Workqueue: netns cleanup_net
[   29.105384][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.105617][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.106249][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.106482][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de99700 RCX: 1ff4000000090eed
[   29.106749][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de997bc
[   29.107020][   T67] RBP: ff11000005b9c000 R08: 1fe2200001bd32f9 R09: ff110000091a8bd0
[   29.107297][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.107570][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.107840][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.108165][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.108393][   T67] CR2: 00007febbe607574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.108666][   T67] PKRU: 55555554
[   29.108801][   T67] Call Trace:
[   29.108930][   T67]  <TASK>
[   29.109020][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.109255][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.109477][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.109653][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.109830][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.110002][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.110187][   T67]  ? 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)
[   29.110367][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.110548][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.110719][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.110904][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.111082][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.111266][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.111447][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.111621][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.111799][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.111981][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.112170][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.112356][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.112536][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.112710][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.112890][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.113064][   T67]  kthread (kernel/kthread.c:436)
[   29.113205][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.113421][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.113603][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.113810][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.114028][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.114214][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.114391][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.136155][   T67] ------------[ cut here ]------------
| [   29.136358][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   29.136730][   T67] Modules linked in:
| [   29.137386][   T67] Tainted: [W]=WARN
[   29.137533][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.137766][   T67] Workqueue: netns cleanup_net
[   29.137959][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.138292][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.139046][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.139366][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de98040 RCX: 1ff4000000090eaf
[   29.139655][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de980fc
[   29.139931][   T67] RBP: ff1100000fda4000 R08: 1fe2200001bd3021 R09: ff110000091a8bd0
[   29.140308][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   29.140597][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008fc1000
[   29.140876][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.141270][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.141507][   T67] CR2: 00007febbe607574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.141782][   T67] PKRU: 55555554
[   29.141923][   T67] Call Trace:
[   29.142064][   T67]  <TASK>
[   29.142245][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.142433][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.142551][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.142677][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.142802][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.142929][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.143055][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.143351][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.143522][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.143678][   T67]  ? 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)
[   29.143804][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.143958][   T67]  ? 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)
[   29.144083][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.144277][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.144440][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.144582][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.144707][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.144833][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.144961][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.145090][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.145297][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.145421][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.145555][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.145683][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.145807][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.145934][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.146058][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.146237][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.146365][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.146496][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.146624][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.146750][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.146873][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.146998][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.147175][   T67]  kthread (kernel/kthread.c:436)
[   29.147270][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.147428][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.147553][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.147680][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.147835][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.147959][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.148085][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.151073][   T67] ------------[ cut here ]------------
| [   29.151213][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   29.151461][   T67] Modules linked in:
| [   29.151850][   T67] Tainted: [W]=WARN
[   29.151943][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.152100][   T67] Workqueue: netns cleanup_net
[   29.152237][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.152398][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.152848][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.153007][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c15c200 RCX: 1ff4000000090eaf
[   29.153202][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c15c2bc
[   29.153391][   T67] RBP: ff11000008fc1000 R08: 1fe220000182b859 R09: ff110000091a8bd0
[   29.153581][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   29.153765][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc34000
[   29.153953][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.154231][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.154391][   T67] CR2: 00007febbe607574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.154584][   T67] PKRU: 55555554
[   29.154678][   T67] Call Trace:
[   29.154771][   T67]  <TASK>
[   29.154836][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.154960][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.155086][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.155239][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.155364][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.155494][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.155617][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.155742][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.155867][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.156025][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.156242][   T67]  ? 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)
[   29.156419][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.156580][   T67]  ? 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)
[   29.156705][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.156828][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.156982][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.157110][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.157294][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.157418][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.157554][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.157680][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.157805][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.157929][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.158055][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.158235][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.158363][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.158497][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.158620][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.158746][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.158876][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.159001][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.159181][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.159308][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.159438][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.159565][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.159690][   T67]  kthread (kernel/kthread.c:436)
[   29.159785][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.159939][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.160063][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.160238][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.160395][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.160526][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.160650][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.169836][   T67] ------------[ cut here ]------------
| [   29.169978][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   29.170232][   T67] Modules linked in:
| [   29.170618][   T67] Tainted: [W]=WARN
[   29.170713][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.170868][   T67] Workqueue: netns cleanup_net
[   29.170996][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.171162][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.171609][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.171765][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c2d9540 RCX: 1ff4000000090eaf
[   29.171950][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d95fc
[   29.172141][   T67] RBP: ff1100000fc34000 R08: 1fe220000185b2c1 R09: ff110000091a8bd0
[   29.172331][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   29.172524][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   29.172713][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   29.172933][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.173089][   T67] CR2: 00007fec478f6498 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.173287][   T67] PKRU: 55555554
[   29.173380][   T67] Call Trace:
[   29.173482][   T67]  <TASK>
[   29.173549][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.173675][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.173800][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.173896][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.174022][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.174153][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.174277][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.174404][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.174534][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.174691][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.174847][   T67]  ? 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)
[   29.174973][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.175129][   T67]  ? 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)
[   29.175259][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.175384][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.175549][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.175677][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.175803][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.175927][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.176052][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.176185][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.176313][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.176439][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.176566][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.176691][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.176813][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.176940][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.177062][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.177192][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.177321][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.177451][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.177580][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.177706][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.177829][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.177955][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.178079][   T67]  kthread (kernel/kthread.c:436)
[   29.178179][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.178335][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.178466][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.178592][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.178749][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.178874][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.178998][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.187480][   T67] ------------[ cut here ]------------
| [   29.187607][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   29.187844][   T67] Modules linked in:
| [   29.188217][   T67] Tainted: [W]=WARN
[   29.188307][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.188466][   T67] Workqueue: netns cleanup_net
[   29.188591][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.188746][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.189188][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.189344][   T67] RAX: 00000000ffffffa6 RBX: ff1100000979ce40 RCX: 1ff4000000090ed5
[   29.189534][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979cefc
[   29.189716][   T67] RBP: ff1100000fda4000 R08: 1fe22000012f39e1 R09: ff110000091a8bd0
[   29.189896][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.190076][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.190267][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   29.190488][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.190637][   T67] CR2: 00007fec478f6498 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.190818][   T67] PKRU: 55555554
[   29.190908][   T67] Call Trace:
[   29.190996][   T67]  <TASK>
[   29.191059][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.191219][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.191369][   T67]  ? 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)
[   29.191497][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.191616][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.191772][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.191893][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.192012][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.192139][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.192264][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.192387][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.192512][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.192642][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.192763][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.192891][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.193011][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.193136][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.193260][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.193384][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.193521][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.193650][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.193772][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.193892][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.194014][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.194139][   T67]  kthread (kernel/kthread.c:436)
[   29.194229][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.194380][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.194507][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.194626][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.194775][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.194895][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.195014][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.197510][   T67] ------------[ cut here ]------------
| [   29.197634][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   29.197871][   T67] Modules linked in:
| [   29.198933][   T67] Tainted: [W]=WARN
[   29.199029][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.199228][   T67] Workqueue: netns cleanup_net
[   29.199356][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.199520][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.199992][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.200200][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c15de00 RCX: 1ff4000000090ed5
[   29.200431][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c15debc
[   29.200608][   T67] RBP: ff11000008fc1000 R08: 1fe220000182bbd9 R09: ff110000091a8bd0
[   29.200785][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.200961][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.201193][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   29.201405][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.201558][   T67] CR2: 00007fec478f6498 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.201737][   T67] PKRU: 55555554
[   29.201826][   T67] Call Trace:
[   29.201921][   T67]  <TASK>
[   29.201982][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.202183][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.202332][   T67]  ? 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)
[   29.202460][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.202578][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.202728][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.202851][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.202977][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.203099][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.203266][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.203388][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.203511][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.203634][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.203756][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.203874][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.203997][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.204164][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.204288][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.204414][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.204541][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.204664][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.204783][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.204901][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.205023][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.205191][   T67]  kthread (kernel/kthread.c:436)
[   29.205281][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.205434][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.205558][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.205678][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.205827][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.205947][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.206067][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.210388][   T67] ------------[ cut here ]------------
| [   29.210530][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   29.210777][   T67] Modules linked in:
| [   29.211152][   T67] Tainted: [W]=WARN
[   29.211248][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.211398][   T67] Workqueue: netns cleanup_net
[   29.211528][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.211685][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.212121][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.212275][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c835000 RCX: 1ff4000000090ed5
[   29.212458][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8350bc
[   29.212635][   T67] RBP: ff1100000fc34000 R08: 1fe2200001906a19 R09: ff110000091a8bd0
[   29.212812][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.212991][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.213234][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.213449][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.213599][   T67] CR2: 00007f0509eacc20 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   29.213784][   T67] PKRU: 55555554
[   29.213875][   T67] Call Trace:
[   29.213964][   T67]  <TASK>
[   29.214028][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.214257][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.214406][   T67]  ? 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)
[   29.214530][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.214650][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.214804][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.214930][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.215050][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.215248][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.215368][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.215496][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.215616][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.215740][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.215861][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.215986][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.216105][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.216298][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.216423][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.216552][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.216670][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.216792][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.216916][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.217035][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.217222][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.217340][   T67]  kthread (kernel/kthread.c:436)
[   29.217435][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.217583][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.217702][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.217821][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.217971][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.218091][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.218276][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.255835][   T67] ------------[ cut here ]------------
| [   29.255963][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   29.256235][   T67] Modules linked in:
| [   29.256702][   T67] Tainted: [W]=WARN
[   29.256836][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.257074][   T67] Workqueue: netns cleanup_net
[   29.257294][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.257558][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.258068][   T67] RSP: 0018:ffa00000004877b0 EFLAGS: 00010286
[   29.258246][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c835c40 RCX: 1ff4000000090ebc
[   29.258450][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c835cfc
[   29.258648][   T67] RBP: ff1100000fccc000 R08: 1fe2200001906ba1 R09: ff110000091a8bd0
[   29.258900][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   29.259193][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.259500][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.259764][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.259935][   T67] CR2: 00007f0509eacc20 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   29.260148][   T67] PKRU: 55555554
[   29.260246][   T67] Call Trace:
[   29.260344][   T67]  <TASK>
[   29.260416][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.260558][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.260657][   T67]  __dev_notify_flags (net/core/dev.c:9787)
[   29.260789][   T67]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   29.260927][   T67]  ? netdev_notice (net/core/dev.c:13008)
[   29.261059][   T67]  ? netif_change_name (net/core/dev.c:1495)
[   29.261202][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.261337][   T67]  ? 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)
[   29.261474][   T67]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.261608][   T67]  __dev_set_promiscuity (net/core/dev.c:9630)
[   29.261738][   T67]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.261872][   T67]  netif_set_promiscuity (net/core/dev.c:9639)
[   29.262003][   T67]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   29.262141][   T67]  dev_set_promiscuity (net/core/dev_api.c:288)
[   29.262275][   T67]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   29.262375][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.262511][   T67]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   29.262644][   T67]  br_dev_delete (net/bridge/br_if.c:386)
[   29.262775][   T67]  br_net_exit_rtnl (net/bridge/br.c:414)
[   29.262909][   T67]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   29.263040][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.263180][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.263311][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.263447][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.263581][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.263717][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.263850][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.263983][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.264122][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.264257][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.264391][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.264528][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.264664][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.264796][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.264929][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.265061][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.265197][   T67]  kthread (kernel/kthread.c:436)
[   29.265298][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.265467][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.265599][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.265731][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.265896][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.266030][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.266165][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.268373][   T67] ------------[ cut here ]------------
| [   29.268507][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   29.268757][   T67] Modules linked in:
| [   29.269613][   T67] Tainted: [W]=WARN
[   29.269712][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.269872][   T67] Workqueue: netns cleanup_net
[   29.270004][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.270177][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.270636][   T67] RSP: 0018:ffa00000004877d0 EFLAGS: 00010286
[   29.270798][   T67] RAX: 00000000ffffffa6 RBX: ff11000010946580 RCX: 1ff4000000090ec0
[   29.270986][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001094663c
[   29.271193][   T67] RBP: ff1100000fccc000 R08: 1fe2200002128cc9 R09: ff110000091a8bd0
[   29.271385][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   29.271583][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   29.271774][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.271996][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.272164][   T67] CR2: 00007f0509eacc20 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   29.272356][   T67] PKRU: 55555554
[   29.272456][   T67] Call Trace:
[   29.272552][   T67]  <TASK>
[   29.272618][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.272746][   T67]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   29.272875][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   29.273005][   T67]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   29.273143][   T67]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   29.273311][   T67]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   29.273444][   T67]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.273573][   T67]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   29.273702][   T67]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   29.273860][   T67]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   29.273988][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.274126][   T67]  del_nbp (net/bridge/br_if.c:363)
[   29.274224][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.274355][   T67]  br_dev_delete (net/bridge/br_if.c:386)
[   29.274490][   T67]  br_net_exit_rtnl (net/bridge/br.c:414)
[   29.274619][   T67]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   29.274748][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.274876][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.275005][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.275141][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.275271][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.275400][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.275535][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.275665][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.275792][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.275921][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.276053][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.276190][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.276322][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.276459][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.276587][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.276716][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.276841][   T67]  kthread (kernel/kthread.c:436)
[   29.276937][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.277098][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.277234][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.277362][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.277529][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.277659][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.277788][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.280209][   T67] ------------[ cut here ]------------
| [   29.280338][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   29.280586][   T67] Modules linked in:
| [   29.280963][   T67] Tainted: [W]=WARN
[   29.281057][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.281270][   T67] Workqueue: netns cleanup_net
[   29.281398][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.281578][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.282016][   T67] RSP: 0018:ffa0000000487808 EFLAGS: 00010286
[   29.282363][   T67] RAX: 00000000ffffffa6 RBX: ff11000010947a80 RCX: 1ff4000000090ec7
[   29.282601][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010947b3c
[   29.282787][   T67] RBP: ff1100000c512000 R08: 1fe2200002128f69 R09: ff110000091a8bd0
[   29.282972][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   29.283250][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004878a0
[   29.283522][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.283845][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.284062][   T67] CR2: 00007f0509eacc20 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   29.284372][   T67] PKRU: 55555554
[   29.284516][   T67] Call Trace:
[   29.284653][   T67]  <TASK>
[   29.284751][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.284945][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.285066][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.285285][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.285476][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.285708][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.285938][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.286082][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.286303][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.286440][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.286619][   T67]  ? 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)
[   29.286798][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.286979][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.287256][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.287452][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.287629][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.287753][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.287877][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.288005][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.288184][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.288308][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.288462][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.288588][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.288711][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.288838][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.288961][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.289095][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.289271][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.289395][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.289528][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.289650][   T67]  kthread (kernel/kthread.c:436)
[   29.289742][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.289896][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.290017][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.290530][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.290690][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.290817][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.290946][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.296347][   T67] ------------[ cut here ]------------
| [   29.296489][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   29.296720][   T67] Modules linked in:
| [   29.297077][   T67] Tainted: [W]=WARN
[   29.297185][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.297406][   T67] Workqueue: netns cleanup_net
[   29.297555][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.297711][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.298142][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.298288][   T67] RAX: 00000000ffffffa6 RBX: ff1100000ba48740 RCX: 1ff4000000090eed
[   29.298468][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba487fc
[   29.298640][   T67] RBP: ff110000100b4000 R08: 1fe2200001749101 R09: ff110000091a8bd0
[   29.298816][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.298988][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.299172][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.299379][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.299528][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   29.299702][   T67] PKRU: 55555554
[   29.299790][   T67] Call Trace:
[   29.299875][   T67]  <TASK>
[   29.299936][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.300086][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.300295][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.300413][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.300537][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.300654][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.300775][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.300893][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.301012][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.301178][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.301298][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.301416][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.301539][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.301655][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.301773][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.301900][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.302018][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.302191][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.302307][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.302482][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.302603][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.302721][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.302840][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.302958][   T67]  kthread (kernel/kthread.c:436)
[   29.303046][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.303240][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.303355][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.303479][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.303628][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.303749][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.303864][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.306541][   T67] ------------[ cut here ]------------
| [   29.306720][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   29.306967][   T67] Modules linked in:
| [   29.307477][   T67] Tainted: [W]=WARN
[   29.307568][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.307714][   T67] Workqueue: netns cleanup_net
[   29.307836][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.307993][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.308480][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.308795][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d962c80 RCX: 1ff4000000090eed
[   29.308981][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d962d3c
[   29.309211][   T67] RBP: ff1100000ff49000 R08: 1fe2200001b2c5a9 R09: ff110000091a8bd0
[   29.309385][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.309567][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.309744][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.309952][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.310100][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   29.310350][   T67] PKRU: 55555554
[   29.310442][   T67] Call Trace:
[   29.310531][   T67]  <TASK>
[   29.310593][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.310745][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.310895][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.311013][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.311193][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.311312][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.311437][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.311561][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.311680][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.311800][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.311920][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.312041][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.312245][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.312361][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.312487][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.312606][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.312730][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.312851][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.312969][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.313093][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.313260][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.313380][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.313504][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.313621][   T67]  kthread (kernel/kthread.c:436)
[   29.313709][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.313854][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.313972][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.314089][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.314286][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.314410][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.314537][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.318586][   T67] ------------[ cut here ]------------
| [   29.318727][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   29.318958][   T67] Modules linked in:
| [   29.319334][   T67] Tainted: [W]=WARN
[   29.319424][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.319581][   T67] Workqueue: netns cleanup_net
[   29.319703][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.319861][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.320300][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.320453][   T67] RAX: 00000000ffffffa6 RBX: ff110000109418c0 RCX: 1ff4000000090eed
[   29.320635][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001094197c
[   29.320810][   T67] RBP: ff110000059e1000 R08: 1fe2200002128331 R09: ff110000091a8bd0
[   29.320996][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.321239][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.321420][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.321718][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.321866][   T67] CR2: 000055d1a14e4140 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   29.322046][   T67] PKRU: 55555554
[   29.322182][   T67] Call Trace:
[   29.322297][   T67]  <TASK>
[   29.322389][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.322614][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.322832][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.323010][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.323239][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.323359][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.323493][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.323613][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.323732][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.323854][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.323972][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.324092][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.324258][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.324374][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.324497][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.324615][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.324735][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.324856][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.324974][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.325101][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.325268][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.325385][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.325510][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.325628][   T67]  kthread (kernel/kthread.c:436)
[   29.325718][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.325864][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.325984][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.326105][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.326305][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.326424][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.326548][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.328862][   T67] ------------[ cut here ]------------
| [   29.329030][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.329333][   T67] Modules linked in:
| [   29.329804][   T67] Tainted: [W]=WARN
[   29.329944][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.330163][   T67] Workqueue: netns cleanup_net
[   29.330337][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.330549][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.331022][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.331243][   T67] RAX: 00000000ffffffa6 RBX: ff110000109411c0 RCX: 1ff4000000090eed
[   29.331474][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001094127c
[   29.331700][   T67] RBP: ff11000009431000 R08: 1fe2200002128251 R09: ff110000091a8bd0
[   29.331924][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.332203][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.332448][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.332704][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.332901][   T67] CR2: 00007fa1f1b45000 CR3: 000000000f0a0004 CR4: 0000000000771ef0
[   29.333143][   T67] PKRU: 55555554
[   29.333279][   T67] Call Trace:
[   29.333413][   T67]  <TASK>
[   29.333530][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.333735][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.333929][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.334097][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.334282][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.334458][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.334629][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.334799][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.334966][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.335155][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.335327][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.335504][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.335677][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.335841][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.336011][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.336194][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.336366][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.336549][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.336718][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.336891][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.337065][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.337257][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.337425][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.337602][   T67]  kthread (kernel/kthread.c:436)
[   29.337743][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.337939][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.338106][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.338293][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.338498][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.338666][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.338835][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.341808][   T67] ------------[ cut here ]------------
| [   29.341976][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.342277][   T67] Modules linked in:
| [   29.342756][   T67] Tainted: [W]=WARN
[   29.342893][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.343088][   T67] Workqueue: netns cleanup_net
[   29.343274][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.343485][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.343958][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.344167][   T67] RAX: 00000000ffffffa6 RBX: ff11000010940e40 RCX: 1ff4000000090eed
[   29.344391][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010940efc
[   29.344621][   T67] RBP: ff110000101a1000 R08: 1fe22000021281e1 R09: ff110000091a8bd0
[   29.344849][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.345072][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.345310][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.345573][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.345775][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.346001][   T67] PKRU: 55555554
[   29.346148][   T67] Call Trace:
[   29.346284][   T67]  <TASK>
[   29.346392][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.346597][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.346794][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.346966][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.347148][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.347344][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.347526][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.347695][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.347862][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.348028][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.348209][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.348381][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.348561][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.348728][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.348899][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.349066][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.349249][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.349441][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.349614][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.349787][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.349959][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.350138][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.350317][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.350523][   T67]  kthread (kernel/kthread.c:436)
[   29.350665][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.350865][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.351032][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.351215][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.351412][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.351588][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.351756][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.354616][   T67] ------------[ cut here ]------------
| [   29.354778][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.355067][   T67] Modules linked in:
| [   29.356443][   T67] Tainted: [W]=WARN
[   29.356641][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.356881][   T67] Workqueue: netns cleanup_net
[   29.357166][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.357423][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.357946][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.358202][   T67] RAX: 00000000ffffffa6 RBX: ff110000093d43c0 RCX: 1ff4000000090eed
[   29.358484][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093d447c
[   29.358751][   T67] RBP: ff1100000c512000 R08: 1fe220000127a891 R09: ff110000091a8bd0
[   29.359015][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.359296][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.359578][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.359878][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.360167][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.360441][   T67] PKRU: 55555554
[   29.360622][   T67] Call Trace:
[   29.360803][   T67]  <TASK>
[   29.360958][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.361215][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.361461][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.361675][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.361886][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.362094][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.362321][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.362544][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.362793][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.362956][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.363136][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.363303][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.363474][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.363638][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.363805][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.363974][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.364154][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.364324][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.364497][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.364667][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.364835][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.365001][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.365183][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.365352][   T67]  kthread (kernel/kthread.c:436)
[   29.365498][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.365693][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.365860][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.366027][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.366237][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.366404][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.366580][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.381938][   T67] ------------[ cut here ]------------
| [   29.382109][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.382415][   T67] Modules linked in:
| [   29.382900][   T67] Tainted: [W]=WARN
[   29.383041][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.383733][   T67] Workqueue: netns cleanup_net
[   29.383971][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.384247][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.384800][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.385051][   T67] RAX: 00000000ffffffa6 RBX: ff110000093d5e00 RCX: 1ff4000000090eaf
[   29.385338][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093d5ebc
[   29.385634][   T67] RBP: ff1100000fccc000 R08: 1fe220000127abd9 R09: ff110000091a8bd0
[   29.385870][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   29.386101][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2cc000
[   29.386351][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.386623][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.386827][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.387063][   T67] PKRU: 55555554
[   29.387218][   T67] Call Trace:
[   29.387356][   T67]  <TASK>
[   29.387473][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.387648][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.387791][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.387963][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.388165][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.388337][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.388528][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.388700][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.388901][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.389104][   T67]  ? 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)
[   29.389288][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.389497][   T67]  ? 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)
[   29.389672][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.389842][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.390044][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.390230][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.390403][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.390583][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.390756][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.390933][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.391104][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.391289][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.391467][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.391640][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.391814][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.391984][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.392167][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.392344][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.392539][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.392723][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.392899][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.393070][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.393259][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.393443][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.393617][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.393790][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.393960][   T67]  kthread (kernel/kthread.c:436)
[   29.394102][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.394317][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.394496][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.394671][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.394876][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.395047][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.395232][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.397809][   T67] ------------[ cut here ]------------
| [   29.397977][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.398748][   T67] Modules linked in:
| [   29.399363][   T67] Tainted: [W]=WARN
[   29.399554][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.399830][   T67] Workqueue: netns cleanup_net
[   29.400053][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.400300][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.400793][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.401000][   T67] RAX: 00000000ffffffa6 RBX: ff110000093d4200 RCX: 1ff4000000090eaf
[   29.401247][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093d42bc
[   29.401486][   T67] RBP: ff1100000f2cc000 R08: 1fe220000127a859 R09: ff110000091a8bd0
[   29.401722][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   29.401953][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1d1000
[   29.402199][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.402474][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.402678][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.402912][   T67] PKRU: 55555554
[   29.403051][   T67] Call Trace:
[   29.403202][   T67]  <TASK>
[   29.403315][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.403492][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.403666][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.403811][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.403981][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.404170][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.404343][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.404524][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.404698][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.404930][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.405143][   T67]  ? 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)
[   29.405316][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.405526][   T67]  ? 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)
[   29.405699][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.405873][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.406076][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.406266][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.406447][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.406650][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.406823][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.406996][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.407180][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.407352][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.407526][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.407698][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.407874][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.408049][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.408227][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.408401][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.408582][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.408754][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.408957][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.409145][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.409320][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.409500][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.409673][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.409846][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.410017][   T67]  kthread (kernel/kthread.c:436)
[   29.410167][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.410367][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.410552][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.410725][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.410926][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.411099][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.411285][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.423398][   T67] ------------[ cut here ]------------
| [   29.423572][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.423861][   T67] Modules linked in:
| [   29.424352][   T67] Tainted: [W]=WARN
[   29.424499][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.424703][   T67] Workqueue: netns cleanup_net
[   29.424880][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.425087][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.425598][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.425801][   T67] RAX: 00000000ffffffa6 RBX: ff1100000ba49c40 RCX: 1ff4000000090eaf
[   29.426041][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba49cfc
[   29.426284][   T67] RBP: ff1100000f1d1000 R08: 1fe22000017493a1 R09: ff110000091a8bd0
[   29.426526][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   29.426756][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a08c000
[   29.426989][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.427269][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.427475][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.427711][   T67] PKRU: 55555554
[   29.427848][   T67] Call Trace:
[   29.427987][   T67]  <TASK>
[   29.428097][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.428314][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.428495][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.428640][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.428813][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.428983][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.429195][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.429366][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.429547][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.429750][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.429959][   T67]  ? 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)
[   29.430145][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.430345][   T67]  ? 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)
[   29.430522][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.430693][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.430895][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.431072][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.431259][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.431437][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.431608][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.431779][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.431949][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.432133][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.432300][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.432475][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.432647][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.432818][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.432987][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.433169][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.433339][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.433520][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.433697][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.433882][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.434063][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.434250][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.434420][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.434603][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.434774][   T67]  kthread (kernel/kthread.c:436)
[   29.434915][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.435132][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.435304][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.435481][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.435683][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.435854][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.436026][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.438995][   T67] ------------[ cut here ]------------
| [   29.439176][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.439470][   T67] Modules linked in:
| [   29.440005][   T67] Tainted: [W]=WARN
[   29.440160][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.440362][   T67] Workqueue: netns cleanup_net
[   29.440551][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.440766][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.441265][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.441476][   T67] RAX: 00000000ffffffa6 RBX: ff11000002847380 RCX: 1ff4000000090eaf
[   29.441712][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000284743c
[   29.441946][   T67] RBP: ff1100000a08c000 R08: 1fe2200000508e89 R09: ff110000091a8bd0
[   29.442194][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   29.442434][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffcc000
[   29.442675][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.442943][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.443164][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.443400][   T67] PKRU: 55555554
[   29.443550][   T67] Call Trace:
[   29.443691][   T67]  <TASK>
[   29.443807][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.443982][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.444166][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.444310][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.444492][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.444900][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.445081][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.445266][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.445452][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.445659][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.445868][   T67]  ? 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)
[   29.446073][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.446289][   T67]  ? 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)
[   29.446470][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.446725][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.446931][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.447106][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.447296][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.447488][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.447664][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.447842][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.448015][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.448198][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.448370][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.448553][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.448733][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.448908][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.449080][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.449347][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.449608][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.449787][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.449968][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.450152][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.450333][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.450516][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.450696][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.450871][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.451045][   T67]  kthread (kernel/kthread.c:436)
[   29.451199][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.451403][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.451667][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.451843][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.452050][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.452233][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.452406][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.455848][   T67] ------------[ cut here ]------------
| [   29.456092][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.456478][   T67] Modules linked in:
| [   29.457035][   T67] Tainted: [W]=WARN
[   29.457269][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.457473][   T67] Workqueue: netns cleanup_net
[   29.457735][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.457947][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.458459][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.458695][   T67] RAX: 00000000ffffffa6 RBX: ff1100000e51b000 RCX: 1ff4000000090eaf
[   29.459005][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e51b0bc
[   29.459331][   T67] RBP: ff1100000ffcc000 R08: 1fe2200001ca3619 R09: ff110000091a8bd0
[   29.459574][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   29.459804][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   29.460036][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.460397][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.460605][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.460836][   T67] PKRU: 55555554
[   29.460975][   T67] Call Trace:
[   29.461205][   T67]  <TASK>
[   29.461316][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.461495][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.461669][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.461813][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.462066][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.462251][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.462423][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.462606][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.462860][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.463063][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.463282][   T67]  ? 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)
[   29.463540][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.463744][   T67]  ? 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)
[   29.463917][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.464086][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.464378][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.464560][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.464734][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.464906][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.465168][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.465343][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.465524][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.465696][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.465944][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.466132][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.466307][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.466490][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.466662][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.466834][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.467175][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.467351][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.467615][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.467791][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.467970][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.468234][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.468405][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.468586][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.468755][   T67]  kthread (kernel/kthread.c:436)
[   29.468895][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.469097][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.469315][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.469494][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.469698][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.469950][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.470139][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.473096][   T67] ------------[ cut here ]------------
| [   29.473278][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.473642][   T67] Modules linked in:
| [   29.474413][   T67] Tainted: [W]=WARN
[   29.474555][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.474748][   T67] Workqueue: netns cleanup_net
[   29.474919][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.475137][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.475615][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.475813][   T67] RAX: 00000000ffffffa6 RBX: ff11000002847c40 RCX: 1ff4000000090ed5
[   29.476065][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002847cfc
[   29.476306][   T67] RBP: ff1100000fccc000 R08: 1fe2200000508fa1 R09: ff110000091a8bd0
[   29.476540][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.476766][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.476990][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.477260][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.477462][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.477687][   T67] PKRU: 55555554
[   29.477823][   T67] Call Trace:
[   29.477961][   T67]  <TASK>
[   29.478069][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.478316][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.478519][   T67]  ? 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)
[   29.478688][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.478854][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.479052][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.479235][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.479404][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.479580][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.479748][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.479917][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.480131][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.480372][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.480622][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.480792][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.480962][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.481139][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.481306][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.481481][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.481652][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.481895][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.482066][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.482257][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.482436][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.482606][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.482774][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.483014][   T67]  kthread (kernel/kthread.c:436)
[   29.483166][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.483443][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.483617][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.483785][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.483982][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.484235][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.484401][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.487840][   T67] ------------[ cut here ]------------
| [   29.488005][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.488368][   T67] Modules linked in:
| [   29.488980][   T67] Tainted: [W]=WARN
[   29.489130][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.489323][   T67] Workqueue: netns cleanup_net
[   29.489576][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.489782][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.490506][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.490703][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d963380 RCX: 1ff4000000090ed5
[   29.490925][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d96343c
[   29.491163][   T67] RBP: ff1100000f2cc000 R08: 1fe2200001b2c689 R09: ff110000091a8bd0
[   29.491387][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.491616][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.491843][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.492104][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.492315][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.492551][   T67] PKRU: 55555554
[   29.492687][   T67] Call Trace:
[   29.492824][   T67]  <TASK>
[   29.492932][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.493147][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.493342][   T67]  ? 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)
[   29.493517][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.493758][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.493959][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.494224][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.494394][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.494577][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.494746][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.494914][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.495081][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.495257][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.495424][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.495600][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.495840][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.496008][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.496193][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.496358][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.496606][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.496784][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.496951][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.497135][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.497380][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.497630][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.497799][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.498037][   T67]  kthread (kernel/kthread.c:436)
[   29.498190][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.498539][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.498714][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.498887][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.499081][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.499259][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.499504][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.503256][   T67] ------------[ cut here ]------------
| [   29.503499][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.503783][   T67] Modules linked in:
| [   29.504346][   T67] Tainted: [W]=WARN
[   29.504497][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.504694][   T67] Workqueue: netns cleanup_net
[   29.504866][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.505247][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.505809][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.506006][   T67] RAX: 00000000ffffffa6 RBX: ff11000010940740 RCX: 1ff4000000090ed5
[   29.506246][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109407fc
[   29.506481][   T67] RBP: ff1100000f1d1000 R08: 1fe2200002128101 R09: ff110000091a8bd0
[   29.506708][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.506931][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.507245][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.507517][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.507716][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.507941][   T67] PKRU: 55555554
[   29.508076][   T67] Call Trace:
[   29.508230][   T67]  <TASK>
[   29.508344][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.508560][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.508790][   T67]  ? 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)
[   29.508964][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.509147][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.509356][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.509535][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.509710][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.509959][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.510147][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.510323][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.510501][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.510817][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.510990][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.511175][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.511352][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.511533][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.511708][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.511878][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.512053][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.512244][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.512498][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.512678][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.513015][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.513199][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.513372][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.513554][   T67]  kthread (kernel/kthread.c:436)
[   29.513698][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.513899][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.514070][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.514255][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.514468][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.514639][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.514882][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.531242][   T67] ------------[ cut here ]------------
| [   29.531420][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.531719][   T67] Modules linked in:
| [   29.532199][   T67] Tainted: [W]=WARN
[   29.532340][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.532547][   T67] Workqueue: netns cleanup_net
[   29.532724][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.532929][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.533906][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.534173][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cefe3c0 RCX: 1ff4000000090ed5
[   29.534460][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cefe47c
[   29.534736][   T67] RBP: ff1100000a08c000 R08: 1fe22000019dfc91 R09: ff110000091a8bd0
[   29.535009][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.535298][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.535593][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.535902][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.536162][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.536412][   T67] PKRU: 55555554
[   29.536558][   T67] Call Trace:
[   29.536697][   T67]  <TASK>
[   29.536808][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.537017][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.537228][   T67]  ? 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)
[   29.537402][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.537584][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.537793][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.537969][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.538156][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.538336][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.538520][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.538700][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.538875][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.539047][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.539230][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.539408][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.539591][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.539759][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.539938][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.540111][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.540297][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.540478][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.540648][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.540826][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.541000][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.541184][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.541358][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.541534][   T67]  kthread (kernel/kthread.c:436)
[   29.541674][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.541875][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.542051][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.542234][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.542440][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.542613][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.542784][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.553259][   T67] ------------[ cut here ]------------
| [   29.553445][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.553738][   T67] Modules linked in:
| [   29.554450][   T67] Tainted: [W]=WARN
[   29.554589][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.554790][   T67] Workqueue: netns cleanup_net
[   29.554966][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.555189][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.555686][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.555888][   T67] RAX: 00000000ffffffa6 RBX: ff1100000ceff000 RCX: 1ff4000000090ed5
[   29.556131][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceff0bc
[   29.556362][   T67] RBP: ff1100000ffcc000 R08: 1fe22000019dfe19 R09: ff110000091a8bd0
[   29.556597][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.556828][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.557062][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.557337][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.557579][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.557813][   T67] PKRU: 55555554
[   29.557953][   T67] Call Trace:
[   29.558096][   T67]  <TASK>
[   29.558222][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.558442][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.558645][   T67]  ? 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)
[   29.558823][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.558999][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.559219][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.559400][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.559584][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.559759][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.559939][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.560129][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.560315][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.560494][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.560669][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.560845][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.561052][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.561237][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.561412][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.561591][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.561768][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.561945][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.562132][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.562311][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.562497][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.562672][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.562846][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.563014][   T67]  kthread (kernel/kthread.c:436)
[   29.563168][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.563370][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.563549][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.563727][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.563941][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.564129][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.564302][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.603154][   T67] ------------[ cut here ]------------
| [   29.603351][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.603647][   T67] Modules linked in:
| [   29.604109][   T67] Tainted: [W]=WARN
[   29.604514][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.604713][   T67] Workqueue: netns cleanup_net
[   29.604887][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.605094][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.605601][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.605802][   T67] RAX: 00000000ffffffa6 RBX: ff1100000ceffe00 RCX: 1ff4000000090eed
[   29.606027][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceffebc
[   29.606266][   T67] RBP: ff110000109c1000 R08: 1fe22000019dffd9 R09: ff110000091a8bd0
[   29.606501][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.606727][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.606956][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.607228][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.607425][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.607660][   T67] PKRU: 55555554
[   29.607799][   T67] Call Trace:
[   29.607940][   T67]  <TASK>
[   29.608050][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.608263][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.608471][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.608642][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.608812][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.608980][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.609163][   T67]  ? 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)
[   29.609339][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.609519][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.609711][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.609883][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.610051][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.610227][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.610397][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.610573][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.610744][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.610917][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.611086][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.611271][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.611449][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.611619][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.611789][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.611961][   T67]  kthread (kernel/kthread.c:436)
[   29.612101][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.612312][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.612490][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.612660][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.612856][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.613023][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.613209][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.615835][   T67] ------------[ cut here ]------------
| [   29.616004][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.616306][   T67] Modules linked in:
| [   29.616770][   T67] Tainted: [W]=WARN
[   29.616907][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.617103][   T67] Workqueue: netns cleanup_net
[   29.617291][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.617505][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.617979][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.618191][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a134740 RCX: 1ff4000000090eed
[   29.618418][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1347fc
[   29.618654][   T67] RBP: ff1100000ff04000 R08: 1fe2200001426901 R09: ff110000091a8bd0
[   29.618877][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.619099][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.619342][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.619606][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.619804][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.620031][   T67] PKRU: 55555554
[   29.620181][   T67] Call Trace:
[   29.620317][   T67]  <TASK>
[   29.620437][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.620639][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.620838][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.621006][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.621195][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.621362][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.621538][   T67]  ? 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)
[   29.621713][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.621884][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.622048][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.622228][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.622396][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.622568][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.622737][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.622905][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.623077][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.623264][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.623439][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.623611][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.623781][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.623946][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.624127][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.624295][   T67]  kthread (kernel/kthread.c:436)
[   29.624442][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.624641][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.624809][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.624977][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.625186][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.625354][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.625535][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.628155][   T67] ------------[ cut here ]------------
| [   29.628319][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.628611][   T67] Modules linked in:
| [   29.629068][   T67] Tainted: [W]=WARN
[   29.629218][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.629415][   T67] Workqueue: netns cleanup_net
[   29.629596][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.629804][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.630286][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.630493][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a134040 RCX: 1ff4000000090eed
[   29.630722][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1340fc
[   29.630948][   T67] RBP: ff11000004eb4000 R08: 1fe2200001426821 R09: ff110000091a8bd0
[   29.631187][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.631413][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.631654][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.631912][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.632109][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.632349][   T67] PKRU: 55555554
[   29.632495][   T67] Call Trace:
[   29.632633][   T67]  <TASK>
[   29.632742][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.632946][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.633153][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.633322][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.633499][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.633666][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.633837][   T67]  ? 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)
[   29.634007][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.634195][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.634362][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.634583][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.634757][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.634923][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.635094][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.635270][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.635453][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.635635][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.635802][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.635972][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.636153][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.636320][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.636499][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.636668][   T67]  kthread (kernel/kthread.c:436)
[   29.636809][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.637006][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.637190][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.637359][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.637562][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.637729][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.637897][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.640546][   T67] ------------[ cut here ]------------
| [   29.640768][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.641128][   T67] Modules linked in:
| [   29.641590][   T67] Tainted: [W]=WARN
[   29.641727][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.641922][   T67] Workqueue: netns cleanup_net
[   29.642094][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.642314][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.642794][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.642992][   T67] RAX: 00000000ffffffa6 RBX: ff1100000e6038c0 RCX: 1ff4000000090eed
[   29.643232][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e60397c
[   29.643466][   T67] RBP: ff11000008da9000 R08: 1fe2200001cc0731 R09: ff110000091a8bd0
[   29.643693][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.643918][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.644161][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.644421][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.644627][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.644855][   T67] PKRU: 55555554
[   29.644991][   T67] Call Trace:
[   29.645140][   T67]  <TASK>
[   29.645251][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.645467][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.645663][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.645830][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.646000][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.646180][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.646350][   T67]  ? 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)
[   29.646532][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.646749][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.646977][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.647225][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.647469][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.647693][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.647866][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.648035][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.648221][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.648398][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.648574][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.648747][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.648918][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.649086][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.649268][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.649444][   T67]  kthread (kernel/kthread.c:436)
[   29.649584][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.649785][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.649952][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.650134][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.650330][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.650504][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.650673][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.653099][   T67] ------------[ cut here ]------------
| [   29.653281][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.653569][   T67] Modules linked in:
| [   29.654030][   T67] Tainted: [W]=WARN
[   29.654181][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.654377][   T67] Workqueue: netns cleanup_net
[   29.654558][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.654762][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.655248][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   29.655454][   T67] RAX: 00000000ffffffa6 RBX: ff1100000e603a80 RCX: 1ff4000000090eed
[   29.655680][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e603b3c
[   29.655907][   T67] RBP: ff11000010414000 R08: 1fe2200001cc0769 R09: ff110000091a8bd0
[   29.656147][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.656372][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.656612][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.656872][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.657072][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.657315][   T67] PKRU: 55555554
[   29.657460][   T67] Call Trace:
[   29.657599][   T67]  <TASK>
[   29.657708][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.657909][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.658108][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.658291][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.658469][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.658639][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.658811][   T67]  ? 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)
[   29.658982][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.659166][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.659337][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.659516][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.659685][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.659853][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.660025][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.660206][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.660378][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.660562][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.660734][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.660905][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.661075][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.661257][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.661436][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.661605][   T67]  kthread (kernel/kthread.c:436)
[   29.661742][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.661943][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.662112][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.662297][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.662504][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.662674][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.662844][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.671721][  T455] ------------[ cut here ]------------
| [   29.671881][  T455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/455
| [   29.672421][  T455] Modules linked in:
| [   29.672834][  T455] Tainted: [W]=WARN
[   29.672937][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.673109][  T455] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.673296][  T455] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.673787][  T455] RSP: 0018:ffa00000013f7a80 EFLAGS: 00010286
[   29.673961][  T455] RAX: 00000000ffffffa6 RBX: ff1100000e602200 RCX: 1ff400000027ef16
[   29.674171][  T455] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6022bc
[   29.674377][  T455] RBP: ff1100000f071000 R08: 1fe2200001cc0459 R09: ff11000009ccd180
[   29.674590][  T455] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.674796][  T455] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f071000
[   29.675003][  T455] FS:  00007f303f31f840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.675248][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.675421][  T455] CR2: 00007f303f526430 CR3: 000000000ba6f002 CR4: 0000000000771ef0
[   29.675634][  T455] PKRU: 55555554
[   29.675735][  T455] Call Trace:
[   29.675837][  T455]  <TASK>
[   29.675908][  T455]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.676045][  T455]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.676187][  T455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.676294][  T455]  register_netdevice (net/core/dev.c:11488)
[   29.676438][  T455]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.676610][  T455]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.676747][  T455]  register_netdev (net/core/dev.c:11552)
[   29.676882][  T455]  loopback_net_init (drivers/net/loopback.c:218)
[   29.677020][  T455]  ops_init (net/core/net_namespace.c:137)
[   29.677131][  T455]  setup_net (net/core/net_namespace.c:446)
[   29.677238][  T455]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.677375][  T455]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.677517][  T455]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.677655][  T455]  copy_net_ns (net/core/net_namespace.c:579)
[   29.677792][  T455]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.677930][  T455]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.678067][  T455]  ksys_unshare (kernel/fork.c:3243)
[   29.678211][  T455]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.678350][  T455]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.678493][  T455]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.678632][  T455]  ? __ia32_sys_open (fs/open.c:1374)
[   29.678769][  T455]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.678906][  T455]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.679041][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.679183][  T455]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.679321][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.679462][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.679630][  T455] RIP: 0033:0x7f303f5e1bcb
[   29.679776][  T455] 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
[   29.680267][  T455] RSP: 002b:00007fffd564ec08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   29.680475][  T455] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f303f5e1bcb
[   29.680678][  T455] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.680881][  T455] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.681085][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd5650e30
[   29.681293][  T455] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd565188a
| [   29.685808][  T455] ------------[ cut here ]------------
| [   29.685985][  T455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/455
| [   29.686287][  T455] Modules linked in:
| [   29.686669][  T455] Tainted: [W]=WARN
[   29.686773][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.686944][  T455] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.687126][  T455] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.687612][  T455] RSP: 0018:ffa00000013f7918 EFLAGS: 00010286
[   29.687785][  T455] RAX: 00000000ffffffa6 RBX: ff1100000cdc0c80 RCX: 1ff400000027eee9
[   29.687986][  T455] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdc0d3c
[   29.688194][  T455] RBP: ff1100000f2c9000 R08: 1fe22000019b81a9 R09: ff11000009ccd180
[   29.688396][  T455] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.688603][  T455] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2c9000
[   29.688805][  T455] FS:  00007f303f31f840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.689044][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.689220][  T455] CR2: 00007f303f526430 CR3: 000000000ba6f002 CR4: 0000000000771ef0
[   29.689422][  T455] PKRU: 55555554
[   29.689528][  T455] Call Trace:
[   29.689628][  T455]  <TASK>
[   29.689699][  T455]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.689834][  T455]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.689970][  T455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.690073][  T455]  register_netdevice (net/core/dev.c:11488)
[   29.690217][  T455]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.690386][  T455]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.690530][  T455]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   29.690666][  T455]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   29.690803][  T455]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   29.690942][  T455]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   29.691078][  T455]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   29.691221][  T455]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   29.691358][  T455]  ops_init (net/core/net_namespace.c:137)
[   29.691467][  T455]  setup_net (net/core/net_namespace.c:446)
[   29.691571][  T455]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.691706][  T455]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.691841][  T455]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.691976][  T455]  copy_net_ns (net/core/net_namespace.c:579)
[   29.692112][  T455]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.692256][  T455]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.692392][  T455]  ksys_unshare (kernel/fork.c:3243)
[   29.692534][  T455]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.692670][  T455]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.692805][  T455]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.692940][  T455]  ? __ia32_sys_open (fs/open.c:1374)
[   29.693078][  T455]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.693219][  T455]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.693355][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.693497][  T455]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.693632][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.693768][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.693936][  T455] RIP: 0033:0x7f303f5e1bcb
[   29.694078][  T455] 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
[   29.694573][  T455] RSP: 002b:00007fffd564ec08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   29.694778][  T455] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f303f5e1bcb
[   29.694982][  T455] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.695189][  T455] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.695394][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd5650e30
[   29.695603][  T455] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd565188a
| [   29.699612][  T455] ------------[ cut here ]------------
| [   29.699763][  T455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/455
| [   29.700001][  T455] Modules linked in:
| [   29.700391][  T455] Tainted: [W]=WARN
[   29.700501][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.700677][  T455] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.700856][  T455] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.701346][  T455] RSP: 0018:ffa00000013f78f8 EFLAGS: 00010286
[   29.701526][  T455] RAX: 00000000ffffffa6 RBX: ff1100000cdc1c40 RCX: 1ff400000027eee5
[   29.701732][  T455] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdc1cfc
[   29.701937][  T455] RBP: ff1100000f68c000 R08: 1fe22000019b83a1 R09: ff11000009ccd180
[   29.702149][  T455] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.702354][  T455] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f68c000
[   29.702565][  T455] FS:  00007f303f31f840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.702805][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.702977][  T455] CR2: 00007f303f526430 CR3: 000000000ba6f002 CR4: 0000000000771ef0
[   29.703189][  T455] PKRU: 55555554
[   29.703293][  T455] Call Trace:
[   29.703395][  T455]  <TASK>
[   29.703478][  T455]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.703616][  T455]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.703754][  T455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.703861][  T455]  register_netdevice (net/core/dev.c:11488)
[   29.704000][  T455]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.704176][  T455]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.704318][  T455]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   29.704462][  T455]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   29.704599][  T455]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   29.704739][  T455]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   29.704877][  T455]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   29.705017][  T455]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   29.705163][  T455]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.705302][  T455]  vti_init_net (net/ipv4/ip_vti.c:517)
[   29.705446][  T455]  ops_init (net/core/net_namespace.c:137)
[   29.705554][  T455]  setup_net (net/core/net_namespace.c:446)
[   29.705659][  T455]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.705795][  T455]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.705932][  T455]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.706071][  T455]  copy_net_ns (net/core/net_namespace.c:579)
[   29.706216][  T455]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.706359][  T455]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.706502][  T455]  ksys_unshare (kernel/fork.c:3243)
[   29.706640][  T455]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.706777][  T455]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.706914][  T455]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.707053][  T455]  ? __ia32_sys_open (fs/open.c:1374)
[   29.707200][  T455]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.707338][  T455]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.707478][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.707615][  T455]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.707751][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.707887][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.708057][  T455] RIP: 0033:0x7f303f5e1bcb
[   29.708203][  T455] 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
[   29.708695][  T455] RSP: 002b:00007fffd564ec08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   29.708902][  T455] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f303f5e1bcb
[   29.709107][  T455] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.709318][  T455] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.709529][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd5650e30
[   29.709732][  T455] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd565188a
| [   29.730469][  T455] ------------[ cut here ]------------
| [   29.730625][  T455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/455
| [   29.730852][  T455] Modules linked in:
| [   29.731227][  T455] Tainted: [W]=WARN
[   29.731327][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.731499][  T455] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.731669][  T455] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.732143][  T455] RSP: 0018:ffa00000013f7a78 EFLAGS: 00010286
[   29.732308][  T455] RAX: 00000000ffffffa6 RBX: ff1100000dd438c0 RCX: 1ff400000027ef15
[   29.732510][  T455] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd4397c
[   29.732707][  T455] RBP: ff11000005ba4000 R08: 1fe2200001ba8731 R09: ff11000009ccd180
[   29.732904][  T455] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.733103][  T455] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005ba4000
[   29.733312][  T455] FS:  00007f303f31f840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.733557][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.733723][  T455] CR2: 000055d1a14e4140 CR3: 000000000ba6f005 CR4: 0000000000771ef0
[   29.733921][  T455] PKRU: 55555554
[   29.734019][  T455] Call Trace:
[   29.734124][  T455]  <TASK>
[   29.734194][  T455]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.734324][  T455]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.734463][  T455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.734563][  T455]  register_netdevice (net/core/dev.c:11488)
[   29.734697][  T455]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.734860][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.734992][  T455]  register_netdev (net/core/dev.c:11552)
[   29.735128][  T455]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   29.735263][  T455]  ops_init (net/core/net_namespace.c:137)
[   29.735365][  T455]  setup_net (net/core/net_namespace.c:446)
[   29.735474][  T455]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.735605][  T455]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.735737][  T455]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.735870][  T455]  copy_net_ns (net/core/net_namespace.c:579)
[   29.736005][  T455]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.736145][  T455]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.736279][  T455]  ksys_unshare (kernel/fork.c:3243)
[   29.736412][  T455]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.736549][  T455]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.736680][  T455]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.736815][  T455]  ? __ia32_sys_open (fs/open.c:1374)
[   29.736949][  T455]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.737079][  T455]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.737216][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.737346][  T455]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.737483][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.737616][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.737785][  T455] RIP: 0033:0x7f303f5e1bcb
[   29.737922][  T455] 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
[   29.738393][  T455] RSP: 002b:00007fffd564ec08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   29.738598][  T455] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f303f5e1bcb
[   29.738793][  T455] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.738986][  T455] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.739187][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd5650e30
[   29.739382][  T455] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd565188a
| [   29.741017][   T67] ------------[ cut here ]------------
| [   29.741199][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.741504][   T67] Modules linked in:
| [   29.741971][   T67] Tainted: [W]=WARN
[   29.742110][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.742323][   T67] Workqueue: netns cleanup_net
[   29.742506][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.742713][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.743219][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.743420][   T67] RAX: 00000000ffffffa6 RBX: ff1100000dd43700 RCX: 1ff4000000090eaf
[   29.743659][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd437bc
[   29.743887][   T67] RBP: ff1100000f75c000 R08: 1fe2200001ba86f9 R09: ff110000091a8bd0
[   29.744132][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   29.744360][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f379000
[   29.744599][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.744858][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.745060][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.745304][   T67] PKRU: 55555554
[   29.745448][   T67] Call Trace:
[   29.745590][   T67]  <TASK>
[   29.745700][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.745873][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.746014][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.746202][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.746374][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.746584][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.746751][   T67]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   29.746923][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.747142][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.747343][   T67]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   29.747524][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.747696][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.747868][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.748038][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.748224][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.748398][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.748581][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.748749][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.748922][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.749092][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.749272][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.749454][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.749629][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.749800][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.749977][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.750162][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.750338][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.750520][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.750692][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.750865][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.751037][   T67]  kthread (kernel/kthread.c:436)
[   29.751191][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.751394][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.751568][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.751738][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.751937][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.752106][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.752288][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.754572][   T67] ------------[ cut here ]------------
| [   29.754736][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.755019][   T67] Modules linked in:
| [   29.755507][   T67] Tainted: [W]=WARN
[   29.755646][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.755845][   T67] Workqueue: netns cleanup_net
[   29.756019][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.756243][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.756730][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   29.756929][   T67] RAX: 00000000ffffffa6 RBX: ff1100000ba0f540 RCX: 1ff4000000090eaf
[   29.757170][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0f5fc
[   29.757399][   T67] RBP: ff1100000f379000 R08: 1fe2200001741ec1 R09: ff110000091a8bd0
[   29.757634][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   29.757861][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   29.758092][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.758368][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.758578][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.758807][   T67] PKRU: 55555554
[   29.758945][   T67] Call Trace:
[   29.759082][   T67]  <TASK>
[   29.759203][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.759377][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.759559][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.759700][   T67]  netif_close_many (net/core/dev.c:1804)
[   29.759871][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   29.760040][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.760254][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.760423][   T67]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   29.760606][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.760808][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.761010][   T67]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   29.761197][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.761370][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.761552][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.761721][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.761894][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.762063][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.762247][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.762417][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.762600][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.762772][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.762940][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.763130][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.763301][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.763476][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.763651][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.763821][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.763996][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.764183][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.764353][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.764536][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.764707][   T67]  kthread (kernel/kthread.c:436)
[   29.764848][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.765047][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.765228][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.765399][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.765609][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.765783][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.765954][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.768503][   T67] ------------[ cut here ]------------
| [   29.768667][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.768958][   T67] Modules linked in:
| [   29.769581][   T67] Tainted: [W]=WARN
[   29.769717][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.769914][   T67] Workqueue: netns cleanup_net
[   29.770084][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.770300][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.770770][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.770970][   T67] RAX: 00000000ffffffa6 RBX: ff1100000ba0e580 RCX: 1ff4000000090ed5
[   29.771206][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0e63c
[   29.771436][   T67] RBP: ff1100000f75c000 R08: 1fe2200001741cc9 R09: ff110000091a8bd0
[   29.771660][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.771888][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.772112][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.772382][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.772585][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.772808][   T67] PKRU: 55555554
[   29.772947][   T67] Call Trace:
[   29.773084][   T67]  <TASK>
[   29.773201][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.773401][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.773607][   T67]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   29.773773][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.773940][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.774108][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.774292][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.774466][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.774633][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.774802][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.774966][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.775148][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.775315][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.775492][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.775660][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.775825][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.775993][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.776172][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.776339][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.776521][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.776687][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.776857][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.777025][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.777206][   T67]  kthread (kernel/kthread.c:436)
[   29.777343][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.777545][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.777711][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.777880][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.778077][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.778256][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.778423][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.781264][   T67] ------------[ cut here ]------------
| [   29.781436][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   29.781716][   T67] Modules linked in:
| [   29.782183][   T67] Tainted: [W]=WARN
[   29.782322][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.782527][   T67] Workqueue: netns cleanup_net
[   29.782698][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.782898][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.783377][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   29.783582][   T67] RAX: 00000000ffffffa6 RBX: ff110000108f5c40 RCX: 1ff4000000090ed5
[   29.783803][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108f5cfc
[   29.784025][   T67] RBP: ff1100000f379000 R08: 1fe220000211eba1 R09: ff110000091a8bd0
[   29.784259][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.784495][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.784719][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   29.784971][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.785179][   T67] CR2: 00007fa1f1b45000 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   29.785406][   T67] PKRU: 55555554
[   29.785552][   T67] Call Trace:
[   29.785688][   T67]  <TASK>
[   29.785795][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.785994][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.786203][   T67]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   29.786371][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.786549][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.786722][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.786887][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.787052][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.787231][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.787399][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   29.787570][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.787740][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   29.787912][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.788075][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.788255][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.788421][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.788596][   T67]  process_one_work (kernel/workqueue.c:3314)
[   29.788766][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.788931][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.789104][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.789283][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.789453][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.789619][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.789784][   T67]  kthread (kernel/kthread.c:436)
[   29.789920][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.790127][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.790294][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.790472][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.790667][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.790830][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.790996][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.795796][  T455] ------------[ cut here ]------------
| [   29.795935][  T455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/455
| [   29.796166][  T455] Modules linked in:
| [   29.796538][  T455] Tainted: [W]=WARN
[   29.796635][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.796800][  T455] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.796969][  T455] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.797443][  T455] RSP: 0018:ffa00000013f7a68 EFLAGS: 00010286
[   29.797609][  T455] RAX: 00000000ffffffa6 RBX: ff110000108f4e40 RCX: 1ff400000027ef13
[   29.797804][  T455] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108f4efc
[   29.797995][  T455] RBP: ff11000008d91000 R08: 1fe220000211e9e1 R09: ff11000009ccd180
[   29.798193][  T455] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.798389][  T455] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d91000
[   29.798592][  T455] FS:  00007f303f31f840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.798820][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.798983][  T455] CR2: 000055d1a14e4140 CR3: 000000000ba6f005 CR4: 0000000000771ef0
[   29.799190][  T455] PKRU: 55555554
[   29.799288][  T455] Call Trace:
[   29.799385][  T455]  <TASK>
[   29.799458][  T455]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.799588][  T455]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.799720][  T455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.799819][  T455]  register_netdevice (net/core/dev.c:11488)
[   29.799950][  T455]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.800127][  T455]  register_netdev (net/core/dev.c:11552)
[   29.800258][  T455]  sit_init_net (net/ipv6/sit.c:1860)
[   29.800391][  T455]  ops_init (net/core/net_namespace.c:137)
[   29.800495][  T455]  setup_net (net/core/net_namespace.c:446)
[   29.800594][  T455]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.800723][  T455]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.800852][  T455]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.800985][  T455]  copy_net_ns (net/core/net_namespace.c:579)
[   29.801123][  T455]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.801257][  T455]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.801387][  T455]  ksys_unshare (kernel/fork.c:3243)
[   29.801525][  T455]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.801657][  T455]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.801786][  T455]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.801918][  T455]  ? __ia32_sys_open (fs/open.c:1374)
[   29.802049][  T455]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.802188][  T455]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.802319][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.802454][  T455]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.802582][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.802711][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.802872][  T455] RIP: 0033:0x7f303f5e1bcb
[   29.803009][  T455] 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
[   29.803492][  T455] RSP: 002b:00007fffd564ec08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   29.803693][  T455] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f303f5e1bcb
[   29.803894][  T455] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.804096][  T455] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.804301][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd5650e30
[   29.804508][  T455] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd565188a
| [   29.815457][  T455] ------------[ cut here ]------------
| [   29.815606][  T455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/455
| [   29.815841][  T455] Modules linked in:
| [   29.816229][  T455] Tainted: [W]=WARN
[   29.816333][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.816509][  T455] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.816694][  T455] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.817424][  T455] RSP: 0018:ffa00000013f7a78 EFLAGS: 00010286
[   29.817667][  T455] RAX: 00000000ffffffa6 RBX: ff11000005090c80 RCX: 1ff400000027ef15
[   29.817873][  T455] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005090d3c
[   29.818075][  T455] RBP: ff1100000a864000 R08: 1fe2200000a121a9 R09: ff11000009ccd180
[   29.818291][  T455] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.818499][  T455] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a864000
[   29.818705][  T455] FS:  00007f303f31f840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   29.818944][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.819122][  T455] CR2: 000055d1a14e4140 CR3: 000000000ba6f005 CR4: 0000000000771ef0
[   29.819329][  T455] PKRU: 55555554
[   29.819438][  T455] Call Trace:
[   29.819541][  T455]  <TASK>
[   29.819613][  T455]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.819751][  T455]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.819887][  T455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.819990][  T455]  register_netdevice (net/core/dev.c:11488)
[   29.820132][  T455]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.820301][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.820444][  T455]  register_netdev (net/core/dev.c:11552)
[   29.820580][  T455]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   29.820716][  T455]  ops_init (net/core/net_namespace.c:137)
[   29.820820][  T455]  setup_net (net/core/net_namespace.c:446)
[   29.820923][  T455]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.821060][  T455]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.821200][  T455]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.821337][  T455]  copy_net_ns (net/core/net_namespace.c:579)
[   29.821479][  T455]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.821618][  T455]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.821754][  T455]  ksys_unshare (kernel/fork.c:3243)
[   29.821890][  T455]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.822028][  T455]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.822167][  T455]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.822302][  T455]  ? __ia32_sys_open (fs/open.c:1374)
[   29.822444][  T455]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.822579][  T455]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.822714][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.822851][  T455]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.822987][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.823130][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.823298][  T455] RIP: 0033:0x7f303f5e1bcb
[   29.823442][  T455] 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
[   29.823923][  T455] RSP: 002b:00007fffd564ec08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   29.824133][  T455] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f303f5e1bcb
[   29.824334][  T455] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.824541][  T455] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.824743][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd5650e30
[   29.824945][  T455] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd565188a
| [   29.850889][  T456] ------------[ cut here ]------------
| [   29.851091][  T456] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/456
| [   29.852267][  T456] Modules linked in:
| [   29.852669][  T456] Tainted: [W]=WARN
[   29.852772][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.852940][  T456] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.853125][  T456] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.853612][  T456] RSP: 0018:ffa0000001407020 EFLAGS: 00010286
[   29.853784][  T456] RAX: 00000000ffffffa6 RBX: ff110000092598c0 RCX: 1ff4000000280dca
[   29.853987][  T456] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925997c
[   29.854196][  T456] RBP: ff1100000f071000 R08: 1fe220000124b331 R09: ff11000009c10b58
[   29.854397][  T456] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   29.854604][  T456] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.854806][  T456] FS:  00007fb0ddfb1840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   29.855041][  T456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.855221][  T456] CR2: 00007fb0de2811a0 CR3: 000000001087a005 CR4: 0000000000771ef0
[   29.855425][  T456] PKRU: 55555554
[   29.855530][  T456] Call Trace:
[   29.855631][  T456]  <TASK>
[   29.855701][  T456]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.855838][  T456]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.855940][  T456]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.856077][  T456]  __dev_notify_flags (net/core/dev.c:9787)
[   29.856220][  T456]  ? netif_change_name (net/core/dev.c:1495)
[   29.856355][  T456]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.856499][  T456]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.856633][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.856769][  T456]  ? 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))
[   29.856906][  T456]  netif_change_flags (net/core/dev.c:9820)
[   29.857041][  T456]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.857181][  T456]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.857320][  T456]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.857464][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.857632][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.857767][  T456]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.857901][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.858038][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.858187][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   29.858324][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.858467][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.858602][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.858735][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.858871][  T456]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.859004][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.859148][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.859283][  T456]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.859418][  T456]  ? __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)
[   29.859561][  T456]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.859696][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.859834][  T456]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.859975][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.860112][  T456]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.860254][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.860390][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.860531][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.860664][  T456]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.860801][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.860939][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.861079][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.861218][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.861354][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.861495][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.861632][  T456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.861768][  T456]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.861903][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.862038][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.862183][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.862316][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.862457][  T456]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.862593][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.862728][  T456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.862868][  T456]  ? 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))
[   29.863004][  T456]  ? 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))
[   29.863150][  T456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.863287][  T456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.863422][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.863563][  T456]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.863700][  T456]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.863836][  T456]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.863972][  T456]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.864109][  T456]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.864253][  T456]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.864426][  T456]  ? move_addr_to_kernel (net/socket.c:258)
[   29.864567][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.864703][  T456]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.864839][  T456]  ___sys_sendmsg (net/socket.c:2752)
[   29.864972][  T456]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.865145][  T456]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.865295][  T456]  __sys_sendmsg (net/socket.c:2784)
[   29.865435][  T456]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.865571][  T456]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.865741][  T456]  ? 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)
[   29.865878][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.866013][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.866153][  T456]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.866292][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.866426][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.866597][  T456] RIP: 0033:0x7fb0de1eb08e
[   29.866738][  T456] 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
[   29.867223][  T456] RSP: 002b:00007ffc7cde2950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.867426][  T456] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb0de1eb08e
[   29.867630][  T456] RDX: 0000000000000000 RSI: 00007ffc7cde2a00 RDI: 0000000000000005
[   29.867831][  T456] RBP: 00007ffc7cde2960 R08: 0000000000000000 R09: 0000000000000000
[   29.868033][  T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e316
[   29.868241][  T456] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7cde30d0
| [   30.089227][  T464] ------------[ cut here ]------------
| [   30.089404][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   30.089645][  T464] Modules linked in:
| [   30.090022][  T464] Tainted: [W]=WARN
[   30.090129][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.090297][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.090479][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.090956][  T464] RSP: 0018:ffa0000001477a80 EFLAGS: 00010286
[   30.091127][  T464] RAX: 00000000ffffffa6 RBX: ff1100000d068040 RCX: 1ff400000028ef16
[   30.091328][  T464] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0680fc
[   30.091530][  T464] RBP: ff11000008d61000 R08: 1fe2200001a0d021 R09: ff1100000fe6d180
[   30.091725][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.091917][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d61000
[   30.092123][  T464] FS:  00007f67a612c840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.092355][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.092525][  T464] CR2: 00007f67a632dc20 CR3: 000000000f5a1002 CR4: 0000000000771ef0
[   30.092722][  T464] PKRU: 55555554
[   30.092821][  T464] Call Trace:
[   30.092919][  T464]  <TASK>
[   30.092988][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.093128][  T464]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.093263][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.093362][  T464]  register_netdevice (net/core/dev.c:11488)
[   30.093500][  T464]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.093665][  T464]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.093797][  T464]  register_netdev (net/core/dev.c:11552)
[   30.093930][  T464]  loopback_net_init (drivers/net/loopback.c:218)
[   30.094061][  T464]  ops_init (net/core/net_namespace.c:137)
[   30.094166][  T464]  setup_net (net/core/net_namespace.c:446)
[   30.094266][  T464]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.094396][  T464]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.094535][  T464]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.094668][  T464]  copy_net_ns (net/core/net_namespace.c:579)
[   30.094800][  T464]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.094939][  T464]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.095070][  T464]  ksys_unshare (kernel/fork.c:3243)
[   30.095219][  T464]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.095349][  T464]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.095483][  T464]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.095614][  T464]  ? __ia32_sys_open (fs/open.c:1374)
[   30.095745][  T464]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.095876][  T464]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.096006][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.096145][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.096279][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.096415][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.096583][  T464] RIP: 0033:0x7f67a63eebcb
[   30.096722][  T464] 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
[   30.097193][  T464] RSP: 002b:00007ffc69f468e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.097391][  T464] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f67a63eebcb
[   30.097590][  T464] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.097783][  T464] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.097981][  T464] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc69f48b10
[   30.098182][  T464] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc69f4988a
| [   30.102407][  T464] ------------[ cut here ]------------
| [   30.102553][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   30.102779][  T464] Modules linked in:
| [   30.103153][  T464] Tainted: [W]=WARN
[   30.103251][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.103412][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.103587][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.104046][  T464] RSP: 0018:ffa0000001477918 EFLAGS: 00010286
[   30.104216][  T464] RAX: 00000000ffffffa6 RBX: ff11000005091a80 RCX: 1ff400000028eee9
[   30.104409][  T464] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005091b3c
[   30.104608][  T464] RBP: ff1100000d97c000 R08: 1fe2200000a12369 R09: ff1100000fe6d180
[   30.104801][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.104996][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d97c000
[   30.105199][  T464] FS:  00007f67a612c840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.105436][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.105600][  T464] CR2: 00007f67a632dc20 CR3: 000000000f5a1002 CR4: 0000000000771ef0
[   30.105794][  T464] PKRU: 55555554
[   30.105890][  T464] Call Trace:
[   30.105986][  T464]  <TASK>
[   30.106056][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.106196][  T464]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.106327][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.106426][  T464]  register_netdevice (net/core/dev.c:11488)
[   30.106564][  T464]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.106725][  T464]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.106859][  T464]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.106990][  T464]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.107130][  T464]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.107262][  T464]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.107392][  T464]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.107532][  T464]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   30.107666][  T464]  ops_init (net/core/net_namespace.c:137)
[   30.107767][  T464]  setup_net (net/core/net_namespace.c:446)
[   30.107867][  T464]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.107996][  T464]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.108131][  T464]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.108264][  T464]  copy_net_ns (net/core/net_namespace.c:579)
[   30.108395][  T464]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.108535][  T464]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.108670][  T464]  ksys_unshare (kernel/fork.c:3243)
[   30.108802][  T464]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.108936][  T464]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.109065][  T464]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.109200][  T464]  ? __ia32_sys_open (fs/open.c:1374)
[   30.109333][  T464]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.109469][  T464]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.109599][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.109727][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.109858][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.109990][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.110156][  T464] RIP: 0033:0x7f67a63eebcb
[   30.110291][  T464] 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
[   30.110761][  T464] RSP: 002b:00007ffc69f468e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.110956][  T464] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f67a63eebcb
[   30.111163][  T464] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.111357][  T464] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.111557][  T464] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc69f48b10
[   30.111752][  T464] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc69f4988a
| [   30.115578][  T464] ------------[ cut here ]------------
| [   30.115718][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   30.115948][  T464] Modules linked in:
| [   30.116320][  T464] Tainted: [W]=WARN
[   30.116424][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.116594][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.116766][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.117245][  T464] RSP: 0018:ffa00000014778f8 EFLAGS: 00010286
[   30.117414][  T464] RAX: 00000000ffffffa6 RBX: ff1100000dd2e580 RCX: 1ff400000028eee5
[   30.117619][  T464] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2e63c
[   30.117817][  T464] RBP: ff1100000e73c000 R08: 1fe2200001ba5cc9 R09: ff1100000fe6d180
[   30.118016][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.118218][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e73c000
[   30.118416][  T464] FS:  00007f67a612c840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.118656][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.118822][  T464] CR2: 00007f67a632dc20 CR3: 000000000f5a1002 CR4: 0000000000771ef0
[   30.119019][  T464] PKRU: 55555554
[   30.119125][  T464] Call Trace:
[   30.119225][  T464]  <TASK>
[   30.119293][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.119425][  T464]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.119566][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.119668][  T464]  register_netdevice (net/core/dev.c:11488)
[   30.119801][  T464]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.119966][  T464]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.120102][  T464]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.120241][  T464]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.120372][  T464]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.120510][  T464]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.120643][  T464]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.120775][  T464]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   30.120910][  T464]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.121047][  T464]  vti_init_net (net/ipv4/ip_vti.c:517)
[   30.121187][  T464]  ops_init (net/core/net_namespace.c:137)
[   30.121288][  T464]  setup_net (net/core/net_namespace.c:446)
[   30.121392][  T464]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.121528][  T464]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.121663][  T464]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.121796][  T464]  copy_net_ns (net/core/net_namespace.c:579)
[   30.121929][  T464]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.122065][  T464]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.122203][  T464]  ksys_unshare (kernel/fork.c:3243)
[   30.122335][  T464]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.122474][  T464]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.122606][  T464]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.122749][  T464]  ? __ia32_sys_open (fs/open.c:1374)
[   30.122884][  T464]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.123017][  T464]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.123178][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.123373][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.123586][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.123792][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.124050][  T464] RIP: 0033:0x7f67a63eebcb
[   30.124262][  T464] 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
[   30.124758][  T464] RSP: 002b:00007ffc69f468e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.124959][  T464] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f67a63eebcb
[   30.125163][  T464] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.125362][  T464] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.125565][  T464] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc69f48b10
[   30.125763][  T464] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc69f4988a
| [   30.129871][  T464] ------------[ cut here ]------------
| [   30.130010][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   30.130244][  T464] Modules linked in:
| [   30.130616][  T464] Tainted: [W]=WARN
[   30.130714][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.130875][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.131044][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.131518][  T464] RSP: 0018:ffa0000001477a78 EFLAGS: 00010286
[   30.131683][  T464] RAX: 00000000ffffffa6 RBX: ff1100000d069380 RCX: 1ff400000028ef15
[   30.131876][  T464] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d06943c
[   30.132069][  T464] RBP: ff1100001030c000 R08: 1fe2200001a0d289 R09: ff1100000fe6d180
[   30.132267][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.132467][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001030c000
[   30.132665][  T464] FS:  00007f67a612c840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.132893][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.133058][  T464] CR2: 00007f67a632dc20 CR3: 000000000f5a1002 CR4: 0000000000771ef0
[   30.133259][  T464] PKRU: 55555554
[   30.133356][  T464] Call Trace:
[   30.133459][  T464]  <TASK>
[   30.133527][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.133657][  T464]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.133788][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.133890][  T464]  register_netdevice (net/core/dev.c:11488)
[   30.134023][  T464]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.134189][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.134321][  T464]  register_netdev (net/core/dev.c:11552)
[   30.134457][  T464]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   30.134589][  T464]  ops_init (net/core/net_namespace.c:137)
[   30.134689][  T464]  setup_net (net/core/net_namespace.c:446)
[   30.134787][  T464]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.134919][  T464]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.135053][  T464]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.135193][  T464]  copy_net_ns (net/core/net_namespace.c:579)
[   30.135325][  T464]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.135465][  T464]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.135597][  T464]  ksys_unshare (kernel/fork.c:3243)
[   30.135729][  T464]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.135857][  T464]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.135987][  T464]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.136123][  T464]  ? __ia32_sys_open (fs/open.c:1374)
[   30.136254][  T464]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.136383][  T464]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.136520][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.136649][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.136780][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.136910][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.137070][  T464] RIP: 0033:0x7f67a63eebcb
[   30.137212][  T464] 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
[   30.137681][  T464] RSP: 002b:00007ffc69f468e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.137875][  T464] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f67a63eebcb
[   30.138066][  T464] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.138262][  T464] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.138463][  T464] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc69f48b10
[   30.138658][  T464] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc69f4988a
| [   30.142741][  T464] ------------[ cut here ]------------
| [   30.142874][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   30.143094][  T464] Modules linked in:
| [   30.143473][  T464] Tainted: [W]=WARN
[   30.143571][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.143733][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.143904][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.144378][  T464] RSP: 0018:ffa0000001477a68 EFLAGS: 00010286
[   30.144600][  T464] RAX: 00000000ffffffa6 RBX: ff1100000d88aac0 RCX: 1ff400000028ef13
[   30.144887][  T464] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88ab7c
[   30.145088][  T464] RBP: ff11000008b31000 R08: 1fe2200001b11571 R09: ff1100000fe6d180
[   30.145293][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.145493][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b31000
[   30.145688][  T464] FS:  00007f67a612c840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.145913][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.146074][  T464] CR2: 00007f67a632dc20 CR3: 000000000f5a1002 CR4: 0000000000771ef0
[   30.146278][  T464] PKRU: 55555554
[   30.146376][  T464] Call Trace:
[   30.146479][  T464]  <TASK>
[   30.146547][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.146679][  T464]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.146810][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.146910][  T464]  register_netdevice (net/core/dev.c:11488)
[   30.147042][  T464]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.147212][  T464]  register_netdev (net/core/dev.c:11552)
[   30.147342][  T464]  sit_init_net (net/ipv6/sit.c:1860)
[   30.147482][  T464]  ops_init (net/core/net_namespace.c:137)
[   30.147582][  T464]  setup_net (net/core/net_namespace.c:446)
[   30.147682][  T464]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.147812][  T464]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.147944][  T464]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.148079][  T464]  copy_net_ns (net/core/net_namespace.c:579)
[   30.148217][  T464]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.148349][  T464]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.148485][  T464]  ksys_unshare (kernel/fork.c:3243)
[   30.148615][  T464]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.148745][  T464]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.148875][  T464]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.149005][  T464]  ? __ia32_sys_open (fs/open.c:1374)
[   30.149144][  T464]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.149275][  T464]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.149407][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.149541][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.149670][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.149801][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.149965][  T464] RIP: 0033:0x7f67a63eebcb
[   30.150114][  T464] 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
[   30.150595][  T464] RSP: 002b:00007ffc69f468e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.150798][  T464] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f67a63eebcb
[   30.150992][  T464] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.151193][  T464] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.151389][  T464] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc69f48b10
[   30.151589][  T464] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc69f4988a
| [   30.156372][  T464] ------------[ cut here ]------------
| [   30.156513][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   30.156740][  T464] Modules linked in:
| [   30.157103][  T464] Tainted: [W]=WARN
[   30.157208][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.157371][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.157546][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.158010][  T464] RSP: 0018:ffa0000001477a78 EFLAGS: 00010286
[   30.158181][  T464] RAX: 00000000ffffffa6 RBX: ff110000029bb540 RCX: 1ff400000028ef15
[   30.158378][  T464] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bb5fc
[   30.158580][  T464] RBP: ff11000010649000 R08: 1fe22000005376c1 R09: ff1100000fe6d180
[   30.158774][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.158970][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010649000
[   30.159174][  T464] FS:  00007f67a612c840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.159403][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.159573][  T464] CR2: 00007f67a632dc20 CR3: 000000000f5a1002 CR4: 0000000000771ef0
[   30.159770][  T464] PKRU: 55555554
[   30.159866][  T464] Call Trace:
[   30.159963][  T464]  <TASK>
[   30.160030][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.160165][  T464]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.160295][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.160395][  T464]  register_netdevice (net/core/dev.c:11488)
[   30.160532][  T464]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.160697][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.160829][  T464]  register_netdev (net/core/dev.c:11552)
[   30.160960][  T464]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   30.161093][  T464]  ops_init (net/core/net_namespace.c:137)
[   30.161196][  T464]  setup_net (net/core/net_namespace.c:446)
[   30.161296][  T464]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.161425][  T464]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.161564][  T464]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.161697][  T464]  copy_net_ns (net/core/net_namespace.c:579)
[   30.161829][  T464]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.161962][  T464]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.162094][  T464]  ksys_unshare (kernel/fork.c:3243)
[   30.162229][  T464]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.162361][  T464]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.162498][  T464]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.162628][  T464]  ? __ia32_sys_open (fs/open.c:1374)
[   30.162758][  T464]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.162887][  T464]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.163017][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.163152][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.163285][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.163415][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.163583][  T464] RIP: 0033:0x7f67a63eebcb
[   30.163718][  T464] 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
[   30.164188][  T464] RSP: 002b:00007ffc69f468e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.164386][  T464] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f67a63eebcb
[   30.164587][  T464] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.164779][  T464] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.164973][  T464] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc69f48b10
[   30.165175][  T464] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc69f4988a
| [   30.201525][  T465] ------------[ cut here ]------------
| [   30.201709][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/465
| [   30.201984][  T465] Modules linked in:
| [   30.202471][  T465] Tainted: [W]=WARN
[   30.202620][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.202830][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.203047][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.203573][  T465] RSP: 0018:ffa0000001487020 EFLAGS: 00010286
[   30.203782][  T465] RAX: 00000000ffffffa6 RBX: ff1100000b89f8c0 RCX: 1ff4000000290dca
[   30.204020][  T465] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89f97c
[   30.204274][  T465] RBP: ff11000008d61000 R08: 1fe2200001713f31 R09: ff1100000fe6ae58
[   30.204522][  T465] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   30.204761][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.205003][  T465] FS:  00007fe01744a840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   30.205289][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.205510][  T465] CR2: 00000000163e4988 CR3: 000000000f45f003 CR4: 0000000000771ef0
[   30.205754][  T465] PKRU: 55555554
[   30.205900][  T465] Call Trace:
[   30.206043][  T465]  <TASK>
[   30.206170][  T465]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.206351][  T465]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.206505][  T465]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.206680][  T465]  __dev_notify_flags (net/core/dev.c:9787)
[   30.206859][  T465]  ? netif_change_name (net/core/dev.c:1495)
[   30.207036][  T465]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.207227][  T465]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.207402][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.207590][  T465]  ? 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))
[   30.207770][  T465]  netif_change_flags (net/core/dev.c:9820)
[   30.207949][  T465]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.208138][  T465]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.208320][  T465]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.208507][  T465]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.208721][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.208899][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.209076][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.209265][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.209450][  T465]  ? __kernel_text_address (kernel/extable.c:79)
[   30.209627][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.209807][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.209985][  T465]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.210173][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.210350][  T465]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.210535][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.210710][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.210888][  T465]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.211065][  T465]  ? __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)
[   30.211255][  T465]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.211440][  T465]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.211619][  T465]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.211798][  T465]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.211977][  T465]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.212168][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.212341][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.212527][  T465]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.212705][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.212880][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.213058][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.213246][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.213424][  T465]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.213610][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.213786][  T465]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.213965][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.214160][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.214338][  T465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.214523][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.214705][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.214878][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.215059][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.215247][  T465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.215424][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.215617][  T465]  ? 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))
[   30.215791][  T465]  ? 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))
[   30.215968][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.216161][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.216337][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.216524][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.216704][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.216883][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.217062][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.217251][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.217426][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.217640][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   30.217818][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.217993][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.218183][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   30.218362][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.218573][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.218760][  T465]  __sys_sendmsg (net/socket.c:2784)
[   30.218937][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.219110][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.219332][  T465]  ? 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)
[   30.219517][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.219699][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.219874][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.220049][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.220236][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.220448][  T465] RIP: 0033:0x7fe01768408e
[   30.220628][  T465] 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
[   30.221142][  T465] RSP: 002b:00007ffec6e44e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.221382][  T465] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe01768408e
[   30.221628][  T465] RDX: 0000000000000000 RSI: 00007ffec6e44ef0 RDI: 0000000000000005
[   30.221869][  T465] RBP: 00007ffec6e44e50 R08: 0000000000000000 R09: 0000000000000000
[   30.222106][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e316
[   30.222356][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec6e455c0
| [   30.421424][  T473] ------------[ cut here ]------------
| [   30.421597][  T473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/473
| [   30.421831][  T473] Modules linked in:
| [   30.422225][  T473] Tainted: [W]=WARN
[   30.422327][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.422501][  T473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.422674][  T473] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.423141][  T473] RSP: 0018:ffa00000014d7a80 EFLAGS: 00010286
[   30.423307][  T473] RAX: 00000000ffffffa6 RBX: ff1100000daa1000 RCX: 1ff400000029af16
[   30.423511][  T473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa10bc
[   30.423706][  T473] RBP: ff1100000a1f9000 R08: 1fe2200001b54219 R09: ff1100000fced180
[   30.423898][  T473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.424095][  T473] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a1f9000
[   30.424298][  T473] FS:  00007fe378c2d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.424541][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.424706][  T473] CR2: 00007fe378e2ec20 CR3: 0000000008eaf005 CR4: 0000000000771ef0
[   30.424911][  T473] PKRU: 55555554
[   30.425008][  T473] Call Trace:
[   30.425109][  T473]  <TASK>
[   30.425183][  T473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.425316][  T473]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.425452][  T473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.425551][  T473]  register_netdevice (net/core/dev.c:11488)
[   30.425684][  T473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.425848][  T473]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.425981][  T473]  register_netdev (net/core/dev.c:11552)
[   30.426112][  T473]  loopback_net_init (drivers/net/loopback.c:218)
[   30.426250][  T473]  ops_init (net/core/net_namespace.c:137)
[   30.426351][  T473]  setup_net (net/core/net_namespace.c:446)
[   30.426454][  T473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.426583][  T473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.426719][  T473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.426913][  T473]  copy_net_ns (net/core/net_namespace.c:579)
[   30.427112][  T473]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.427255][  T473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.427385][  T473]  ksys_unshare (kernel/fork.c:3243)
[   30.427521][  T473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.427653][  T473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.427783][  T473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.427917][  T473]  ? __ia32_sys_open (fs/open.c:1374)
[   30.428052][  T473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.428253][  T473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.428385][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.428520][  T473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.428652][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.428782][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.428945][  T473] RIP: 0033:0x7fe378eefbcb
[   30.429084][  T473] 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
[   30.429634][  T473] RSP: 002b:00007ffccb8aa478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.429832][  T473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe378eefbcb
[   30.430030][  T473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.430290][  T473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.430489][  T473] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffccb8ac6a0
[   30.430684][  T473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffccb8ad88a
| [   30.434968][  T473] ------------[ cut here ]------------
| [   30.435106][  T473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/473
| [   30.435338][  T473] Modules linked in:
| [   30.435707][  T473] Tainted: [W]=WARN
[   30.435805][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.435965][  T473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.436216][  T473] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.436760][  T473] RSP: 0018:ffa00000014d7918 EFLAGS: 00010286
[   30.436926][  T473] RAX: 00000000ffffffa6 RBX: ff1100000dd2e900 RCX: 1ff400000029aee9
[   30.437126][  T473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2e9bc
[   30.437322][  T473] RBP: ff110000078f1000 R08: 1fe2200001ba5d39 R09: ff1100000fced180
[   30.437519][  T473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.437791][  T473] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000078f1000
[   30.438098][  T473] FS:  00007fe378c2d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.438475][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.438735][  T473] CR2: 00007fe378e2ec20 CR3: 0000000008eaf005 CR4: 0000000000771ef0
[   30.439040][  T473] PKRU: 55555554
[   30.439201][  T473] Call Trace:
[   30.439354][  T473]  <TASK>
[   30.439467][  T473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.439674][  T473]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.439865][  T473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.439981][  T473]  register_netdevice (net/core/dev.c:11488)
[   30.440112][  T473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.440282][  T473]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.440414][  T473]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.440553][  T473]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.440683][  T473]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.440816][  T473]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.440950][  T473]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.441081][  T473]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   30.441219][  T473]  ops_init (net/core/net_namespace.c:137)
[   30.441320][  T473]  setup_net (net/core/net_namespace.c:446)
[   30.441418][  T473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.441555][  T473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.441686][  T473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.441820][  T473]  copy_net_ns (net/core/net_namespace.c:579)
[   30.441955][  T473]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.442088][  T473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.442225][  T473]  ksys_unshare (kernel/fork.c:3243)
[   30.442357][  T473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.442495][  T473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.442625][  T473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.442758][  T473]  ? __ia32_sys_open (fs/open.c:1374)
[   30.442888][  T473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.443023][  T473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.443159][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.443289][  T473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.443451][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.443580][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.443740][  T473] RIP: 0033:0x7fe378eefbcb
[   30.443878][  T473] 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
[   30.444347][  T473] RSP: 002b:00007ffccb8aa478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.444549][  T473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe378eefbcb
[   30.444741][  T473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.444936][  T473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.445131][  T473] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffccb8ac6a0
[   30.445326][  T473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffccb8ad88a
| [   30.449593][  T473] ------------[ cut here ]------------
| [   30.449734][  T473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/473
| [   30.449964][  T473] Modules linked in:
| [   30.450343][  T473] Tainted: [W]=WARN
[   30.450448][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.450614][  T473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.450786][  T473] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.451262][  T473] RSP: 0018:ffa00000014d78f8 EFLAGS: 00010286
[   30.451426][  T473] RAX: 00000000ffffffa6 RBX: ff1100000d88b8c0 RCX: 1ff400000029aee5
[   30.451627][  T473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88b97c
[   30.451824][  T473] RBP: ff1100000e779000 R08: 1fe2200001b11731 R09: ff1100000fced180
[   30.452018][  T473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.452232][  T473] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e779000
[   30.452433][  T473] FS:  00007fe378c2d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.452669][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.452834][  T473] CR2: 00007fe378e2ec20 CR3: 0000000008eaf005 CR4: 0000000000771ef0
[   30.453032][  T473] PKRU: 55555554
[   30.453133][  T473] Call Trace:
[   30.453233][  T473]  <TASK>
[   30.453301][  T473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.453436][  T473]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.453568][  T473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.453669][  T473]  register_netdevice (net/core/dev.c:11488)
[   30.453801][  T473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.453964][  T473]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.454098][  T473]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.454237][  T473]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.454368][  T473]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.454506][  T473]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.454637][  T473]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.454771][  T473]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   30.454903][  T473]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.455036][  T473]  vti_init_net (net/ipv4/ip_vti.c:517)
[   30.455174][  T473]  ops_init (net/core/net_namespace.c:137)
[   30.455275][  T473]  setup_net (net/core/net_namespace.c:446)
[   30.455375][  T473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.455512][  T473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.455642][  T473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.455776][  T473]  copy_net_ns (net/core/net_namespace.c:579)
[   30.455909][  T473]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.456042][  T473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.456182][  T473]  ksys_unshare (kernel/fork.c:3243)
[   30.456314][  T473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.456452][  T473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.456586][  T473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.456717][  T473]  ? __ia32_sys_open (fs/open.c:1374)
[   30.456850][  T473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.456981][  T473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.457112][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.457248][  T473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.457380][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.457521][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.457682][  T473] RIP: 0033:0x7fe378eefbcb
[   30.457819][  T473] 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
[   30.458293][  T473] RSP: 002b:00007ffccb8aa478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.458502][  T473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe378eefbcb
[   30.458697][  T473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.458891][  T473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.459089][  T473] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffccb8ac6a0
[   30.459294][  T473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffccb8ad88a
| [   30.463423][  T473] ------------[ cut here ]------------
| [   30.463569][  T473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/473
| [   30.463795][  T473] Modules linked in:
| [   30.464163][  T473] Tainted: [W]=WARN
[   30.464262][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.464425][  T473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.464604][  T473] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.465069][  T473] RSP: 0018:ffa00000014d7a78 EFLAGS: 00010286
[   30.465245][  T473] RAX: 00000000ffffffa6 RBX: ff11000009aed380 RCX: 1ff400000029af15
[   30.465443][  T473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aed43c
[   30.465636][  T473] RBP: ff1100000e741000 R08: 1fe220000135da89 R09: ff1100000fced180
[   30.465829][  T473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.466022][  T473] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e741000
[   30.466230][  T473] FS:  00007fe378c2d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.466467][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.466631][  T473] CR2: 00007fe378e2ec20 CR3: 0000000008eaf005 CR4: 0000000000771ef0
[   30.466830][  T473] PKRU: 55555554
[   30.466928][  T473] Call Trace:
[   30.467028][  T473]  <TASK>
[   30.467096][  T473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.467319][  T473]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.467456][  T473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.467557][  T473]  register_netdevice (net/core/dev.c:11488)
[   30.467688][  T473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.467851][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.468074][  T473]  register_netdev (net/core/dev.c:11552)
[   30.468211][  T473]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   30.468343][  T473]  ops_init (net/core/net_namespace.c:137)
[   30.468447][  T473]  setup_net (net/core/net_namespace.c:446)
[   30.468631][  T473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.468760][  T473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.468890][  T473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.469023][  T473]  copy_net_ns (net/core/net_namespace.c:579)
[   30.469250][  T473]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.469383][  T473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.469519][  T473]  ksys_unshare (kernel/fork.c:3243)
[   30.469651][  T473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.469867][  T473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.469997][  T473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.470132][  T473]  ? __ia32_sys_open (fs/open.c:1374)
[   30.470268][  T473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.470488][  T473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.470617][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.470744][  T473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.470875][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.471092][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.471258][  T473] RIP: 0033:0x7fe378eefbcb
[   30.471395][  T473] 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
[   30.471956][  T473] RSP: 002b:00007ffccb8aa478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.472158][  T473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe378eefbcb
[   30.472444][  T473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.472637][  T473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.472915][  T473] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffccb8ac6a0
[   30.473110][  T473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffccb8ad88a
| [   30.477832][  T473] ------------[ cut here ]------------
| [   30.478048][  T473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/473
| [   30.478280][  T473] Modules linked in:
| [   30.478742][  T473] Tainted: [W]=WARN
[   30.478839][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.479001][  T473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.479268][  T473] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.479748][  T473] RSP: 0018:ffa00000014d7a68 EFLAGS: 00010286
[   30.480001][  T473] RAX: 00000000ffffffa6 RBX: ff1100000daa1c40 RCX: 1ff400000029af13
[   30.480198][  T473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa1cfc
[   30.480392][  T473] RBP: ff1100000f559000 R08: 1fe2200001b543a1 R09: ff1100000fced180
[   30.480680][  T473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.480873][  T473] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f559000
[   30.481160][  T473] FS:  00007fe378c2d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.481388][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.481558][  T473] CR2: 00007fe378e2ec20 CR3: 0000000008eaf005 CR4: 0000000000771ef0
[   30.481841][  T473] PKRU: 55555554
[   30.481937][  T473] Call Trace:
[   30.482033][  T473]  <TASK>
[   30.482099][  T473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.482234][  T473]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.482456][  T473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.482557][  T473]  register_netdevice (net/core/dev.c:11488)
[   30.482688][  T473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.482852][  T473]  register_netdev (net/core/dev.c:11552)
[   30.483067][  T473]  sit_init_net (net/ipv6/sit.c:1860)
[   30.483204][  T473]  ops_init (net/core/net_namespace.c:137)
[   30.483304][  T473]  setup_net (net/core/net_namespace.c:446)
[   30.483403][  T473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.483621][  T473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.483755][  T473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.483887][  T473]  copy_net_ns (net/core/net_namespace.c:579)
[   30.484019][  T473]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.484157][  T473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.484289][  T473]  ksys_unshare (kernel/fork.c:3243)
[   30.484420][  T473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.484559][  T473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.484775][  T473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.484908][  T473]  ? __ia32_sys_open (fs/open.c:1374)
[   30.485041][  T473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.485176][  T473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.485392][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.485528][  T473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.485657][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.485791][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.486035][  T473] RIP: 0033:0x7fe378eefbcb
[   30.486175][  T473] 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
[   30.486734][  T473] RSP: 002b:00007ffccb8aa478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.486932][  T473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe378eefbcb
[   30.487130][  T473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.487324][  T473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.487520][  T473] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffccb8ac6a0
[   30.487717][  T473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffccb8ad88a
| [   30.492458][  T473] ------------[ cut here ]------------
| [   30.492595][  T473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/473
| [   30.492820][  T473] Modules linked in:
| [   30.493293][  T473] Tainted: [W]=WARN
[   30.493391][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.493649][  T473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.493820][  T473] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.494295][  T473] RSP: 0018:ffa00000014d7a78 EFLAGS: 00010286
[   30.494466][  T473] RAX: 00000000ffffffa6 RBX: ff1100000b89e740 RCX: 1ff400000029af15
[   30.494664][  T473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89e7fc
[   30.494947][  T473] RBP: ff11000010194000 R08: 1fe2200001713d01 R09: ff1100000fced180
[   30.495145][  T473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.495428][  T473] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010194000
[   30.495632][  T473] FS:  00007fe378c2d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   30.495863][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.496122][  T473] CR2: 00007fe378e2ec20 CR3: 0000000008eaf005 CR4: 0000000000771ef0
[   30.496320][  T473] PKRU: 55555554
[   30.496417][  T473] Call Trace:
[   30.496520][  T473]  <TASK>
[   30.496676][  T473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.496808][  T473]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.496938][  T473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.497039][  T473]  register_netdevice (net/core/dev.c:11488)
[   30.497177][  T473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.497341][  T473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.497480][  T473]  register_netdev (net/core/dev.c:11552)
[   30.497612][  T473]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   30.497835][  T473]  ops_init (net/core/net_namespace.c:137)
[   30.497937][  T473]  setup_net (net/core/net_namespace.c:446)
[   30.498037][  T473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.498172][  T473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.498303][  T473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.498529][  T473]  copy_net_ns (net/core/net_namespace.c:579)
[   30.498662][  T473]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.498797][  T473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.498928][  T473]  ksys_unshare (kernel/fork.c:3243)
[   30.499155][  T473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.499287][  T473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.499419][  T473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.499557][  T473]  ? __ia32_sys_open (fs/open.c:1374)
[   30.499776][  T473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.499908][  T473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.500039][  T473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.500259][  T473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.500390][  T473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.500526][  T473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.500687][  T473] RIP: 0033:0x7fe378eefbcb
[   30.500915][  T473] 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
[   30.501394][  T473] RSP: 002b:00007ffccb8aa478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.501684][  T473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe378eefbcb
[   30.501877][  T473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.502165][  T473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.502359][  T473] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffccb8ac6a0
[   30.502559][  T473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffccb8ad88a
| [   30.542593][  T474] ------------[ cut here ]------------
| [   30.542743][  T474] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/474
| [   30.542974][  T474] Modules linked in:
| [   30.543350][  T474] Tainted: [W]=WARN
[   30.543455][  T474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.543619][  T474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.543791][  T474] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.544260][  T474] RSP: 0018:ffa00000014e7020 EFLAGS: 00010286
[   30.544422][  T474] RAX: 00000000ffffffa6 RBX: ff110000029ba580 RCX: 1ff400000029cdca
[   30.544623][  T474] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029ba63c
[   30.544816][  T474] RBP: ff1100000a1f9000 R08: 1fe22000005374c9 R09: ff1100000ff6ae58
[   30.545009][  T474] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   30.545210][  T474] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.545402][  T474] FS:  00007f5c59170840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   30.545636][  T474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.545798][  T474] CR2: 00007f5c594401a0 CR3: 000000001088e002 CR4: 0000000000771ef0
[   30.545993][  T474] PKRU: 55555554
[   30.546091][  T474] Call Trace:
[   30.546191][  T474]  <TASK>
[   30.546258][  T474]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.546390][  T474]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.546494][  T474]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.546621][  T474]  __dev_notify_flags (net/core/dev.c:9787)
[   30.546752][  T474]  ? netif_change_name (net/core/dev.c:1495)
[   30.546882][  T474]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.547013][  T474]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.547145][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.547277][  T474]  ? 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))
[   30.547408][  T474]  netif_change_flags (net/core/dev.c:9820)
[   30.547540][  T474]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.547670][  T474]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.547802][  T474]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.547931][  T474]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.548091][  T474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.548223][  T474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.548353][  T474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.548486][  T474]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.548618][  T474]  ? __kernel_text_address (kernel/extable.c:79)
[   30.548747][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.548878][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.549007][  T474]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.549142][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.549272][  T474]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.549401][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.549538][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.549666][  T474]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.549795][  T474]  ? __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)
[   30.549936][  T474]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.550100][  T474]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.550308][  T474]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.550511][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.550645][  T474]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.550779][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.550908][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.551036][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.551175][  T474]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.551304][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.551440][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.551568][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.551696][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.551826][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.551956][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.552085][  T474]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.552218][  T474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.552345][  T474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.552477][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.552608][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.552736][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.552865][  T474]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.552994][  T474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.553128][  T474]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.553260][  T474]  ? 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))
[   30.553386][  T474]  ? 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))
[   30.553520][  T474]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.553651][  T474]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.553783][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.553913][  T474]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.554045][  T474]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.554181][  T474]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.554311][  T474]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.554448][  T474]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.554577][  T474]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.554738][  T474]  ? move_addr_to_kernel (net/socket.c:258)
[   30.554868][  T474]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.554996][  T474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.555130][  T474]  ___sys_sendmsg (net/socket.c:2752)
[   30.555259][  T474]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.555419][  T474]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.555564][  T474]  __sys_sendmsg (net/socket.c:2784)
[   30.555696][  T474]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.555823][  T474]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.555986][  T474]  ? 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)
[   30.556113][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.556249][  T474]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.556379][  T474]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.556510][  T474]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.556638][  T474]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.556800][  T474] RIP: 0033:0x7f5c593aa08e
[   30.556934][  T474] 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
[   30.557395][  T474] RSP: 002b:00007fff57b2fe50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.557598][  T474] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5c593aa08e
[   30.557789][  T474] RDX: 0000000000000000 RSI: 00007fff57b2ff00 RDI: 0000000000000005
[   30.557979][  T474] RBP: 00007fff57b2fe60 R08: 0000000000000000 R09: 0000000000000000
[   30.558175][  T474] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e316
[   30.558365][  T474] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff57b305d0
| [   31.724354][  T504] ------------[ cut here ]------------
| [   31.724592][  T504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/504
| [   31.724882][  T504] Modules linked in:
| [   31.725376][  T504] Tainted: [W]=WARN
[   31.725536][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.725756][  T504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.725983][  T504] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.726534][  T504] RSP: 0018:ffa00000016b6e30 EFLAGS: 00010286
[   31.726753][  T504] RAX: 00000000ffffffa6 RBX: ff1100000de07700 RCX: 1ff40000002d6d8c
[   31.727002][  T504] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de077bc
[   31.727263][  T504] RBP: ff1100000e77c000 R08: 1fe2200001bc0ef9 R09: ff1100000a8dae80
[   31.727518][  T504] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   31.727764][  T504] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d80f880
[   31.728016][  T504] FS:  00007fe7ec368840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   31.728315][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.728545][  T504] CR2: 000000000042ebe0 CR3: 000000000fdab003 CR4: 0000000000771ef0
[   31.728796][  T504] PKRU: 55555554
[   31.728944][  T504] Call Trace:
[   31.729092][  T504]  <TASK>
[   31.729222][  T504]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   31.729448][  T504]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.729636][  T504]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.729786][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.729971][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.730166][  T504]  __dev_notify_flags (net/core/dev.c:9787)
[   31.730351][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.730541][  T504]  ? netif_change_name (net/core/dev.c:1495)
[   31.730726][  T504]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   31.730910][  T504]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   31.731093][  T504]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.731288][  T504]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   31.731478][  T504]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   31.731665][  T504]  veth_newlink (drivers/net/veth.c:1871)
[   31.731848][  T504]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   31.732028][  T504]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.732225][  T504]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.732410][  T504]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.732619][  T504]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   31.732802][  T504]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   31.732988][  T504]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   31.733182][  T504]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   31.733370][  T504]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   31.733568][  T504]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   31.733758][  T504]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.733939][  T504]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.734133][  T504]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.734321][  T504]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.734516][  T504]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.734704][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.734888][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.735101][  T504]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.735296][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.735482][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.735668][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.735853][  T504]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.736036][  T504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.736233][  T504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.736418][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.736613][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.736803][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.736985][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.737184][  T504]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.737370][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.737562][  T504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.737753][  T504]  ? 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))
[   31.737934][  T504]  ? 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))
[   31.738397][  T504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.738591][  T504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.738777][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.738960][  T504]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.739158][  T504]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.739342][  T504]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.739537][  T504]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.739721][  T504]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.739902][  T504]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.740129][  T504]  ? move_addr_to_kernel (net/socket.c:258)
[   31.740316][  T504]  ___sys_sendmsg (net/socket.c:2752)
[   31.740508][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.740691][  T504]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.740882][  T504]  ? 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))
[   31.741066][  T504]  __sys_sendmsg (net/socket.c:2784)
[   31.741261][  T504]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.741451][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.741633][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.741816][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.741997][  T504]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.742197][  T504]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.742381][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.742605][  T504] RIP: 0033:0x7fe7ec5a208e
[   31.742794][  T504] 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
[   31.743333][  T504] RSP: 002b:00007ffc7e2be170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.743589][  T504] RAX: ffffffffffffffda RBX: 00007ffc7e2be908 RCX: 00007fe7ec5a208e
[   31.743836][  T504] RDX: 0000000000000000 RSI: 00007ffc7e2be220 RDI: 0000000000000005
[   31.744085][  T504] RBP: 00007ffc7e2be180 R08: 0000000000000000 R09: 0000000000000000
[   31.744347][  T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e317
[   31.744603][  T504] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7e2be8e0
| [   31.752853][  T504] ------------[ cut here ]------------
| [   31.753041][  T504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/504
| [   31.753869][  T504] Modules linked in:
| [   31.754488][  T504] Tainted: [W]=WARN
[   31.754694][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.754970][  T504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.755270][  T504] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.755856][  T504] RSP: 0018:ffa00000016b71b0 EFLAGS: 00010286
[   31.756144][  T504] RAX: 00000000ffffffa6 RBX: ff1100000a095e00 RCX: 1ff40000002d6dfc
[   31.756454][  T504] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a095ebc
[   31.756756][  T504] RBP: ff1100000ffd4000 R08: 1fe2200001412bd9 R09: ff1100000a8dae80
[   31.757059][  T504] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   31.757374][  T504] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   31.757688][  T504] FS:  00007fe7ec368840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   31.758035][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.758322][  T504] CR2: 000000000042ebe0 CR3: 000000000fdab003 CR4: 0000000000771ef0
[   31.758635][  T504] PKRU: 55555554
[   31.758840][  T504] Call Trace:
[   31.759045][  T504]  <TASK>
[   31.759230][  T504]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.759482][  T504]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.759692][  T504]  __dev_notify_flags (net/core/dev.c:9787)
[   31.759934][  T504]  ? netif_change_name (net/core/dev.c:1495)
[   31.760188][  T504]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   31.760429][  T504]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   31.760678][  T504]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.760916][  T504]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   31.761176][  T504]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.761417][  T504]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.761663][  T504]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.761905][  T504]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.762165][  T504]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.762405][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.762648][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.762885][  T504]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.763140][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.763378][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.763631][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.763873][  T504]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.764111][  T504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.764415][  T504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.764662][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.764900][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.765157][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.765393][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.765639][  T504]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.765820][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.766003][  T504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.766203][  T504]  ? 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))
[   31.766384][  T504]  ? 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))
[   31.766581][  T504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.766765][  T504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.766946][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.767142][  T504]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.767326][  T504]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.767515][  T504]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.767699][  T504]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.767882][  T504]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.768067][  T504]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.768293][  T504]  ? move_addr_to_kernel (net/socket.c:258)
[   31.768486][  T504]  ___sys_sendmsg (net/socket.c:2752)
[   31.768667][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.768851][  T504]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.769041][  T504]  ? 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))
[   31.769238][  T504]  __sys_sendmsg (net/socket.c:2784)
[   31.769422][  T504]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.769615][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.769797][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.769981][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.770178][  T504]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.770361][  T504]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.770548][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.770762][  T504] RIP: 0033:0x7fe7ec5a208e
[   31.770955][  T504] 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
[   31.771492][  T504] RSP: 002b:00007ffc7e2be170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.771740][  T504] RAX: ffffffffffffffda RBX: 00007ffc7e2be908 RCX: 00007fe7ec5a208e
[   31.771991][  T504] RDX: 0000000000000000 RSI: 00007ffc7e2be220 RDI: 0000000000000005
[   31.772251][  T504] RBP: 00007ffc7e2be180 R08: 0000000000000000 R09: 0000000000000000
[   31.772506][  T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e317
[   31.772751][  T504] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7e2be8e0
| [   31.826409][  T505] ------------[ cut here ]------------
| [   31.826570][  T505] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/505
| [   31.826800][  T505] Modules linked in:
| [   31.827182][  T505] Tainted: [W]=WARN
[   31.827284][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.827464][  T505] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.827639][  T505] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.828104][  T505] RSP: 0018:ffa00000016c7020 EFLAGS: 00010286
[   31.828275][  T505] RAX: 00000000ffffffa6 RBX: ff1100000a095000 RCX: 1ff40000002d8dca
[   31.828479][  T505] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0950bc
[   31.828673][  T505] RBP: ff1100000ffd4000 R08: 1fe2200001412a19 R09: ff11000008e35158
[   31.828866][  T505] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   31.829062][  T505] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.829265][  T505] FS:  00007fb0f08bd840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   31.829499][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.829661][  T505] CR2: 0000000031ead988 CR3: 00000000109d5005 CR4: 0000000000771ef0
[   31.829855][  T505] PKRU: 55555554
[   31.829954][  T505] Call Trace:
[   31.830052][  T505]  <TASK>
[   31.830129][  T505]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.830263][  T505]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.830361][  T505]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.830500][  T505]  __dev_notify_flags (net/core/dev.c:9787)
[   31.830632][  T505]  ? netif_change_name (net/core/dev.c:1495)
[   31.830762][  T505]  ? __dev_change_flags (net/core/dev.c:9752)
[   31.830892][  T505]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.831023][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.831162][  T505]  ? 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))
[   31.831294][  T505]  netif_change_flags (net/core/dev.c:9820)
[   31.831424][  T505]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.831561][  T505]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.831693][  T505]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.831824][  T505]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.831992][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.832127][  T505]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.832258][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.832386][  T505]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.832524][  T505]  ? __kernel_text_address (kernel/extable.c:79)
[   31.832654][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.832786][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.832916][  T505]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.833047][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.833182][  T505]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.833311][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.833445][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.833576][  T505]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.833707][  T505]  ? __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)
[   31.833838][  T505]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.833968][  T505]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.834100][  T505]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.834240][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.834374][  T505]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.834512][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.834642][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.834772][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.834903][  T505]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.835034][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.835172][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.835301][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.835432][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.835568][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.835701][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.835833][  T505]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.835965][  T505]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.836094][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.836227][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.836358][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.836495][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.836633][  T505]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.836763][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.836898][  T505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.837034][  T505]  ? 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))
[   31.837169][  T505]  ? 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))
[   31.837317][  T505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.837501][  T505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.837635][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.837771][  T505]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.837904][  T505]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.838037][  T505]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.838177][  T505]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.838330][  T505]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.838524][  T505]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.838742][  T505]  ? move_addr_to_kernel (net/socket.c:258)
[   31.838936][  T505]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.839160][  T505]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.839360][  T505]  ___sys_sendmsg (net/socket.c:2752)
[   31.839515][  T505]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.839680][  T505]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.839822][  T505]  __sys_sendmsg (net/socket.c:2784)
[   31.839955][  T505]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.840085][  T505]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.840260][  T505]  ? 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)
[   31.840396][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.840534][  T505]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.840665][  T505]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.840796][  T505]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.840928][  T505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.841090][  T505] RIP: 0033:0x7fb0f0af708e
[   31.841232][  T505] 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
[   31.841710][  T505] RSP: 002b:00007ffd84a35d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.841909][  T505] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb0f0af708e
[   31.842105][  T505] RDX: 0000000000000000 RSI: 00007ffd84a35dc0 RDI: 0000000000000005
[   31.842307][  T505] RBP: 00007ffd84a35d20 R08: 0000000000000000 R09: 0000000000000000
[   31.842521][  T505] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   31.842714][  T505] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd84a36480
| [   31.915344][  T506] ------------[ cut here ]------------
| [   31.915570][  T506] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/506
| [   31.915844][  T506] Modules linked in:
| [   31.916321][  T506] Tainted: [W]=WARN
[   31.916475][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.916682][  T506] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.916897][  T506] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.917414][  T506] RSP: 0018:ffa00000016d6ff8 EFLAGS: 00010286
[   31.917643][  T506] RAX: 00000000ffffffa6 RBX: ff11000010940740 RCX: 1ff40000002dadc5
[   31.917880][  T506] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109407fc
[   31.918150][  T506] RBP: ff1100000e77c000 R08: 1fe2200002128101 R09: ff11000008e32e58
[   31.918386][  T506] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   31.918635][  T506] R13: 0000000000000000 R14: ffa00000016d7140 R15: ff11000004d603d0
[   31.918875][  T506] FS:  00007ff93291b840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   31.919214][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.919422][  T506] CR2: 000000002a271988 CR3: 000000000f054001 CR4: 0000000000771ef0
[   31.919673][  T506] PKRU: 55555554
[   31.919817][  T506] Call Trace:
[   31.919960][  T506]  <TASK>
[   31.920074][  T506]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   31.920265][  T506]  __dev_change_net_namespace (net/core/dev.c:12635)
[   31.920484][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.920660][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.920837][  T506]  ? default_device_exit_batch (net/core/dev.c:13091)
[   31.921045][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.921233][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.921410][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.921595][  T506]  ? 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))
[   31.921774][  T506]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.921953][  T506]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   31.922147][  T506]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.922322][  T506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.922536][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.922711][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.922887][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.923062][  T506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.923254][  T506]  ? __kernel_text_address (kernel/extable.c:79)
[   31.923431][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.923619][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.923795][  T506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.923972][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.924159][  T506]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.924334][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.924519][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.924696][  T506]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.924877][  T506]  ? __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)
[   31.925053][  T506]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.925240][  T506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.925416][  T506]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.925616][  T506]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.925795][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.925974][  T506]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.926182][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.926359][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.926544][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.926718][  T506]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.926891][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.927068][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.927254][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.927430][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.927616][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.927793][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.927970][  T506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.928156][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.928330][  T506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.928512][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.928691][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.928863][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.929043][  T506]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.929231][  T506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.929406][  T506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.929596][  T506]  ? 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))
[   31.929771][  T506]  ? 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))
[   31.929946][  T506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.930134][  T506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.930314][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.930498][  T506]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.930675][  T506]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.930853][  T506]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.931031][  T506]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.931220][  T506]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.931395][  T506]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.931607][  T506]  ? move_addr_to_kernel (net/socket.c:258)
[   31.931789][  T506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.931963][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.932153][  T506]  ___sys_sendmsg (net/socket.c:2752)
[   31.932326][  T506]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.932540][  T506]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.932728][  T506]  __sys_sendmsg (net/socket.c:2784)
[   31.932905][  T506]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.933083][  T506]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.933300][  T506]  ? 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)
[   31.933483][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.933659][  T506]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.933834][  T506]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.934009][  T506]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.934198][  T506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.934404][  T506] RIP: 0033:0x7ff932b5508e
[   31.934594][  T506] 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
[   31.935090][  T506] RSP: 002b:00007ffd40b46ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.935341][  T506] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff932b5508e
[   31.935594][  T506] RDX: 0000000000000000 RSI: 00007ffd40b46b90 RDI: 0000000000000005
[   31.935831][  T506] RBP: 00007ffd40b46af0 R08: 0000000000000000 R09: 0000000000000000
[   31.936068][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   31.936317][  T506] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd40b47250
| [   31.939377][  T506] ------------[ cut here ]------------
| [   31.939560][  T506] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/506
| [   31.939836][  T506] Modules linked in:
| [   31.940308][  T506] Tainted: [W]=WARN
[   31.940460][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.940670][  T506] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.940887][  T506] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.941408][  T506] RSP: 0018:ffa00000016d6fc0 EFLAGS: 00010286
[   31.941630][  T506] RAX: 00000000ffffffa6 RBX: ff110000109418c0 RCX: 1ff40000002dadbe
[   31.941871][  T506] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001094197c
[   31.942128][  T506] RBP: ff1100000e77c000 R08: 1fe2200002128331 R09: ff11000008e32e58
[   31.942366][  T506] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   31.942611][  T506] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004d603d0
[   31.942851][  T506] FS:  00007ff93291b840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   31.943139][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.943350][  T506] CR2: 000000002a271988 CR3: 000000000f054001 CR4: 0000000000771ef0
[   31.943598][  T506] PKRU: 55555554
[   31.943743][  T506] Call Trace:
[   31.943891][  T506]  <TASK>
[   31.944006][  T506]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.944199][  T506]  ? notifier_call_chain (kernel/notifier.c:85)
[   31.944381][  T506]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.944537][  T506]  __dev_change_net_namespace (net/core/dev.c:12695)
[   31.944748][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.944923][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.945101][  T506]  ? default_device_exit_batch (net/core/dev.c:13091)
[   31.945323][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.945514][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.945694][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.945873][  T506]  ? 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))
[   31.946151][  T506]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.946331][  T506]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   31.946518][  T506]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.946696][  T506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.946989][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.947179][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.947356][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.947628][  T506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.947805][  T506]  ? __kernel_text_address (kernel/extable.c:79)
[   31.947985][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.948172][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.948445][  T506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.948624][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.948802][  T506]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.948978][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.949252][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.949429][  T506]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.949617][  T506]  ? __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)
[   31.949795][  T506]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.950061][  T506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.950253][  T506]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.950431][  T506]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.950620][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.950884][  T506]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.951063][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.951250][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.951428][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.951699][  T506]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.951875][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.952056][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.952245][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.952516][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.952701][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.952881][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.953060][  T506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.953333][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.953515][  T506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.953692][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.953874][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.954144][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.954323][  T506]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.954506][  T506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.954689][  T506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.954955][  T506]  ? 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))
[   31.955144][  T506]  ? 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))
[   31.955323][  T506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.955511][  T506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.955771][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.955948][  T506]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.956146][  T506]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.956324][  T506]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.956596][  T506]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.956773][  T506]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.956950][  T506]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.957168][  T506]  ? move_addr_to_kernel (net/socket.c:258)
[   31.957430][  T506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.957620][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.957800][  T506]  ___sys_sendmsg (net/socket.c:2752)
[   31.957976][  T506]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.958282][  T506]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.958478][  T506]  __sys_sendmsg (net/socket.c:2784)
[   31.958659][  T506]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.958833][  T506]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.959142][  T506]  ? 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)
[   31.959324][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.959512][  T506]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.959688][  T506]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.959950][  T506]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.960142][  T506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.960349][  T506] RIP: 0033:0x7ff932b5508e
[   31.960630][  T506] 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
[   31.961144][  T506] RSP: 002b:00007ffd40b46ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.961475][  T506] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff932b5508e
[   31.961714][  T506] RDX: 0000000000000000 RSI: 00007ffd40b46b90 RDI: 0000000000000005
[   31.962042][  T506] RBP: 00007ffd40b46af0 R08: 0000000000000000 R09: 0000000000000000
[   31.962291][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   31.962536][  T506] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd40b47250
| [   31.965283][  T506] ------------[ cut here ]------------
| [   31.965460][  T506] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/506
| [   31.965808][  T506] Modules linked in:
| [   31.966340][  T506] Tainted: [W]=WARN
[   31.966550][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.966820][  T506] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.967093][  T506] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.967648][  T506] RSP: 0018:ffa00000016d7038 EFLAGS: 00010286
[   31.967853][  T506] RAX: 00000000ffffffa6 RBX: ff11000010941540 RCX: 1ff40000002dadcd
[   31.968092][  T506] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109415fc
[   31.968343][  T506] RBP: ff1100000e77c000 R08: 1fe22000021282c1 R09: ff11000008e32e58
[   31.968679][  T506] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   31.968916][  T506] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   31.969168][  T506] FS:  00007ff93291b840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   31.969538][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.969751][  T506] CR2: 000000002a271988 CR3: 000000000f054001 CR4: 0000000000771ef0
[   31.970078][  T506] PKRU: 55555554
[   31.970233][  T506] Call Trace:
[   31.970377][  T506]  <TASK>
[   31.970499][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.970679][  T506]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   31.970943][  T506]  notifier_call_chain (kernel/notifier.c:85)
[   31.971134][  T506]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   31.971315][  T506]  ? default_device_exit_batch (net/core/dev.c:13091)
[   31.971530][  T506]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   31.971825][  T506]  ? 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))
[   31.972005][  T506]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.972198][  T506]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   31.972376][  T506]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.972651][  T506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.972860][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.973034][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.973312][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.973496][  T506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.973675][  T506]  ? __kernel_text_address (kernel/extable.c:79)
[   31.973850][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.974033][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.974304][  T506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.974486][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.974667][  T506]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.974842][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.975102][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.975292][  T506]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.975481][  T506]  ? __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)
[   31.975661][  T506]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.975923][  T506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.976105][  T506]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.976292][  T506]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.976479][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.976745][  T506]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.976929][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.977108][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.977301][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.977571][  T506]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.977747][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.977925][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.978098][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.978286][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.978470][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.978652][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.978831][  T506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.979093][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.979284][  T506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.979467][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.979647][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.979905][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.980084][  T506]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.980275][  T506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.980460][  T506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.980724][  T506]  ? 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))
[   31.980900][  T506]  ? 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))
[   31.981083][  T506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.981354][  T506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.981539][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.981721][  T506]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.981897][  T506]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.982074][  T506]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.982348][  T506]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.982535][  T506]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.982711][  T506]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.982999][  T506]  ? move_addr_to_kernel (net/socket.c:258)
[   31.983198][  T506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.983402][  T506]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.983656][  T506]  ___sys_sendmsg (net/socket.c:2752)
[   31.984035][  T506]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.984348][  T506]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.984619][  T506]  __sys_sendmsg (net/socket.c:2784)
[   31.984802][  T506]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.985062][  T506]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.985290][  T506]  ? 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)
[   31.985475][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.985709][  T506]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.986044][  T506]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.986231][  T506]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.986407][  T506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.986627][  T506] RIP: 0033:0x7ff932b5508e
[   31.986931][  T506] 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
[   31.987779][  T506] RSP: 002b:00007ffd40b46ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.988136][  T506] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff932b5508e
[   31.988388][  T506] RDX: 0000000000000000 RSI: 00007ffd40b46b90 RDI: 0000000000000005
[   31.988727][  T506] RBP: 00007ffd40b46af0 R08: 0000000000000000 R09: 0000000000000000
[   31.988965][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   31.989307][  T506] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd40b47250
| [   32.043738][  T507] ------------[ cut here ]------------
| [   32.043894][  T507] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/507
| [   32.044130][  T507] Modules linked in:
| [   32.044506][  T507] Tainted: [W]=WARN
[   32.044604][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.044773][  T507] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.044971][  T507] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.045761][  T507] RSP: 0018:ffa00000016e7020 EFLAGS: 00010286
[   32.045931][  T507] RAX: 00000000ffffffa6 RBX: ff1100000979cac0 RCX: 1ff40000002dcdca
[   32.046218][  T507] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979cb7c
[   32.046413][  T507] RBP: ff1100000e77c000 R08: 1fe22000012f3971 R09: ff110000103e2e58
[   32.046612][  T507] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   32.046805][  T507] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.047078][  T507] FS:  00007f7f03281840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   32.047391][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.047561][  T507] CR2: 00007f7f035511a0 CR3: 000000000f1e5002 CR4: 0000000000771ef0
[   32.047758][  T507] PKRU: 55555554
[   32.047855][  T507] Call Trace:
[   32.047952][  T507]  <TASK>
[   32.048021][  T507]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.048243][  T507]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.048343][  T507]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.048477][  T507]  __dev_notify_flags (net/core/dev.c:9787)
[   32.048608][  T507]  ? netif_change_name (net/core/dev.c:1495)
[   32.048737][  T507]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.048867][  T507]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.048998][  T507]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.049219][  T507]  ? 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))
[   32.049352][  T507]  netif_change_flags (net/core/dev.c:9820)
[   32.049486][  T507]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.049617][  T507]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.049748][  T507]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.049878][  T507]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.050039][  T507]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.050234][  T507]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.050364][  T507]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.050498][  T507]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.050629][  T507]  ? __kernel_text_address (kernel/extable.c:79)
[   32.050758][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.050888][  T507]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.051015][  T507]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.051176][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.051306][  T507]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.051440][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.051573][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.051702][  T507]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.051833][  T507]  ? __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)
[   32.051963][  T507]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.052092][  T507]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.052226][  T507]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.052358][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.052495][  T507]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.052628][  T507]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.052756][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.052884][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.053017][  T507]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.053151][  T507]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.053283][  T507]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.053411][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.053546][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.053677][  T507]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.053806][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.053936][  T507]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.054064][  T507]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.054196][  T507]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.054323][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.054460][  T507]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.054588][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.054717][  T507]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.054849][  T507]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.054980][  T507]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.055112][  T507]  ? 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))
[   32.055252][  T507]  ? 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))
[   32.055383][  T507]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.055517][  T507]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.055649][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.055779][  T507]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.055910][  T507]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.056041][  T507]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.056178][  T507]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.056307][  T507]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.056440][  T507]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.056602][  T507]  ? move_addr_to_kernel (net/socket.c:258)
[   32.056731][  T507]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.056859][  T507]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.056990][  T507]  ___sys_sendmsg (net/socket.c:2752)
[   32.057123][  T507]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.057283][  T507]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.057424][  T507]  __sys_sendmsg (net/socket.c:2784)
[   32.057559][  T507]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.057687][  T507]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.057850][  T507]  ? 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)
[   32.057981][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.058110][  T507]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.058244][  T507]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.058373][  T507]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.058508][  T507]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.058669][  T507] RIP: 0033:0x7f7f034bb08e
[   32.058806][  T507] 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
[   32.059271][  T507] RSP: 002b:00007fffe09e8f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.059471][  T507] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7f034bb08e
[   32.059664][  T507] RDX: 0000000000000000 RSI: 00007fffe09e8fc0 RDI: 0000000000000005
[   32.059857][  T507] RBP: 00007fffe09e8f20 R08: 0000000000000000 R09: 0000000000000000
[   32.060051][  T507] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   32.060248][  T507] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe09e9680
| [   32.062327][   T39] ------------[ cut here ]------------
| [   32.062502][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   32.062788][   T39] Modules linked in:
| [   32.063260][   T39] Tainted: [W]=WARN
[   32.063398][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.063602][   T39] Workqueue: events_unbound linkwatch_event
[   32.063808][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.064010][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.064520][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   32.064716][   T39] RAX: 00000000ffffffa6 RBX: ff1100000979d8c0 RCX: 1ff4000000057f02
[   32.064940][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d97c
[   32.065174][   T39] RBP: ff1100000e77c000 R08: 1fe22000012f3b31 R09: ff11000001da51a8
[   32.065398][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   32.065628][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.065855][   T39] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   32.066109][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.066316][   T39] CR2: 00007ff9329e8574 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   32.066547][   T39] PKRU: 55555554
[   32.066691][   T39] Call Trace:
[   32.066828][   T39]  <TASK>
[   32.066937][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.067101][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.067281][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.067419][   T39]  netif_state_change (net/core/dev.c:1605)
[   32.067595][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   32.067790][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   32.067953][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   32.068136][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.068305][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   32.068478][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   32.068645][   T39]  process_one_work (kernel/workqueue.c:3314)
[   32.068815][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.068981][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.069166][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.069338][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.069511][   T39]  kthread (kernel/kthread.c:436)
[   32.069647][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.069841][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.070006][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.070189][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.070382][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.070559][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.070724][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.073014][   T39] ------------[ cut here ]------------
| [   32.073194][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   32.073491][   T39] Modules linked in:
| [   32.074002][   T39] Tainted: [W]=WARN
[   32.074204][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.074498][   T39] Workqueue: events_unbound linkwatch_event
[   32.074778][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.075001][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.075585][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   32.075782][   T39] RAX: 00000000ffffffa6 RBX: ff1100000dd42740 RCX: 1ff4000000057f02
[   32.076006][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd427fc
[   32.076239][   T39] RBP: ff1100000ffd4000 R08: 1fe2200001ba8501 R09: ff11000001da51a8
[   32.076467][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   32.076703][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.076926][   T39] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   32.077204][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.077472][   T39] CR2: 00007ff9329e8574 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   32.077704][   T39] PKRU: 55555554
[   32.077837][   T39] Call Trace:
[   32.077970][   T39]  <TASK>
[   32.078078][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.078257][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.078421][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.078565][   T39]  netif_state_change (net/core/dev.c:1605)
[   32.078729][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   32.078924][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   32.079093][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   32.079273][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.079446][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   32.079611][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   32.079775][   T39]  process_one_work (kernel/workqueue.c:3314)
[   32.079980][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.080219][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.080465][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.080704][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.080922][   T39]  kthread (kernel/kthread.c:436)
[   32.081058][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.081266][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.081431][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.081605][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.081801][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.081968][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.082144][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.237907][  T510] ------------[ cut here ]------------
| [   32.238073][  T510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/510
| [   32.238319][  T510] Modules linked in:
| [   32.238711][  T510] Tainted: [W]=WARN
[   32.238812][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.238981][  T510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.239164][  T510] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.239652][  T510] RSP: 0018:ffa0000001706e30 EFLAGS: 00010286
[   32.239824][  T510] RAX: 00000000ffffffa6 RBX: ff11000005091380 RCX: 1ff40000002e0d8c
[   32.240031][  T510] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000509143c
[   32.240243][  T510] RBP: ff1100000f63c000 R08: 1fe2200000a12289 R09: ff11000004edd180
[   32.240450][  T510] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.240653][  T510] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d823880
[   32.240860][  T510] FS:  00007fec92f99840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   32.241100][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.241274][  T510] CR2: 00007fec93300f69 CR3: 0000000008fd2001 CR4: 0000000000771ef0
[   32.241486][  T510] PKRU: 55555554
[   32.241588][  T510] Call Trace:
[   32.241689][  T510]  <TASK>
[   32.241760][  T510]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.241900][  T510]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.242002][  T510]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   32.242176][  T510]  __dev_notify_flags (net/core/dev.c:9787)
[   32.242313][  T510]  ? netif_change_name (net/core/dev.c:1495)
[   32.242458][  T510]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.242597][  T510]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.242730][  T510]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.242864][  T510]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   32.243002][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.243145][  T510]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.243281][  T510]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.243417][  T510]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   32.243559][  T510]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   32.243696][  T510]  veth_newlink (drivers/net/veth.c:1871)
[   32.243835][  T510]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   32.243971][  T510]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.244107][  T510]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.244455][  T510]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.244608][  T510]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   32.244742][  T510]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   32.244878][  T510]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   32.245013][  T510]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   32.245156][  T510]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   32.245293][  T510]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   32.245430][  T510]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.245572][  T510]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.245706][  T510]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.245844][  T510]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.245984][  T510]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.246126][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.246260][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.246395][  T510]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.246535][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.246669][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.246809][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.246944][  T510]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.247080][  T510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.247222][  T510]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.247359][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.247499][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.247636][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.247770][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.247906][  T510]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.248041][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.248183][  T510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.248323][  T510]  ? 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))
[   32.248465][  T510]  ? 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))
[   32.248603][  T510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.248740][  T510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.248877][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.249013][  T510]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.249158][  T510]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.249295][  T510]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.249433][  T510]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.249578][  T510]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.249713][  T510]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.249878][  T510]  ? move_addr_to_kernel (net/socket.c:258)
[   32.250017][  T510]  ___sys_sendmsg (net/socket.c:2752)
[   32.250156][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.250294][  T510]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.250443][  T510]  ? 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))
[   32.250581][  T510]  __sys_sendmsg (net/socket.c:2784)
[   32.250716][  T510]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.250856][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.250993][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.251133][  T510]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.251268][  T510]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.251406][  T510]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.251547][  T510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.251716][  T510] RIP: 0033:0x7fec931d308e
[   32.251860][  T510] 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
[   32.252343][  T510] RSP: 002b:00007ffcea1c66a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.252553][  T510] RAX: ffffffffffffffda RBX: 00007ffcea1c6e38 RCX: 00007fec931d308e
[   32.252758][  T510] RDX: 0000000000000000 RSI: 00007ffcea1c6750 RDI: 0000000000000005
[   32.252961][  T510] RBP: 00007ffcea1c66b0 R08: 0000000000000000 R09: 0000000000000000
[   32.253166][  T510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   32.253368][  T510] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcea1c6e10
| [   32.261015][  T510] ------------[ cut here ]------------
| [   32.261167][  T510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/510
| [   32.261399][  T510] Modules linked in:
| [   32.261779][  T510] Tainted: [W]=WARN
[   32.261879][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.262046][  T510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.262224][  T510] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.262703][  T510] RSP: 0018:ffa00000017071b0 EFLAGS: 00010286
[   32.262872][  T510] RAX: 00000000ffffffa6 RBX: ff1100000dd2f700 RCX: 1ff40000002e0dfc
[   32.263071][  T510] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2f7bc
[   32.263281][  T510] RBP: ff11000006299000 R08: 1fe2200001ba5ef9 R09: ff11000004edd180
[   32.263486][  T510] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.263683][  T510] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   32.263889][  T510] FS:  00007fec92f99840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   32.264129][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.264297][  T510] CR2: 00007fec93300f69 CR3: 0000000008fd2001 CR4: 0000000000771ef0
[   32.264505][  T510] PKRU: 55555554
[   32.264604][  T510] Call Trace:
[   32.264703][  T510]  <TASK>
[   32.264773][  T510]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.264908][  T510]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.265010][  T510]  __dev_notify_flags (net/core/dev.c:9787)
[   32.265150][  T510]  ? netif_change_name (net/core/dev.c:1495)
[   32.265284][  T510]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   32.265417][  T510]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   32.265558][  T510]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.265695][  T510]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   32.265831][  T510]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.265964][  T510]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.266095][  T510]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.266239][  T510]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.266381][  T510]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.266521][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.266655][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.266786][  T510]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.266921][  T510]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.267054][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.267198][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.267333][  T510]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.267471][  T510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.267602][  T510]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.267734][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.267865][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.268001][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.268662][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.268799][  T510]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.268932][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.269063][  T510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.269257][  T510]  ? 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))
[   32.269390][  T510]  ? 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))
[   32.269531][  T510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.269665][  T510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.269797][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.269932][  T510]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.270064][  T510]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.270257][  T510]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.270393][  T510]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.270533][  T510]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.270666][  T510]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.270887][  T510]  ? move_addr_to_kernel (net/socket.c:258)
[   32.271024][  T510]  ___sys_sendmsg (net/socket.c:2752)
[   32.271213][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.271346][  T510]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.271491][  T510]  ? 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))
[   32.271625][  T510]  __sys_sendmsg (net/socket.c:2784)
[   32.271760][  T510]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.271897][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.272028][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.272216][  T510]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.272348][  T510]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.272484][  T510]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.272615][  T510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.272779][  T510] RIP: 0033:0x7fec931d308e
[   32.272920][  T510] 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
[   32.273450][  T510] RSP: 002b:00007ffcea1c66a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.273650][  T510] RAX: ffffffffffffffda RBX: 00007ffcea1c6e38 RCX: 00007fec931d308e
[   32.273848][  T510] RDX: 0000000000000000 RSI: 00007ffcea1c6750 RDI: 0000000000000005
[   32.274044][  T510] RBP: 00007ffcea1c66b0 R08: 0000000000000000 R09: 0000000000000000
[   32.274296][  T510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   32.274498][  T510] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcea1c6e10
| [   32.324048][  T511] ------------[ cut here ]------------
| [   32.324256][  T511] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/511
| [   32.324538][  T511] Modules linked in:
| [   32.325010][  T511] Tainted: [W]=WARN
[   32.325168][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.325380][  T511] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.325605][  T511] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.326111][  T511] RSP: 0018:ffa0000001717020 EFLAGS: 00010286
[   32.326335][  T511] RAX: 00000000ffffffa6 RBX: ff1100000b89e040 RCX: 1ff40000002e2dca
[   32.326580][  T511] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89e0fc
[   32.326822][  T511] RBP: ff11000006299000 R08: 1fe2200001713c21 R09: ff11000004edae58
[   32.327058][  T511] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   32.327309][  T511] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.327560][  T511] FS:  00007fa1afbe8840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   32.327836][  T511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.328044][  T511] CR2: 0000000017cfd988 CR3: 00000000100f1004 CR4: 0000000000771ef0
[   32.328296][  T511] PKRU: 55555554
[   32.328446][  T511] Call Trace:
[   32.328590][  T511]  <TASK>
[   32.328704][  T511]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.328883][  T511]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.329030][  T511]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.329220][  T511]  __dev_notify_flags (net/core/dev.c:9787)
[   32.329402][  T511]  ? netif_change_name (net/core/dev.c:1495)
[   32.329583][  T511]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.329763][  T511]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.329939][  T511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.330129][  T511]  ? 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))
[   32.330309][  T511]  netif_change_flags (net/core/dev.c:9820)
[   32.330496][  T511]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.330674][  T511]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.330857][  T511]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.331036][  T511]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.331258][  T511]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.331445][  T511]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.331622][  T511]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.331798][  T511]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.331980][  T511]  ? __kernel_text_address (kernel/extable.c:79)
[   32.332169][  T511]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.332349][  T511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.332533][  T511]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.332710][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.332887][  T511]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.333062][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.333251][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.333430][  T511]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.333615][  T511]  ? __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)
[   32.333792][  T511]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.333969][  T511]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.334189][  T511]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.334376][  T511]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.334565][  T511]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.334750][  T511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.334926][  T511]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.335104][  T511]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.335294][  T511]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.335481][  T511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.335661][  T511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.335839][  T511]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.336018][  T511]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.336209][  T511]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.336389][  T511]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.336578][  T511]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.336758][  T511]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.336936][  T511]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.337113][  T511]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.337308][  T511]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.337495][  T511]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.337675][  T511]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.337855][  T511]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.338035][  T511]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.338231][  T511]  ? 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))
[   32.338407][  T511]  ? 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))
[   32.338598][  T511]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.338778][  T511]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.338956][  T511]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.339151][  T511]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.339331][  T511]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.339517][  T511]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.339696][  T511]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.339875][  T511]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.340051][  T511]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.340273][  T511]  ? move_addr_to_kernel (net/socket.c:258)
[   32.340463][  T511]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.340641][  T511]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.340818][  T511]  ___sys_sendmsg (net/socket.c:2752)
[   32.340996][  T511]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.341220][  T511]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.341409][  T511]  __sys_sendmsg (net/socket.c:2784)
[   32.341595][  T511]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.341771][  T511]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.341985][  T511]  ? 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)
[   32.342177][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.342355][  T511]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.342542][  T511]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.342719][  T511]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.342895][  T511]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.343101][  T511] RIP: 0033:0x7fa1afe2208e
[   32.343299][  T511] 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
[   32.343808][  T511] RSP: 002b:00007ffd6af03440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.344051][  T511] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa1afe2208e
[   32.344308][  T511] RDX: 0000000000000000 RSI: 00007ffd6af034f0 RDI: 0000000000000005
[   32.344556][  T511] RBP: 00007ffd6af03450 R08: 0000000000000000 R09: 0000000000000000
[   32.344797][  T511] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   32.345038][  T511] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6af03bb0
| [   32.404389][  T512] ------------[ cut here ]------------
| [   32.404556][  T512] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/512
| [   32.404787][  T512] Modules linked in:
| [   32.405167][  T512] Tainted: [W]=WARN
[   32.405267][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.405431][  T512] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.405606][  T512] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.406074][  T512] RSP: 0018:ffa0000001726ff8 EFLAGS: 00010286
[   32.406247][  T512] RAX: 00000000ffffffa6 RBX: ff110000029bbc40 RCX: 1ff40000002e4dc5
[   32.406443][  T512] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bbcfc
[   32.406638][  T512] RBP: ff1100000f63c000 R08: 1fe22000005377a1 R09: ff11000004ed8b58
[   32.406835][  T512] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.407030][  T512] R13: 0000000000000000 R14: ffa0000001727140 R15: ff1100000d81f850
[   32.407233][  T512] FS:  00007f83a40d2840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   32.407483][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.407654][  T512] CR2: 00007f83a43a21a0 CR3: 000000000a0ec003 CR4: 0000000000771ef0
[   32.407845][  T512] PKRU: 55555554
[   32.407941][  T512] Call Trace:
[   32.408037][  T512]  <TASK>
[   32.408102][  T512]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   32.408236][  T512]  __dev_change_net_namespace (net/core/dev.c:12635)
[   32.408394][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.408527][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.408656][  T512]  ? default_device_exit_batch (net/core/dev.c:13091)
[   32.408812][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.408937][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.409063][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.409195][  T512]  ? 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))
[   32.409323][  T512]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.409460][  T512]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   32.409591][  T512]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.409717][  T512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.409875][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.410001][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.410131][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.410255][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.410381][  T512]  ? __kernel_text_address (kernel/extable.c:79)
[   32.410515][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.410644][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.410769][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.410895][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.411020][  T512]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.411227][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.411355][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.411485][  T512]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.411611][  T512]  ? __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)
[   32.411736][  T512]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.411861][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.411990][  T512]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.412122][  T512]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.412253][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.412382][  T512]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.412516][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.412642][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.412768][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.412894][  T512]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.413020][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.413154][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.413280][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.413406][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.413537][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.413665][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.413791][  T512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.413918][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.414043][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.414175][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.414305][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.414432][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.414567][  T512]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.414693][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.414820][  T512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.414951][  T512]  ? 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))
[   32.415076][  T512]  ? 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))
[   32.415209][  T512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.415336][  T512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.415469][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.415597][  T512]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.415724][  T512]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.415852][  T512]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.415982][  T512]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.416109][  T512]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.416240][  T512]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.416396][  T512]  ? move_addr_to_kernel (net/socket.c:258)
[   32.416529][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.416655][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.416782][  T512]  ___sys_sendmsg (net/socket.c:2752)
[   32.416909][  T512]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.417063][  T512]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.417204][  T512]  __sys_sendmsg (net/socket.c:2784)
[   32.417333][  T512]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.417469][  T512]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.417629][  T512]  ? 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)
[   32.417756][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.417882][  T512]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.418009][  T512]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.418142][  T512]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.418268][  T512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.418427][  T512] RIP: 0033:0x7f83a430c08e
[   32.418566][  T512] 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
[   32.419019][  T512] RSP: 002b:00007fff97ed1640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.419227][  T512] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f83a430c08e
[   32.419417][  T512] RDX: 0000000000000000 RSI: 00007fff97ed16f0 RDI: 0000000000000005
[   32.419612][  T512] RBP: 00007fff97ed1650 R08: 0000000000000000 R09: 0000000000000000
[   32.419803][  T512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   32.419996][  T512] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff97ed1db0
| [   32.422601][  T512] ------------[ cut here ]------------
| [   32.422742][  T512] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/512
| [   32.422969][  T512] Modules linked in:
| [   32.423336][  T512] Tainted: [W]=WARN
[   32.423441][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.423605][  T512] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.423775][  T512] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.424235][  T512] RSP: 0018:ffa0000001726fc0 EFLAGS: 00010286
[   32.424397][  T512] RAX: 00000000ffffffa6 RBX: ff11000009aec3c0 RCX: 1ff40000002e4dbe
[   32.424595][  T512] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aec47c
[   32.424787][  T512] RBP: ff1100000f63c000 R08: 1fe220000135d891 R09: ff11000004ed8b58
[   32.424978][  T512] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.425173][  T512] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d81f850
[   32.425369][  T512] FS:  00007f83a40d2840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   32.425598][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.425759][  T512] CR2: 00007f83a43a21a0 CR3: 000000000a0ec003 CR4: 0000000000771ef0
[   32.425953][  T512] PKRU: 55555554
[   32.426048][  T512] Call Trace:
[   32.426150][  T512]  <TASK>
[   32.426218][  T512]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.426348][  T512]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.426482][  T512]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.426580][  T512]  __dev_change_net_namespace (net/core/dev.c:12695)
[   32.426741][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.426871][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.427001][  T512]  ? default_device_exit_batch (net/core/dev.c:13091)
[   32.427166][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.427297][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.427426][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.427561][  T512]  ? 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))
[   32.427691][  T512]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.427824][  T512]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   32.427958][  T512]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.428088][  T512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.428257][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.428384][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.428516][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.428643][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.428772][  T512]  ? __kernel_text_address (kernel/extable.c:79)
[   32.428899][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.429032][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.429164][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.429295][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.429424][  T512]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.429565][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.429695][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.429826][  T512]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.429957][  T512]  ? __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)
[   32.430087][  T512]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.430221][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.430352][  T512]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.430486][  T512]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.430618][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.430752][  T512]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.430881][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.431011][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.431148][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.431276][  T512]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.431403][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.431538][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.431667][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.431796][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.431925][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.432057][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.432192][  T512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.432324][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.432456][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.432588][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.432719][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.432848][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.432979][  T512]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.433110][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.433247][  T512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.433381][  T512]  ? 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))
[   32.433513][  T512]  ? 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))
[   32.433647][  T512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.433779][  T512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.433909][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.434042][  T512]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.434184][  T512]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.434318][  T512]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.434454][  T512]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.434588][  T512]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.434719][  T512]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.434881][  T512]  ? move_addr_to_kernel (net/socket.c:258)
[   32.435012][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.435147][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.435280][  T512]  ___sys_sendmsg (net/socket.c:2752)
[   32.435409][  T512]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.435577][  T512]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.435718][  T512]  __sys_sendmsg (net/socket.c:2784)
[   32.435851][  T512]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.435983][  T512]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.436154][  T512]  ? 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)
[   32.436285][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.436417][  T512]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.436557][  T512]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.436687][  T512]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.436819][  T512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.436983][  T512] RIP: 0033:0x7f83a430c08e
[   32.437128][  T512] 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
[   32.437599][  T512] RSP: 002b:00007fff97ed1640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.437796][  T512] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f83a430c08e
[   32.437997][  T512] RDX: 0000000000000000 RSI: 00007fff97ed16f0 RDI: 0000000000000005
[   32.438197][  T512] RBP: 00007fff97ed1650 R08: 0000000000000000 R09: 0000000000000000
[   32.438392][  T512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   32.438592][  T512] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff97ed1db0
| [   32.440572][  T512] ------------[ cut here ]------------
| [   32.440706][  T512] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/512
| [   32.440929][  T512] Modules linked in:
| [   32.441568][  T512] Tainted: [W]=WARN
[   32.441667][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.441829][  T512] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.441997][  T512] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.442475][  T512] RSP: 0018:ffa0000001727038 EFLAGS: 00010286
[   32.442638][  T512] RAX: 00000000ffffffa6 RBX: ff11000009aec900 RCX: 1ff40000002e4dcd
[   32.442833][  T512] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aec9bc
[   32.443029][  T512] RBP: ff1100000f63c000 R08: 1fe220000135d939 R09: ff11000004ed8b58
[   32.443229][  T512] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   32.443422][  T512] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   32.443622][  T512] FS:  00007f83a40d2840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   32.443854][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.444018][  T512] CR2: 00007f83a43a21a0 CR3: 000000000a0ec003 CR4: 0000000000771ef0
[   32.444218][  T512] PKRU: 55555554
[   32.444315][  T512] Call Trace:
[   32.444411][  T512]  <TASK>
[   32.444483][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.444612][  T512]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   32.444743][  T512]  notifier_call_chain (kernel/notifier.c:85)
[   32.444879][  T512]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   32.445010][  T512]  ? default_device_exit_batch (net/core/dev.c:13091)
[   32.445179][  T512]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   32.445341][  T512]  ? 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))
[   32.445477][  T512]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.445611][  T512]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   32.445746][  T512]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.445880][  T512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.446043][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.446179][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.446310][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.446444][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.446573][  T512]  ? __kernel_text_address (kernel/extable.c:79)
[   32.446717][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.446848][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.446978][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.447108][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.447245][  T512]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.447375][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.447509][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.447638][  T512]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.447771][  T512]  ? __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)
[   32.447902][  T512]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.448034][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.448173][  T512]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.448304][  T512]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.448439][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.448574][  T512]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.448709][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.448852][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.448984][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.449113][  T512]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.449249][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.449380][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.449513][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.449642][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.449774][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.449906][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.450035][  T512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.450178][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.450308][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.450444][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.450575][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.450708][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.450841][  T512]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.450970][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.451103][  T512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.451243][  T512]  ? 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))
[   32.451373][  T512]  ? 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))
[   32.451510][  T512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.451641][  T512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.451775][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.451908][  T512]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.452040][  T512]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.452176][  T512]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.452309][  T512]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.452441][  T512]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.452572][  T512]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.452732][  T512]  ? move_addr_to_kernel (net/socket.c:258)
[   32.452956][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.453087][  T512]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.453229][  T512]  ___sys_sendmsg (net/socket.c:2752)
[   32.453358][  T512]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.453636][  T512]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.453777][  T512]  __sys_sendmsg (net/socket.c:2784)
[   32.453911][  T512]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.454045][  T512]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.454300][  T512]  ? 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)
[   32.454429][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.454565][  T512]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.454779][  T512]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.454908][  T512]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.455036][  T512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.455205][  T512] RIP: 0033:0x7f83a430c08e
[   32.455434][  T512] 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
[   32.455903][  T512] RSP: 002b:00007fff97ed1640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.456191][  T512] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f83a430c08e
[   32.456391][  T512] RDX: 0000000000000000 RSI: 00007fff97ed16f0 RDI: 0000000000000005
[   32.456680][  T512] RBP: 00007fff97ed1650 R08: 0000000000000000 R09: 0000000000000000
[   32.456873][  T512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   32.457074][  T512] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff97ed1db0
| [   32.515055][  T513] ------------[ cut here ]------------
| [   32.515215][  T513] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/513
| [   32.515446][  T513] Modules linked in:
| [   32.515830][  T513] Tainted: [W]=WARN
[   32.515931][  T513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.516094][  T513] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.516269][  T513] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.516736][  T513] RSP: 0018:ffa0000001727020 EFLAGS: 00010286
[   32.516901][  T513] RAX: 00000000ffffffa6 RBX: ff1100000b6ff1c0 RCX: 1ff40000002e4dca
[   32.517094][  T513] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6ff27c
[   32.517293][  T513] RBP: ff1100000f63c000 R08: 1fe22000016dfe51 R09: ff1100000f375158
[   32.517493][  T513] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   32.517687][  T513] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.517881][  T513] FS:  00007fcc380cc840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   32.518108][  T513] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.518279][  T513] CR2: 0000000004252988 CR3: 000000000f3c5006 CR4: 0000000000771ef0
[   32.518481][  T513] PKRU: 55555554
[   32.518579][  T513] Call Trace:
[   32.518676][  T513]  <TASK>
[   32.518745][  T513]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.518877][  T513]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.518976][  T513]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.519105][  T513]  __dev_notify_flags (net/core/dev.c:9787)
[   32.519254][  T513]  ? netif_change_name (net/core/dev.c:1495)
[   32.519389][  T513]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.519524][  T513]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.519653][  T513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.519782][  T513]  ? 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))
[   32.519914][  T513]  netif_change_flags (net/core/dev.c:9820)
[   32.520045][  T513]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.520183][  T513]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.520315][  T513]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.520456][  T513]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.520617][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.520747][  T513]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.520877][  T513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.521005][  T513]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.521143][  T513]  ? __kernel_text_address (kernel/extable.c:79)
[   32.521274][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.521406][  T513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.521541][  T513]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.521671][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.521802][  T513]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.521932][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.522064][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.522197][  T513]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.522328][  T513]  ? __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)
[   32.522463][  T513]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.522594][  T513]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.522727][  T513]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.522862][  T513]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.522995][  T513]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.523134][  T513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.523265][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.523394][  T513]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.523528][  T513]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.523660][  T513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.523793][  T513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.523922][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.524054][  T513]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.524189][  T513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.524321][  T513]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.524455][  T513]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.524586][  T513]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.524715][  T513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.524843][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.524974][  T513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.525104][  T513]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.525241][  T513]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.525372][  T513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.525509][  T513]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.525645][  T513]  ? 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))
[   32.525775][  T513]  ? 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))
[   32.525906][  T513]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.526040][  T513]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.526177][  T513]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.526309][  T513]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.526444][  T513]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.526576][  T513]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.526709][  T513]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.526840][  T513]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.526969][  T513]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.527137][  T513]  ? move_addr_to_kernel (net/socket.c:258)
[   32.527268][  T513]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.527400][  T513]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.527538][  T513]  ___sys_sendmsg (net/socket.c:2752)
[   32.527668][  T513]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.527831][  T513]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.527974][  T513]  __sys_sendmsg (net/socket.c:2784)
[   32.528107][  T513]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.528242][  T513]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.528407][  T513]  ? 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)
[   32.528542][  T513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.528672][  T513]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.528802][  T513]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.528933][  T513]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.529076][  T513]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.529249][  T513] RIP: 0033:0x7fcc3830608e
[   32.529385][  T513] 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
[   32.529855][  T513] RSP: 002b:00007ffd6d993be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.530054][  T513] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcc3830608e
[   32.530257][  T513] RDX: 0000000000000000 RSI: 00007ffd6d993c90 RDI: 0000000000000005
[   32.530459][  T513] RBP: 00007ffd6d993bf0 R08: 0000000000000000 R09: 0000000000000000
[   32.530653][  T513] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e318
[   32.530850][  T513] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6d994350
| [   32.542614][   T39] ------------[ cut here ]------------
| [   32.542754][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   32.542994][   T39] Modules linked in:
| [   32.543373][   T39] Tainted: [W]=WARN
[   32.543469][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.543622][   T39] Workqueue: events_unbound linkwatch_event
[   32.543777][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.543931][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.544372][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   32.544528][   T39] RAX: 00000000ffffffa6 RBX: ff1100000b6ffc40 RCX: 1ff4000000057f02
[   32.544704][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6ffcfc
[   32.544878][   T39] RBP: ff1100000f63c000 R08: 1fe22000016dffa1 R09: ff11000001da51a8
[   32.545058][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   32.545256][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.545441][   T39] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   32.545653][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.545805][   T39] CR2: 00007fcc38199574 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   32.545984][   T39] PKRU: 55555554
[   32.546073][   T39] Call Trace:
[   32.546169][   T39]  <TASK>
[   32.546232][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.546355][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.546491][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.546584][   T39]  netif_state_change (net/core/dev.c:1605)
[   32.546710][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   32.546867][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   32.546984][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   32.547103][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.547233][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   32.547351][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   32.547478][   T39]  process_one_work (kernel/workqueue.c:3314)
[   32.547601][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.547718][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.547841][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.547968][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.548084][   T39]  kthread (kernel/kthread.c:436)
[   32.548179][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.548329][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.548449][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.548574][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.548726][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.548844][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.548967][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.551462][   T39] ------------[ cut here ]------------
| [   32.551594][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   32.551835][   T39] Modules linked in:
| [   32.552848][   T39] Tainted: [W]=WARN
[   32.552940][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.553088][   T39] Workqueue: events_unbound linkwatch_event
[   32.553280][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.553441][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.553869][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   32.554020][   T39] RAX: 00000000ffffffa6 RBX: ff110000053f1a80 RCX: 1ff4000000057f02
[   32.554202][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f1b3c
[   32.554378][   T39] RBP: ff11000006299000 R08: 1fe2200000a7e369 R09: ff11000001da51a8
[   32.554560][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   32.554735][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.554912][   T39] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   32.555127][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.555278][   T39] CR2: 00007fcc38199574 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   32.555461][   T39] PKRU: 55555554
[   32.555553][   T39] Call Trace:
[   32.555642][   T39]  <TASK>
[   32.555704][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.555823][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.555943][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.556037][   T39]  netif_state_change (net/core/dev.c:1605)
[   32.556161][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   32.556309][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   32.556429][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   32.556554][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.556675][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   32.556797][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   32.556917][   T39]  process_one_work (kernel/workqueue.c:3314)
[   32.557043][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.557167][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.557289][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.557410][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.557532][   T39]  kthread (kernel/kthread.c:436)
[   32.557622][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.557768][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.557890][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.558010][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.558162][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.558284][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.558402][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.855976][  T569] ------------[ cut here ]------------
| [   37.856246][  T569] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/569
| [   37.856619][  T569] Modules linked in:
| [   37.857223][  T569] Tainted: [W]=WARN
[   37.857387][  T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.857658][  T569] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.857933][  T569] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.858694][  T569] RSP: 0018:ffa0000001847060 EFLAGS: 00010286
[   37.858961][  T569] RAX: 00000000ffffffa6 RBX: ff11000005091c40 RCX: 1ff4000000308dd2
[   37.859285][  T569] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005091cfc
[   37.859605][  T569] RBP: ff1100000e77c000 R08: 1fe2200000a123a1 R09: ff110000021fae58
[   37.859921][  T569] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   37.860247][  T569] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   37.860579][  T569] FS:  00007ff324c55840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   37.860947][  T569] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.861132][  T569] CR2: 000000001f017988 CR3: 000000001006b004 CR4: 0000000000771ef0
[   37.861354][  T569] PKRU: 55555554
[   37.861458][  T569] Call Trace:
[   37.861557][  T569]  <TASK>
[   37.861627][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.861763][  T569]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   37.861897][  T569]  notifier_call_chain (kernel/notifier.c:85)
[   37.862032][  T569]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   37.862168][  T569]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   37.862309][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.862444][  T569]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.862583][  T569]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   37.862713][  T569]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.862844][  T569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.863006][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.863189][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.863380][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.863515][  T569]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.863647][  T569]  ? __kernel_text_address (kernel/extable.c:79)
[   37.863778][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.863910][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.864040][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.864180][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.864313][  T569]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.864444][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.864577][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.864708][  T569]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.864840][  T569]  ? __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)
[   37.864972][  T569]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.865103][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.865239][  T569]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.865369][  T569]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.865506][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.865638][  T569]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.865772][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.865900][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.866027][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.866162][  T569]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.866291][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.866422][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.866555][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.866686][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.866815][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.866946][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.867075][  T569]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.867222][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.867351][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.867488][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.867622][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.867753][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.867886][  T569]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.868019][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.868154][  T569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.868290][  T569]  ? 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))
[   37.868422][  T569]  ? 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))
[   37.868562][  T569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.868693][  T569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.868822][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.868955][  T569]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.869087][  T569]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.869228][  T569]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.869360][  T569]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.869496][  T569]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.869626][  T569]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.869786][  T569]  ? move_addr_to_kernel (net/socket.c:258)
[   37.869920][  T569]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.870052][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.870188][  T569]  ___sys_sendmsg (net/socket.c:2752)
[   37.870317][  T569]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.870486][  T569]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.870631][  T569]  __sys_sendmsg (net/socket.c:2784)
[   37.870761][  T569]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.870890][  T569]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.871054][  T569]  ? 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)
[   37.871191][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.871324][  T569]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.871465][  T569]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.871598][  T569]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.871728][  T569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.871891][  T569] RIP: 0033:0x7ff324e8f08e
[   37.872030][  T569] 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
[   37.872506][  T569] RSP: 002b:00007ffcbee1e860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.872703][  T569] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff324e8f08e
[   37.872899][  T569] RDX: 0000000000000000 RSI: 00007ffcbee1e910 RDI: 0000000000000005
[   37.873095][  T569] RBP: 00007ffcbee1e870 R08: 0000000000000000 R09: 0000000000000000
[   37.873295][  T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e31e
[   37.873498][  T569] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbee1efd0
| [   37.875742][  T569] ------------[ cut here ]------------
| [   37.875879][  T569] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/569
| [   37.876105][  T569] Modules linked in:
| [   37.876493][  T569] Tainted: [W]=WARN
[   37.876590][  T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.876754][  T569] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.876925][  T569] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.877487][  T569] RSP: 0018:ffa0000001847038 EFLAGS: 00010286
[   37.877654][  T569] RAX: 00000000ffffffa6 RBX: ff11000005091000 RCX: 1ff4000000308dcd
[   37.877849][  T569] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050910bc
[   37.878043][  T569] RBP: ff1100000e77c000 R08: 1fe2200000a12219 R09: ff110000021fae58
[   37.878287][  T569] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   37.878486][  T569] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   37.878758][  T569] FS:  00007ff324c55840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   37.879079][  T569] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.879339][  T569] CR2: 000000001f017988 CR3: 000000001006b004 CR4: 0000000000771ef0
[   37.879654][  T569] PKRU: 55555554
[   37.879755][  T569] Call Trace:
[   37.879855][  T569]  <TASK>
[   37.879922][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.880052][  T569]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   37.880192][  T569]  notifier_call_chain (kernel/notifier.c:85)
[   37.880328][  T569]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   37.880472][  T569]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   37.880643][  T569]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.880776][  T569]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   37.880908][  T569]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.881038][  T569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.881212][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.881401][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.881611][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.881819][  T569]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.882027][  T569]  ? __kernel_text_address (kernel/extable.c:79)
[   37.882239][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.882411][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.882548][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.882682][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.882812][  T569]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.882940][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.883072][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.883209][  T569]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.883346][  T569]  ? __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)
[   37.883483][  T569]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.883614][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.883746][  T569]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.883878][  T569]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.884017][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.884156][  T569]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.884294][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.884425][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.884561][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.884693][  T569]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.884826][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.884963][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.885095][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.885244][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.885380][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.885517][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.885651][  T569]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.885781][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.885909][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.886041][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.886181][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.886312][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.886443][  T569]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.886583][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.886716][  T569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.886850][  T569]  ? 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))
[   37.886984][  T569]  ? 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))
[   37.887125][  T569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.887266][  T569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.887401][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.887545][  T569]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.887681][  T569]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.887817][  T569]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.887949][  T569]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.888079][  T569]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.888217][  T569]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.888378][  T569]  ? move_addr_to_kernel (net/socket.c:258)
[   37.888516][  T569]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.888645][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.888778][  T569]  ___sys_sendmsg (net/socket.c:2752)
[   37.888907][  T569]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.889068][  T569]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.889216][  T569]  __sys_sendmsg (net/socket.c:2784)
[   37.889347][  T569]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.889484][  T569]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.889650][  T569]  ? 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)
[   37.889781][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.889912][  T569]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.890042][  T569]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.890181][  T569]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.890312][  T569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.890480][  T569] RIP: 0033:0x7ff324e8f08e
[   37.890618][  T569] 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
[   37.891082][  T569] RSP: 002b:00007ffcbee1e860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.891287][  T569] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff324e8f08e
[   37.891491][  T569] RDX: 0000000000000000 RSI: 00007ffcbee1e910 RDI: 0000000000000005
[   37.891688][  T569] RBP: 00007ffcbee1e870 R08: 0000000000000000 R09: 0000000000000000
[   37.891883][  T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e31e
[   37.892078][  T569] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbee1efd0
| [   38.027249][  T575] ------------[ cut here ]------------
| [   38.027419][  T575] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/575
| [   38.027655][  T575] Modules linked in:
| [   38.028021][  T575] Tainted: [W]=WARN
[   38.028127][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.028288][  T575] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.028463][  T575] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.028924][  T575] RSP: 0018:ffa0000001867060 EFLAGS: 00010286
[   38.029089][  T575] RAX: 00000000ffffffa6 RBX: ff1100000cda4900 RCX: 1ff400000030cdd2
[   38.029290][  T575] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cda49bc
[   38.029493][  T575] RBP: ff1100000e77c000 R08: 1fe22000019b4939 R09: ff1100001084ae58
[   38.029688][  T575] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   38.029878][  T575] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   38.030071][  T575] FS:  00007f2636f87840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   38.030310][  T575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.030482][  T575] CR2: 0000000027ef6988 CR3: 000000000f009002 CR4: 0000000000771ef0
[   38.030682][  T575] PKRU: 55555554
[   38.030779][  T575] Call Trace:
[   38.030876][  T575]  <TASK>
[   38.030943][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.031076][  T575]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   38.031213][  T575]  notifier_call_chain (kernel/notifier.c:85)
[   38.031348][  T575]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   38.031485][  T575]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   38.031619][  T575]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.031752][  T575]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.031884][  T575]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   38.032015][  T575]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.032150][  T575]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.032310][  T575]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.032438][  T575]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.032574][  T575]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.032701][  T575]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.032832][  T575]  ? __kernel_text_address (kernel/extable.c:79)
[   38.032960][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.033091][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.033847][  T575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.033979][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.034109][  T575]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.034299][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.034427][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.034559][  T575]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.034689][  T575]  ? __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)
[   38.034818][  T575]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.034947][  T575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.035077][  T575]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.035263][  T575]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.035395][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.035530][  T575]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.035661][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.035788][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.035918][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.036047][  T575]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.036231][  T575]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.036365][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.036496][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.036622][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.036751][  T575]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.036881][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.037010][  T575]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.037197][  T575]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.037330][  T575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.037463][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.037593][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.037720][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.037849][  T575]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.037978][  T575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.038105][  T575]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.038296][  T575]  ? 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))
[   38.038427][  T575]  ? 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))
[   38.038561][  T575]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.038692][  T575]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.038820][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.038949][  T575]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.039079][  T575]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.039271][  T575]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.039407][  T575]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.039544][  T575]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.039673][  T575]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.039836][  T575]  ? move_addr_to_kernel (net/socket.c:258)
[   38.039967][  T575]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.040096][  T575]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.040247][  T575]  ___sys_sendmsg (net/socket.c:2752)
[   38.040378][  T575]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.040542][  T575]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.040683][  T575]  __sys_sendmsg (net/socket.c:2784)
[   38.040815][  T575]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.040943][  T575]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.041104][  T575]  ? 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)
[   38.041239][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.041373][  T575]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.041506][  T575]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.041637][  T575]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.041767][  T575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.041929][  T575] RIP: 0033:0x7f26371c108e
[   38.042068][  T575] 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
[   38.042543][  T575] RSP: 002b:00007fff333df4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.042741][  T575] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f26371c108e
[   38.042936][  T575] RDX: 0000000000000000 RSI: 00007fff333df5a0 RDI: 0000000000000005
[   38.043133][  T575] RBP: 00007fff333df500 R08: 0000000000000000 R09: 0000000000000000
[   38.043327][  T575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e31e
[   38.043525][  T575] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff333dfc60
| [   38.045550][  T575] ------------[ cut here ]------------
| [   38.045683][  T575] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/575
| [   38.045906][  T575] Modules linked in:
| [   38.046509][  T575] Tainted: [W]=WARN
[   38.046609][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.046771][  T575] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.046935][  T575] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.047395][  T575] RSP: 0018:ffa0000001867038 EFLAGS: 00010286
[   38.047562][  T575] RAX: 00000000ffffffa6 RBX: ff1100000cda4c80 RCX: 1ff400000030cdcd
[   38.047756][  T575] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cda4d3c
[   38.047944][  T575] RBP: ff1100000e77c000 R08: 1fe22000019b49a9 R09: ff1100001084ae58
[   38.048145][  T575] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   38.048336][  T575] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   38.048534][  T575] FS:  00007f2636f87840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   38.048762][  T575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.048926][  T575] CR2: 0000000027ef6988 CR3: 000000000f009002 CR4: 0000000000771ef0
[   38.049125][  T575] PKRU: 55555554
[   38.049223][  T575] Call Trace:
[   38.049320][  T575]  <TASK>
[   38.049388][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.049523][  T575]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   38.049651][  T575]  notifier_call_chain (kernel/notifier.c:85)
[   38.049783][  T575]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   38.049916][  T575]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   38.050080][  T575]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.050219][  T575]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   38.050354][  T575]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.050489][  T575]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.050650][  T575]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.050780][  T575]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.050912][  T575]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.051040][  T575]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.051177][  T575]  ? __kernel_text_address (kernel/extable.c:79)
[   38.051307][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.051438][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.051570][  T575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.051700][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.051832][  T575]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.051961][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.052090][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.052226][  T575]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.052357][  T575]  ? __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)
[   38.052491][  T575]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.052619][  T575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.052750][  T575]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.052882][  T575]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.053017][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.053156][  T575]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.053287][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.053415][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.053549][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.053679][  T575]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.053808][  T575]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.053944][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.054072][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.054205][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.054336][  T575]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.054470][  T575]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.054600][  T575]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.054730][  T575]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.054862][  T575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.054990][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.055126][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.055254][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.055383][  T575]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.055517][  T575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.055645][  T575]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.055778][  T575]  ? 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))
[   38.055909][  T575]  ? 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))
[   38.056041][  T575]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.056178][  T575]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.056309][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.056442][  T575]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.056579][  T575]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.056711][  T575]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.056841][  T575]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.056972][  T575]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.057101][  T575]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.057265][  T575]  ? move_addr_to_kernel (net/socket.c:258)
[   38.057395][  T575]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.057530][  T575]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.057661][  T575]  ___sys_sendmsg (net/socket.c:2752)
[   38.057790][  T575]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.057956][  T575]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.058098][  T575]  __sys_sendmsg (net/socket.c:2784)
[   38.058234][  T575]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.058365][  T575]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.058533][  T575]  ? 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)
[   38.058661][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.058790][  T575]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.058923][  T575]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.059053][  T575]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.059188][  T575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.059349][  T575] RIP: 0033:0x7f26371c108e
[   38.059492][  T575] 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
[   38.059947][  T575] RSP: 002b:00007fff333df4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.060147][  T575] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f26371c108e
[   38.060339][  T575] RDX: 0000000000000000 RSI: 00007fff333df5a0 RDI: 0000000000000005
[   38.060538][  T575] RBP: 00007fff333df500 R08: 0000000000000000 R09: 0000000000000000
[   38.060733][  T575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e31e
[   38.060925][  T575] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff333dfc60
| [   38.940296][  T620] ------------[ cut here ]------------
| [   38.940483][  T620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/620
| [   38.940720][  T620] Modules linked in:
| [   38.941087][  T620] Tainted: [W]=WARN
[   38.941194][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.941358][  T620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.941538][  T620] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.941996][  T620] RSP: 0018:ffa00000019c7060 EFLAGS: 00010286
[   38.942165][  T620] RAX: 00000000ffffffa6 RBX: ff11000009564740 RCX: 1ff4000000338dd2
[   38.942358][  T620] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095647fc
[   38.942560][  T620] RBP: ff1100000e77c000 R08: 1fe22000012ac901 R09: ff1100000fce8b58
[   38.942750][  T620] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   38.942940][  T620] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   38.943143][  T620] FS:  00007f77c7955840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   38.943370][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.943537][  T620] CR2: 000000001f4eb988 CR3: 0000000005b80004 CR4: 0000000000771ef0
[   38.943731][  T620] PKRU: 55555554
[   38.943828][  T620] Call Trace:
[   38.943925][  T620]  <TASK>
[   38.943992][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.944130][  T620]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   38.944259][  T620]  notifier_call_chain (kernel/notifier.c:85)
[   38.944390][  T620]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   38.944527][  T620]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   38.944656][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.944789][  T620]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.944922][  T620]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   38.945053][  T620]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.945190][  T620]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.945349][  T620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.945483][  T620]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.945611][  T620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.945738][  T620]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.945867][  T620]  ? __kernel_text_address (kernel/extable.c:79)
[   38.945996][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.946131][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.946260][  T620]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.946390][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.946525][  T620]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.946653][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.946780][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.946909][  T620]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.947039][  T620]  ? __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)
[   38.947175][  T620]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.947305][  T620]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.947436][  T620]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.947569][  T620]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.947700][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.947832][  T620]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.947962][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.948089][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.948224][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.948354][  T620]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.948489][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.948621][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.948750][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.948880][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.949011][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.949145][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.949275][  T620]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.949402][  T620]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.949538][  T620]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.949668][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.949796][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.949923][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.950053][  T620]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.950187][  T620]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.950318][  T620]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.950449][  T620]  ? 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))
[   38.950581][  T620]  ? 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))
[   38.950711][  T620]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.950841][  T620]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.950972][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.951102][  T620]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.951248][  T620]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.951381][  T620]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.951516][  T620]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.951645][  T620]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.951775][  T620]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.951934][  T620]  ? move_addr_to_kernel (net/socket.c:258)
[   38.952066][  T620]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.952207][  T620]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.952342][  T620]  ___sys_sendmsg (net/socket.c:2752)
[   38.952475][  T620]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.952637][  T620]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.952779][  T620]  __sys_sendmsg (net/socket.c:2784)
[   38.952908][  T620]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.953036][  T620]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.953206][  T620]  ? 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)
[   38.953335][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.953471][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.953601][  T620]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.953732][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.953860][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.954020][  T620] RIP: 0033:0x7f77c7b8f08e
[   38.954164][  T620] 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
[   38.954636][  T620] RSP: 002b:00007ffc8ed13490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.954829][  T620] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f77c7b8f08e
[   38.955020][  T620] RDX: 0000000000000000 RSI: 00007ffc8ed13540 RDI: 0000000000000005
[   38.955218][  T620] RBP: 00007ffc8ed134a0 R08: 0000000000000000 R09: 0000000000000000
[   38.955415][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e31f
[   38.955628][  T620] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8ed13c00
| [   38.957562][  T620] ------------[ cut here ]------------
| [   38.957694][  T620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/620
| [   38.957915][  T620] Modules linked in:
| [   38.958957][  T620] Tainted: [W]=WARN
[   38.959056][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.959339][  T620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.959513][  T620] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.959972][  T620] RSP: 0018:ffa00000019c7038 EFLAGS: 00010286
[   38.960141][  T620] RAX: 00000000ffffffa6 RBX: ff11000009565c40 RCX: 1ff4000000338dcd
[   38.960334][  T620] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009565cfc
[   38.960534][  T620] RBP: ff1100000e77c000 R08: 1fe22000012acba1 R09: ff1100000fce8b58
[   38.960723][  T620] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   38.960912][  T620] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   38.961105][  T620] FS:  00007f77c7955840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   38.961336][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.961502][  T620] CR2: 000000001f4eb988 CR3: 0000000005b80004 CR4: 0000000000771ef0
[   38.961695][  T620] PKRU: 55555554
[   38.961790][  T620] Call Trace:
[   38.961885][  T620]  <TASK>
[   38.961952][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.962082][  T620]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   38.962216][  T620]  notifier_call_chain (kernel/notifier.c:85)
[   38.962347][  T620]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   38.962483][  T620]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   38.962644][  T620]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.962776][  T620]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   38.962907][  T620]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.963037][  T620]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.963204][  T620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.963335][  T620]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.963468][  T620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.963597][  T620]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.963726][  T620]  ? __kernel_text_address (kernel/extable.c:79)
[   38.963855][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.963985][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.964113][  T620]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.964249][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.964377][  T620]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.964511][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.964639][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.964856][  T620]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.964989][  T620]  ? __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)
[   38.965124][  T620]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.965254][  T620]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.965472][  T620]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.965601][  T620]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.965732][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.965864][  T620]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.966078][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.966213][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.966341][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.966472][  T620]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.966682][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.966812][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.966939][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.967068][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.967285][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.967415][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.967548][  T620]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.967675][  T620]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.967886][  T620]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.968014][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.968150][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.968279][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.968502][  T620]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.968630][  T620]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.968758][  T620]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.968891][  T620]  ? 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))
[   38.969101][  T620]  ? 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))
[   38.969238][  T620]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.969369][  T620]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.969502][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.969717][  T620]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.969845][  T620]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.969973][  T620]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.970104][  T620]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.970238][  T620]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.970365][  T620]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.970529][  T620]  ? move_addr_to_kernel (net/socket.c:258)
[   38.970742][  T620]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.970870][  T620]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.971000][  T620]  ___sys_sendmsg (net/socket.c:2752)
[   38.971131][  T620]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.971373][  T620]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.971516][  T620]  __sys_sendmsg (net/socket.c:2784)
[   38.971643][  T620]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.971770][  T620]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.972016][  T620]  ? 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)
[   38.972150][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.972278][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.972406][  T620]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.972623][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.972750][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.972909][  T620] RIP: 0033:0x7f77c7b8f08e
[   38.973043][  T620] 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
[   38.973598][  T620] RSP: 002b:00007ffc8ed13490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.973878][  T620] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f77c7b8f08e
[   38.974071][  T620] RDX: 0000000000000000 RSI: 00007ffc8ed13540 RDI: 0000000000000005
[   38.974358][  T620] RBP: 00007ffc8ed134a0 R08: 0000000000000000 R09: 0000000000000000
[   38.974555][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e31f
[   38.974747][  T620] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8ed13c00
| [   39.102056][  T626] ------------[ cut here ]------------
| [   39.102249][  T626] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/626
| [   39.102488][  T626] Modules linked in:
| [   39.102857][  T626] Tainted: [W]=WARN
[   39.102957][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.103132][  T626] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.103311][  T626] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.103810][  T626] RSP: 0018:ffa0000001937060 EFLAGS: 00010286
[   39.103974][  T626] RAX: 00000000ffffffa6 RBX: ff1100000ba0d8c0 RCX: 1ff4000000326dd2
[   39.104178][  T626] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0d97c
[   39.104372][  T626] RBP: ff1100000e77c000 R08: 1fe2200001741b31 R09: ff11000008e72e58
[   39.104570][  T626] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   39.104763][  T626] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.104959][  T626] FS:  00007f7527864840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   39.105193][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.105358][  T626] CR2: 0000000013fd6988 CR3: 000000001028f001 CR4: 0000000000771ef0
[   39.105562][  T626] PKRU: 55555554
[   39.105661][  T626] Call Trace:
[   39.105759][  T626]  <TASK>
[   39.105827][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.105960][  T626]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   39.106089][  T626]  notifier_call_chain (kernel/notifier.c:85)
[   39.106226][  T626]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   39.106358][  T626]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   39.106494][  T626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.106626][  T626]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.106760][  T626]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   39.106895][  T626]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.107026][  T626]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.107271][  T626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.107401][  T626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.107532][  T626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.107660][  T626]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.107793][  T626]  ? __kernel_text_address (kernel/extable.c:79)
[   39.107922][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.108053][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.108260][  T626]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.108471][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.108600][  T626]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.108729][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.108857][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.108987][  T626]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.109184][  T626]  ? __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)
[   39.109315][  T626]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.109445][  T626]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.109578][  T626]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.109707][  T626]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.109837][  T626]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.109968][  T626]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.110100][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.110316][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.110445][  T626]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.110578][  T626]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.110705][  T626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.110835][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.110964][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.111097][  T626]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.111292][  T626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.111422][  T626]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.111554][  T626]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.111682][  T626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.111811][  T626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.111940][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.112070][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.112278][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.112408][  T626]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.112542][  T626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.112671][  T626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.112805][  T626]  ? 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))
[   39.112934][  T626]  ? 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))
[   39.113065][  T626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.113248][  T626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.113378][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.113511][  T626]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.113641][  T626]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.113771][  T626]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.113902][  T626]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.114031][  T626]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.114164][  T626]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.114326][  T626]  ? move_addr_to_kernel (net/socket.c:258)
[   39.114461][  T626]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.114590][  T626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.114720][  T626]  ___sys_sendmsg (net/socket.c:2752)
[   39.114847][  T626]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.115006][  T626]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.115153][  T626]  __sys_sendmsg (net/socket.c:2784)
[   39.115285][  T626]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.115413][  T626]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.115581][  T626]  ? 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)
[   39.115710][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.115839][  T626]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.115970][  T626]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.116101][  T626]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.116237][  T626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.116398][  T626] RIP: 0033:0x7f7527a9e08e
[   39.116541][  T626] 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
[   39.117005][  T626] RSP: 002b:00007fff25c80420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.117207][  T626] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7527a9e08e
[   39.117401][  T626] RDX: 0000000000000000 RSI: 00007fff25c804d0 RDI: 0000000000000005
[   39.117597][  T626] RBP: 00007fff25c80430 R08: 0000000000000000 R09: 0000000000000000
[   39.117789][  T626] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e31f
[   39.117987][  T626] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff25c80b90
| [   39.119925][  T626] ------------[ cut here ]------------
| [   39.120056][  T626] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/626
| [   39.120290][  T626] Modules linked in:
| [   39.120656][  T626] Tainted: [W]=WARN
[   39.120754][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.120920][  T626] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.121088][  T626] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.121557][  T626] RSP: 0018:ffa0000001937038 EFLAGS: 00010286
[   39.121721][  T626] RAX: 00000000ffffffa6 RBX: ff1100000ba0dc40 RCX: 1ff4000000326dcd
[   39.121914][  T626] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0dcfc
[   39.122113][  T626] RBP: ff1100000e77c000 R08: 1fe2200001741ba1 R09: ff11000008e72e58
[   39.122311][  T626] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   39.122508][  T626] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.122702][  T626] FS:  00007f7527864840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   39.122927][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.123088][  T626] CR2: 0000000013fd6988 CR3: 000000001028f001 CR4: 0000000000771ef0
[   39.123288][  T626] PKRU: 55555554
[   39.123385][  T626] Call Trace:
[   39.123486][  T626]  <TASK>
[   39.123553][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.123684][  T626]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   39.123814][  T626]  notifier_call_chain (kernel/notifier.c:85)
[   39.123946][  T626]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   39.124078][  T626]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   39.124276][  T626]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.124410][  T626]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   39.124551][  T626]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.124683][  T626]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.124844][  T626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.124973][  T626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.125103][  T626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.125236][  T626]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.125366][  T626]  ? __kernel_text_address (kernel/extable.c:79)
[   39.125501][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.125633][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.125762][  T626]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.125891][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.126020][  T626]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.126155][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.126288][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.126418][  T626]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.126554][  T626]  ? __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)
[   39.126684][  T626]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.126814][  T626]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.126943][  T626]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.127071][  T626]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.127209][  T626]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.127341][  T626]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.127478][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.127607][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.127736][  T626]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.127952][  T626]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.128082][  T626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.128217][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.128345][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.128563][  T626]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.128692][  T626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.128823][  T626]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.128954][  T626]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.129170][  T626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.129299][  T626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.129426][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.129559][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.129774][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.129905][  T626]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.130034][  T626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.130168][  T626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.130386][  T626]  ? 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))
[   39.130518][  T626]  ? 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))
[   39.130649][  T626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.130780][  T626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.130996][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.131133][  T626]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.131264][  T626]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.131395][  T626]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.131613][  T626]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.131743][  T626]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.131872][  T626]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.132033][  T626]  ? move_addr_to_kernel (net/socket.c:258)
[   39.132171][  T626]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.132300][  T626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.132429][  T626]  ___sys_sendmsg (net/socket.c:2752)
[   39.132563][  T626]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.132807][  T626]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.132948][  T626]  __sys_sendmsg (net/socket.c:2784)
[   39.133089][  T626]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.133225][  T626]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.133477][  T626]  ? 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)
[   39.133607][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.133737][  T626]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.133865][  T626]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.134078][  T626]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.134211][  T626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.134372][  T626] RIP: 0033:0x7f7527a9e08e
[   39.134603][  T626] 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
[   39.135062][  T626] RSP: 002b:00007fff25c80420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.135264][  T626] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7527a9e08e
[   39.135458][  T626] RDX: 0000000000000000 RSI: 00007fff25c804d0 RDI: 0000000000000005
[   39.135739][  T626] RBP: 00007fff25c80430 R08: 0000000000000000 R09: 0000000000000000
[   39.135931][  T626] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e31f
[   39.136130][  T626] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff25c80b90
| [   40.058675][  T671] ------------[ cut here ]------------
| [   40.058854][  T671] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/671
| [   40.059088][  T671] Modules linked in:
| [   40.059464][  T671] Tainted: [W]=WARN
[   40.059566][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.059729][  T671] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.059900][  T671] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.060367][  T671] RSP: 0018:ffa0000001a17060 EFLAGS: 00010286
[   40.060538][  T671] RAX: 00000000ffffffa6 RBX: ff1100000b89fe00 RCX: 1ff4000000342dd2
[   40.060731][  T671] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89febc
[   40.060923][  T671] RBP: ff1100000e77c000 R08: 1fe2200001713fd9 R09: ff110000021d5158
[   40.061114][  T671] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   40.061312][  T671] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   40.061514][  T671] FS:  00007f0c74d65840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   40.061751][  T671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.061913][  T671] CR2: 0000000008bab988 CR3: 0000000010846001 CR4: 0000000000771ef0
[   40.062109][  T671] PKRU: 55555554
[   40.062215][  T671] Call Trace:
[   40.062315][  T671]  <TASK>
[   40.062383][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.062521][  T671]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   40.062649][  T671]  notifier_call_chain (kernel/notifier.c:85)
[   40.062781][  T671]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   40.062914][  T671]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   40.063043][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.063186][  T671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.063320][  T671]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   40.063457][  T671]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.063592][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.063752][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.063880][  T671]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.064009][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.064144][  T671]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.064284][  T671]  ? __kernel_text_address (kernel/extable.c:79)
[   40.064420][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.064558][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.064687][  T671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.064817][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.064951][  T671]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.065087][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.065221][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.065355][  T671]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.065493][  T671]  ? __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)
[   40.065622][  T671]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.065750][  T671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.065882][  T671]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.066010][  T671]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.066147][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.066280][  T671]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.066412][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.066544][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.066672][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.066800][  T671]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.066930][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.067061][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.067193][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.067323][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.067456][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.067592][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.067722][  T671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.067853][  T671]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.067985][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.068113][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.068250][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.068379][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.068515][  T671]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.068643][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.068772][  T671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.068903][  T671]  ? 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))
[   40.069032][  T671]  ? 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))
[   40.069176][  T671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.069307][  T671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.069435][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.069569][  T671]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.069699][  T671]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.069829][  T671]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.069960][  T671]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.070090][  T671]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.070228][  T671]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.070391][  T671]  ? move_addr_to_kernel (net/socket.c:258)
[   40.070528][  T671]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.070662][  T671]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.070790][  T671]  ___sys_sendmsg (net/socket.c:2752)
[   40.070918][  T671]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.071078][  T671]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.071224][  T671]  __sys_sendmsg (net/socket.c:2784)
[   40.071355][  T671]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.071488][  T671]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.071651][  T671]  ? 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)
[   40.071781][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.071916][  T671]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.072051][  T671]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.072186][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.072315][  T671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.072483][  T671] RIP: 0033:0x7f0c74f9f08e
[   40.072620][  T671] 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
[   40.073081][  T671] RSP: 002b:00007ffdd037bf40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.073289][  T671] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0c74f9f08e
[   40.073490][  T671] RDX: 0000000000000000 RSI: 00007ffdd037bff0 RDI: 0000000000000005
[   40.073688][  T671] RBP: 00007ffdd037bf50 R08: 0000000000000000 R09: 0000000000000000
[   40.073883][  T671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e320
[   40.074077][  T671] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd037c6b0
| [   40.076001][  T671] ------------[ cut here ]------------
| [   40.076139][  T671] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/671
| [   40.076359][  T671] Modules linked in:
| [   40.076720][  T671] Tainted: [W]=WARN
[   40.076816][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.076978][  T671] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.077267][  T671] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.077729][  T671] RSP: 0018:ffa0000001a17038 EFLAGS: 00010286
[   40.077893][  T671] RAX: 00000000ffffffa6 RBX: ff1100000b89f380 RCX: 1ff4000000342dcd
[   40.078088][  T671] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b89f43c
[   40.078283][  T671] RBP: ff1100000e77c000 R08: 1fe2200001713e89 R09: ff110000021d5158
[   40.078475][  T671] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   40.078673][  T671] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   40.078866][  T671] FS:  00007f0c74d65840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   40.079094][  T671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.079259][  T671] CR2: 0000000008bab988 CR3: 0000000010846001 CR4: 0000000000771ef0
[   40.079456][  T671] PKRU: 55555554
[   40.079558][  T671] Call Trace:
[   40.079654][  T671]  <TASK>
[   40.079721][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.079852][  T671]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   40.079984][  T671]  notifier_call_chain (kernel/notifier.c:85)
[   40.080123][  T671]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   40.080254][  T671]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   40.080421][  T671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.080561][  T671]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   40.080694][  T671]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.080827][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.080988][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.081128][  T671]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.081259][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.081387][  T671]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.081522][  T671]  ? __kernel_text_address (kernel/extable.c:79)
[   40.081655][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.081786][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.081915][  T671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.082047][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.082187][  T671]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.082321][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.082450][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.082583][  T671]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.082714][  T671]  ? __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)
[   40.082845][  T671]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.082973][  T671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.083103][  T671]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.083235][  T671]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.083365][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.083501][  T671]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.083637][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.083766][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.083893][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.084021][  T671]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.084154][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.084286][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.084413][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.084546][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.084675][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.084815][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.084943][  T671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.085071][  T671]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.085204][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.085332][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.085467][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.085595][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.085725][  T671]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.085854][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.085988][  T671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.086127][  T671]  ? 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))
[   40.086260][  T671]  ? 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))
[   40.086389][  T671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.086524][  T671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.086657][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.086786][  T671]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.086916][  T671]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.087047][  T671]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.087182][  T671]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.087310][  T671]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.087439][  T671]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.087607][  T671]  ? move_addr_to_kernel (net/socket.c:258)
[   40.087821][  T671]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.087951][  T671]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.088080][  T671]  ___sys_sendmsg (net/socket.c:2752)
[   40.088213][  T671]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.088455][  T671]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.088600][  T671]  __sys_sendmsg (net/socket.c:2784)
[   40.088729][  T671]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.088856][  T671]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.089102][  T671]  ? 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)
[   40.089233][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.089363][  T671]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.089493][  T671]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.089703][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.089830][  T671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.089991][  T671] RIP: 0033:0x7f0c74f9f08e
[   40.090131][  T671] 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
[   40.090597][  T671] RSP: 002b:00007ffdd037bf40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.090878][  T671] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0c74f9f08e
[   40.091071][  T671] RDX: 0000000000000000 RSI: 00007ffdd037bff0 RDI: 0000000000000005
[   40.091356][  T671] RBP: 00007ffdd037bf50 R08: 0000000000000000 R09: 0000000000000000
[   40.091553][  T671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e320
[   40.091750][  T671] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd037c6b0
| [   40.224751][  T677] ------------[ cut here ]------------
| [   40.224960][  T677] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/677
| [   40.225486][  T677] Modules linked in:
| [   40.225946][  T677] Tainted: [W]=WARN
[   40.226090][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.226316][  T677] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.226542][  T677] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.227052][  T677] RSP: 0018:ffa0000001aa7060 EFLAGS: 00010286
[   40.227273][  T677] RAX: 00000000ffffffa6 RBX: ff1100000cb68e40 RCX: 1ff4000000354dd2
[   40.227520][  T677] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb68efc
[   40.227758][  T677] RBP: ff1100000e77c000 R08: 1fe220000196d1e1 R09: ff110000103e0b58
[   40.227999][  T677] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   40.228250][  T677] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   40.228498][  T677] FS:  00007fcf9a80f840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   40.228771][  T677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.228985][  T677] CR2: 000000003cbc9988 CR3: 000000000e75d001 CR4: 0000000000771ef0
[   40.229234][  T677] PKRU: 55555554
[   40.229377][  T677] Call Trace:
[   40.229529][  T677]  <TASK>
[   40.229643][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.229821][  T677]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   40.229998][  T677]  notifier_call_chain (kernel/notifier.c:85)
[   40.230190][  T677]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   40.230372][  T677]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   40.230555][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.230736][  T677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.230917][  T677]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   40.231096][  T677]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.231287][  T677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.231502][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.231682][  T677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.231857][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.232032][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.232222][  T677]  ? __kernel_text_address (kernel/extable.c:79)
[   40.232401][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.232591][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.232770][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.232950][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.233137][  T677]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.233310][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.233491][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.233670][  T677]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.233846][  T677]  ? __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)
[   40.234023][  T677]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.234212][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.234395][  T677]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.234583][  T677]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.234765][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.234944][  T677]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.235135][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.235310][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.235495][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.235670][  T677]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.235850][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.236029][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.236217][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.236393][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.236572][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.236750][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.236926][  T677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.237107][  T677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.237298][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.237480][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.237658][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.237832][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.238009][  T677]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.238200][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.238377][  T677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.238572][  T677]  ? 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))
[   40.238749][  T677]  ? 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))
[   40.238930][  T677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.239111][  T677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.239304][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.239490][  T677]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.239668][  T677]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.239846][  T677]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.240028][  T677]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.240220][  T677]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.240396][  T677]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.240610][  T677]  ? move_addr_to_kernel (net/socket.c:258)
[   40.240790][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.240966][  T677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.241156][  T677]  ___sys_sendmsg (net/socket.c:2752)
[   40.241335][  T677]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.241553][  T677]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.241742][  T677]  __sys_sendmsg (net/socket.c:2784)
[   40.241919][  T677]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.242093][  T677]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.242317][  T677]  ? 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)
[   40.242505][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.242686][  T677]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.242883][  T677]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.243142][  T677]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.243390][  T677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.243699][  T677] RIP: 0033:0x7fcf9aa4908e
[   40.243937][  T677] 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
[   40.244457][  T677] RSP: 002b:00007ffd6ea53cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.244718][  T677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcf9aa4908e
[   40.244964][  T677] RDX: 0000000000000000 RSI: 00007ffd6ea53d80 RDI: 0000000000000005
[   40.245270][  T677] RBP: 00007ffd6ea53ce0 R08: 0000000000000000 R09: 0000000000000000
[   40.245541][  T677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e320
[   40.245849][  T677] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6ea54440
| [   40.248301][  T677] ------------[ cut here ]------------
| [   40.248479][  T677] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/677
| [   40.248749][  T677] Modules linked in:
| [   40.249234][  T677] Tainted: [W]=WARN
[   40.249380][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.249603][  T677] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.249821][  T677] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.250876][  T677] RSP: 0018:ffa0000001aa7038 EFLAGS: 00010286
[   40.251087][  T677] RAX: 00000000ffffffa6 RBX: ff1100000cb691c0 RCX: 1ff4000000354dcd
[   40.251342][  T677] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb6927c
[   40.251595][  T677] RBP: ff1100000e77c000 R08: 1fe220000196d251 R09: ff110000103e0b58
[   40.251843][  T677] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   40.252085][  T677] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   40.252342][  T677] FS:  00007fcf9a80f840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   40.252627][  T677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.252842][  T677] CR2: 000000003cbc9988 CR3: 000000000e75d001 CR4: 0000000000771ef0
[   40.253086][  T677] PKRU: 55555554
[   40.253242][  T677] Call Trace:
[   40.253389][  T677]  <TASK>
[   40.253510][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.253694][  T677]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   40.253874][  T677]  notifier_call_chain (kernel/notifier.c:85)
[   40.254057][  T677]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   40.254258][  T677]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   40.254479][  T677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.254664][  T677]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   40.254846][  T677]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.255025][  T677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.255250][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.255429][  T677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.255619][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.255797][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.255975][  T677]  ? __kernel_text_address (kernel/extable.c:79)
[   40.256168][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.256349][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.256536][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.256714][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.256896][  T677]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.257073][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.257264][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.257443][  T677]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.257631][  T677]  ? __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)
[   40.257808][  T677]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.257987][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.258180][  T677]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.258362][  T677]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.258555][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.258739][  T677]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.258918][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.259095][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.259289][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.259476][  T677]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.259668][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.259849][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.260025][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.260218][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.260398][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.260645][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.260891][  T677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.261161][  T677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.261417][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.261647][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.261828][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.262005][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.262198][  T677]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.262376][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.262564][  T677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.262750][  T677]  ? 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))
[   40.262930][  T677]  ? 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))
[   40.263110][  T677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.263361][  T677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.263615][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.263863][  T677]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.264130][  T677]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.264337][  T677]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.264533][  T677]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.264716][  T677]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.264898][  T677]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.265105][  T677]  ? move_addr_to_kernel (net/socket.c:258)
[   40.265299][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.265485][  T677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.265665][  T677]  ___sys_sendmsg (net/socket.c:2752)
[   40.265846][  T677]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.266054][  T677]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.266256][  T677]  __sys_sendmsg (net/socket.c:2784)
[   40.266437][  T677]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.266627][  T677]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.266841][  T677]  ? 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)
[   40.267019][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.267216][  T677]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.267394][  T677]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.267586][  T677]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.267767][  T677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.267975][  T677] RIP: 0033:0x7fcf9aa4908e
[   40.268169][  T677] 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
[   40.268780][  T677] RSP: 002b:00007ffd6ea53cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.269021][  T677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcf9aa4908e
[   40.269358][  T677] RDX: 0000000000000000 RSI: 00007ffd6ea53d80 RDI: 0000000000000005
[   40.269601][  T677] RBP: 00007ffd6ea53ce0 R08: 0000000000000000 R09: 0000000000000000
[   40.269844][  T677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e320
[   40.270184][  T677] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6ea54440
| [   41.193749][  T722] ------------[ cut here ]------------
| [   41.193923][  T722] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/722
| [   41.194661][  T722] Modules linked in:
| [   41.195085][  T722] Tainted: [W]=WARN
[   41.195244][  T722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.195408][  T722] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.195584][  T722] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.196039][  T722] RSP: 0018:ffa0000001af7060 EFLAGS: 00010286
[   41.196274][  T722] RAX: 00000000ffffffa6 RBX: ff1100000fc87c40 RCX: 1ff400000035edd2
[   41.196474][  T722] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc87cfc
[   41.196666][  T722] RBP: ff1100000e77c000 R08: 1fe2200001f90fa1 R09: ff1100000f6e2e58
[   41.196860][  T722] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   41.197051][  T722] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   41.197257][  T722] FS:  00007fbcda141840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.197512][  T722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.197686][  T722] CR2: 00007fbcda4111a0 CR3: 000000000f4b3001 CR4: 0000000000771ef0
[   41.197881][  T722] PKRU: 55555554
[   41.197982][  T722] Call Trace:
[   41.198079][  T722]  <TASK>
[   41.198154][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.198285][  T722]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   41.198415][  T722]  notifier_call_chain (kernel/notifier.c:85)
[   41.198589][  T722]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   41.198722][  T722]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   41.198850][  T722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.198983][  T722]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.199114][  T722]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   41.199251][  T722]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   41.199381][  T722]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   41.199548][  T722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.199675][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.199804][  T722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.199930][  T722]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.200059][  T722]  ? __kernel_text_address (kernel/extable.c:79)
[   41.200193][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.200325][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.200456][  T722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.200589][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.200719][  T722]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.200850][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.200978][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.201106][  T722]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.201242][  T722]  ? __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)
[   41.201373][  T722]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   41.201507][  T722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.201637][  T722]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   41.201765][  T722]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.201895][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   41.202027][  T722]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.202163][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.202290][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.202418][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.202550][  T722]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.202679][  T722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.202811][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.202937][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.203065][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.203201][  T722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.203332][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.203460][  T722]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.203619][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.203749][  T722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.203877][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.204006][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.204140][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.204273][  T722]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.204405][  T722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.204539][  T722]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.204672][  T722]  ? 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))
[   41.204800][  T722]  ? 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))
[   41.204932][  T722]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.205062][  T722]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.205197][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.205331][  T722]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.205466][  T722]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.205598][  T722]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.205733][  T722]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.205863][  T722]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.205991][  T722]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.206158][  T722]  ? move_addr_to_kernel (net/socket.c:258)
[   41.206287][  T722]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.206416][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.206552][  T722]  ___sys_sendmsg (net/socket.c:2752)
[   41.206682][  T722]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.206846][  T722]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.206986][  T722]  __sys_sendmsg (net/socket.c:2784)
[   41.207126][  T722]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.207255][  T722]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.207417][  T722]  ? 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)
[   41.207551][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.207680][  T722]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.207811][  T722]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.207942][  T722]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.208070][  T722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.208239][  T722] RIP: 0033:0x7fbcda37b08e
[   41.208376][  T722] 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
[   41.208841][  T722] RSP: 002b:00007fff13d55b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.209036][  T722] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbcda37b08e
[   41.209234][  T722] RDX: 0000000000000000 RSI: 00007fff13d55c20 RDI: 0000000000000005
[   41.209426][  T722] RBP: 00007fff13d55b80 R08: 0000000000000000 R09: 0000000000000000
[   41.209624][  T722] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e321
[   41.209815][  T722] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff13d562e0
| [   41.211746][  T722] ------------[ cut here ]------------
| [   41.211876][  T722] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/722
| [   41.212097][  T722] Modules linked in:
| [   41.212472][  T722] Tainted: [W]=WARN
[   41.212571][  T722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.212733][  T722] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.212899][  T722] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.213655][  T722] RSP: 0018:ffa0000001af7038 EFLAGS: 00010286
[   41.213819][  T722] RAX: 00000000ffffffa6 RBX: ff1100000fc86e40 RCX: 1ff400000035edcd
[   41.214011][  T722] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc86efc
[   41.214205][  T722] RBP: ff1100000e77c000 R08: 1fe2200001f90de1 R09: ff1100000f6e2e58
[   41.214398][  T722] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   41.214591][  T722] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   41.214786][  T722] FS:  00007fbcda141840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.215011][  T722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.215176][  T722] CR2: 00007fbcda4111a0 CR3: 000000000f4b3001 CR4: 0000000000771ef0
[   41.215370][  T722] PKRU: 55555554
[   41.215471][  T722] Call Trace:
[   41.215568][  T722]  <TASK>
[   41.215634][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.215763][  T722]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   41.215894][  T722]  notifier_call_chain (kernel/notifier.c:85)
[   41.216026][  T722]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   41.216164][  T722]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   41.216329][  T722]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.216466][  T722]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   41.216597][  T722]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   41.216727][  T722]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   41.216888][  T722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.217017][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.217153][  T722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.217285][  T722]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.217413][  T722]  ? __kernel_text_address (kernel/extable.c:79)
[   41.217546][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.217689][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.217817][  T722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.217970][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.218100][  T722]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.218237][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.218364][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.218498][  T722]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.218627][  T722]  ? __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)
[   41.218756][  T722]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   41.218885][  T722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.219017][  T722]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   41.219151][  T722]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.219284][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   41.219415][  T722]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.219548][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.219676][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.219803][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.219932][  T722]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.220060][  T722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.220203][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.220330][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.220457][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.220591][  T722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.220720][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.220849][  T722]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.220978][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.221107][  T722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.221242][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.221373][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.221504][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.221633][  T722]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.221762][  T722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.221891][  T722]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.222024][  T722]  ? 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))
[   41.222162][  T722]  ? 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))
[   41.222294][  T722]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.222426][  T722]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.222560][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.222690][  T722]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.222821][  T722]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.222953][  T722]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.223084][  T722]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.223221][  T722]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.223351][  T722]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.223515][  T722]  ? move_addr_to_kernel (net/socket.c:258)
[   41.223644][  T722]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.223773][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.223903][  T722]  ___sys_sendmsg (net/socket.c:2752)
[   41.224031][  T722]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.224200][  T722]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.224340][  T722]  __sys_sendmsg (net/socket.c:2784)
[   41.224473][  T722]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.224603][  T722]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.224768][  T722]  ? 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)
[   41.224897][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.225028][  T722]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.225163][  T722]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.225294][  T722]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.225423][  T722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.225588][  T722] RIP: 0033:0x7fbcda37b08e
[   41.225722][  T722] 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
[   41.226192][  T722] RSP: 002b:00007fff13d55b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.226396][  T722] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbcda37b08e
[   41.226594][  T722] RDX: 0000000000000000 RSI: 00007fff13d55c20 RDI: 0000000000000005
[   41.226786][  T722] RBP: 00007fff13d55b80 R08: 0000000000000000 R09: 0000000000000000
[   41.226983][  T722] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e321
[   41.227181][  T722] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff13d562e0
| [   41.354722][  T728] ------------[ cut here ]------------
| [   41.354891][  T728] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/728
| [   41.355132][  T728] Modules linked in:
| [   41.355521][  T728] Tainted: [W]=WARN
[   41.355619][  T728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.355787][  T728] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.355960][  T728] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.356425][  T728] RSP: 0018:ffa0000001997060 EFLAGS: 00010286
[   41.356609][  T728] RAX: 00000000ffffffa6 RBX: ff1100000cb25000 RCX: 1ff4000000332dd2
[   41.356866][  T728] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb250bc
[   41.357058][  T728] RBP: ff1100000e77c000 R08: 1fe2200001964a19 R09: ff1100000c248b58
[   41.357270][  T728] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   41.357474][  T728] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.357678][  T728] FS:  00007f41b8016840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   41.357906][  T728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.358069][  T728] CR2: 0000000002d19988 CR3: 0000000004bbb005 CR4: 0000000000771ef0
[   41.358271][  T728] PKRU: 55555554
[   41.358368][  T728] Call Trace:
[   41.358474][  T728]  <TASK>
[   41.358543][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.358678][  T728]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   41.358809][  T728]  notifier_call_chain (kernel/notifier.c:85)
[   41.358941][  T728]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   41.359071][  T728]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   41.359205][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.359338][  T728]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.359476][  T728]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   41.359612][  T728]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   41.359745][  T728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   41.359906][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.360033][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.360165][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.360293][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.360423][  T728]  ? __kernel_text_address (kernel/extable.c:79)
[   41.360563][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.360693][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.360821][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.360953][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.361080][  T728]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.361213][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.361341][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.361479][  T728]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.361631][  T728]  ? __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)
[   41.361763][  T728]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   41.361894][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.362024][  T728]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   41.362235][  T728]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.362433][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   41.362572][  T728]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.362702][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.362831][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.362960][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.363086][  T728]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.363268][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.363399][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.363533][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.363660][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.363791][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.363920][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.364051][  T728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.364256][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.364385][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.364518][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.364648][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.364776][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.364907][  T728]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.365036][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.365228][  T728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.365359][  T728]  ? 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))
[   41.365493][  T728]  ? 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))
[   41.365624][  T728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.365754][  T728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.365885][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.366015][  T728]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.366231][  T728]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.366360][  T728]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.366498][  T728]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.366628][  T728]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.366755][  T728]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.366914][  T728]  ? move_addr_to_kernel (net/socket.c:258)
[   41.367047][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.367215][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.367345][  T728]  ___sys_sendmsg (net/socket.c:2752)
[   41.367475][  T728]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.367636][  T728]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.367776][  T728]  __sys_sendmsg (net/socket.c:2784)
[   41.367903][  T728]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.368032][  T728]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.368197][  T728]  ? 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)
[   41.368326][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.368456][  T728]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.368592][  T728]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.368721][  T728]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.368850][  T728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.369013][  T728] RIP: 0033:0x7f41b825008e
[   41.369157][  T728] 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
[   41.369625][  T728] RSP: 002b:00007ffc7dd6f1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.369819][  T728] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f41b825008e
[   41.370017][  T728] RDX: 0000000000000000 RSI: 00007ffc7dd6f270 RDI: 0000000000000005
[   41.370215][  T728] RBP: 00007ffc7dd6f1d0 R08: 0000000000000000 R09: 0000000000000000
[   41.370408][  T728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e321
[   41.370607][  T728] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7dd6f930
| [   41.372567][  T728] ------------[ cut here ]------------
| [   41.372698][  T728] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/728
| [   41.372921][  T728] Modules linked in:
| [   41.373291][  T728] Tainted: [W]=WARN
[   41.373387][  T728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.373565][  T728] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.373785][  T728] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.374497][  T728] RSP: 0018:ffa0000001997038 EFLAGS: 00010286
[   41.374732][  T728] RAX: 00000000ffffffa6 RBX: ff110000053f0e40 RCX: 1ff4000000332dcd
[   41.374928][  T728] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f0efc
[   41.375127][  T728] RBP: ff1100000e77c000 R08: 1fe2200000a7e1e1 R09: ff1100000c248b58
[   41.375319][  T728] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   41.375517][  T728] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.375711][  T728] FS:  00007f41b8016840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   41.375934][  T728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.376095][  T728] CR2: 0000000002d19988 CR3: 0000000004bbb005 CR4: 0000000000771ef0
[   41.376296][  T728] PKRU: 55555554
[   41.376393][  T728] Call Trace:
[   41.376497][  T728]  <TASK>
[   41.376566][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.376696][  T728]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   41.376825][  T728]  notifier_call_chain (kernel/notifier.c:85)
[   41.376957][  T728]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   41.377088][  T728]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   41.377255][  T728]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.377390][  T728]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   41.377529][  T728]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   41.377661][  T728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   41.377821][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.377952][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.378081][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.378214][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.378343][  T728]  ? __kernel_text_address (kernel/extable.c:79)
[   41.378480][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.378612][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.378741][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.378870][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.379000][  T728]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.379132][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.379263][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.379391][  T728]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.379528][  T728]  ? __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)
[   41.379657][  T728]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   41.379786][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.379917][  T728]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   41.380045][  T728]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.380181][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   41.380314][  T728]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.380444][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.380579][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.380708][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.380837][  T728]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.380966][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.381096][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.381227][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.381356][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.381492][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.381622][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.381752][  T728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.381880][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.382010][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.382144][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.382275][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.382403][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.382543][  T728]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.382671][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.382800][  T728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.382932][  T728]  ? 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))
[   41.383060][  T728]  ? 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))
[   41.383195][  T728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.383326][  T728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.383456][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.383593][  T728]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.383724][  T728]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.383853][  T728]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.383986][  T728]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.384121][  T728]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.384249][  T728]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.384408][  T728]  ? move_addr_to_kernel (net/socket.c:258)
[   41.384544][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.384673][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.384803][  T728]  ___sys_sendmsg (net/socket.c:2752)
[   41.384933][  T728]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.385092][  T728]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.385237][  T728]  __sys_sendmsg (net/socket.c:2784)
[   41.385365][  T728]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.385501][  T728]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.385662][  T728]  ? 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)
[   41.385792][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.385922][  T728]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.386053][  T728]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.386188][  T728]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.386316][  T728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.386481][  T728] RIP: 0033:0x7f41b825008e
[   41.386618][  T728] 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
[   41.387080][  T728] RSP: 002b:00007ffc7dd6f1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.387280][  T728] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f41b825008e
[   41.387483][  T728] RDX: 0000000000000000 RSI: 00007ffc7dd6f270 RDI: 0000000000000005
[   41.387697][  T728] RBP: 00007ffc7dd6f1d0 R08: 0000000000000000 R09: 0000000000000000
[   41.387993][  T728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e321
[   41.388303][  T728] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7dd6f930
| [   41.548214][   T67] ------------[ cut here ]------------
| [   41.548370][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   41.548621][   T67] Modules linked in:
| [   41.548995][   T67] Tainted: [W]=WARN
[   41.549084][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.549248][   T67] Workqueue: netns cleanup_net
[   41.549374][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.549535][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.549957][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.550109][   T67] RAX: 00000000ffffffa6 RBX: ff110000053f0200 RCX: 1ff4000000090eed
[   41.550296][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f02bc
[   41.550480][   T67] RBP: ff1100000a864000 R08: 1fe2200000a7e059 R09: ff110000091a8bd0
[   41.550670][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.550856][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.551039][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.551293][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.551511][   T67] CR2: 00007f5f29750f98 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   41.551770][   T67] PKRU: 55555554
[   41.551904][   T67] Call Trace:
[   41.552036][   T67]  <TASK>
[   41.552109][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.552276][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.552422][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.552549][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.552669][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.552785][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.552911][   T67]  ? 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)
[   41.553032][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.553159][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.553278][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.553396][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.553523][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.553642][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.553761][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.553878][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.553997][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.554121][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.554250][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.554372][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.554504][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.554636][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.554756][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.554874][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.554994][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.555123][   T67]  kthread (kernel/kthread.c:436)
[   41.555212][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.555359][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.555484][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.555604][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.555751][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.555868][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.555985][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.558900][   T67] ------------[ cut here ]------------
| [   41.559040][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   41.559293][   T67] Modules linked in:
| [   41.559661][   T67] Tainted: [W]=WARN
[   41.559753][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.559900][   T67] Workqueue: netns cleanup_net
[   41.560023][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.560186][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.560622][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.560775][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c5f98c0 RCX: 1ff4000000090eed
[   41.560954][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f997c
[   41.561136][   T67] RBP: ff11000008d91000 R08: 1fe22000018bf331 R09: ff110000091a8bd0
[   41.561318][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.561514][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.561691][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.561901][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.562053][   T67] CR2: 00007f5f29750f98 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   41.562242][   T67] PKRU: 55555554
[   41.562331][   T67] Call Trace:
[   41.562418][   T67]  <TASK>
[   41.562489][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.562639][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.562786][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.562905][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.563025][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.563152][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.563272][   T67]  ? 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)
[   41.563391][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.563518][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.563706][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.563825][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.563948][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.564149][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.564266][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.564387][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.564509][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.564626][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.564746][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.564868][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.564986][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.565108][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.565232][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.565420][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.565549][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.565665][   T67]  kthread (kernel/kthread.c:436)
[   41.565754][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.566041][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.566169][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.566290][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.566440][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.566569][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.566687][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.569607][   T67] ------------[ cut here ]------------
| [   41.569730][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   41.570029][   T67] Modules linked in:
| [   41.570438][   T67] Tainted: [W]=WARN
[   41.570533][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.570679][   T67] Workqueue: netns cleanup_net
[   41.570801][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.570954][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.571382][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.571544][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de06200 RCX: 1ff4000000090eed
[   41.571719][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de062bc
[   41.571894][   T67] RBP: ff11000005ba4000 R08: 1fe2200001bc0c59 R09: ff110000091a8bd0
[   41.572067][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.572243][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.572418][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.572628][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.572776][   T67] CR2: 00007f5f29750f98 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   41.572953][   T67] PKRU: 55555554
[   41.573040][   T67] Call Trace:
[   41.573130][   T67]  <TASK>
[   41.573193][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.573412][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.573561][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.573677][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.573867][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.573984][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.574103][   T67]  ? 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)
[   41.574227][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.574415][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.574537][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.574666][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.574784][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.574974][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.575091][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.575213][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.575331][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.575526][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.575645][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.575766][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.575883][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.576074][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.576198][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.576315][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.576433][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.576629][   T67]  kthread (kernel/kthread.c:436)
[   41.576719][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.576866][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.576983][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.577177][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.577324][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.577440][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.577561][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.590055][   T67] ------------[ cut here ]------------
| [   41.590192][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   41.590425][   T67] Modules linked in:
| [   41.590802][   T67] Tainted: [W]=WARN
[   41.590893][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.591041][   T67] Workqueue: netns cleanup_net
[   41.591169][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.591328][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.591769][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.591918][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de07c40 RCX: 1ff4000000090eed
[   41.592100][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de07cfc
[   41.592284][   T67] RBP: ff1100000f68c000 R08: 1fe2200001bc0fa1 R09: ff110000091a8bd0
[   41.592460][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.592646][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.592825][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.593036][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.593191][   T67] CR2: 00007f5f29750f98 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   41.593372][   T67] PKRU: 55555554
[   41.593467][   T67] Call Trace:
[   41.593556][   T67]  <TASK>
[   41.593619][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.593771][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.593917][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.594040][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.594172][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.594291][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.594411][   T67]  ? 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)
[   41.594535][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.594655][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.594773][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.594894][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.595013][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.595136][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.595258][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.595376][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.595501][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.595619][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.595742][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.595863][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.595982][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.596106][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.596238][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.596357][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.596486][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.596606][   T67]  kthread (kernel/kthread.c:436)
[   41.596700][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.596850][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.596970][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.597090][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.597245][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.597366][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.597491][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.599781][   T67] ------------[ cut here ]------------
| [   41.599901][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   41.600139][   T67] Modules linked in:
| [   41.600503][   T67] Tainted: [W]=WARN
[   41.600593][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.600747][   T67] Workqueue: netns cleanup_net
[   41.600870][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.601030][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.601457][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.601614][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de06ac0 RCX: 1ff4000000090eed
[   41.601794][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de06b7c
[   41.601972][   T67] RBP: ff1100000f2c9000 R08: 1fe2200001bc0d71 R09: ff110000091a8bd0
[   41.602161][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.602340][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.602528][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.602735][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.602883][   T67] CR2: 00007f5f29750f98 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   41.603063][   T67] PKRU: 55555554
[   41.603156][   T67] Call Trace:
[   41.603246][   T67]  <TASK>
[   41.603308][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.603459][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.603632][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.603751][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.603875][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.603993][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.604111][   T67]  ? 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)
[   41.604239][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.604358][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.604607][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.604726][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.604845][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.604999][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.605185][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.605331][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.605493][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.605663][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.605844][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.606026][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.606216][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.606372][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.606498][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.606619][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.606737][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.606855][   T67]  kthread (kernel/kthread.c:436)
[   41.606942][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.607091][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.607215][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.607334][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.607490][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.607608][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.607723][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.620543][   T67] ------------[ cut here ]------------
| [   41.620736][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.620987][   T67] Modules linked in:
| [   41.621388][   T67] Tainted: [W]=WARN
[   41.621488][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.621662][   T67] Workqueue: netns cleanup_net
[   41.621823][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.621992][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.622440][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   41.622602][   T67] RAX: 00000000ffffffa6 RBX: ff11000009259540 RCX: 1ff4000000090eaf
[   41.622807][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092595fc
[   41.622997][   T67] RBP: ff1100000ffd4000 R08: 1fe220000124b2c1 R09: ff110000091a8bd0
[   41.623192][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   41.623400][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e77c000
[   41.623680][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.624013][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.624247][   T67] CR2: 000055d1a1549988 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.624437][   T67] PKRU: 55555554
[   41.624539][   T67] Call Trace:
[   41.624642][   T67]  <TASK>
[   41.624709][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.624836][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.624932][   T67]  netif_close_many (net/core/dev.c:1804)
[   41.625057][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.625188][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.625313][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.625437][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   41.625571][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   41.625732][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   41.625890][   T67]  ? 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)
[   41.626015][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.626177][   T67]  ? 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)
[   41.626299][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.626424][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.626583][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   41.626710][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.626837][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.626964][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.627089][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.627222][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.627346][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.627475][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.627599][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.627726][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.627853][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.628004][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.628185][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.628312][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.628434][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.628571][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.628703][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.628828][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.628958][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.629084][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.629214][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.629342][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.629471][   T67]  kthread (kernel/kthread.c:436)
[   41.629564][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.629721][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.629844][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.629970][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.630131][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.630258][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.630381][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.632998][   T67] ------------[ cut here ]------------
| [   41.633572][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.633820][   T67] Modules linked in:
| [   41.634254][   T67] Tainted: [W]=WARN
[   41.634350][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.634580][   T67] Workqueue: netns cleanup_net
[   41.634709][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.634876][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.635457][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   41.635623][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a095540 RCX: 1ff4000000090eaf
[   41.635843][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0955fc
[   41.636079][   T67] RBP: ff1100000e77c000 R08: 1fe2200001412ac1 R09: ff110000091a8bd0
[   41.636324][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   41.636515][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f071000
[   41.636700][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.636919][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.637074][   T67] CR2: 000055d1a1549988 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.637316][   T67] PKRU: 55555554
[   41.637409][   T67] Call Trace:
[   41.637557][   T67]  <TASK>
[   41.637623][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.637749][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   41.637878][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.637973][   T67]  netif_close_many (net/core/dev.c:1804)
[   41.638098][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.638274][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.638398][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.638529][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   41.638656][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   41.638813][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   41.638969][   T67]  ? 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)
[   41.639093][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.639296][   T67]  ? 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)
[   41.639422][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.639554][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.639709][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   41.639837][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.639963][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.640086][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.640262][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.640387][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.640518][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.640641][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.640763][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.640891][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.641017][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.641196][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.641322][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.641448][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.641591][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.641715][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.641844][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.642013][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.642235][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.642362][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.642494][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.642619][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.642744][   T67]  kthread (kernel/kthread.c:436)
[   41.642838][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.642994][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.643170][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.643299][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.643454][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.643587][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.643713][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.648511][   T67] ------------[ cut here ]------------
| [   41.648650][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   41.648897][   T67] Modules linked in:
| [   41.649312][   T67] Tainted: [W]=WARN
[   41.649407][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.649571][   T67] Workqueue: netns cleanup_net
[   41.649699][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.649861][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.650308][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   41.650471][   T67] RAX: 00000000ffffffa6 RBX: ff11000010941700 RCX: 1ff4000000090eaf
[   41.650657][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109417bc
[   41.650849][   T67] RBP: ff1100000f071000 R08: 1fe22000021282f9 R09: ff110000091a8bd0
[   41.651035][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   41.651279][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   41.651471][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.651687][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.651841][   T67] CR2: 00007f5b7c472000 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   41.652027][   T67] PKRU: 55555554
[   41.652171][   T67] Call Trace:
[   41.652268][   T67]  <TASK>
[   41.652333][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.652457][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   41.652606][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.652700][   T67]  netif_close_many (net/core/dev.c:1804)
[   41.652836][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.653015][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.653283][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.653481][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   41.653670][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   41.653899][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   41.654059][   T67]  ? 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)
[   41.654245][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.654398][   T67]  ? 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)
[   41.654526][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.654650][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.654804][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   41.654931][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.655056][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.655236][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.655359][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.655491][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.655616][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.655739][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.655860][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.655984][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.656112][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.656287][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.656408][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.656536][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.656657][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.656782][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.656908][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.657045][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.657199][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.657326][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.657448][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.657577][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.657700][   T67]  kthread (kernel/kthread.c:436)
[   41.657793][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.657948][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.658071][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.658200][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.658357][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.658489][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.658613][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.660961][   T67] ------------[ cut here ]------------
| [   41.661092][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   41.661338][   T67] Modules linked in:
| [   41.661735][   T67] Tainted: [W]=WARN
[   41.661833][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.661983][   T67] Workqueue: netns cleanup_net
[   41.662111][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.662272][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.662707][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   41.662855][   T67] RAX: 00000000ffffffa6 RBX: ff11000010940040 RCX: 1ff4000000090ed5
[   41.663031][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109400fc
[   41.663214][   T67] RBP: ff1100000ffd4000 R08: 1fe2200002128021 R09: ff110000091a8bd0
[   41.663389][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.663570][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.663755][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.663982][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.664145][   T67] CR2: 00007f5b7c472000 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   41.664323][   T67] PKRU: 55555554
[   41.664410][   T67] Call Trace:
[   41.664504][   T67]  <TASK>
[   41.664565][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.664720][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.664869][   T67]  ? 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)
[   41.664986][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.665103][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.665262][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.665382][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.665506][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.665624][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.665745][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.665863][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.665982][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.666099][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.666223][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.666345][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.666471][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.666591][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.666711][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.666828][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.666949][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.667072][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.667201][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.667323][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.667449][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.667580][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.667699][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.667817][   T67]  kthread (kernel/kthread.c:436)
[   41.667906][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.668053][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.668178][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.668299][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.668449][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.668577][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.668695][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.671013][   T67] ------------[ cut here ]------------
| [   41.671847][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   41.672083][   T67] Modules linked in:
| [   41.672500][   T67] Tainted: [W]=WARN
[   41.672597][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.672745][   T67] Workqueue: netns cleanup_net
[   41.672869][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.673022][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.673511][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   41.673665][   T67] RAX: 00000000ffffffa6 RBX: ff1100000daa0900 RCX: 1ff4000000090ed5
[   41.673840][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa09bc
[   41.674015][   T67] RBP: ff1100000e77c000 R08: 1fe2200001b54139 R09: ff110000091a8bd0
[   41.674239][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.674417][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.674600][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   41.674807][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.674960][   T67] CR2: 00007f5b7c472000 CR3: 0000000077f4d003 CR4: 0000000000771ef0
[   41.675189][   T67] PKRU: 55555554
[   41.675278][   T67] Call Trace:
[   41.675365][   T67]  <TASK>
[   41.675427][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.675586][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.675734][   T67]  ? 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)
[   41.675854][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.675971][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.676172][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.676292][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.676410][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.676532][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.676651][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.676770][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.676889][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.677008][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.677174][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.677299][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.677422][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.677546][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.677666][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.677783][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.677905][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.678029][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.678194][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.678318][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.678437][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.678569][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.678691][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.678807][   T67]  kthread (kernel/kthread.c:436)
[   41.678897][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.679045][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.679212][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.679333][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.679486][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.679604][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.679722][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.683042][   T67] ------------[ cut here ]------------
| [   41.683185][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.683423][   T67] Modules linked in:
| [   41.683789][   T67] Tainted: [W]=WARN
[   41.683880][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.684028][   T67] Workqueue: netns cleanup_net
[   41.684158][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.684320][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.684754][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   41.684902][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cda5700 RCX: 1ff4000000090ed5
[   41.685080][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cda57bc
[   41.685262][   T67] RBP: ff1100000f071000 R08: 1fe22000019b4af9 R09: ff110000091a8bd0
[   41.685439][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   41.685621][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.685800][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.686007][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.686163][   T67] CR2: 00007f5f29626800 CR3: 000000000963b006 CR4: 0000000000771ef0
[   41.686345][   T67] PKRU: 55555554
[   41.686433][   T67] Call Trace:
[   41.686526][   T67]  <TASK>
[   41.686589][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.686742][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.686888][   T67]  ? 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)
[   41.687010][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.687132][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.687286][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.687406][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.687537][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.687657][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.687777][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.687896][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.688016][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.688140][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.688258][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.688379][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.688510][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.688627][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.688746][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.688863][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.688983][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.689107][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.689232][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.689355][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.689482][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.689604][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.689725][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.689843][   T67]  kthread (kernel/kthread.c:436)
[   41.689932][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.690083][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.690208][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.690328][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.690478][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.690595][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.690713][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.733687][   T67] ------------[ cut here ]------------
| [   41.733845][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.734080][   T67] Modules linked in:
| [   41.734472][   T67] Tainted: [W]=WARN
[   41.734599][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.734814][   T67] Workqueue: netns cleanup_net
[   41.734996][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.735238][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.735837][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.735992][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f77aac0 RCX: 1ff4000000090eed
[   41.736174][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f77ab7c
[   41.736354][   T67] RBP: ff11000010649000 R08: 1fe2200001eef571 R09: ff110000091a8bd0
[   41.736535][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   41.736713][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.736888][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.737093][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.737302][   T67] CR2: 000055d1a14d0d98 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.737486][   T67] PKRU: 55555554
[   41.737574][   T67] Call Trace:
[   41.737662][   T67]  <TASK>
[   41.737724][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.737872][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.738019][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.738143][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.738264][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.738381][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.738518][   T67]  ? 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)
[   41.738641][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.738759][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.738886][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.739004][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.739127][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.739246][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.739367][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.739489][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.739607][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.739724][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.739843][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.739963][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.740081][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.740208][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.740329][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.740451][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.740575][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.740691][   T67]  kthread (kernel/kthread.c:436)
[   41.740781][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.740927][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.741044][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.741174][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.741322][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.741438][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.741558][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.743752][   T67] ------------[ cut here ]------------
| [   41.743870][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.744096][   T67] Modules linked in:
| [   41.744709][   T67] Tainted: [W]=WARN
[   41.744797][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.744943][   T67] Workqueue: netns cleanup_net
[   41.745066][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.745220][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.745648][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.745795][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f77b1c0 RCX: 1ff4000000090eed
[   41.745969][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f77b27c
[   41.746148][   T67] RBP: ff11000008b31000 R08: 1fe2200001eef651 R09: ff110000091a8bd0
[   41.746323][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   41.746503][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.746677][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.746881][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.747030][   T67] CR2: 000055d1a14d0d98 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.747212][   T67] PKRU: 55555554
[   41.747300][   T67] Call Trace:
[   41.747387][   T67]  <TASK>
[   41.747448][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.747606][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.747752][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.747869][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.747990][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.748107][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.748235][   T67]  ? 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)
[   41.748355][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.748478][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.748596][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.748711][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.748831][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.748950][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.749066][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.749185][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.749302][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.749418][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.749543][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.749664][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.749781][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.749901][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.750018][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.750138][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.750255][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.750370][   T67]  kthread (kernel/kthread.c:436)
[   41.750461][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.750617][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.750734][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.750850][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.750996][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.751113][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.751235][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.753378][   T67] ------------[ cut here ]------------
| [   41.753499][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.753725][   T67] Modules linked in:
| [   41.754078][   T67] Tainted: [W]=WARN
[   41.754172][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.754317][   T67] Workqueue: netns cleanup_net
[   41.754442][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.754598][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.755011][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.755161][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f77b8c0 RCX: 1ff4000000090eed
[   41.755331][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f77b97c
[   41.755510][   T67] RBP: ff1100001030c000 R08: 1fe2200001eef731 R09: ff110000091a8bd0
[   41.755682][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   41.755854][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.756029][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.756237][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.756387][   T67] CR2: 000055d1a14d0d98 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.756576][   T67] PKRU: 55555554
[   41.756662][   T67] Call Trace:
[   41.756749][   T67]  <TASK>
[   41.756810][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.756958][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.757104][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.757227][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.757345][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.757461][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.757582][   T67]  ? 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)
[   41.757700][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.757816][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.757933][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.758049][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.758176][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.758298][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.758415][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.758533][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.758650][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.758765][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.758883][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.759004][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.759125][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.759246][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.759364][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.759486][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.759603][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.759719][   T67]  kthread (kernel/kthread.c:436)
[   41.759809][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.759955][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.760079][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.760203][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.760353][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.760478][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.760595][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.762531][   T67] ------------[ cut here ]------------
| [   41.762648][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.762876][   T67] Modules linked in:
| [   41.763232][   T67] Tainted: [W]=WARN
[   41.763321][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.763472][   T67] Workqueue: netns cleanup_net
[   41.763594][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.763747][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.764163][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.764313][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f77bc40 RCX: 1ff4000000090eed
[   41.764507][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f77bcfc
[   41.764679][   T67] RBP: ff1100000e73c000 R08: 1fe2200001eef7a1 R09: ff110000091a8bd0
[   41.764857][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   41.765032][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.765213][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.765421][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.765585][   T67] CR2: 000055d1a14d0d98 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.765759][   T67] PKRU: 55555554
[   41.765845][   T67] Call Trace:
[   41.765934][   T67]  <TASK>
[   41.765994][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.766151][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.766296][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.766413][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.766535][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.766654][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.766771][   T67]  ? 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)
[   41.766890][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.767009][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.767129][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.767246][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.767367][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.767491][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.767608][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.767728][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.767845][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.767964][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.768084][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.768210][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.768326][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.768446][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.768570][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.768685][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.768803][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.768918][   T67]  kthread (kernel/kthread.c:436)
[   41.769006][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.769157][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.769273][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.769390][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.769541][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.769658][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.769774][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.771800][   T67] ------------[ cut here ]------------
| [   41.771919][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.772156][   T67] Modules linked in:
| [   41.772515][   T67] Tainted: [W]=WARN
[   41.772602][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.772748][   T67] Workqueue: netns cleanup_net
[   41.772873][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.773025][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.773442][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.773595][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cda4ac0 RCX: 1ff4000000090eed
[   41.773768][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cda4b7c
[   41.773940][   T67] RBP: ff1100000d97c000 R08: 1fe22000019b4971 R09: ff110000091a8bd0
[   41.774123][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   41.774299][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.774477][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.774681][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.774827][   T67] CR2: 000055d1a14d0d98 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.775001][   T67] PKRU: 55555554
[   41.775089][   T67] Call Trace:
[   41.775180][   T67]  <TASK>
[   41.775240][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.775388][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.775538][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.775655][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.775771][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.775886][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.776006][   T67]  ? 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)
[   41.776128][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.776246][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.776361][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.776479][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.776596][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.776713][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.776829][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.776946][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.777063][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.777183][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.777300][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.777418][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.777540][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.777659][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.777781][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.777897][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.778014][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.778133][   T67]  kthread (kernel/kthread.c:436)
[   41.778221][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.778369][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.778492][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.778608][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.778755][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.778871][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.778988][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.795966][   T67] ------------[ cut here ]------------
| [   41.796105][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.796361][   T67] Modules linked in:
| [   41.796745][   T67] Tainted: [W]=WARN
[   41.796838][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.796991][   T67] Workqueue: netns cleanup_net
[   41.797125][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.797285][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.797726][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   41.797881][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cda51c0 RCX: 1ff4000000090eaf
[   41.798068][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cda527c
[   41.798315][   T67] RBP: ff11000006299000 R08: 1fe22000019b4a51 R09: ff110000091a8bd0
[   41.798505][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   41.798687][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f63c000
[   41.798871][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.799086][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.799298][   T67] CR2: 000055d1a14d0d98 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.799491][   T67] PKRU: 55555554
[   41.799584][   T67] Call Trace:
[   41.799676][   T67]  <TASK>
[   41.799740][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.799864][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.799959][   T67]  netif_close_many (net/core/dev.c:1804)
[   41.800085][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.800266][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.800390][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.800545][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   41.800668][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   41.800859][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   41.801014][   T67]  ? 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)
[   41.801190][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.801344][   T67]  ? 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)
[   41.801473][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.801596][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.801749][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   41.801874][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.801998][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.802173][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.802295][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.802418][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.802551][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.802672][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.802793][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.802916][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.803040][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.803218][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.803342][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.803473][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.803595][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.803717][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.803852][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.803973][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.804108][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.804287][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.804410][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.804539][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.804660][   T67]  kthread (kernel/kthread.c:436)
[   41.804753][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.804905][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.805031][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.805205][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.805359][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.805490][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.805615][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.809190][   T67] ------------[ cut here ]------------
| [   41.809320][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.809579][   T67] Modules linked in:
| [   41.810051][   T67] Tainted: [W]=WARN
[   41.810258][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.810414][   T67] Workqueue: netns cleanup_net
[   41.810549][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.810707][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.811202][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   41.811357][   T67] RAX: 00000000ffffffa6 RBX: ff1100000dd431c0 RCX: 1ff4000000090eaf
[   41.811556][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd4327c
[   41.811740][   T67] RBP: ff1100000f63c000 R08: 1fe2200001ba8651 R09: ff110000091a8bd0
[   41.811922][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   41.812106][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d61000
[   41.812347][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.812569][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.812724][   T67] CR2: 000055d1a14d0d98 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.812908][   T67] PKRU: 55555554
[   41.813001][   T67] Call Trace:
[   41.813092][   T67]  <TASK>
[   41.813209][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.813336][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   41.813469][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.813565][   T67]  netif_close_many (net/core/dev.c:1804)
[   41.813692][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.813813][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.813936][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.814059][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   41.814243][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   41.814399][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   41.814561][   T67]  ? 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)
[   41.814683][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.814835][   T67]  ? 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)
[   41.814969][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.815091][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.815293][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   41.815418][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.815548][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.815673][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.815800][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.815923][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.816046][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.816220][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.816343][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.816471][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.816597][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.816720][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.816844][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.816967][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.817088][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.817262][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.817388][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.817515][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.817641][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.817767][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.817890][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.818014][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.818187][   T67]  kthread (kernel/kthread.c:436)
[   41.818280][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.818431][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.818561][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.818687][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.818842][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.818963][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.819086][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.822010][   T67] ------------[ cut here ]------------
| [   41.822145][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   41.822386][   T67] Modules linked in:
| [   41.822774][   T67] Tainted: [W]=WARN
[   41.822870][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.823025][   T67] Workqueue: netns cleanup_net
[   41.823158][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.823317][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.823761][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   41.823914][   T67] RAX: 00000000ffffffa6 RBX: ff110000108f43c0 RCX: 1ff4000000090eaf
[   41.824096][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108f447c
[   41.824283][   T67] RBP: ff11000008d61000 R08: 1fe220000211e891 R09: ff110000091a8bd0
[   41.824471][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   41.824655][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   41.824839][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   41.825052][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.825211][   T67] CR2: 000055d1a14d0d98 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.825399][   T67] PKRU: 55555554
[   41.825495][   T67] Call Trace:
[   41.825586][   T67]  <TASK>
[   41.825650][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.825773][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   41.825897][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.825991][   T67]  netif_close_many (net/core/dev.c:1804)
[   41.826114][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.826242][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.826363][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.826492][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   41.826616][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   41.826773][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   41.826932][   T67]  ? 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)
[   41.827055][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.827212][   T67]  ? 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)
[   41.827336][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.827459][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.827618][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   41.827743][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.827867][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.827990][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.828112][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.828293][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.828417][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.828546][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.828668][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.828791][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.828915][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.829039][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.829216][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.829343][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.829470][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.829596][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.829725][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.829847][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.829975][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.830102][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.830278][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.830582][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.830710][   T67]  kthread (kernel/kthread.c:436)
[   41.830802][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.830956][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.831078][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.831275][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.831430][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.831561][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.831686][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.839166][   T67] ------------[ cut here ]------------
| [   41.839304][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   41.839550][   T67] Modules linked in:
| [   41.839913][   T67] Tainted: [W]=WARN
[   41.840005][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.840160][   T67] Workqueue: netns cleanup_net
[   41.840285][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.840441][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.840869][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   41.841018][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d068ac0 RCX: 1ff4000000090ed5
[   41.841201][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d068b7c
[   41.841376][   T67] RBP: ff11000006299000 R08: 1fe2200001a0d171 R09: ff110000091a8bd0
[   41.841561][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   41.841739][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.841919][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   41.842131][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.842290][   T67] CR2: 00007fe1d96a6574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   41.842474][   T67] PKRU: 55555554
[   41.842564][   T67] Call Trace:
[   41.842652][   T67]  <TASK>
[   41.842714][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.842869][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.843017][   T67]  ? 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)
[   41.843142][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.843267][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.843425][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.843552][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.843673][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.843796][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.843916][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.844038][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.844177][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.844332][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.844453][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.844586][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.844706][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.844828][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.844949][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.845072][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.845199][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.845325][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.845443][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.845572][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.845695][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.845816][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.845964][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.846149][   T67]  kthread (kernel/kthread.c:436)
[   41.846282][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.846510][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.846687][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.846831][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.846984][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.847104][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.847236][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.850637][   T67] ------------[ cut here ]------------
| [   41.850766][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   41.851006][   T67] Modules linked in:
| [   41.851388][   T67] Tainted: [W]=WARN
[   41.851491][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.851641][   T67] Workqueue: netns cleanup_net
[   41.851766][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.851922][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.852358][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   41.852519][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d068740 RCX: 1ff4000000090ed5
[   41.852696][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0687fc
[   41.852873][   T67] RBP: ff1100000f63c000 R08: 1fe2200001a0d101 R09: ff110000091a8bd0
[   41.853094][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   41.853449][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.853735][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   41.854046][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.854298][   T67] CR2: 00007fe1d96a6574 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   41.854489][   T67] PKRU: 55555554
[   41.854578][   T67] Call Trace:
[   41.854717][   T67]  <TASK>
[   41.854780][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.854934][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.855081][   T67]  ? 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)
[   41.855250][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.855368][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.855528][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.855647][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.855768][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.855887][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.856008][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.856174][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.856294][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.856413][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.856536][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.856655][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.856774][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.856890][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.857013][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.857180][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.857300][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.857422][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.857546][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.857668][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.857788][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.857907][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.858027][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.858195][   T67]  kthread (kernel/kthread.c:436)
[   41.858287][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.858438][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.858562][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.858681][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.858830][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.858949][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.859068][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.862439][   T67] ------------[ cut here ]------------
| [   41.862612][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   41.862900][   T67] Modules linked in:
| [   41.863382][   T67] Tainted: [W]=WARN
[   41.863528][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.863729][   T67] Workqueue: netns cleanup_net
[   41.863935][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.864153][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.864628][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   41.864827][   T67] RAX: 00000000ffffffa6 RBX: ff11000005090040 RCX: 1ff4000000090ed5
[   41.865053][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050900fc
[   41.865292][   T67] RBP: ff11000008d61000 R08: 1fe2200000a12021 R09: ff110000091a8bd0
[   41.865524][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   41.865750][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.865981][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   41.866255][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.866453][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.866689][   T67] PKRU: 55555554
[   41.866827][   T67] Call Trace:
[   41.866966][   T67]  <TASK>
[   41.867075][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.867292][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.867494][   T67]  ? 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)
[   41.867665][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.867859][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   41.868061][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.868248][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.868419][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.868607][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.868780][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.868947][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   41.869130][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.869297][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.869476][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   41.869645][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.869819][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.869985][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.870169][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.870336][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.870514][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.870692][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.870861][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.871031][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.871215][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.871437][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.871673][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.871906][   T67]  kthread (kernel/kthread.c:436)
[   41.872145][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.872420][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.872623][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.872792][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.872999][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.873185][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.873353][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.922288][   T67] ------------[ cut here ]------------
| [   41.922472][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   41.922756][   T67] Modules linked in:
| [   41.923230][   T67] Tainted: [W]=WARN
[   41.923369][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.923570][   T67] Workqueue: netns cleanup_net
[   41.923742][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.923943][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.924422][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.924639][   T67] RAX: 00000000ffffffa6 RBX: ff11000005091380 RCX: 1ff4000000090eed
[   41.924864][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000509143c
[   41.925090][   T67] RBP: ff11000010194000 R08: 1fe2200000a12289 R09: ff110000091a8bd0
[   41.925328][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   41.925560][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.925787][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   41.926039][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.926247][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.926478][   T67] PKRU: 55555554
[   41.926613][   T67] Call Trace:
[   41.926750][   T67]  <TASK>
[   41.926858][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.927056][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.927260][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.927426][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.927615][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.927781][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.927976][   T67]  ? 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)
[   41.928161][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.928329][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.928499][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.928669][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.928837][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.929002][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.929184][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.929354][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.929530][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.929699][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.929864][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.930034][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.930213][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.930381][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.930566][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.930733][   T67]  kthread (kernel/kthread.c:436)
[   41.930870][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.931064][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.931242][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.931410][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.931612][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.931816][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.931983][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.934655][   T67] ------------[ cut here ]------------
| [   41.934826][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   41.935103][   T67] Modules linked in:
| [   41.935579][   T67] Tainted: [W]=WARN
[   41.935715][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.935912][   T67] Workqueue: netns cleanup_net
[   41.936083][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.936293][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.936764][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.936964][   T67] RAX: 00000000ffffffa6 RBX: ff110000050911c0 RCX: 1ff4000000090eed
[   41.937198][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000509127c
[   41.937422][   T67] RBP: ff1100000f559000 R08: 1fe2200000a12251 R09: ff110000091a8bd0
[   41.937650][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   41.937871][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.938094][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   41.938362][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.938575][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.938831][   T67] PKRU: 55555554
[   41.938966][   T67] Call Trace:
[   41.939101][   T67]  <TASK>
[   41.939222][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.939422][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.939624][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.939790][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.939958][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.940135][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.940307][   T67]  ? 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)
[   41.940482][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.940651][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.940813][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.940983][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.941162][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.941327][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.941508][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.941673][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.941841][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.942013][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.942191][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.942362][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.942540][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.942710][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.942906][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.943073][   T67]  kthread (kernel/kthread.c:436)
[   41.943222][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.943416][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.943592][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.943759][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.943958][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.944134][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.944330][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.946936][   T67] ------------[ cut here ]------------
| [   41.947143][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   41.947418][   T67] Modules linked in:
| [   41.947887][   T67] Tainted: [W]=WARN
[   41.948053][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.948273][   T67] Workqueue: netns cleanup_net
[   41.948443][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.948654][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.949131][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.949327][   T67] RAX: 00000000ffffffa6 RBX: ff110000092598c0 RCX: 1ff4000000090eed
[   41.949555][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925997c
[   41.949776][   T67] RBP: ff1100000e741000 R08: 1fe220000124b331 R09: ff110000091a8bd0
[   41.950003][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   41.950238][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.950479][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   41.950735][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.950933][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.951168][   T67] PKRU: 55555554
[   41.951303][   T67] Call Trace:
[   41.951437][   T67]  <TASK>
[   41.951553][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.951752][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.951946][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.952132][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.952300][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.952473][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.952641][   T67]  ? 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)
[   41.952809][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.952976][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.953153][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.953322][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.953497][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.953663][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.953829][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.954066][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.954248][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.954418][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.954664][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.954965][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.955205][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.955377][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.955766][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.955934][   T67]  kthread (kernel/kthread.c:436)
[   41.956070][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.956279][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.956527][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.956699][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.956893][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.957061][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.957313][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.960726][   T67] ------------[ cut here ]------------
| [   41.960891][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   41.961315][   T67] Modules linked in:
| [   41.961779][   T67] Tainted: [W]=WARN
[   41.961914][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.962109][   T67] Workqueue: netns cleanup_net
[   41.962295][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.962504][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.962971][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.963183][   T67] RAX: 00000000ffffffa6 RBX: ff11000009259c40 RCX: 1ff4000000090eed
[   41.963405][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009259cfc
[   41.963716][   T67] RBP: ff1100000e779000 R08: 1fe220000124b3a1 R09: ff110000091a8bd0
[   41.963937][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   41.964175][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.964401][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   41.964667][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.964862][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.965086][   T67] PKRU: 55555554
[   41.965230][   T67] Call Trace:
[   41.965367][   T67]  <TASK>
[   41.965510][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.965714][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.966081][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.966257][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.966424][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.966601][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.966768][   T67]  ? 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)
[   41.966936][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.967106][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.967543][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.967717][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.967884][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.968046][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.968225][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.968462][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.968645][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.968818][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.968986][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.969171][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.969339][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.969582][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.969749][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.969916][   T67]  kthread (kernel/kthread.c:436)
[   41.970050][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.970254][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.970420][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.970598][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.970794][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.970987][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.971168][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.974251][   T67] ------------[ cut here ]------------
| [   41.974413][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   41.974704][   T67] Modules linked in:
| [   41.975746][   T67] Tainted: [W]=WARN
[   41.975927][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.976185][   T67] Workqueue: netns cleanup_net
[   41.976409][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.976668][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.977191][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   41.977435][   T67] RAX: 00000000ffffffa6 RBX: ff11000009258ac0 RCX: 1ff4000000090eed
[   41.977707][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009258b7c
[   41.977985][   T67] RBP: ff110000078f1000 R08: 1fe220000124b171 R09: ff110000091a8bd0
[   41.978267][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   41.978542][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.978818][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   41.979175][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.979414][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   41.979699][   T67] PKRU: 55555554
[   41.979879][   T67] Call Trace:
[   41.980060][   T67]  <TASK>
[   41.980229][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.980507][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.980793][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.981063][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.981330][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.981588][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.981847][   T67]  ? 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)
[   41.982105][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.982373][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   41.982629][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.982879][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   41.983094][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.983317][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.983540][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.983826][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.984148][   T67]  process_one_work (kernel/workqueue.c:3314)
[   41.984455][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.984765][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.985051][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.985401][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.985715][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   41.986014][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.986290][   T67]  kthread (kernel/kthread.c:436)
[   41.986537][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.986786][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.986998][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.987225][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.987475][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.987688][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.987900][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   42.008766][   T67] ------------[ cut here ]------------
| [   42.008909][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   42.009163][   T67] Modules linked in:
| [   42.009551][   T67] Tainted: [W]=WARN
[   42.009647][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.009805][   T67] Workqueue: netns cleanup_net
[   42.009941][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.010103][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.010560][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   42.010717][   T67] RAX: 00000000ffffffa6 RBX: ff11000009259700 RCX: 1ff4000000090eaf
[   42.010910][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092597bc
[   42.011093][   T67] RBP: ff1100000a1f9000 R08: 1fe220000124b2f9 R09: ff110000091a8bd0
[   42.011283][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   42.011471][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   42.011665][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   42.011882][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.012039][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   42.012232][   T67] PKRU: 55555554
[   42.012325][   T67] Call Trace:
[   42.012418][   T67]  <TASK>
[   42.012492][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.012619][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.012714][   T67]  netif_close_many (net/core/dev.c:1804)
[   42.012837][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.012960][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.013083][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.013213][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   42.013341][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   42.013504][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   42.013658][   T67]  ? 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)
[   42.013782][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.013906][   T67]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   42.014046][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.014207][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   42.014335][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   42.014463][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   42.014593][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   42.014721][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   42.014848][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   42.014975][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   42.015099][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.015234][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   42.015361][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   42.015489][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   42.015615][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.015737][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.015863][   T67]  process_one_work (kernel/workqueue.c:3314)
[   42.015990][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   42.016113][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.016249][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   42.016375][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   42.016503][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   42.016628][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   42.016751][   T67]  kthread (kernel/kthread.c:436)
[   42.016845][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   42.016998][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.017127][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   42.017254][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   42.017408][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   42.017536][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.017660][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   42.020113][   T67] ------------[ cut here ]------------
| [   42.020781][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   42.021017][   T67] Modules linked in:
| [   42.021388][   T67] Tainted: [W]=WARN
[   42.021485][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.021640][   T67] Workqueue: netns cleanup_net
[   42.021764][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.021919][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.022346][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   42.022504][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d88aac0 RCX: 1ff4000000090ed5
[   42.022680][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88ab7c
[   42.022856][   T67] RBP: ff1100000a1f9000 R08: 1fe2200001b11571 R09: ff110000091a8bd0
[   42.023036][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   42.023216][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   42.023392][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   42.023607][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.023756][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   42.023993][   T67] PKRU: 55555554
[   42.024082][   T67] Call Trace:
[   42.024180][   T67]  <TASK>
[   42.024242][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   42.024395][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.024552][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   42.024677][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   42.024798][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   42.024918][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   42.025039][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   42.025164][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   42.025285][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   42.025405][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.025535][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   42.025656][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   42.025774][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   42.025895][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.026013][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.026136][   T67]  process_one_work (kernel/workqueue.c:3314)
[   42.026259][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   42.026378][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.026509][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   42.026630][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   42.026755][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   42.026877][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   42.026996][   T67]  kthread (kernel/kthread.c:436)
[   42.027087][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   42.027241][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.027361][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   42.027489][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   42.027637][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   42.027755][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.027875][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   42.306370][  T764] ------------[ cut here ]------------
| [   42.306553][  T764] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/764
| [   42.306787][  T764] Modules linked in:
| [   42.307165][  T764] Tainted: [W]=WARN
[   42.307265][  T764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.307428][  T764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.307610][  T764] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.308075][  T764] RSP: 0018:ffa0000001cf7a80 EFLAGS: 00010286
[   42.308248][  T764] RAX: 00000000ffffffa6 RBX: ff1100000dd2e3c0 RCX: 1ff400000039ef16
[   42.308444][  T764] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2e47c
[   42.308642][  T764] RBP: ff11000010459000 R08: 1fe2200001ba5c91 R09: ff11000004edd180
[   42.308837][  T764] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   42.309033][  T764] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010459000
[   42.309236][  T764] FS:  00007f90e9178840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   42.309469][  T764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.309633][  T764] CR2: 00007f90e93827d0 CR3: 000000000a8d7001 CR4: 0000000000771ef0
[   42.309832][  T764] PKRU: 55555554
[   42.309931][  T764] Call Trace:
[   42.310031][  T764]  <TASK>
[   42.310100][  T764]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.310238][  T764]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.310369][  T764]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.310472][  T764]  register_netdevice (net/core/dev.c:11488)
[   42.310605][  T764]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.310769][  T764]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.310901][  T764]  register_netdev (net/core/dev.c:11552)
[   42.311032][  T764]  loopback_net_init (drivers/net/loopback.c:218)
[   42.311167][  T764]  ops_init (net/core/net_namespace.c:137)
[   42.311270][  T764]  setup_net (net/core/net_namespace.c:446)
[   42.311369][  T764]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.311502][  T764]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.311638][  T764]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.311770][  T764]  copy_net_ns (net/core/net_namespace.c:579)
[   42.311902][  T764]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.312036][  T764]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.312174][  T764]  ksys_unshare (kernel/fork.c:3243)
[   42.312304][  T764]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.312436][  T764]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.312571][  T764]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.312702][  T764]  ? __ia32_sys_open (fs/open.c:1374)
[   42.312835][  T764]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.312968][  T764]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.313099][  T764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.313235][  T764]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.313366][  T764]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.313499][  T764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.313664][  T764] RIP: 0033:0x7f90e943abcb
[   42.313804][  T764] 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
[   42.314272][  T764] RSP: 002b:00007ffe60b51168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   42.314471][  T764] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90e943abcb
[   42.314664][  T764] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.314856][  T764] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.315050][  T764] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe60b53390
[   42.315249][  T764] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe60b5388a
| [   42.319462][  T764] ------------[ cut here ]------------
| [   42.319601][  T764] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/764
| [   42.319828][  T764] Modules linked in:
| [   42.320192][  T764] Tainted: [W]=WARN
[   42.320290][  T764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.320451][  T764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.320625][  T764] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.321084][  T764] RSP: 0018:ffa0000001cf7918 EFLAGS: 00010286
[   42.321253][  T764] RAX: 00000000ffffffa6 RBX: ff110000029ba900 RCX: 1ff400000039eee9
[   42.321446][  T764] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029ba9bc
[   42.321647][  T764] RBP: ff11000008d7c000 R08: 1fe2200000537539 R09: ff11000004edd180
[   42.321840][  T764] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   42.322032][  T764] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d7c000
[   42.322229][  T764] FS:  00007f90e9178840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   42.322457][  T764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.322625][  T764] CR2: 00007f90e93827d0 CR3: 000000000a8d7001 CR4: 0000000000771ef0
[   42.322817][  T764] PKRU: 55555554
[   42.322914][  T764] Call Trace:
[   42.323012][  T764]  <TASK>
[   42.323078][  T764]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.323213][  T764]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.323343][  T764]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.323441][  T764]  register_netdevice (net/core/dev.c:11488)
[   42.323577][  T764]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.323740][  T764]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.323872][  T764]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   42.324002][  T764]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   42.324138][  T764]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   42.324270][  T764]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   42.324403][  T764]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   42.324539][  T764]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   42.324670][  T764]  ops_init (net/core/net_namespace.c:137)
[   42.324770][  T764]  setup_net (net/core/net_namespace.c:446)
[   42.324868][  T764]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.324998][  T764]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.325131][  T764]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.325264][  T764]  copy_net_ns (net/core/net_namespace.c:579)
[   42.325394][  T764]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.325531][  T764]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.325662][  T764]  ksys_unshare (kernel/fork.c:3243)
[   42.325792][  T764]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.325921][  T764]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.326053][  T764]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.326188][  T764]  ? __ia32_sys_open (fs/open.c:1374)
[   42.326321][  T764]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.326450][  T764]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.326584][  T764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.326714][  T764]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.326843][  T764]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.326972][  T764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.327140][  T764] RIP: 0033:0x7f90e943abcb
[   42.327274][  T764] 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
[   42.327736][  T764] RSP: 002b:00007ffe60b51168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   42.327931][  T764] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90e943abcb
[   42.328127][  T764] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.328318][  T764] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.328513][  T764] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe60b53390
[   42.328708][  T764] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe60b5388a
| [   42.332493][  T764] ------------[ cut here ]------------
| [   42.332630][  T764] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/764
| [   42.332858][  T764] Modules linked in:
| [   42.333263][  T764] Tainted: [W]=WARN
[   42.333362][  T764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.333530][  T764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.333701][  T764] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.334189][  T764] RSP: 0018:ffa0000001cf78f8 EFLAGS: 00010286
[   42.334355][  T764] RAX: 00000000ffffffa6 RBX: ff1100000979d000 RCX: 1ff400000039eee5
[   42.334557][  T764] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d0bc
[   42.334754][  T764] RBP: ff1100000f271000 R08: 1fe22000012f3a19 R09: ff11000004edd180
[   42.334950][  T764] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   42.335151][  T764] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f271000
[   42.335350][  T764] FS:  00007f90e9178840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   42.335586][  T764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.335752][  T764] CR2: 00007f90e93827d0 CR3: 000000000a8d7001 CR4: 0000000000771ef0
[   42.335950][  T764] PKRU: 55555554
[   42.336047][  T764] Call Trace:
[   42.336149][  T764]  <TASK>
[   42.336217][  T764]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.336350][  T764]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.336488][  T764]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.336587][  T764]  register_netdevice (net/core/dev.c:11488)
[   42.336720][  T764]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.336884][  T764]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.337018][  T764]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   42.337156][  T764]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   42.337290][  T764]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   42.337422][  T764]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   42.337559][  T764]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   42.337692][  T764]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   42.337824][  T764]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.337958][  T764]  vti_init_net (net/ipv4/ip_vti.c:517)
[   42.338090][  T764]  ops_init (net/core/net_namespace.c:137)
[   42.338195][  T764]  setup_net (net/core/net_namespace.c:446)
[   42.338295][  T764]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.338428][  T764]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.338563][  T764]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.338697][  T764]  copy_net_ns (net/core/net_namespace.c:579)
[   42.338829][  T764]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.338962][  T764]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.339093][  T764]  ksys_unshare (kernel/fork.c:3243)
[   42.339229][  T764]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.339361][  T764]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.339496][  T764]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.339628][  T764]  ? __ia32_sys_open (fs/open.c:1374)
[   42.339759][  T764]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.339891][  T764]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.340021][  T764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.340154][  T764]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.340289][  T764]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.340420][  T764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.340586][  T764] RIP: 0033:0x7f90e943abcb
[   42.340722][  T764] 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
[   42.341191][  T764] RSP: 002b:00007ffe60b51168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   42.341393][  T764] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90e943abcb
[   42.341593][  T764] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.341788][  T764] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.341982][  T764] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe60b53390
[   42.342183][  T764] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe60b5388a
| [   42.346515][  T764] ------------[ cut here ]------------
| [   42.346653][  T764] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/764
| [   42.346877][  T764] Modules linked in:
| [   42.347242][  T764] Tainted: [W]=WARN
[   42.347341][  T764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.347509][  T764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.347678][  T764] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.348139][  T764] RSP: 0018:ffa0000001cf7a78 EFLAGS: 00010286
[   42.348304][  T764] RAX: 00000000ffffffa6 RBX: ff1100000979dc40 RCX: 1ff400000039ef15
[   42.348502][  T764] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979dcfc
[   42.348693][  T764] RBP: ff11000010309000 R08: 1fe22000012f3ba1 R09: ff11000004edd180
[   42.348886][  T764] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   42.349081][  T764] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010309000
[   42.349282][  T764] FS:  00007f90e9178840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   42.349510][  T764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.349671][  T764] CR2: 00007f90e93827d0 CR3: 000000000a8d7001 CR4: 0000000000771ef0
[   42.349867][  T764] PKRU: 55555554
[   42.349964][  T764] Call Trace:
[   42.350061][  T764]  <TASK>
[   42.350133][  T764]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.350265][  T764]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.350394][  T764]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.350497][  T764]  register_netdevice (net/core/dev.c:11488)
[   42.350628][  T764]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.350788][  T764]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.350922][  T764]  register_netdev (net/core/dev.c:11552)
[   42.351051][  T764]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   42.351185][  T764]  ops_init (net/core/net_namespace.c:137)
[   42.351285][  T764]  setup_net (net/core/net_namespace.c:446)
[   42.351383][  T764]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.351517][  T764]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.351647][  T764]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.351780][  T764]  copy_net_ns (net/core/net_namespace.c:579)
[   42.351999][  T764]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.352140][  T764]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.352270][  T764]  ksys_unshare (kernel/fork.c:3243)
[   42.352399][  T764]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.352620][  T764]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.352749][  T764]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.352879][  T764]  ? __ia32_sys_open (fs/open.c:1374)
[   42.353010][  T764]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.353142][  T764]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.353270][  T764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.353400][  T764]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.353531][  T764]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.353744][  T764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.353904][  T764] RIP: 0033:0x7f90e943abcb
[   42.354041][  T764] 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
[   42.354605][  T764] RSP: 002b:00007ffe60b51168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   42.354798][  T764] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90e943abcb
[   42.355079][  T764] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.355277][  T764] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.355474][  T764] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe60b53390
[   42.355754][  T764] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe60b5388a
| [   42.360464][  T764] ------------[ cut here ]------------
| [   42.360603][  T764] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/764
| [   42.360913][  T764] Modules linked in:
| [   42.361370][  T764] Tainted: [W]=WARN
[   42.361472][  T764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.361634][  T764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.361803][  T764] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.362362][  T764] RSP: 0018:ffa0000001cf7a68 EFLAGS: 00010286
[   42.362616][  T764] RAX: 00000000ffffffa6 RBX: ff110000029bba80 RCX: 1ff400000039ef13
[   42.362808][  T764] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bbb3c
[   42.363004][  T764] RBP: ff11000010644000 R08: 1fe2200000537769 R09: ff11000004edd180
[   42.363292][  T764] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   42.363490][  T764] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010644000
[   42.363684][  T764] FS:  00007f90e9178840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   42.363999][  T764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.364171][  T764] CR2: 00007f90e93827d0 CR3: 000000000a8d7001 CR4: 0000000000771ef0
[   42.364454][  T764] PKRU: 55555554
[   42.364554][  T764] Call Trace:
[   42.364651][  T764]  <TASK>
[   42.364718][  T764]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.364847][  T764]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.365063][  T764]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.365171][  T764]  register_netdevice (net/core/dev.c:11488)
[   42.365303][  T764]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.365471][  T764]  register_netdev (net/core/dev.c:11552)
[   42.365688][  T764]  sit_init_net (net/ipv6/sit.c:1860)
[   42.365819][  T764]  ops_init (net/core/net_namespace.c:137)
[   42.365918][  T764]  setup_net (net/core/net_namespace.c:446)
[   42.366017][  T764]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.366152][  T764]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.366282][  T764]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.366413][  T764]  copy_net_ns (net/core/net_namespace.c:579)
[   42.366551][  T764]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.366684][  T764]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.366899][  T764]  ksys_unshare (kernel/fork.c:3243)
[   42.367029][  T764]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.367164][  T764]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.367294][  T764]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.367517][  T764]  ? __ia32_sys_open (fs/open.c:1374)
[   42.367650][  T764]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.367778][  T764]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.367907][  T764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.368124][  T764]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.368254][  T764]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.368385][  T764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.368638][  T764] RIP: 0033:0x7f90e943abcb
[   42.368774][  T764] 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
[   42.369239][  T764] RSP: 002b:00007ffe60b51168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   42.369433][  T764] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90e943abcb
[   42.369629][  T764] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.369909][  T764] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.370101][  T764] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe60b53390
[   42.370386][  T764] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe60b5388a
| [   42.378001][  T764] ------------[ cut here ]------------
| [   42.378198][  T764] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/764
| [   42.378429][  T764] Modules linked in:
| [   42.378799][  T764] Tainted: [W]=WARN
[   42.378898][  T764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.379060][  T764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.379289][  T764] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.379757][  T764] RSP: 0018:ffa0000001cf7a78 EFLAGS: 00010286
[   42.379923][  T764] RAX: 00000000ffffffa6 RBX: ff1100000b6ff000 RCX: 1ff400000039ef15
[   42.380176][  T764] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6ff0bc
[   42.380372][  T764] RBP: ff110000100b1000 R08: 1fe22000016dfe19 R09: ff11000004edd180
[   42.380572][  T764] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   42.380765][  T764] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100b1000
[   42.380964][  T764] FS:  00007f90e9178840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   42.381255][  T764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.381420][  T764] CR2: 00007f90e93827d0 CR3: 000000000a8d7001 CR4: 0000000000771ef0
[   42.381622][  T764] PKRU: 55555554
[   42.381720][  T764] Call Trace:
[   42.381819][  T764]  <TASK>
[   42.381887][  T764]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.382020][  T764]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.382206][  T764]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.382309][  T764]  register_netdevice (net/core/dev.c:11488)
[   42.382441][  T764]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.382605][  T764]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.382738][  T764]  register_netdev (net/core/dev.c:11552)
[   42.382871][  T764]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   42.383003][  T764]  ops_init (net/core/net_namespace.c:137)
[   42.383104][  T764]  setup_net (net/core/net_namespace.c:446)
[   42.383261][  T764]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.383392][  T764]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.383527][  T764]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.383660][  T764]  copy_net_ns (net/core/net_namespace.c:579)
[   42.383794][  T764]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.383936][  T764]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.384066][  T764]  ksys_unshare (kernel/fork.c:3243)
[   42.384255][  T764]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.384385][  T764]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.384520][  T764]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.384651][  T764]  ? __ia32_sys_open (fs/open.c:1374)
[   42.384785][  T764]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.384919][  T764]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.385051][  T764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.385239][  T764]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.385369][  T764]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.385504][  T764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.385666][  T764] RIP: 0033:0x7f90e943abcb
[   42.385802][  T764] 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
[   42.386335][  T764] RSP: 002b:00007ffe60b51168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   42.386541][  T764] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90e943abcb
[   42.386738][  T764] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.386933][  T764] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.387181][  T764] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe60b53390
[   42.387376][  T764] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe60b5388a
| [   42.428648][  T765] ------------[ cut here ]------------
| [   42.428869][  T765] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/765
| [   42.429134][  T765] Modules linked in:
| [   42.429676][  T765] Tainted: [W]=WARN
[   42.429829][  T765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.430042][  T765] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.430313][  T765] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.431010][  T765] RSP: 0018:ffa0000001cf7020 EFLAGS: 00010286
[   42.431201][  T765] RAX: 00000000ffffffa6 RBX: ff110000053f0040 RCX: 1ff400000039edca
[   42.431395][  T765] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f00fc
[   42.431599][  T765] RBP: ff11000010459000 R08: 1fe2200000a7e021 R09: ff1100000f375158
[   42.431793][  T765] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   42.431987][  T765] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   42.432187][  T765] FS:  00007f75a6836840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   42.432416][  T765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.432587][  T765] CR2: 0000000025bd2988 CR3: 000000001097f004 CR4: 0000000000771ef0
[   42.432786][  T765] PKRU: 55555554
[   42.432883][  T765] Call Trace:
[   42.432982][  T765]  <TASK>
[   42.433050][  T765]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.433191][  T765]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.433291][  T765]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   42.433421][  T765]  __dev_notify_flags (net/core/dev.c:9787)
[   42.433562][  T765]  ? netif_change_name (net/core/dev.c:1495)
[   42.433692][  T765]  ? __dev_change_flags (net/core/dev.c:9752)
[   42.433821][  T765]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   42.433951][  T765]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.434082][  T765]  ? 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))
[   42.434220][  T765]  netif_change_flags (net/core/dev.c:9820)
[   42.434350][  T765]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.434483][  T765]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   42.434615][  T765]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   42.434744][  T765]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   42.434906][  T765]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.435037][  T765]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.435171][  T765]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.435300][  T765]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.435430][  T765]  ? __kernel_text_address (kernel/extable.c:79)
[   42.435565][  T765]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.435696][  T765]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.435825][  T765]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   42.435958][  T765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.436087][  T765]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.436220][  T765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.436349][  T765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.436481][  T765]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   42.436635][  T765]  ? __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)
[   42.436766][  T765]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   42.436896][  T765]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   42.437029][  T765]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   42.437165][  T765]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   42.437298][  T765]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   42.437428][  T765]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.437562][  T765]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.437694][  T765]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.437822][  T765]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.437953][  T765]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.438087][  T765]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.438223][  T765]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.438351][  T765]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.438483][  T765]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.438613][  T765]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.438743][  T765]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.438872][  T765]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.439007][  T765]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.439140][  T765]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.439270][  T765]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.439398][  T765]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.439533][  T765]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.439663][  T765]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.439792][  T765]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.439925][  T765]  ? 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))
[   42.440057][  T765]  ? 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))
[   42.440194][  T765]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.440325][  T765]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.440453][  T765]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.440589][  T765]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.440720][  T765]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.440850][  T765]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.440986][  T765]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.441122][  T765]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.441252][  T765]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.441415][  T765]  ? move_addr_to_kernel (net/socket.c:258)
[   42.441552][  T765]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.441682][  T765]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.441813][  T765]  ___sys_sendmsg (net/socket.c:2752)
[   42.441948][  T765]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.442109][  T765]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.442258][  T765]  __sys_sendmsg (net/socket.c:2784)
[   42.442388][  T765]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.442527][  T765]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.442694][  T765]  ? 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)
[   42.442824][  T765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.442958][  T765]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.443088][  T765]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.443234][  T765]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.443363][  T765]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.443533][  T765] RIP: 0033:0x7f75a6a7008e
[   42.443670][  T765] 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
[   42.444135][  T765] RSP: 002b:00007ffd5a2bced0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.444423][  T765] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f75a6a7008e
[   42.444720][  T765] RDX: 0000000000000000 RSI: 00007ffd5a2bcf80 RDI: 0000000000000005
[   42.445010][  T765] RBP: 00007ffd5a2bcee0 R08: 0000000000000000 R09: 0000000000000000
[   42.445231][  T765] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e322
[   42.445425][  T765] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a2bd650
| [   42.643449][  T773] ------------[ cut here ]------------
| [   42.643644][  T773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/773
| [   42.643884][  T773] Modules linked in:
| [   42.644270][  T773] Tainted: [W]=WARN
[   42.644371][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.644544][  T773] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.644717][  T773] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.645191][  T773] RSP: 0018:ffa0000001d67a80 EFLAGS: 00010286
[   42.645360][  T773] RAX: 00000000ffffffa6 RBX: ff1100000da34900 RCX: 1ff40000003acf16
[   42.645562][  T773] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da349bc
[   42.645757][  T773] RBP: ff1100000f341000 R08: 1fe2200001b46939 R09: ff1100000e798b80
[   42.645952][  T773] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   42.646154][  T773] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f341000
[   42.646354][  T773] FS:  00007f0a43e8c840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   42.646599][  T773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.646766][  T773] CR2: 00007f0a4408dc20 CR3: 0000000010707001 CR4: 0000000000771ef0
[   42.646964][  T773] PKRU: 55555554
[   42.647064][  T773] Call Trace:
[   42.647170][  T773]  <TASK>
[   42.647239][  T773]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.647373][  T773]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.647511][  T773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.647611][  T773]  register_netdevice (net/core/dev.c:11488)
[   42.647744][  T773]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.647905][  T773]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.648040][  T773]  register_netdev (net/core/dev.c:11552)
[   42.648175][  T773]  loopback_net_init (drivers/net/loopback.c:218)
[   42.648307][  T773]  ops_init (net/core/net_namespace.c:137)
[   42.648407][  T773]  setup_net (net/core/net_namespace.c:446)
[   42.648512][  T773]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.648642][  T773]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.648773][  T773]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.648907][  T773]  copy_net_ns (net/core/net_namespace.c:579)
[   42.649041][  T773]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.649180][  T773]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.649312][  T773]  ksys_unshare (kernel/fork.c:3243)
[   42.649443][  T773]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.649581][  T773]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.649712][  T773]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.649849][  T773]  ? __ia32_sys_open (fs/open.c:1374)
[   42.649983][  T773]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.650114][  T773]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.650251][  T773]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.650381][  T773]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.650516][  T773]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.650645][  T773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.650807][  T773] RIP: 0033:0x7f0a4414ebcb
[   42.650948][  T773] 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
[   42.651421][  T773] RSP: 002b:00007ffcadd05ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.651624][  T773] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0a4414ebcb
[   42.651826][  T773] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.652023][  T773] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.652226][  T773] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcadd08110
[   42.652422][  T773] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcadd0988a
| [   42.656688][  T773] ------------[ cut here ]------------
| [   42.656829][  T773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/773
| [   42.657058][  T773] Modules linked in:
| [   42.657432][  T773] Tainted: [W]=WARN
[   42.657538][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.657702][  T773] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.657874][  T773] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.658349][  T773] RSP: 0018:ffa0000001d67918 EFLAGS: 00010286
[   42.658519][  T773] RAX: 00000000ffffffa6 RBX: ff110000091bdc40 RCX: 1ff40000003acee9
[   42.658712][  T773] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bdcfc
[   42.658905][  T773] RBP: ff11000008261000 R08: 1fe2200001237ba1 R09: ff1100000e798b80
[   42.659100][  T773] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   42.659299][  T773] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008261000
[   42.659502][  T773] FS:  00007f0a43e8c840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   42.659732][  T773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.659898][  T773] CR2: 00007f0a4408dc20 CR3: 0000000010707001 CR4: 0000000000771ef0
[   42.660094][  T773] PKRU: 55555554
[   42.660195][  T773] Call Trace:
[   42.660292][  T773]  <TASK>
[   42.660361][  T773]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.660500][  T773]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.660632][  T773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.660733][  T773]  register_netdevice (net/core/dev.c:11488)
[   42.660865][  T773]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.661027][  T773]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.661163][  T773]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   42.661295][  T773]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   42.661424][  T773]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   42.661559][  T773]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   42.661691][  T773]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   42.661822][  T773]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   42.661954][  T773]  ops_init (net/core/net_namespace.c:137)
[   42.662053][  T773]  setup_net (net/core/net_namespace.c:446)
[   42.662155][  T773]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.662284][  T773]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.662414][  T773]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.662558][  T773]  copy_net_ns (net/core/net_namespace.c:579)
[   42.662688][  T773]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.662820][  T773]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.662951][  T773]  ksys_unshare (kernel/fork.c:3243)
[   42.663079][  T773]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.663218][  T773]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.663348][  T773]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.663485][  T773]  ? __ia32_sys_open (fs/open.c:1374)
[   42.663616][  T773]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.663744][  T773]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.663873][  T773]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.664002][  T773]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.664137][  T773]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.664268][  T773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.664428][  T773] RIP: 0033:0x7f0a4414ebcb
[   42.664569][  T773] 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
[   42.665026][  T773] RSP: 002b:00007ffcadd05ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.665226][  T773] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0a4414ebcb
[   42.665421][  T773] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.665620][  T773] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.665813][  T773] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcadd08110
[   42.666007][  T773] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcadd0988a
| [   42.669970][  T773] ------------[ cut here ]------------
| [   42.670113][  T773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/773
| [   42.670352][  T773] Modules linked in:
| [   42.670742][  T773] Tainted: [W]=WARN
[   42.670843][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.671008][  T773] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.671182][  T773] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.671658][  T773] RSP: 0018:ffa0000001d678f8 EFLAGS: 00010286
[   42.671824][  T773] RAX: 00000000ffffffa6 RBX: ff1100000de06580 RCX: 1ff40000003acee5
[   42.672018][  T773] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de0663c
[   42.672222][  T773] RBP: ff110000109a1000 R08: 1fe2200001bc0cc9 R09: ff1100000e798b80
[   42.672419][  T773] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   42.672624][  T773] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000109a1000
[   42.672822][  T773] FS:  00007f0a43e8c840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   42.673058][  T773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.673240][  T773] CR2: 00007f0a4408dc20 CR3: 0000000010707001 CR4: 0000000000771ef0
[   42.673437][  T773] PKRU: 55555554
[   42.673542][  T773] Call Trace:
[   42.673641][  T773]  <TASK>
[   42.673709][  T773]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.673840][  T773]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.673974][  T773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.674074][  T773]  register_netdevice (net/core/dev.c:11488)
[   42.674213][  T773]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.674376][  T773]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.674515][  T773]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   42.674648][  T773]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   42.674779][  T773]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   42.674916][  T773]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   42.675049][  T773]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   42.675186][  T773]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   42.675320][  T773]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.675454][  T773]  vti_init_net (net/ipv4/ip_vti.c:517)
[   42.675592][  T773]  ops_init (net/core/net_namespace.c:137)
[   42.675695][  T773]  setup_net (net/core/net_namespace.c:446)
[   42.675795][  T773]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.675931][  T773]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.676064][  T773]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.676205][  T773]  copy_net_ns (net/core/net_namespace.c:579)
[   42.676339][  T773]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.676480][  T773]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.676612][  T773]  ksys_unshare (kernel/fork.c:3243)
[   42.676743][  T773]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.676879][  T773]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.677013][  T773]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.677151][  T773]  ? __ia32_sys_open (fs/open.c:1374)
[   42.677284][  T773]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.677416][  T773]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.677553][  T773]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.677684][  T773]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.677815][  T773]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.677951][  T773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.678121][  T773] RIP: 0033:0x7f0a4414ebcb
[   42.678260][  T773] 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
[   42.678732][  T773] RSP: 002b:00007ffcadd05ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.678931][  T773] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0a4414ebcb
[   42.679130][  T773] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.679329][  T773] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.679531][  T773] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcadd08110
[   42.679730][  T773] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcadd0988a
| [   42.683924][  T773] ------------[ cut here ]------------
| [   42.684063][  T773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/773
| [   42.684296][  T773] Modules linked in:
| [   42.684665][  T773] Tainted: [W]=WARN
[   42.684763][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.684938][  T773] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.685106][  T773] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.685579][  T773] RSP: 0018:ffa0000001d67a78 EFLAGS: 00010286
[   42.685744][  T773] RAX: 00000000ffffffa6 RBX: ff1100000da358c0 RCX: 1ff40000003acf15
[   42.685941][  T773] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da3597c
[   42.686139][  T773] RBP: ff1100000fc11000 R08: 1fe2200001b46b31 R09: ff1100000e798b80
[   42.686425][  T773] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   42.686629][  T773] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc11000
[   42.686829][  T773] FS:  00007f0a43e8c840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   42.687149][  T773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.687312][  T773] CR2: 00007f0a4408dc20 CR3: 0000000010707001 CR4: 0000000000771ef0
[   42.687598][  T773] PKRU: 55555554
[   42.687694][  T773] Call Trace:
[   42.687789][  T773]  <TASK>
[   42.687860][  T773]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.687988][  T773]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.688210][  T773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.688309][  T773]  register_netdevice (net/core/dev.c:11488)
[   42.688439][  T773]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.688606][  T773]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.688825][  T773]  register_netdev (net/core/dev.c:11552)
[   42.688956][  T773]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   42.689086][  T773]  ops_init (net/core/net_namespace.c:137)
[   42.689191][  T773]  setup_net (net/core/net_namespace.c:446)
[   42.689291][  T773]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.689513][  T773]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.689642][  T773]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.689775][  T773]  copy_net_ns (net/core/net_namespace.c:579)
[   42.689908][  T773]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.690132][  T773]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.690263][  T773]  ksys_unshare (kernel/fork.c:3243)
[   42.690393][  T773]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.690528][  T773]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.690743][  T773]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.690873][  T773]  ? __ia32_sys_open (fs/open.c:1374)
[   42.691006][  T773]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.691139][  T773]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.691268][  T773]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.691399][  T773]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.691537][  T773]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.691666][  T773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.691912][  T773] RIP: 0033:0x7f0a4414ebcb
[   42.692050][  T773] 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
[   42.692618][  T773] RSP: 002b:00007ffcadd05ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.692816][  T773] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0a4414ebcb
[   42.693098][  T773] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.693301][  T773] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.693500][  T773] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcadd08110
[   42.693791][  T773] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcadd0988a
| [   42.698571][  T773] ------------[ cut here ]------------
| [   42.698711][  T773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/773
| [   42.698935][  T773] Modules linked in:
| [   42.699311][  T773] Tainted: [W]=WARN
[   42.699504][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.699666][  T773] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.699835][  T773] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.700397][  T773] RSP: 0018:ffa0000001d67a68 EFLAGS: 00010286
[   42.700568][  T773] RAX: 00000000ffffffa6 RBX: ff11000009aede00 RCX: 1ff40000003acf13
[   42.700863][  T773] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aedebc
[   42.701056][  T773] RBP: ff11000008591000 R08: 1fe220000135dbd9 R09: ff1100000e798b80
[   42.701346][  T773] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   42.701546][  T773] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008591000
[   42.701741][  T773] FS:  00007f0a43e8c840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   42.702059][  T773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.702229][  T773] CR2: 00007f0a4408dc20 CR3: 0000000010707001 CR4: 0000000000771ef0
[   42.702426][  T773] PKRU: 55555554
[   42.702613][  T773] Call Trace:
[   42.702710][  T773]  <TASK>
[   42.702778][  T773]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.702909][  T773]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.703040][  T773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.703232][  T773]  register_netdevice (net/core/dev.c:11488)
[   42.703369][  T773]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.703538][  T773]  register_netdev (net/core/dev.c:11552)
[   42.703667][  T773]  sit_init_net (net/ipv6/sit.c:1860)
[   42.703884][  T773]  ops_init (net/core/net_namespace.c:137)
[   42.703985][  T773]  setup_net (net/core/net_namespace.c:446)
[   42.704084][  T773]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.704217][  T773]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.704435][  T773]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.704572][  T773]  copy_net_ns (net/core/net_namespace.c:579)
[   42.704704][  T773]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.704839][  T773]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.705056][  T773]  ksys_unshare (kernel/fork.c:3243)
[   42.705192][  T773]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.705323][  T773]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.705455][  T773]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.705675][  T773]  ? __ia32_sys_open (fs/open.c:1374)
[   42.705807][  T773]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.705936][  T773]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.706064][  T773]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.706287][  T773]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.706418][  T773]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.706557][  T773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.706720][  T773] RIP: 0033:0x7f0a4414ebcb
[   42.706946][  T773] 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
[   42.707506][  T773] RSP: 002b:00007ffcadd05ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.707703][  T773] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0a4414ebcb
[   42.707899][  T773] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.708186][  T773] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.708380][  T773] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcadd08110
[   42.708580][  T773] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcadd0988a
| [   42.713775][  T773] ------------[ cut here ]------------
| [   42.713995][  T773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/773
| [   42.714296][  T773] Modules linked in:
| [   42.714666][  T773] Tainted: [W]=WARN
[   42.714765][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.715018][  T773] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.715251][  T773] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.715724][  T773] RSP: 0018:ffa0000001d67a78 EFLAGS: 00010286
[   42.715975][  T773] RAX: 00000000ffffffa6 RBX: ff1100000e775a80 RCX: 1ff40000003acf15
[   42.716228][  T773] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e775b3c
[   42.716492][  T773] RBP: ff1100000921c000 R08: 1fe2200001ceeb69 R09: ff1100000e798b80
[   42.716687][  T773] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   42.716882][  T773] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000921c000
[   42.717080][  T773] FS:  00007f0a43e8c840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   42.717456][  T773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.717626][  T773] CR2: 00007f0a4408dc20 CR3: 0000000010707001 CR4: 0000000000771ef0
[   42.717824][  T773] PKRU: 55555554
[   42.717921][  T773] Call Trace:
[   42.718020][  T773]  <TASK>
[   42.718088][  T773]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.718364][  T773]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.718503][  T773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.718604][  T773]  register_netdevice (net/core/dev.c:11488)
[   42.718736][  T773]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.718898][  T773]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.719032][  T773]  register_netdev (net/core/dev.c:11552)
[   42.719216][  T773]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   42.719351][  T773]  ops_init (net/core/net_namespace.c:137)
[   42.719450][  T773]  setup_net (net/core/net_namespace.c:446)
[   42.719554][  T773]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.719768][  T773]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.719900][  T773]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.720032][  T773]  copy_net_ns (net/core/net_namespace.c:579)
[   42.720219][  T773]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.720356][  T773]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.720492][  T773]  ksys_unshare (kernel/fork.c:3243)
[   42.720622][  T773]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.720842][  T773]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.720973][  T773]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.721105][  T773]  ? __ia32_sys_open (fs/open.c:1374)
[   42.721391][  T773]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.721528][  T773]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.721659][  T773]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.721791][  T773]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.721922][  T773]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.722053][  T773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.722271][  T773] RIP: 0033:0x7f0a4414ebcb
[   42.722406][  T773] 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
[   42.722968][  T773] RSP: 002b:00007ffcadd05ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.723222][  T773] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0a4414ebcb
[   42.723419][  T773] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.723622][  T773] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.723905][  T773] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcadd08110
[   42.724099][  T773] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcadd0988a
| [   42.755960][  T775] ------------[ cut here ]------------
| [   42.756163][  T775] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/775
| [   42.756437][  T775] Modules linked in:
| [   42.756936][  T775] Tainted: [W]=WARN
[   42.757080][  T775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.757927][  T775] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.758155][  T775] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.758670][  T775] RSP: 0018:ffa0000001d77020 EFLAGS: 00010286
[   42.758880][  T775] RAX: 00000000ffffffa6 RBX: ff1100000c2db000 RCX: 1ff40000003aedca
[   42.759132][  T775] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2db0bc
[   42.759369][  T775] RBP: ff1100000f341000 R08: 1fe220000185b619 R09: ff1100000510ae58
[   42.759612][  T775] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   42.759854][  T775] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   42.760096][  T775] FS:  00007f4c52397840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   42.760382][  T775] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.760601][  T775] CR2: 00000000080c4988 CR3: 000000000f6ef004 CR4: 0000000000771ef0
[   42.760845][  T775] PKRU: 55555554
[   42.760988][  T775] Call Trace:
[   42.761145][  T775]  <TASK>
[   42.761259][  T775]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.761439][  T775]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.761595][  T775]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   42.761770][  T775]  __dev_notify_flags (net/core/dev.c:9787)
[   42.761948][  T775]  ? netif_change_name (net/core/dev.c:1495)
[   42.762142][  T775]  ? __dev_change_flags (net/core/dev.c:9752)
[   42.762320][  T775]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   42.762504][  T775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.762682][  T775]  ? 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))
[   42.762862][  T775]  netif_change_flags (net/core/dev.c:9820)
[   42.763041][  T775]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.763231][  T775]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   42.763415][  T775]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   42.763605][  T775]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   42.763817][  T775]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.763993][  T775]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.764185][  T775]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.764363][  T775]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.764551][  T775]  ? __kernel_text_address (kernel/extable.c:79)
[   42.764731][  T775]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.764910][  T775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.765088][  T775]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   42.765282][  T775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.765460][  T775]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.765643][  T775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.765820][  T775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.766002][  T775]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   42.766194][  T775]  ? __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)
[   42.766374][  T775]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   42.766563][  T775]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   42.766741][  T775]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   42.766921][  T775]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   42.767146][  T775]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   42.767331][  T775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.767517][  T775]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.767708][  T775]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.767886][  T775]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.768062][  T775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.768254][  T775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.768430][  T775]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.768613][  T775]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.768793][  T775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.768972][  T775]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.769162][  T775]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.769341][  T775]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.769524][  T775]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.769702][  T775]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.769881][  T775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.770057][  T775]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.770253][  T775]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.770432][  T775]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.770614][  T775]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.770794][  T775]  ? 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))
[   42.770968][  T775]  ? 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))
[   42.771161][  T775]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.771342][  T775]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.771534][  T775]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.771714][  T775]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.771894][  T775]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.772071][  T775]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.772265][  T775]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.772444][  T775]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.772635][  T775]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.772848][  T775]  ? move_addr_to_kernel (net/socket.c:258)
[   42.773031][  T775]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.773222][  T775]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.773401][  T775]  ___sys_sendmsg (net/socket.c:2752)
[   42.773586][  T775]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.773801][  T775]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.773992][  T775]  __sys_sendmsg (net/socket.c:2784)
[   42.774184][  T775]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.774365][  T775]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.774584][  T775]  ? 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)
[   42.774762][  T775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.774940][  T775]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.775131][  T775]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.775306][  T775]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.775488][  T775]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.775700][  T775] RIP: 0033:0x7f4c525d108e
[   42.775883][  T775] 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
[   42.776401][  T775] RSP: 002b:00007ffdc4ae4470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.776651][  T775] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4c525d108e
[   42.776896][  T775] RDX: 0000000000000000 RSI: 00007ffdc4ae4520 RDI: 0000000000000005
[   42.777149][  T775] RBP: 00007ffdc4ae4480 R08: 0000000000000000 R09: 0000000000000000
[   42.777391][  T775] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e322
[   42.777638][  T775] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc4ae4bf0
| [   42.922006][  T779] ------------[ cut here ]------------
| [   42.922818][  T779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/779
| [   42.923173][  T779] Modules linked in:
| [   42.923774][  T779] Tainted: [W]=WARN
[   42.923946][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.924165][  T779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.924385][  T779] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.924901][  T779] RSP: 0018:ffa0000001d97a80 EFLAGS: 00010286
[   42.925129][  T779] RAX: 00000000ffffffa6 RBX: ff1100000ba0c900 RCX: 1ff40000003b2f16
[   42.925369][  T779] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0c9bc
[   42.925617][  T779] RBP: ff1100001045c000 R08: 1fe2200001741939 R09: ff11000009c10b80
[   42.925857][  T779] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   42.926098][  T779] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001045c000
[   42.926355][  T779] FS:  00007f15ae271840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   42.926639][  T779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.926852][  T779] CR2: 00007f15ae478430 CR3: 000000000a0da006 CR4: 0000000000771ef0
[   42.927098][  T779] PKRU: 55555554
[   42.927256][  T779] Call Trace:
[   42.927404][  T779]  <TASK>
[   42.927528][  T779]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.927711][  T779]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.927891][  T779]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.928039][  T779]  register_netdevice (net/core/dev.c:11488)
[   42.928235][  T779]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.928451][  T779]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.928638][  T779]  register_netdev (net/core/dev.c:11552)
[   42.928816][  T779]  loopback_net_init (drivers/net/loopback.c:218)
[   42.928995][  T779]  ops_init (net/core/net_namespace.c:137)
[   42.929156][  T779]  setup_net (net/core/net_namespace.c:446)
[   42.929303][  T779]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.929486][  T779]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.929671][  T779]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.929852][  T779]  copy_net_ns (net/core/net_namespace.c:579)
[   42.930032][  T779]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.930225][  T779]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.930405][  T779]  ksys_unshare (kernel/fork.c:3243)
[   42.930596][  T779]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.930775][  T779]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.930956][  T779]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.931151][  T779]  ? __ia32_sys_open (fs/open.c:1374)
[   42.931333][  T779]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.931515][  T779]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.931695][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.931872][  T779]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.932050][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.932242][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.932456][  T779] RIP: 0033:0x7f15ae533bcb
[   42.932651][  T779] 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
[   42.933168][  T779] RSP: 002b:00007fffbe8fe318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.933411][  T779] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f15ae533bcb
[   42.933664][  T779] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.933903][  T779] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.934159][  T779] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbe900540
[   42.934402][  T779] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbe901886
| [   42.945805][  T779] ------------[ cut here ]------------
| [   42.945992][  T779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/779
| [   42.946343][  T779] Modules linked in:
| [   42.946814][  T779] Tainted: [W]=WARN
[   42.946966][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.947192][  T779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.947414][  T779] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.947931][  T779] RSP: 0018:ffa0000001d97918 EFLAGS: 00010286
[   42.948162][  T779] RAX: 00000000ffffffa6 RBX: ff1100000b6c23c0 RCX: 1ff40000003b2ee9
[   42.948405][  T779] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6c247c
[   42.948654][  T779] RBP: ff1100000839c000 R08: 1fe22000016d8491 R09: ff11000009c10b80
[   42.948896][  T779] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   42.949156][  T779] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000839c000
[   42.949405][  T779] FS:  00007f15ae271840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   42.949690][  T779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.949903][  T779] CR2: 00007f15ae478430 CR3: 000000000a0da006 CR4: 0000000000771ef0
[   42.950166][  T779] PKRU: 55555554
[   42.950314][  T779] Call Trace:
[   42.950460][  T779]  <TASK>
[   42.950585][  T779]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.950765][  T779]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.950945][  T779]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.951093][  T779]  register_netdevice (net/core/dev.c:11488)
[   42.951284][  T779]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.951510][  T779]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.951690][  T779]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   42.951871][  T779]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   42.952049][  T779]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   42.952242][  T779]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   42.952424][  T779]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   42.952618][  T779]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   42.952803][  T779]  ops_init (net/core/net_namespace.c:137)
[   42.952956][  T779]  setup_net (net/core/net_namespace.c:446)
[   42.953104][  T779]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.953295][  T779]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.953481][  T779]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.953664][  T779]  copy_net_ns (net/core/net_namespace.c:579)
[   42.953844][  T779]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.954027][  T779]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.954223][  T779]  ksys_unshare (kernel/fork.c:3243)
[   42.954403][  T779]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.954592][  T779]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.954770][  T779]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.954949][  T779]  ? __ia32_sys_open (fs/open.c:1374)
[   42.955141][  T779]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.955319][  T779]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.955507][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.955687][  T779]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.955866][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.956048][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.956272][  T779] RIP: 0033:0x7f15ae533bcb
[   42.956458][  T779] 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
[   42.956981][  T779] RSP: 002b:00007fffbe8fe318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.957239][  T779] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f15ae533bcb
[   42.957488][  T779] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.957732][  T779] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.957979][  T779] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbe900540
[   42.958231][  T779] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbe901886
| [   42.962883][  T779] ------------[ cut here ]------------
| [   42.963063][  T779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/779
| [   42.963352][  T779] Modules linked in:
| [   42.963829][  T779] Tainted: [W]=WARN
[   42.963976][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.964201][  T779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.964423][  T779] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.964944][  T779] RSP: 0018:ffa0000001d978f8 EFLAGS: 00010286
[   42.965168][  T779] RAX: 00000000ffffffa6 RBX: ff1100000b6c3380 RCX: 1ff40000003b2ee5
[   42.965412][  T779] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6c343c
[   42.965664][  T779] RBP: ff11000009c01000 R08: 1fe22000016d8689 R09: ff11000009c10b80
[   42.965906][  T779] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   42.966165][  T779] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c01000
[   42.966413][  T779] FS:  00007f15ae271840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   42.966700][  T779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.966912][  T779] CR2: 00007f15ae478430 CR3: 000000000a0da006 CR4: 0000000000771ef0
[   42.967169][  T779] PKRU: 55555554
[   42.967315][  T779] Call Trace:
[   42.967461][  T779]  <TASK>
[   42.967584][  T779]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.967764][  T779]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.967942][  T779]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.968089][  T779]  register_netdevice (net/core/dev.c:11488)
[   42.968282][  T779]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.968509][  T779]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   42.968691][  T779]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   42.968871][  T779]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   42.969050][  T779]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   42.969244][  T779]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   42.969423][  T779]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   42.969672][  T779]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   42.969924][  T779]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.970192][  T779]  vti_init_net (net/ipv4/ip_vti.c:517)
[   42.970443][  T779]  ops_init (net/core/net_namespace.c:137)
[   42.970615][  T779]  setup_net (net/core/net_namespace.c:446)
[   42.970765][  T779]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.970942][  T779]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.971135][  T779]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.971318][  T779]  copy_net_ns (net/core/net_namespace.c:579)
[   42.971509][  T779]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.971691][  T779]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.971871][  T779]  ksys_unshare (kernel/fork.c:3243)
[   42.972051][  T779]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.972244][  T779]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.972456][  T779]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.972694][  T779]  ? __ia32_sys_open (fs/open.c:1374)
[   42.972880][  T779]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.973057][  T779]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.973248][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.973428][  T779]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.973615][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.973795][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.974006][  T779] RIP: 0033:0x7f15ae533bcb
[   42.974202][  T779] 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
[   42.974726][  T779] RSP: 002b:00007fffbe8fe318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.974970][  T779] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f15ae533bcb
[   42.975229][  T779] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.975480][  T779] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.975725][  T779] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbe900540
[   42.975967][  T779] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbe901886
| [   42.986395][  T779] ------------[ cut here ]------------
| [   42.986581][  T779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/779
| [   42.986855][  T779] Modules linked in:
| [   42.987483][  T779] Tainted: [W]=WARN
[   42.987628][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.987837][  T779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.988054][  T779] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.988672][  T779] RSP: 0018:ffa0000001d97a78 EFLAGS: 00010286
[   42.988886][  T779] RAX: 00000000ffffffa6 RBX: ff1100000ba0d700 RCX: 1ff40000003b2f15
[   42.989139][  T779] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0d7bc
[   42.989379][  T779] RBP: ff1100000ff51000 R08: 1fe2200001741af9 R09: ff11000009c10b80
[   42.989634][  T779] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   42.989874][  T779] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff51000
[   42.990132][  T779] FS:  00007f15ae271840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   42.990407][  T779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.990628][  T779] CR2: 00007f15ae478430 CR3: 000000000a0da006 CR4: 0000000000771ef0
[   42.990876][  T779] PKRU: 55555554
[   42.991020][  T779] Call Trace:
[   42.991179][  T779]  <TASK>
[   42.991295][  T779]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.991483][  T779]  ? notifier_call_chain (kernel/notifier.c:85)
[   42.991674][  T779]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.991823][  T779]  register_netdevice (net/core/dev.c:11488)
[   42.992043][  T779]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   42.992326][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.992519][  T779]  register_netdev (net/core/dev.c:11552)
[   42.992698][  T779]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   42.992878][  T779]  ops_init (net/core/net_namespace.c:137)
[   42.993026][  T779]  setup_net (net/core/net_namespace.c:446)
[   42.993189][  T779]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   42.993365][  T779]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   42.993559][  T779]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   42.993743][  T779]  copy_net_ns (net/core/net_namespace.c:579)
[   42.993923][  T779]  create_new_namespaces (kernel/nsproxy.c:132)
[   42.994104][  T779]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   42.994296][  T779]  ksys_unshare (kernel/fork.c:3243)
[   42.994482][  T779]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   42.994664][  T779]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   42.994843][  T779]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   42.995024][  T779]  ? __ia32_sys_open (fs/open.c:1374)
[   42.995217][  T779]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   42.995394][  T779]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   42.995580][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.995759][  T779]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.995938][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.996134][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.996346][  T779] RIP: 0033:0x7f15ae533bcb
[   42.996537][  T779] 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
[   42.997050][  T779] RSP: 002b:00007fffbe8fe318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   42.997309][  T779] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f15ae533bcb
[   42.997560][  T779] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   42.997803][  T779] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   42.998045][  T779] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbe900540
[   42.998301][  T779] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbe901886
| [   43.003001][  T779] ------------[ cut here ]------------
| [   43.003184][  T779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/779
| [   43.003459][  T779] Modules linked in:
| [   43.003932][  T779] Tainted: [W]=WARN
[   43.004078][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.004301][  T779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.004532][  T779] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   43.005042][  T779] RSP: 0018:ffa0000001d97a68 EFLAGS: 00010286
[   43.005269][  T779] RAX: 00000000ffffffa6 RBX: ff1100000962e3c0 RCX: 1ff40000003b2f13
[   43.005524][  T779] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962e47c
[   43.005765][  T779] RBP: ff11000010101000 R08: 1fe22000012c5c91 R09: ff11000009c10b80
[   43.006004][  T779] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.006260][  T779] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010101000
[   43.006518][  T779] FS:  00007f15ae271840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   43.006796][  T779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.007009][  T779] CR2: 00007f15ae478430 CR3: 000000000a0da006 CR4: 0000000000771ef0
[   43.007267][  T779] PKRU: 55555554
[   43.007414][  T779] Call Trace:
[   43.007568][  T779]  <TASK>
[   43.007686][  T779]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.007873][  T779]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.008054][  T779]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.008216][  T779]  register_netdevice (net/core/dev.c:11488)
[   43.008398][  T779]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   43.008616][  T779]  register_netdev (net/core/dev.c:11552)
[   43.008796][  T779]  sit_init_net (net/ipv6/sit.c:1860)
[   43.008978][  T779]  ops_init (net/core/net_namespace.c:137)
[   43.009144][  T779]  setup_net (net/core/net_namespace.c:446)
[   43.009293][  T779]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   43.009480][  T779]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   43.009726][  T779]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   43.009922][  T779]  copy_net_ns (net/core/net_namespace.c:579)
[   43.010103][  T779]  create_new_namespaces (kernel/nsproxy.c:132)
[   43.010298][  T779]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   43.010490][  T779]  ksys_unshare (kernel/fork.c:3243)
[   43.010670][  T779]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   43.010849][  T779]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   43.011028][  T779]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   43.011221][  T779]  ? __ia32_sys_open (fs/open.c:1374)
[   43.011402][  T779]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   43.011589][  T779]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   43.011775][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.011954][  T779]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.012146][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.012325][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.012545][  T779] RIP: 0033:0x7f15ae533bcb
[   43.012729][  T779] 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
[   43.013259][  T779] RSP: 002b:00007fffbe8fe318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   43.013511][  T779] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f15ae533bcb
[   43.013755][  T779] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   43.013999][  T779] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   43.014256][  T779] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbe900540
[   43.014507][  T779] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbe901886
| [   43.020142][  T779] ------------[ cut here ]------------
| [   43.020323][  T779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/779
| [   43.020610][  T779] Modules linked in:
| [   43.021072][  T779] Tainted: [W]=WARN
[   43.021239][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.021452][  T779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.021680][  T779] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   43.022205][  T779] RSP: 0018:ffa0000001d97a78 EFLAGS: 00010286
[   43.022418][  T779] RAX: 00000000ffffffa6 RBX: ff1100000ce70200 RCX: 1ff40000003b2f15
[   43.022690][  T779] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce702bc
[   43.023029][  T779] RBP: ff11000009bcc000 R08: 1fe22000019ce059 R09: ff11000009c10b80
[   43.023397][  T779] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.023733][  T779] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bcc000
[   43.023979][  T779] FS:  00007f15ae271840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   43.024267][  T779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.024487][  T779] CR2: 00007f15ae478430 CR3: 000000000a0da006 CR4: 0000000000771ef0
[   43.024736][  T779] PKRU: 55555554
[   43.024881][  T779] Call Trace:
[   43.025027][  T779]  <TASK>
[   43.025155][  T779]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.025337][  T779]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.025531][  T779]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.025702][  T779]  register_netdevice (net/core/dev.c:11488)
[   43.025946][  T779]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   43.026190][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.026374][  T779]  register_netdev (net/core/dev.c:11552)
[   43.026565][  T779]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   43.026746][  T779]  ops_init (net/core/net_namespace.c:137)
[   43.026894][  T779]  setup_net (net/core/net_namespace.c:446)
[   43.027042][  T779]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   43.027231][  T779]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   43.027413][  T779]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   43.027606][  T779]  copy_net_ns (net/core/net_namespace.c:579)
[   43.027788][  T779]  create_new_namespaces (kernel/nsproxy.c:132)
[   43.027967][  T779]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   43.028160][  T779]  ksys_unshare (kernel/fork.c:3243)
[   43.028338][  T779]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   43.028526][  T779]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   43.028711][  T779]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   43.028892][  T779]  ? __ia32_sys_open (fs/open.c:1374)
[   43.029072][  T779]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   43.029262][  T779]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   43.029440][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.029628][  T779]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.029808][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.029988][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.030216][  T779] RIP: 0033:0x7f15ae533bcb
[   43.030400][  T779] 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
[   43.030918][  T779] RSP: 002b:00007fffbe8fe318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   43.031174][  T779] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f15ae533bcb
[   43.031420][  T779] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   43.031670][  T779] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   43.031914][  T779] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbe900540
[   43.032175][  T779] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbe901886
| [   43.066748][  T780] ------------[ cut here ]------------
| [   43.066911][  T780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/780
| [   43.067489][  T780] Modules linked in:
| [   43.067940][  T780] Tainted: [W]=WARN
[   43.068039][  T780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.068259][  T780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.068430][  T780] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   43.068912][  T780] RSP: 0018:ffa0000001db7020 EFLAGS: 00010286
[   43.069078][  T780] RAX: 00000000ffffffa6 RBX: ff11000010472c80 RCX: 1ff40000003b6dca
[   43.069329][  T780] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010472d3c
[   43.069534][  T780] RBP: ff1100001045c000 R08: 1fe220000208e5a9 R09: ff11000008d85158
[   43.069728][  T780] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   43.069922][  T780] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   43.070176][  T780] FS:  00007f3fc6487840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   43.070408][  T780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.070577][  T780] CR2: 0000000015dba988 CR3: 000000000fcb7003 CR4: 0000000000771ef0
[   43.070773][  T780] PKRU: 55555554
[   43.070870][  T780] Call Trace:
[   43.070967][  T780]  <TASK>
[   43.071035][  T780]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.071223][  T780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.071326][  T780]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   43.071456][  T780]  __dev_notify_flags (net/core/dev.c:9787)
[   43.071594][  T780]  ? netif_change_name (net/core/dev.c:1495)
[   43.071724][  T780]  ? __dev_change_flags (net/core/dev.c:9752)
[   43.071856][  T780]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   43.071987][  T780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.072123][  T780]  ? 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))
[   43.072261][  T780]  netif_change_flags (net/core/dev.c:9820)
[   43.072391][  T780]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.072529][  T780]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   43.072662][  T780]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   43.072796][  T780]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   43.072959][  T780]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.073090][  T780]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.073225][  T780]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.073358][  T780]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.073499][  T780]  ? __kernel_text_address (kernel/extable.c:79)
[   43.073629][  T780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.073764][  T780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.073892][  T780]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   43.074022][  T780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.074159][  T780]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.074289][  T780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.074418][  T780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.074562][  T780]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   43.074695][  T780]  ? __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)
[   43.074840][  T780]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   43.074970][  T780]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   43.075102][  T780]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   43.075241][  T780]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   43.075373][  T780]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   43.075510][  T780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.075638][  T780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.075768][  T780]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.075896][  T780]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.076024][  T780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.076162][  T780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.076291][  T780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.076419][  T780]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.076555][  T780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.076685][  T780]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.076814][  T780]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   43.076945][  T780]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.077073][  T780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.077209][  T780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.077339][  T780]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.077475][  T780]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.077614][  T780]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   43.077805][  T780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.077999][  T780]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.078215][  T780]  ? 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))
[   43.078411][  T780]  ? 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))
[   43.078588][  T780]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.078721][  T780]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.078851][  T780]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.078982][  T780]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   43.079129][  T780]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   43.079262][  T780]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   43.079396][  T780]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   43.079535][  T780]  ? copy_msghdr_from_user (net/socket.c:2635)
[   43.079665][  T780]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   43.079826][  T780]  ? move_addr_to_kernel (net/socket.c:258)
[   43.079958][  T780]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.080090][  T780]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.080227][  T780]  ___sys_sendmsg (net/socket.c:2752)
[   43.080356][  T780]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   43.080526][  T780]  ? copy_msghdr_from_user (net/socket.c:2603)
[   43.080667][  T780]  __sys_sendmsg (net/socket.c:2784)
[   43.080797][  T780]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   43.080925][  T780]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   43.081087][  T780]  ? 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)
[   43.081224][  T780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.081357][  T780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.081495][  T780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.081625][  T780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.081754][  T780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.081915][  T780] RIP: 0033:0x7f3fc66c108e
[   43.082053][  T780] 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
[   43.082533][  T780] RSP: 002b:00007ffdcab0aaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.082729][  T780] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3fc66c108e
[   43.082924][  T780] RDX: 0000000000000000 RSI: 00007ffdcab0aba0 RDI: 0000000000000005
[   43.083123][  T780] RBP: 00007ffdcab0ab00 R08: 0000000000000000 R09: 0000000000000000
[   43.083320][  T780] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e323
[   43.083517][  T780] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcab0b270
| [   44.263992][  T810] ------------[ cut here ]------------
| [   44.264813][  T810] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/810
| [   44.265101][  T810] Modules linked in:
| [   44.265612][  T810] Tainted: [W]=WARN
[   44.265764][  T810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.265984][  T810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.266226][  T810] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.266764][  T810] RSP: 0018:ffa0000001bb6e30 EFLAGS: 00010286
[   44.266983][  T810] RAX: 00000000ffffffa6 RBX: ff110000053f0200 RCX: 1ff4000000376d8c
[   44.267247][  T810] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f02bc
[   44.267502][  T810] RBP: ff110000100c4000 R08: 1fe2200000a7e059 R09: ff1100000f280b80
[   44.267753][  T810] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.268002][  T810] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002856e00
[   44.268268][  T810] FS:  00007faeb2c5e840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   44.268566][  T810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.268813][  T810] CR2: 000000000042ebe0 CR3: 0000000001ed5001 CR4: 0000000000771ef0
[   44.269153][  T810] PKRU: 55555554
[   44.269305][  T810] Call Trace:
[   44.269453][  T810]  <TASK>
[   44.269582][  T810]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   44.269798][  T810]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.269986][  T810]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.270149][  T810]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.270336][  T810]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.270531][  T810]  __dev_notify_flags (net/core/dev.c:9787)
[   44.270721][  T810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.270904][  T810]  ? netif_change_name (net/core/dev.c:1495)
[   44.271087][  T810]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   44.271284][  T810]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   44.271508][  T810]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   44.271728][  T810]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   44.271913][  T810]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.272099][  T810]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   44.272297][  T810]  veth_newlink (drivers/net/veth.c:1871)
[   44.272489][  T810]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   44.272673][  T810]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.272858][  T810]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.273040][  T810]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.273252][  T810]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   44.273440][  T810]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   44.273631][  T810]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   44.273815][  T810]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.274004][  T810]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   44.274201][  T810]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   44.274385][  T810]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   44.274577][  T810]  ? __dev_get_by_name (net/core/dev.c:883)
[   44.274765][  T810]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   44.274952][  T810]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   44.275151][  T810]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.275337][  T810]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.275529][  T810]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.275717][  T810]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.275901][  T810]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.276086][  T810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.276286][  T810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.276470][  T810]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.276666][  T810]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.276848][  T810]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.277030][  T810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.277225][  T810]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.277410][  T810]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.277601][  T810]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.277788][  T810]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.277973][  T810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.278169][  T810]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.278357][  T810]  ? 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))
[   44.278550][  T810]  ? 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))
[   44.278741][  T810]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.278930][  T810]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.279130][  T810]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.279315][  T810]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.279506][  T810]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.279690][  T810]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.279878][  T810]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.280061][  T810]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.280261][  T810]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.280482][  T810]  ? move_addr_to_kernel (net/socket.c:258)
[   44.280672][  T810]  ___sys_sendmsg (net/socket.c:2752)
[   44.280855][  T810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.281037][  T810]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.281242][  T810]  ? 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))
[   44.281427][  T810]  __sys_sendmsg (net/socket.c:2784)
[   44.281623][  T810]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.281830][  T810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.282080][  T810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.282278][  T810]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.282461][  T810]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.282654][  T810]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.282840][  T810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.283053][  T810] RIP: 0033:0x7faeb2e9808e
[   44.283254][  T810] 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
[   44.283800][  T810] RSP: 002b:00007fff31394da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.284053][  T810] RAX: ffffffffffffffda RBX: 00007fff31395538 RCX: 00007faeb2e9808e
[   44.284313][  T810] RDX: 0000000000000000 RSI: 00007fff31394e50 RDI: 0000000000000005
[   44.284574][  T810] RBP: 00007fff31394db0 R08: 0000000000000000 R09: 0000000000000000
[   44.284823][  T810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e324
[   44.285072][  T810] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff31395510
| [   44.303607][  T810] ------------[ cut here ]------------
| [   44.303795][  T810] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/810
| [   44.304074][  T810] Modules linked in:
| [   44.304593][  T810] Tainted: [W]=WARN
[   44.304793][  T810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.305029][  T810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.305458][  T810] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.305993][  T810] RSP: 0018:ffa0000001bb71b0 EFLAGS: 00010286
[   44.306224][  T810] RAX: 00000000ffffffa6 RBX: ff1100000a095a80 RCX: 1ff4000000376dfc
[   44.306480][  T810] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a095b3c
[   44.306725][  T810] RBP: ff1100000ffd9000 R08: 1fe2200001412b69 R09: ff1100000f280b80
[   44.306975][  T810] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.307233][  T810] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   44.307489][  T810] FS:  00007faeb2c5e840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   44.307783][  T810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.307998][  T810] CR2: 000000000042ebe0 CR3: 0000000001ed5001 CR4: 0000000000771ef0
[   44.308256][  T810] PKRU: 55555554
[   44.308403][  T810] Call Trace:
[   44.308579][  T810]  <TASK>
[   44.308741][  T810]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.309007][  T810]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.309238][  T810]  __dev_notify_flags (net/core/dev.c:9787)
[   44.309512][  T810]  ? netif_change_name (net/core/dev.c:1495)
[   44.309775][  T810]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   44.309999][  T810]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.310201][  T810]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   44.310385][  T810]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   44.310577][  T810]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   44.310761][  T810]  ? __dev_get_by_name (net/core/dev.c:883)
[   44.310942][  T810]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   44.311141][  T810]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   44.311329][  T810]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.311521][  T810]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.311702][  T810]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.311885][  T810]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.312065][  T810]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.312263][  T810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.312450][  T810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.312640][  T810]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.312822][  T810]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.313003][  T810]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.313197][  T810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.313380][  T810]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.313572][  T810]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.313754][  T810]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.313943][  T810]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.314136][  T810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.314319][  T810]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.314511][  T810]  ? 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))
[   44.314690][  T810]  ? 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))
[   44.314872][  T810]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.315055][  T810]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.315254][  T810]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.315436][  T810]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.315625][  T810]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.315806][  T810]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.315988][  T810]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.316183][  T810]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.316364][  T810]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.316596][  T810]  ? move_addr_to_kernel (net/socket.c:258)
[   44.316785][  T810]  ___sys_sendmsg (net/socket.c:2752)
[   44.316963][  T810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.317212][  T810]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.317457][  T810]  ? 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))
[   44.317649][  T810]  __sys_sendmsg (net/socket.c:2784)
[   44.317831][  T810]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.318018][  T810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.318215][  T810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.318397][  T810]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.318584][  T810]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.318764][  T810]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.318945][  T810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.319168][  T810] RIP: 0033:0x7faeb2e9808e
[   44.319356][  T810] 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
[   44.319886][  T810] RSP: 002b:00007fff31394da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.320145][  T810] RAX: ffffffffffffffda RBX: 00007fff31395538 RCX: 00007faeb2e9808e
[   44.320392][  T810] RDX: 0000000000000000 RSI: 00007fff31394e50 RDI: 0000000000000005
[   44.320647][  T810] RBP: 00007fff31394db0 R08: 0000000000000000 R09: 0000000000000000
[   44.320891][  T810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e324
[   44.321147][  T810] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff31395510
| [   44.366931][  T811] ------------[ cut here ]------------
| [   44.367095][  T811] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/811
| [   44.367336][  T811] Modules linked in:
| [   44.367711][  T811] Tainted: [W]=WARN
[   44.367809][  T811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.367972][  T811] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.368149][  T811] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.368619][  T811] RSP: 0018:ffa0000001f57020 EFLAGS: 00010286
[   44.368783][  T811] RAX: 00000000ffffffa6 RBX: ff1100000a095c40 RCX: 1ff40000003eadca
[   44.368981][  T811] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a095cfc
[   44.369189][  T811] RBP: ff1100000ffd9000 R08: 1fe2200001412ba1 R09: ff11000008e7d158
[   44.369383][  T811] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   44.369585][  T811] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.369781][  T811] FS:  00007f29587bc840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   44.370010][  T811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.370182][  T811] CR2: 0000000019aad988 CR3: 000000000f34d002 CR4: 0000000000771ef0
[   44.370378][  T811] PKRU: 55555554
[   44.370480][  T811] Call Trace:
[   44.370579][  T811]  <TASK>
[   44.370666][  T811]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.370799][  T811]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.370898][  T811]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.371031][  T811]  __dev_notify_flags (net/core/dev.c:9787)
[   44.371168][  T811]  ? netif_change_name (net/core/dev.c:1495)
[   44.371300][  T811]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.371430][  T811]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.371565][  T811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.371695][  T811]  ? 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))
[   44.371828][  T811]  netif_change_flags (net/core/dev.c:9820)
[   44.371961][  T811]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.372090][  T811]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.372227][  T811]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.372360][  T811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.372529][  T811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.372660][  T811]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.372791][  T811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.372922][  T811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.373054][  T811]  ? __kernel_text_address (kernel/extable.c:79)
[   44.373268][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.373402][  T811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.373539][  T811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.373670][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.373803][  T811]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.373933][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.374062][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.374271][  T811]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.374405][  T811]  ? __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)
[   44.374556][  T811]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.374687][  T811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.374821][  T811]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.374957][  T811]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.375091][  T811]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.375301][  T811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.375431][  T811]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.375569][  T811]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.375702][  T811]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.375833][  T811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.375968][  T811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.376102][  T811]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.376324][  T811]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.376457][  T811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.376597][  T811]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.376730][  T811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.376862][  T811]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.376993][  T811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.377216][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.377354][  T811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.377489][  T811]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.377623][  T811]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.377756][  T811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.377890][  T811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.378025][  T811]  ? 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))
[   44.378222][  T811]  ? 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))
[   44.378356][  T811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.378493][  T811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.378626][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.378760][  T811]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.378893][  T811]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.379026][  T811]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.379259][  T811]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.379391][  T811]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.379562][  T811]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.379807][  T811]  ? move_addr_to_kernel (net/socket.c:258)
[   44.379966][  T811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.380099][  T811]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.380318][  T811]  ___sys_sendmsg (net/socket.c:2752)
[   44.380448][  T811]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.380615][  T811]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.380761][  T811]  __sys_sendmsg (net/socket.c:2784)
[   44.380894][  T811]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.381025][  T811]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.381280][  T811]  ? 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)
[   44.381413][  T811]  ? 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)
[   44.381550][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.381682][  T811]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.381817][  T811]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.381950][  T811]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.382085][  T811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.382329][  T811] RIP: 0033:0x7f29589f608e
[   44.382469][  T811] 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
[   44.382954][  T811] RSP: 002b:00007ffe90284730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.383213][  T811] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f29589f608e
[   44.383410][  T811] RDX: 0000000000000000 RSI: 00007ffe902847e0 RDI: 0000000000000005
[   44.383617][  T811] RBP: 00007ffe90284740 R08: 0000000000000000 R09: 0000000000000000
[   44.383816][  T811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e324
[   44.384016][  T811] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe90284ea0
| [   44.464562][  T812] ------------[ cut here ]------------
| [   44.464771][  T812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/812
| [   44.465042][  T812] Modules linked in:
| [   44.465515][  T812] Tainted: [W]=WARN
[   44.465660][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.465867][  T812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.466084][  T812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.466601][  T812] RSP: 0018:ffa0000001b66ff8 EFLAGS: 00010286
[   44.466808][  T812] RAX: 00000000ffffffa6 RBX: ff1100000979cc80 RCX: 1ff400000036cdc5
[   44.467044][  T812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979cd3c
[   44.467348][  T812] RBP: ff110000100c4000 R08: 1fe22000012f39a9 R09: ff11000008e7ae58
[   44.467632][  T812] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.467867][  T812] R13: 0000000000000000 R14: ffa0000001b67140 R15: ff1100000d8211d0
[   44.468106][  T812] FS:  00007f8dd82fa840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   44.468388][  T812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.468605][  T812] CR2: 000000002a215988 CR3: 000000001052e004 CR4: 0000000000771ef0
[   44.468840][  T812] PKRU: 55555554
[   44.468984][  T812] Call Trace:
[   44.469138][  T812]  <TASK>
[   44.469250][  T812]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   44.469424][  T812]  __dev_change_net_namespace (net/core/dev.c:12635)
[   44.469640][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.469812][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.469992][  T812]  ? default_device_exit_batch (net/core/dev.c:13091)
[   44.470213][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.470385][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.470567][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.470740][  T812]  ? 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))
[   44.470915][  T812]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.471096][  T812]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   44.471288][  T812]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.471463][  T812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.471677][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.471851][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.472024][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.472210][  T812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.472385][  T812]  ? __kernel_text_address (kernel/extable.c:79)
[   44.472571][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.472749][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.472921][  T812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.473097][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.473378][  T812]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.473558][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.473734][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.473912][  T812]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.474087][  T812]  ? __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)
[   44.474274][  T812]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.474449][  T812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.474634][  T812]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.474806][  T812]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.474986][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.475171][  T812]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.475352][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.475533][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.475709][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.475880][  T812]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.476054][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.476242][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.476414][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.476600][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.476773][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.476948][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.477133][  T812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.477307][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.477487][  T812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.477662][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.477837][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.478015][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.478202][  T812]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.478376][  T812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.478558][  T812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.478736][  T812]  ? 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))
[   44.478910][  T812]  ? 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))
[   44.479086][  T812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.479274][  T812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.479453][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.479638][  T812]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.479815][  T812]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.479990][  T812]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.480183][  T812]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.480360][  T812]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.480545][  T812]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.480756][  T812]  ? move_addr_to_kernel (net/socket.c:258)
[   44.480932][  T812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.481108][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.481299][  T812]  ___sys_sendmsg (net/socket.c:2752)
[   44.481506][  T812]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.481793][  T812]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.481992][  T812]  __sys_sendmsg (net/socket.c:2784)
[   44.482186][  T812]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.482361][  T812]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.482603][  T812]  ? 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)
[   44.482815][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.482993][  T812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.483182][  T812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.483356][  T812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.483540][  T812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.483750][  T812] RIP: 0033:0x7f8dd853408e
[   44.483932][  T812] 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
[   44.484439][  T812] RSP: 002b:00007ffda80544f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.484690][  T812] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8dd853408e
[   44.484926][  T812] RDX: 0000000000000000 RSI: 00007ffda80545a0 RDI: 0000000000000005
[   44.485174][  T812] RBP: 00007ffda8054500 R08: 0000000000000000 R09: 0000000000000000
[   44.485411][  T812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e324
[   44.485657][  T812] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8054c60
| [   44.489013][  T812] ------------[ cut here ]------------
| [   44.489192][  T812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/812
| [   44.489461][  T812] Modules linked in:
| [   44.489925][  T812] Tainted: [W]=WARN
[   44.490069][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.490287][  T812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.490514][  T812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.491017][  T812] RSP: 0018:ffa0000001b66fc0 EFLAGS: 00010286
[   44.491242][  T812] RAX: 00000000ffffffa6 RBX: ff1100000dd43000 RCX: 1ff400000036cdbe
[   44.491493][  T812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd430bc
[   44.491728][  T812] RBP: ff110000100c4000 R08: 1fe2200001ba8619 R09: ff11000008e7ae58
[   44.491963][  T812] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.492213][  T812] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d8211d0
[   44.492456][  T812] FS:  00007f8dd82fa840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   44.492734][  T812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.492942][  T812] CR2: 000000002a215988 CR3: 000000001052e004 CR4: 0000000000771ef0
[   44.493195][  T812] PKRU: 55555554
[   44.493339][  T812] Call Trace:
[   44.493491][  T812]  <TASK>
[   44.493607][  T812]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.493789][  T812]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.493966][  T812]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.494128][  T812]  __dev_change_net_namespace (net/core/dev.c:12695)
[   44.494337][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.494518][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.494698][  T812]  ? default_device_exit_batch (net/core/dev.c:13091)
[   44.494905][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.495084][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.495273][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.495449][  T812]  ? 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))
[   44.495637][  T812]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.495817][  T812]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   44.495996][  T812]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.496186][  T812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.496398][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.496631][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.496815][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.496990][  T812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.497178][  T812]  ? __kernel_text_address (kernel/extable.c:79)
[   44.497354][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.497544][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.497720][  T812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.497896][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.498072][  T812]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.498260][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.498434][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.498622][  T812]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.498799][  T812]  ? __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)
[   44.498975][  T812]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.499165][  T812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.499343][  T812]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.499540][  T812]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.499719][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.499938][  T812]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.500201][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.500446][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.500701][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.500949][  T812]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.501202][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.501383][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.501564][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.501740][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.501914][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.502095][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.502284][  T812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.502460][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.502646][  T812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.502821][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.502998][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.503187][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.503365][  T812]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.503551][  T812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.503727][  T812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.503906][  T812]  ? 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))
[   44.504079][  T812]  ? 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))
[   44.504266][  T812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.504445][  T812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.504638][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.504819][  T812]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.504995][  T812]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.505186][  T812]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.505366][  T812]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.505553][  T812]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.505729][  T812]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.505934][  T812]  ? move_addr_to_kernel (net/socket.c:258)
[   44.506111][  T812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.506303][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.506487][  T812]  ___sys_sendmsg (net/socket.c:2752)
[   44.506661][  T812]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.506951][  T812]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.507150][  T812]  __sys_sendmsg (net/socket.c:2784)
[   44.507326][  T812]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.507504][  T812]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.507803][  T812]  ? 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)
[   44.507980][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.508236][  T812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.508483][  T812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.508862][  T812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.509048][  T812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.509266][  T812] RIP: 0033:0x7f8dd853408e
[   44.509452][  T812] 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
[   44.510048][  T812] RSP: 002b:00007ffda80544f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.510385][  T812] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8dd853408e
[   44.510634][  T812] RDX: 0000000000000000 RSI: 00007ffda80545a0 RDI: 0000000000000005
[   44.510868][  T812] RBP: 00007ffda8054500 R08: 0000000000000000 R09: 0000000000000000
[   44.511199][  T812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e324
[   44.511437][  T812] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8054c60
| [   44.520559][  T812] ------------[ cut here ]------------
| [   44.520733][  T812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/812
| [   44.521001][  T812] Modules linked in:
| [   44.521484][  T812] Tainted: [W]=WARN
[   44.521631][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.521837][  T812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.522051][  T812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.522658][  T812] RSP: 0018:ffa0000001b67038 EFLAGS: 00010286
[   44.522866][  T812] RAX: 00000000ffffffa6 RBX: ff1100000dd43c40 RCX: 1ff400000036cdcd
[   44.523721][  T812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd43cfc
[   44.524180][  T812] RBP: ff110000100c4000 R08: 1fe2200001ba87a1 R09: ff11000008e7ae58
[   44.524482][  T812] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   44.524789][  T812] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   44.525082][  T812] FS:  00007f8dd82fa840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   44.525413][  T812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.525687][  T812] CR2: 000000002a215988 CR3: 000000001052e004 CR4: 0000000000771ef0
[   44.525982][  T812] PKRU: 55555554
[   44.526189][  T812] Call Trace:
[   44.526386][  T812]  <TASK>
[   44.526558][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.526787][  T812]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   44.527017][  T812]  notifier_call_chain (kernel/notifier.c:85)
[   44.527261][  T812]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   44.527502][  T812]  ? default_device_exit_batch (net/core/dev.c:13091)
[   44.527764][  T812]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   44.528027][  T812]  ? 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))
[   44.528271][  T812]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.528511][  T812]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   44.528742][  T812]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.528972][  T812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.529244][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.529485][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.529712][  T812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.529939][  T812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.530180][  T812]  ? __kernel_text_address (kernel/extable.c:79)
[   44.530410][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.530647][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.530875][  T812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.531111][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.531403][  T812]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.531639][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.531866][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.532094][  T812]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.532339][  T812]  ? __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)
[   44.532575][  T812]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.532803][  T812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.533034][  T812]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.533276][  T812]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.533518][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.533751][  T812]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.534045][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.534283][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.534520][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.534750][  T812]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.534980][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.535224][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.535450][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.535689][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.535918][  T812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.536164][  T812]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.536394][  T812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.536654][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.536884][  T812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.537112][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.537406][  T812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.537638][  T812]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.537867][  T812]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.538097][  T812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.538336][  T812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.538579][  T812]  ? 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))
[   44.538808][  T812]  ? 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))
[   44.539041][  T812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.539284][  T812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.539522][  T812]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.539752][  T812]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.539982][  T812]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.540224][  T812]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.540460][  T812]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.540701][  T812]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.540931][  T812]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.541199][  T812]  ? move_addr_to_kernel (net/socket.c:258)
[   44.541427][  T812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.541665][  T812]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.541895][  T812]  ___sys_sendmsg (net/socket.c:2752)
[   44.542140][  T812]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.542402][  T812]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.542650][  T812]  __sys_sendmsg (net/socket.c:2784)
[   44.542881][  T812]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.543110][  T812]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.543441][  T812]  ? 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)
[   44.543677][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.543911][  T812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.544155][  T812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.544386][  T812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.544650][  T812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.544914][  T812] RIP: 0033:0x7f8dd853408e
[   44.545172][  T812] 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
[   44.545743][  T812] RSP: 002b:00007ffda80544f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.546041][  T812] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8dd853408e
[   44.546320][  T812] RDX: 0000000000000000 RSI: 00007ffda80545a0 RDI: 0000000000000005
[   44.546571][  T812] RBP: 00007ffda8054500 R08: 0000000000000000 R09: 0000000000000000
[   44.546809][  T812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e324
[   44.547050][  T812] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8054c60
| [   44.609676][  T813] ------------[ cut here ]------------
| [   44.609829][  T813] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/813
| [   44.610061][  T813] Modules linked in:
| [   44.610439][  T813] Tainted: [W]=WARN
[   44.610545][  T813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.610711][  T813] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.610882][  T813] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.611356][  T813] RSP: 0018:ffa0000001b67020 EFLAGS: 00010286
[   44.611536][  T813] RAX: 00000000ffffffa6 RBX: ff1100000dd43700 RCX: 1ff400000036cdca
[   44.611739][  T813] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd437bc
[   44.611935][  T813] RBP: ff110000100c4000 R08: 1fe2200001ba86f9 R09: ff11000008e78b58
[   44.612190][  T813] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   44.612386][  T813] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.612592][  T813] FS:  00007f7467ef8840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   44.612877][  T813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.613044][  T813] CR2: 0000000029f40988 CR3: 000000001015d005 CR4: 0000000000771ef0
[   44.613299][  T813] PKRU: 55555554
[   44.613397][  T813] Call Trace:
[   44.613502][  T813]  <TASK>
[   44.613571][  T813]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.613704][  T813]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.613804][  T813]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.613938][  T813]  __dev_notify_flags (net/core/dev.c:9787)
[   44.614072][  T813]  ? netif_change_name (net/core/dev.c:1495)
[   44.614259][  T813]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.614393][  T813]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.614530][  T813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.614659][  T813]  ? 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))
[   44.614792][  T813]  netif_change_flags (net/core/dev.c:9820)
[   44.614922][  T813]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.615052][  T813]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.615242][  T813]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.615374][  T813]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.615541][  T813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.615670][  T813]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.615800][  T813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.615928][  T813]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.616058][  T813]  ? __kernel_text_address (kernel/extable.c:79)
[   44.616245][  T813]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.616380][  T813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.616514][  T813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.616644][  T813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.616775][  T813]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.616905][  T813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.617036][  T813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.617221][  T813]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.617353][  T813]  ? __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)
[   44.617489][  T813]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.617618][  T813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.617748][  T813]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.617879][  T813]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.618013][  T813]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.618201][  T813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.618330][  T813]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.618461][  T813]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.618597][  T813]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.618725][  T813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.618856][  T813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.618984][  T813]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.619113][  T813]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.619300][  T813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.619431][  T813]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.619567][  T813]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.619696][  T813]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.619827][  T813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.619956][  T813]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.620086][  T813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.620268][  T813]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.620400][  T813]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.620535][  T813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.620667][  T813]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.620823][  T813]  ? 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))
[   44.620953][  T813]  ? 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))
[   44.621084][  T813]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.621300][  T813]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.621430][  T813]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.621565][  T813]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.621698][  T813]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.621829][  T813]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.621962][  T813]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.622094][  T813]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.622299][  T813]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.622460][  T813]  ? move_addr_to_kernel (net/socket.c:258)
[   44.622596][  T813]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.622727][  T813]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.622859][  T813]  ___sys_sendmsg (net/socket.c:2752)
[   44.622989][  T813]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.623162][  T813]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.623303][  T813]  __sys_sendmsg (net/socket.c:2784)
[   44.623435][  T813]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.623568][  T813]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.623731][  T813]  ? 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)
[   44.623863][  T813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.623993][  T813]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.624130][  T813]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.624261][  T813]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.624391][  T813]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.624562][  T813] RIP: 0033:0x7f746813208e
[   44.624699][  T813] 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
[   44.625166][  T813] RSP: 002b:00007ffc10d11cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.625362][  T813] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f746813208e
[   44.625561][  T813] RDX: 0000000000000000 RSI: 00007ffc10d11d70 RDI: 0000000000000005
[   44.625755][  T813] RBP: 00007ffc10d11cd0 R08: 0000000000000000 R09: 0000000000000000
[   44.625950][  T813] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e324
[   44.626150][  T813] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc10d12430
| [   44.628218][   T36] ------------[ cut here ]------------
| [   44.628350][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   44.628594][   T36] Modules linked in:
| [   44.628966][   T36] Tainted: [W]=WARN
[   44.629057][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.629220][   T36] Workqueue: events_unbound linkwatch_event
[   44.629377][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.629538][   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
[   44.629975][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   44.630144][   T36] RAX: 00000000ffffffa6 RBX: ff110000029bb000 RCX: 1ff4000000051f02
[   44.630325][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bb0bc
[   44.630509][   T36] RBP: ff110000100c4000 R08: 1fe2200000537619 R09: ff11000001d751a8
[   44.630685][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   44.630861][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   44.631042][   T36] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   44.631258][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.631409][   T36] CR2: 000055d19c51fd5c CR3: 0000000010162003 CR4: 0000000000771ef0
[   44.631595][   T36] PKRU: 55555554
[   44.631688][   T36] Call Trace:
[   44.631778][   T36]  <TASK>
[   44.631840][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.631963][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.632086][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.632182][   T36]  netif_state_change (net/core/dev.c:1605)
[   44.632308][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   44.632459][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   44.632582][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   44.632702][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.632824][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   44.632943][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   44.633064][   T36]  process_one_work (kernel/workqueue.c:3314)
[   44.633191][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   44.633310][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.633435][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.633562][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   44.633680][   T36]  kthread (kernel/kthread.c:436)
[   44.633770][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.633920][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   44.634042][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.634168][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   44.634317][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   44.634438][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   44.634561][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.636558][   T36] ------------[ cut here ]------------
| [   44.636694][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   44.636934][   T36] Modules linked in:
| [   44.637355][   T36] Tainted: [W]=WARN
[   44.637451][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.637605][   T36] Workqueue: events_unbound linkwatch_event
[   44.637760][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.637921][   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
[   44.638367][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   44.638526][   T36] RAX: 00000000ffffffa6 RBX: ff11000009aec200 RCX: 1ff4000000051f02
[   44.638703][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aec2bc
[   44.638879][   T36] RBP: ff1100000ffd9000 R08: 1fe220000135d859 R09: ff11000001d751a8
[   44.639056][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   44.639242][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   44.639423][   T36] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   44.639636][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.639786][   T36] CR2: 000055d19c51fd5c CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   44.639967][   T36] PKRU: 55555554
[   44.640056][   T36] Call Trace:
[   44.640150][   T36]  <TASK>
[   44.640212][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.640333][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.640451][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.640547][   T36]  netif_state_change (net/core/dev.c:1605)
[   44.640667][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   44.640817][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   44.640935][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   44.641052][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.641182][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   44.641299][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   44.641419][   T36]  process_one_work (kernel/workqueue.c:3314)
[   44.641546][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   44.641665][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.641787][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.641909][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   44.642027][   T36]  kthread (kernel/kthread.c:436)
[   44.642125][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.642274][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   44.642393][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.642516][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   44.642665][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   44.642784][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   44.642904][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.958689][  T820] ------------[ cut here ]------------
| [   44.958880][  T820] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/820
| [   44.959133][  T820] Modules linked in:
| [   44.959523][  T820] Tainted: [W]=WARN
[   44.959626][  T820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.959797][  T820] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.959978][  T820] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.960468][  T820] RSP: 0018:ffa0000001fc6e30 EFLAGS: 00010286
[   44.960651][  T820] RAX: 00000000ffffffa6 RBX: ff110000091bda80 RCX: 1ff40000003f8d8c
[   44.960853][  T820] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bdb3c
[   44.961055][  T820] RBP: ff1100000fc41000 R08: 1fe2200001237b69 R09: ff110000021fae80
[   44.961264][  T820] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.961468][  T820] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f582e00
[   44.961682][  T820] FS:  00007ffb603ab840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   44.961919][  T820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.962090][  T820] CR2: 000000000042ebe0 CR3: 00000000106cc003 CR4: 0000000000771ef0
[   44.962300][  T820] PKRU: 55555554
[   44.962402][  T820] Call Trace:
[   44.962510][  T820]  <TASK>
[   44.962581][  T820]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.962717][  T820]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.962819][  T820]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   44.962987][  T820]  __dev_notify_flags (net/core/dev.c:9787)
[   44.963130][  T820]  ? netif_change_name (net/core/dev.c:1495)
[   44.963265][  T820]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.963400][  T820]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.963541][  T820]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.963677][  T820]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   44.963814][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.963952][  T820]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.964087][  T820]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   44.964227][  T820]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.964361][  T820]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   44.964505][  T820]  veth_newlink (drivers/net/veth.c:1871)
[   44.964640][  T820]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   44.964774][  T820]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.964910][  T820]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.965043][  T820]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.965201][  T820]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   44.965339][  T820]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   44.965482][  T820]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   44.965618][  T820]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.965755][  T820]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   44.965892][  T820]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   44.966029][  T820]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   44.966168][  T820]  ? __dev_get_by_name (net/core/dev.c:883)
[   44.966302][  T820]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   44.966445][  T820]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   44.966628][  T820]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.966831][  T820]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.966992][  T820]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.967135][  T820]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.967273][  T820]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.967408][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.967555][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.967692][  T820]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.967827][  T820]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.967962][  T820]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.968097][  T820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.968241][  T820]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.968379][  T820]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.968521][  T820]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.968658][  T820]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.968797][  T820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.968933][  T820]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.969071][  T820]  ? 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))
[   44.969211][  T820]  ? 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))
[   44.969349][  T820]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.969492][  T820]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.969628][  T820]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.969765][  T820]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.969900][  T820]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.970036][  T820]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.970179][  T820]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.970315][  T820]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.970451][  T820]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.970622][  T820]  ? move_addr_to_kernel (net/socket.c:258)
[   44.970762][  T820]  ___sys_sendmsg (net/socket.c:2752)
[   44.970896][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.971031][  T820]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.971183][  T820]  ? 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))
[   44.971319][  T820]  __sys_sendmsg (net/socket.c:2784)
[   44.971456][  T820]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.971600][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.971735][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.971872][  T820]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.972009][  T820]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.972150][  T820]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.972285][  T820]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.972453][  T820] RIP: 0033:0x7ffb605e508e
[   44.972602][  T820] 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
[   44.973087][  T820] RSP: 002b:00007fff04a49970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.973297][  T820] RAX: ffffffffffffffda RBX: 00007fff04a4a108 RCX: 00007ffb605e508e
[   44.973503][  T820] RDX: 0000000000000000 RSI: 00007fff04a49a20 RDI: 0000000000000005
[   44.973705][  T820] RBP: 00007fff04a49980 R08: 0000000000000000 R09: 0000000000000000
[   44.973907][  T820] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e325
[   44.974110][  T820] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff04a4a0e0
| [   44.981904][  T820] ------------[ cut here ]------------
| [   44.982050][  T820] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/820
| [   44.982779][  T820] Modules linked in:
| [   44.983161][  T820] Tainted: [W]=WARN
[   44.983266][  T820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.983433][  T820] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.983617][  T820] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.984091][  T820] RSP: 0018:ffa0000001fc71b0 EFLAGS: 00010286
[   44.984263][  T820] RAX: 00000000ffffffa6 RBX: ff110000053f1540 RCX: 1ff40000003f8dfc
[   44.984462][  T820] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f15fc
[   44.984668][  T820] RBP: ff1100001001c000 R08: 1fe2200000a7e2c1 R09: ff110000021fae80
[   44.984865][  T820] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.985064][  T820] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   44.985271][  T820] FS:  00007ffb603ab840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   44.985513][  T820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.985679][  T820] CR2: 000000000042ebe0 CR3: 00000000106cc003 CR4: 0000000000771ef0
[   44.985880][  T820] PKRU: 55555554
[   44.985980][  T820] Call Trace:
[   44.986080][  T820]  <TASK>
[   44.986155][  T820]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.986291][  T820]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.986393][  T820]  __dev_notify_flags (net/core/dev.c:9787)
[   44.986542][  T820]  ? netif_change_name (net/core/dev.c:1495)
[   44.986678][  T820]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   44.986809][  T820]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.986946][  T820]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   44.987079][  T820]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   44.987221][  T820]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   44.987354][  T820]  ? __dev_get_by_name (net/core/dev.c:883)
[   44.987491][  T820]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   44.987629][  T820]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   44.987767][  T820]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.987905][  T820]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.988039][  T820]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.988178][  T820]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.988311][  T820]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.988443][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.988586][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.988719][  T820]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.988857][  T820]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.988991][  T820]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.989130][  T820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.989262][  T820]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.989398][  T820]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.989536][  T820]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.989669][  T820]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.989801][  T820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.989936][  T820]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.990072][  T820]  ? 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))
[   44.990210][  T820]  ? 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))
[   44.990345][  T820]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.990486][  T820]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.990620][  T820]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.990758][  T820]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.990955][  T820]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.991170][  T820]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.991377][  T820]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.991584][  T820]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.991747][  T820]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.991913][  T820]  ? move_addr_to_kernel (net/socket.c:258)
[   44.992053][  T820]  ___sys_sendmsg (net/socket.c:2752)
[   44.992198][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.992334][  T820]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.992483][  T820]  ? 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))
[   44.992619][  T820]  __sys_sendmsg (net/socket.c:2784)
[   44.992752][  T820]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.992887][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.993022][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.993163][  T820]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.993301][  T820]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.993438][  T820]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.993576][  T820]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.993744][  T820] RIP: 0033:0x7ffb605e508e
[   44.993885][  T820] 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
[   44.994367][  T820] RSP: 002b:00007fff04a49970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.994576][  T820] RAX: ffffffffffffffda RBX: 00007fff04a4a108 RCX: 00007ffb605e508e
[   44.994775][  T820] RDX: 0000000000000000 RSI: 00007fff04a49a20 RDI: 0000000000000005
[   44.994973][  T820] RBP: 00007fff04a49980 R08: 0000000000000000 R09: 0000000000000000
[   44.995182][  T820] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e325
[   44.995382][  T820] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff04a4a0e0
| [   45.056962][  T821] ------------[ cut here ]------------
| [   45.057164][  T821] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/821
| [   45.057439][  T821] Modules linked in:
| [   45.057908][  T821] Tainted: [W]=WARN
[   45.058056][  T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.058729][  T821] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.058950][  T821] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.059471][  T821] RSP: 0018:ffa0000001fd7020 EFLAGS: 00010286
[   45.059694][  T821] RAX: 00000000ffffffa6 RBX: ff1100000daa18c0 RCX: 1ff40000003fadca
[   45.059936][  T821] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa197c
[   45.060190][  T821] RBP: ff1100001001c000 R08: 1fe2200001b54331 R09: ff11000008e32e58
[   45.060432][  T821] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   45.060682][  T821] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.060929][  T821] FS:  00007f4cb35e4840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   45.061216][  T821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.061427][  T821] CR2: 0000000024b8a988 CR3: 00000000101d1006 CR4: 0000000000771ef0
[   45.061681][  T821] PKRU: 55555554
[   45.061830][  T821] Call Trace:
[   45.061975][  T821]  <TASK>
[   45.062089][  T821]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.062283][  T821]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.062430][  T821]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   45.062615][  T821]  __dev_notify_flags (net/core/dev.c:9787)
[   45.062796][  T821]  ? netif_change_name (net/core/dev.c:1495)
[   45.062974][  T821]  ? __dev_change_flags (net/core/dev.c:9752)
[   45.063167][  T821]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   45.063345][  T821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.063532][  T821]  ? 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))
[   45.063714][  T821]  netif_change_flags (net/core/dev.c:9820)
[   45.063893][  T821]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.064071][  T821]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   45.064263][  T821]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.064443][  T821]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.064660][  T821]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.064837][  T821]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.065017][  T821]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.065206][  T821]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.065385][  T821]  ? __kernel_text_address (kernel/extable.c:79)
[   45.065577][  T821]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.065759][  T821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.065936][  T821]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.066131][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.066309][  T821]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.066491][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.066668][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.066846][  T821]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.067029][  T821]  ? __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)
[   45.067220][  T821]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.067398][  T821]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.067591][  T821]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.067772][  T821]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.067953][  T821]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.068144][  T821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.068320][  T821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.068509][  T821]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.068688][  T821]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.068863][  T821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.069044][  T821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.069234][  T821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.069413][  T821]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.069603][  T821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.069787][  T821]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.069967][  T821]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.070160][  T821]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.070337][  T821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.070522][  T821]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.070703][  T821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.070878][  T821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.071058][  T821]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.071253][  T821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.071435][  T821]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.071625][  T821]  ? 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))
[   45.071801][  T821]  ? 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))
[   45.071982][  T821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.072172][  T821]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.072351][  T821]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.072541][  T821]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.072726][  T821]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.072906][  T821]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.073086][  T821]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.073276][  T821]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.073454][  T821]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.073670][  T821]  ? move_addr_to_kernel (net/socket.c:258)
[   45.073849][  T821]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.074032][  T821]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.074225][  T821]  ___sys_sendmsg (net/socket.c:2752)
[   45.074402][  T821]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.074617][  T821]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.074808][  T821]  __sys_sendmsg (net/socket.c:2784)
[   45.074988][  T821]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.075178][  T821]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.075394][  T821]  ? 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)
[   45.075580][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.075757][  T821]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.075936][  T821]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.076127][  T821]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.076306][  T821]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.076523][  T821] RIP: 0033:0x7f4cb381e08e
[   45.076708][  T821] 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
[   45.077228][  T821] RSP: 002b:00007ffc51c124c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.077472][  T821] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4cb381e08e
[   45.077728][  T821] RDX: 0000000000000000 RSI: 00007ffc51c12570 RDI: 0000000000000005
[   45.077969][  T821] RBP: 00007ffc51c124d0 R08: 0000000000000000 R09: 0000000000000000
[   45.078223][  T821] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e325
[   45.078466][  T821] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc51c12c30
| [   45.148434][  T822] ------------[ cut here ]------------
| [   45.148641][  T822] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/822
| [   45.148911][  T822] Modules linked in:
| [   45.149382][  T822] Tainted: [W]=WARN
[   45.149540][  T822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.149746][  T822] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.149963][  T822] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.150469][  T822] RSP: 0018:ffa0000001fe6ff8 EFLAGS: 00010286
[   45.150689][  T822] RAX: 00000000ffffffa6 RBX: ff1100000a094c80 RCX: 1ff40000003fcdc5
[   45.150926][  T822] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a094d3c
[   45.151176][  T822] RBP: ff1100000fc41000 R08: 1fe22000014129a9 R09: ff11000008e35158
[   45.151414][  T822] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   45.151661][  T822] R13: 0000000000000000 R14: ffa0000001fe7140 R15: ff1100000b961550
[   45.151902][  T822] FS:  00007f2a9a119840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   45.152262][  T822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.152469][  T822] CR2: 000000003d8a7988 CR3: 000000000f5d1003 CR4: 0000000000771ef0
[   45.152721][  T822] PKRU: 55555554
[   45.152863][  T822] Call Trace:
[   45.153005][  T822]  <TASK>
[   45.153132][  T822]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   45.153310][  T822]  __dev_change_net_namespace (net/core/dev.c:12635)
[   45.153523][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.153698][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.153882][  T822]  ? default_device_exit_batch (net/core/dev.c:13091)
[   45.154085][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.154270][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.154445][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.154629][  T822]  ? 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))
[   45.154805][  T822]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.154984][  T822]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   45.155178][  T822]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.155354][  T822]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.155570][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.155744][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.155920][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.156094][  T822]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.156283][  T822]  ? __kernel_text_address (kernel/extable.c:79)
[   45.156462][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.156647][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.156821][  T822]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.156997][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.157185][  T822]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.157361][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.157544][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.157722][  T822]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.157898][  T822]  ? __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)
[   45.158074][  T822]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.158266][  T822]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.158441][  T822]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.158641][  T822]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.158819][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.158997][  T822]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.159192][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.159365][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.159548][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.159720][  T822]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.159894][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.160071][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.160255][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.160432][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.160614][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.160789][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.160970][  T822]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.161221][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.161412][  T822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.161597][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.161776][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.161952][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.162142][  T822]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.162316][  T822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.162499][  T822]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.162678][  T822]  ? 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))
[   45.162849][  T822]  ? 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))
[   45.163025][  T822]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.163215][  T822]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.163393][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.163578][  T822]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.163757][  T822]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.163931][  T822]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.164107][  T822]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.164294][  T822]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.164467][  T822]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.164682][  T822]  ? move_addr_to_kernel (net/socket.c:258)
[   45.164859][  T822]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.165032][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.165221][  T822]  ___sys_sendmsg (net/socket.c:2752)
[   45.165394][  T822]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.165606][  T822]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.165794][  T822]  __sys_sendmsg (net/socket.c:2784)
[   45.165972][  T822]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.166159][  T822]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.166368][  T822]  ? 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)
[   45.166552][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.166729][  T822]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.166905][  T822]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.167080][  T822]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.167264][  T822]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.167472][  T822] RIP: 0033:0x7f2a9a35308e
[   45.167662][  T822] 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
[   45.168167][  T822] RSP: 002b:00007ffd4b82e280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.168410][  T822] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2a9a35308e
[   45.168653][  T822] RDX: 0000000000000000 RSI: 00007ffd4b82e330 RDI: 0000000000000005
[   45.168887][  T822] RBP: 00007ffd4b82e290 R08: 0000000000000000 R09: 0000000000000000
[   45.169136][  T822] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e325
[   45.169375][  T822] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b82e9f0
| [   45.172397][  T822] ------------[ cut here ]------------
| [   45.172575][  T822] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/822
| [   45.172847][  T822] Modules linked in:
| [   45.173319][  T822] Tainted: [W]=WARN
[   45.173464][  T822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.173679][  T822] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.173898][  T822] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.174412][  T822] RSP: 0018:ffa0000001fe6fc0 EFLAGS: 00010286
[   45.174628][  T822] RAX: 00000000ffffffa6 RBX: ff1100000da35000 RCX: 1ff40000003fcdbe
[   45.174868][  T822] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da350bc
[   45.175105][  T822] RBP: ff1100000fc41000 R08: 1fe2200001b46a19 R09: ff11000008e35158
[   45.175355][  T822] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   45.175603][  T822] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b961550
[   45.175845][  T822] FS:  00007f2a9a119840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   45.176128][  T822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.176335][  T822] CR2: 000000003d8a7988 CR3: 000000000f5d1003 CR4: 0000000000771ef0
[   45.176586][  T822] PKRU: 55555554
[   45.176729][  T822] Call Trace:
[   45.176871][  T822]  <TASK>
[   45.176985][  T822]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.177179][  T822]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.177355][  T822]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.177508][  T822]  __dev_change_net_namespace (net/core/dev.c:12695)
[   45.177717][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.177891][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.178068][  T822]  ? default_device_exit_batch (net/core/dev.c:13091)
[   45.178286][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.178466][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.178654][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.178832][  T822]  ? 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))
[   45.179010][  T822]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.179201][  T822]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   45.179382][  T822]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.179567][  T822]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.179783][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.179959][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.180148][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.180326][  T822]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.180507][  T822]  ? __kernel_text_address (kernel/extable.c:79)
[   45.180685][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.180868][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.181046][  T822]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.181232][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.181408][  T822]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.181587][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.181762][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.181939][  T822]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.182130][  T822]  ? __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)
[   45.182308][  T822]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.182490][  T822]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.182668][  T822]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.182844][  T822]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.183025][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.183217][  T822]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.183397][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.183588][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.183768][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.183942][  T822]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.184131][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.184310][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.184492][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.184669][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.184847][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.185027][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.185217][  T822]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.185392][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.185575][  T822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.185750][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.185927][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.186101][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.186290][  T822]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.186470][  T822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.186657][  T822]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.186836][  T822]  ? 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))
[   45.187098][  T822]  ? 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))
[   45.187290][  T822]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.187468][  T822]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.187650][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.187914][  T822]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.188091][  T822]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.188281][  T822]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.188457][  T822]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.188727][  T822]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.188904][  T822]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.189108][  T822]  ? move_addr_to_kernel (net/socket.c:258)
[   45.189299][  T822]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.189571][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.189751][  T822]  ___sys_sendmsg (net/socket.c:2752)
[   45.189925][  T822]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.190229][  T822]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.190419][  T822]  __sys_sendmsg (net/socket.c:2784)
[   45.190610][  T822]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.190788][  T822]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.191085][  T822]  ? 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)
[   45.191272][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.191448][  T822]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.191634][  T822]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.191892][  T822]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.192068][  T822]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.192288][  T822] RIP: 0033:0x7f2a9a35308e
[   45.192472][  T822] 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
[   45.193075][  T822] RSP: 002b:00007ffd4b82e280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.193413][  T822] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2a9a35308e
[   45.193668][  T822] RDX: 0000000000000000 RSI: 00007ffd4b82e330 RDI: 0000000000000005
[   45.193907][  T822] RBP: 00007ffd4b82e290 R08: 0000000000000000 R09: 0000000000000000
[   45.194243][  T822] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e325
[   45.194517][  T822] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b82e9f0
| [   45.197369][  T822] ------------[ cut here ]------------
| [   45.197548][  T822] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/822
| [   45.197819][  T822] Modules linked in:
| [   45.198282][  T822] Tainted: [W]=WARN
[   45.198425][  T822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.198641][  T822] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.198855][  T822] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.199368][  T822] RSP: 0018:ffa0000001fe7038 EFLAGS: 00010286
[   45.199586][  T822] RAX: 00000000ffffffa6 RBX: ff1100000da34ac0 RCX: 1ff40000003fcdcd
[   45.199821][  T822] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da34b7c
[   45.200155][  T822] RBP: ff1100000fc41000 R08: 1fe2200001b46971 R09: ff11000008e35158
[   45.200391][  T822] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   45.200636][  T822] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   45.200960][  T822] FS:  00007f2a9a119840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   45.201244][  T822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.201450][  T822] CR2: 000000003d8a7988 CR3: 000000000f5d1003 CR4: 0000000000771ef0
[   45.201781][  T822] PKRU: 55555554
[   45.201924][  T822] Call Trace:
[   45.202067][  T822]  <TASK>
[   45.202315][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.202553][  T822]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   45.202792][  T822]  notifier_call_chain (kernel/notifier.c:85)
[   45.203028][  T822]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   45.203273][  T822]  ? default_device_exit_batch (net/core/dev.c:13091)
[   45.203536][  T822]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   45.203742][  T822]  ? 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))
[   45.203919][  T822]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.204096][  T822]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   45.204290][  T822]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.204466][  T822]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.204680][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.204856][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.205030][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.205219][  T822]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.205394][  T822]  ? __kernel_text_address (kernel/extable.c:79)
[   45.205583][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.205762][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.206021][  T822]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.206210][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.206385][  T822]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.206568][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.206825][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.207004][  T822]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.207207][  T822]  ? __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)
[   45.207391][  T822]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.207659][  T822]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.207838][  T822]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.208013][  T822]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.208202][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.208464][  T822]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.208657][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.208831][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.209008][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.209279][  T822]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.209453][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.209644][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.209819][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.210082][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.210269][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.210447][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.210636][  T822]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.210899][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.211075][  T822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.211263][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.211442][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.211707][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.211889][  T822]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.212064][  T822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.212255][  T822]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.212526][  T822]  ? 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))
[   45.212701][  T822]  ? 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))
[   45.212879][  T822]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.213056][  T822]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.213246][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.213424][  T822]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.213611][  T822]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.213789][  T822]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.214051][  T822]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.214241][  T822]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.214417][  T822]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.214634][  T822]  ? move_addr_to_kernel (net/socket.c:258)
[   45.214897][  T822]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.215073][  T822]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.215264][  T822]  ___sys_sendmsg (net/socket.c:2752)
[   45.215440][  T822]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.215735][  T822]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.215925][  T822]  __sys_sendmsg (net/socket.c:2784)
[   45.216105][  T822]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.216377][  T822]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.216599][  T822]  ? 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)
[   45.216779][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.216956][  T822]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.217230][  T822]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.217406][  T822]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.217586][  T822]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.217794][  T822] RIP: 0033:0x7f2a9a35308e
[   45.218065][  T822] 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
[   45.218682][  T822] RSP: 002b:00007ffd4b82e280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.218928][  T822] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2a9a35308e
[   45.219180][  T822] RDX: 0000000000000000 RSI: 00007ffd4b82e330 RDI: 0000000000000005
[   45.219515][  T822] RBP: 00007ffd4b82e290 R08: 0000000000000000 R09: 0000000000000000
[   45.219756][  T822] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e325
[   45.219997][  T822] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b82e9f0
| [   45.277945][  T823] ------------[ cut here ]------------
| [   45.278091][  T823] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/823
| [   45.278322][  T823] Modules linked in:
| [   45.278691][  T823] Tainted: [W]=WARN
[   45.278788][  T823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.278952][  T823] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.279126][  T823] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.279588][  T823] RSP: 0018:ffa0000001ff7020 EFLAGS: 00010286
[   45.279751][  T823] RAX: 00000000ffffffa6 RBX: ff11000009aede00 RCX: 1ff40000003fedca
[   45.279941][  T823] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aedebc
[   45.280134][  T823] RBP: ff1100000fc41000 R08: 1fe220000135dbd9 R09: ff110000021d0b58
[   45.280326][  T823] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   45.280520][  T823] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.280715][  T823] FS:  00007fc664846840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   45.280938][  T823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.281099][  T823] CR2: 000000002e16f988 CR3: 00000000105fd006 CR4: 0000000000771ef0
[   45.281297][  T823] PKRU: 55555554
[   45.281395][  T823] Call Trace:
[   45.281496][  T823]  <TASK>
[   45.281564][  T823]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.281696][  T823]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.281793][  T823]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   45.281922][  T823]  __dev_notify_flags (net/core/dev.c:9787)
[   45.282052][  T823]  ? netif_change_name (net/core/dev.c:1495)
[   45.282189][  T823]  ? __dev_change_flags (net/core/dev.c:9752)
[   45.282318][  T823]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   45.282447][  T823]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.282581][  T823]  ? 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))
[   45.282712][  T823]  netif_change_flags (net/core/dev.c:9820)
[   45.282842][  T823]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.282971][  T823]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   45.283102][  T823]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.283241][  T823]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.283402][  T823]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.283535][  T823]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.283664][  T823]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.283792][  T823]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.283921][  T823]  ? __kernel_text_address (kernel/extable.c:79)
[   45.284050][  T823]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.284189][  T823]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.284317][  T823]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.284446][  T823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.284579][  T823]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.284706][  T823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.284834][  T823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.284963][  T823]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.285094][  T823]  ? __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)
[   45.285227][  T823]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.285357][  T823]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.285491][  T823]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.285624][  T823]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.285757][  T823]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.285887][  T823]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.286017][  T823]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.286152][  T823]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.286281][  T823]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.286410][  T823]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.286547][  T823]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.286675][  T823]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.286803][  T823]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.286933][  T823]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.287062][  T823]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.287199][  T823]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.287327][  T823]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.287456][  T823]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.287589][  T823]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.287719][  T823]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.287846][  T823]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.287975][  T823]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.288104][  T823]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.288242][  T823]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.288375][  T823]  ? 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))
[   45.288507][  T823]  ? 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))
[   45.288639][  T823]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.288768][  T823]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.288897][  T823]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.289026][  T823]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.289164][  T823]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.289292][  T823]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.289422][  T823]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.289555][  T823]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.289684][  T823]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.289844][  T823]  ? move_addr_to_kernel (net/socket.c:258)
[   45.289973][  T823]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.290103][  T823]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.290237][  T823]  ___sys_sendmsg (net/socket.c:2752)
[   45.290366][  T823]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.290530][  T823]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.290671][  T823]  __sys_sendmsg (net/socket.c:2784)
[   45.290800][  T823]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.290928][  T823]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.291092][  T823]  ? 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)
[   45.291225][  T823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.291355][  T823]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.291489][  T823]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.291617][  T823]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.291744][  T823]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.291902][  T823] RIP: 0033:0x7fc664a8008e
[   45.292038][  T823] 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
[   45.292510][  T823] RSP: 002b:00007ffdf71a7dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.292706][  T823] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc664a8008e
[   45.292899][  T823] RDX: 0000000000000000 RSI: 00007ffdf71a7e70 RDI: 0000000000000005
[   45.293092][  T823] RBP: 00007ffdf71a7dd0 R08: 0000000000000000 R09: 0000000000000000
[   45.293289][  T823] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e325
[   45.293486][  T823] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf71a8530
| [   45.295494][   T36] ------------[ cut here ]------------
| [   45.295624][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   45.295861][   T36] Modules linked in:
| [   45.296367][   T36] Tainted: [W]=WARN
[   45.296460][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.296617][   T36] Workqueue: events_unbound linkwatch_event
[   45.296768][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.296922][   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
[   45.297361][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   45.297517][   T36] RAX: 00000000ffffffa6 RBX: ff1100000de071c0 RCX: 1ff4000000051f02
[   45.297699][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de0727c
[   45.297878][   T36] RBP: ff1100001001c000 R08: 1fe2200001bc0e51 R09: ff11000001d751a8
[   45.298052][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   45.298233][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   45.298409][   T36] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   45.298620][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.298766][   T36] CR2: 000055d19c51fd5c CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   45.298943][   T36] PKRU: 55555554
[   45.299032][   T36] Call Trace:
[   45.299128][   T36]  <TASK>
[   45.299191][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.299310][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.299430][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.299528][   T36]  netif_state_change (net/core/dev.c:1605)
[   45.299646][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   45.299794][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   45.299911][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   45.300029][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.300155][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   45.300273][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   45.300392][   T36]  process_one_work (kernel/workqueue.c:3314)
[   45.300520][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   45.300638][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.300762][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   45.300887][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   45.301005][   T36]  kthread (kernel/kthread.c:436)
[   45.301095][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.301244][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   45.301362][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   45.301484][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   45.301632][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   45.301755][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   45.301872][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   45.325527][   T71] ------------[ cut here ]------------
| [   45.325660][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/71
| [   45.325895][   T71] Modules linked in:
| [   45.326322][   T71] Tainted: [W]=WARN
[   45.326411][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.326563][   T71] Workqueue: events_unbound linkwatch_event
[   45.326713][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.326866][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   45.327296][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   45.327444][   T71] RAX: 00000000ffffffa6 RBX: ff1100000e775000 RCX: 1ff4000000098f02
[   45.327623][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7750bc
[   45.327801][   T71] RBP: ff1100000fc41000 R08: 1fe2200001ceea19 R09: ff11000009ccaea8
[   45.327977][   T71] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   45.328169][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   45.328344][   T71] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   45.328554][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.328703][   T71] CR2: 000055d19c51fd5c CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   45.328878][   T71] PKRU: 55555554
[   45.328967][   T71] Call Trace:
[   45.329060][   T71]  <TASK>
[   45.329131][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.329250][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.329368][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.329462][   T71]  netif_state_change (net/core/dev.c:1605)
[   45.329586][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   45.329733][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   45.329850][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   45.329967][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.330092][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   45.330239][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   45.330361][   T71]  process_one_work (kernel/workqueue.c:3314)
[   45.330487][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   45.330605][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.330729][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   45.330849][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   45.331010][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   45.331162][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   45.331282][   T71]  kthread (kernel/kthread.c:436)
[   45.331376][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.331538][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   45.331656][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   45.331775][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   45.331924][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   45.332045][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   45.332171][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.811329][   T67] ------------[ cut here ]------------
| [   49.811505][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   49.811749][   T67] Modules linked in:
| [   49.812126][   T67] Tainted: [W]=WARN
[   49.812216][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.812364][   T67] Workqueue: netns cleanup_net
[   49.812494][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.812651][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.813079][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   49.813236][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f6778c0 RCX: 1ff4000000090eed
[   49.813415][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f67797c
[   49.813604][   T67] RBP: ff110000100b1000 R08: 1fe2200001ecef31 R09: ff110000091a8bd0
[   49.813778][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   49.813953][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.814183][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   49.814412][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.814569][   T67] CR2: 00007f6fac34fa20 CR3: 000000000f4ec003 CR4: 0000000000771ef0
[   49.814820][   T67] PKRU: 55555554
[   49.814909][   T67] Call Trace:
[   49.814999][   T67]  <TASK>
[   49.815064][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.815276][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.815427][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   49.815554][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   49.815744][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.815864][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   49.815985][   T67]  ? 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)
[   49.816105][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   49.816342][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.816467][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.816591][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.816710][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.816828][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.816945][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.817059][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.817296][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.817412][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.817551][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.817671][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.817787][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.817906][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.818093][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.818234][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.818351][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.818468][   T67]  kthread (kernel/kthread.c:436)
[   49.818563][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.818710][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.818895][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.819013][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.819161][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.819351][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.819473][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.822341][   T67] ------------[ cut here ]------------
| [   49.822516][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   49.822800][   T67] Modules linked in:
| [   49.823270][   T67] Tainted: [W]=WARN
[   49.823413][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.823619][   T67] Workqueue: netns cleanup_net
[   49.823793][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.823992][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.824473][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   49.824679][   T67] RAX: 00000000ffffffa6 RBX: ff11000010473a80 RCX: 1ff4000000090eed
[   49.824902][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010473b3c
[   49.825137][   T67] RBP: ff11000010644000 R08: 1fe220000208e769 R09: ff110000091a8bd0
[   49.825359][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.825595][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.825821][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   49.826073][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.826303][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   49.826619][   T67] PKRU: 55555554
[   49.826755][   T67] Call Trace:
[   49.826901][   T67]  <TASK>
[   49.827022][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.827231][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.827424][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   49.827597][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   49.827765][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.827930][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   49.828098][   T67]  ? 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)
[   49.828284][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   49.828454][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.828626][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.828792][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.828958][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.829140][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.829307][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.829474][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.829649][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.829814][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.829981][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.830161][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.830325][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.830502][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.830669][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.830836][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.831004][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.831185][   T67]  kthread (kernel/kthread.c:436)
[   49.831322][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.831524][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.831690][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.831856][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.832046][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.832226][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.832420][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.835174][   T67] ------------[ cut here ]------------
| [   49.835335][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   49.835619][   T67] Modules linked in:
| [   49.836071][   T67] Tainted: [W]=WARN
[   49.836223][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.836417][   T67] Workqueue: netns cleanup_net
[   49.836596][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.836795][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.837271][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   49.837466][   T67] RAX: 00000000ffffffa6 RBX: ff1100000b6ff8c0 RCX: 1ff4000000090eed
[   49.837693][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6ff97c
[   49.837912][   T67] RBP: ff11000010309000 R08: 1fe22000016dff31 R09: ff110000091a8bd0
[   49.838145][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.838370][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.838602][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   49.838852][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.839047][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   49.839294][   T67] PKRU: 55555554
[   49.839431][   T67] Call Trace:
[   49.839574][   T67]  <TASK>
[   49.839682][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.839880][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.840071][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   49.840250][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   49.840417][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.840590][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   49.840758][   T67]  ? 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)
[   49.840924][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   49.841091][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.841266][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.841429][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.841677][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.841846][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.842085][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.842259][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.842423][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.842595][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.842761][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.842930][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.843093][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.843346][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.843525][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.843690][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.843856][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.844020][   T67]  kthread (kernel/kthread.c:436)
[   49.844166][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.844359][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.844532][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.844701][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.844894][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.845058][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.845236][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.848065][   T67] ------------[ cut here ]------------
| [   49.848307][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   49.848590][   T67] Modules linked in:
| [   49.849130][   T67] Tainted: [W]=WARN
[   49.849264][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.849537][   T67] Workqueue: netns cleanup_net
[   49.849708][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.849910][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.850390][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   49.850591][   T67] RAX: 00000000ffffffa6 RBX: ff110000091bd000 RCX: 1ff4000000090eed
[   49.850886][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bd0bc
[   49.851154][   T67] RBP: ff1100000f271000 R08: 1fe2200001237a19 R09: ff110000091a8bd0
[   49.851446][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.851677][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.851899][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   49.852243][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.852511][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   49.852838][   T67] PKRU: 55555554
[   49.853024][   T67] Call Trace:
[   49.853223][   T67]  <TASK>
[   49.853371][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.853656][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.853931][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   49.854101][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   49.854282][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.854448][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   49.854624][   T67]  ? 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)
[   49.854792][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   49.854988][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.855167][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.855434][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.855684][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.855924][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.856091][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.856269][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.856436][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.856614][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.856786][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.856955][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.857145][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.857319][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.857487][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.857732][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.857904][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.858071][   T67]  kthread (kernel/kthread.c:436)
[   49.858220][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.858438][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.858685][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.858850][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.859046][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.859229][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.859394][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.862360][   T67] ------------[ cut here ]------------
| [   49.862528][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   49.862810][   T67] Modules linked in:
| [   49.864193][   T67] Tainted: [W]=WARN
[   49.864379][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.864634][   T67] Workqueue: netns cleanup_net
[   49.864854][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.865109][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.865708][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   49.865957][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1c3c0 RCX: 1ff4000000090eed
[   49.866239][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1c47c
[   49.866517][   T67] RBP: ff11000008d7c000 R08: 1fe2200001963891 R09: ff110000091a8bd0
[   49.866789][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.867061][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.867424][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   49.867810][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.868053][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   49.868337][   T67] PKRU: 55555554
[   49.868530][   T67] Call Trace:
[   49.868714][   T67]  <TASK>
[   49.868868][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.869111][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.869407][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   49.869631][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   49.869857][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.870070][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   49.870300][   T67]  ? 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)
[   49.870531][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   49.870775][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.870987][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.871267][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.871534][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.872037][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.872401][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.872668][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.873003][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.873354][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.873636][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.873944][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.874191][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.874357][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.874536][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.874704][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.874948][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.875130][   T67]  kthread (kernel/kthread.c:436)
[   49.875267][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.875544][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.875713][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.875881][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.876076][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.876256][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.876423][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.896254][   T67] ------------[ cut here ]------------
| [   49.896427][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/67
| [   49.896742][   T67] Modules linked in:
| [   49.897681][   T67] Tainted: [W]=WARN
[   49.897946][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.898332][   T67] Workqueue: netns cleanup_net
[   49.898669][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.899029][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.899589][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   49.899854][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1c580 RCX: 1ff4000000090eaf
[   49.900141][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1c63c
[   49.900373][   T67] RBP: ff1100000ffd9000 R08: 1fe22000019638c9 R09: ff110000091a8bd0
[   49.900666][   T67] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   49.900897][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100c4000
[   49.901146][   T67] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   49.901425][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.901710][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   49.902033][   T67] PKRU: 55555554
[   49.902242][   T67] Call Trace:
[   49.902428][   T67]  <TASK>
[   49.902563][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.902781][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.902975][   T67]  netif_close_many (net/core/dev.c:1804)
[   49.903226][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.903464][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.903705][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.903881][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   49.904052][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   49.904272][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   49.904482][   T67]  ? 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)
[   49.904663][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.904861][   T67]  ? 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)
[   49.905034][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.905219][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   49.905425][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   49.905614][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   49.905794][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   49.905964][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   49.906151][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   49.906387][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   49.906609][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.906786][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.906958][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.907144][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.907318][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.907535][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.907711][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.907885][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.908059][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.908279][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.908457][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.908631][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.908812][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.908987][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.909168][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.909342][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.909523][   T67]  kthread (kernel/kthread.c:436)
[   49.909666][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.909868][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.910042][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.910228][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.910430][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.910610][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.910785][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.913971][   T67] ------------[ cut here ]------------
| [   49.914112][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   49.914398][   T67] Modules linked in:
| [   49.914791][   T67] Tainted: [W]=WARN
[   49.914886][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.915042][   T67] Workqueue: netns cleanup_net
[   49.915180][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.915342][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.915805][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   49.915963][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb1dc40 RCX: 1ff4000000090eaf
[   49.916158][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb1dcfc
[   49.916348][   T67] RBP: ff110000100c4000 R08: 1fe2200001963ba1 R09: ff110000091a8bd0
[   49.916540][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   49.916727][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010459000
[   49.916915][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   49.917147][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.917306][   T67] CR2: 00007f1125258668 CR3: 000000000cc26001 CR4: 0000000000771ef0
[   49.917501][   T67] PKRU: 55555554
[   49.917595][   T67] Call Trace:
[   49.917688][   T67]  <TASK>
[   49.917753][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.917880][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.918006][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.918101][   T67]  netif_close_many (net/core/dev.c:1804)
[   49.918231][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.918356][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.918480][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.918623][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   49.918751][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   49.918908][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   49.919067][   T67]  ? 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)
[   49.919199][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.919359][   T67]  ? 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)
[   49.919483][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.919612][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   49.919768][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   49.919903][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   49.920030][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   49.920168][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   49.920293][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   49.920418][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   49.920550][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.920675][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.920797][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.920925][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.921052][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.921182][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.921304][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.921430][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.921567][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.921713][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.921905][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.922088][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.922298][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.922484][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.922644][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.922771][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.922894][   T67]  kthread (kernel/kthread.c:436)
[   49.922989][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.923156][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.923286][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.923423][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.923582][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.923706][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.923830][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.926096][   T67] ------------[ cut here ]------------
| [   49.926786][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   49.927034][   T67] Modules linked in:
| [   49.927569][   T67] Tainted: [W]=WARN
[   49.927664][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.927819][   T67] Workqueue: netns cleanup_net
[   49.927952][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.928112][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.928644][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   49.928804][   T67] RAX: 00000000ffffffa6 RBX: ff1100000fc94900 RCX: 1ff4000000090eaf
[   49.928992][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc949bc
[   49.929531][   T67] RBP: ff11000010459000 R08: 1fe2200001f92939 R09: ff110000091a8bd0
[   49.929923][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   49.930221][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   49.930412][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   49.930640][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.930797][   T67] CR2: 00007f1125258668 CR3: 000000000cc26001 CR4: 0000000000771ef0
[   49.930985][   T67] PKRU: 55555554
[   49.931078][   T67] Call Trace:
[   49.931279][   T67]  <TASK>
[   49.931347][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.931472][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.931605][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.931700][   T67]  netif_close_many (net/core/dev.c:1804)
[   49.931826][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.931951][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.932074][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.932300][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   49.932427][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   49.932590][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   49.932744][   T67]  ? 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)
[   49.932869][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.933024][   T67]  ? 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)
[   49.933246][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.933371][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   49.933532][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   49.933660][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   49.933786][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   49.933911][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   49.934036][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   49.934228][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   49.934354][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.934479][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.934607][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.934732][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.934856][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.934983][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.935106][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.935309][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.935433][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.935564][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.935692][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.935815][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.935943][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.936068][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.936273][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.936398][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.936529][   T67]  kthread (kernel/kthread.c:436)
[   49.936623][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.936777][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.936901][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.937024][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.937259][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.937383][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.937514][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.940999][   T67] ------------[ cut here ]------------
| [   49.941148][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   49.941390][   T67] Modules linked in:
| [   49.941759][   T67] Tainted: [W]=WARN
[   49.941848][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.941995][   T67] Workqueue: netns cleanup_net
[   49.942136][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.942293][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.942734][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   49.942884][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d936200 RCX: 1ff4000000090ed5
[   49.943065][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9362bc
[   49.943246][   T67] RBP: ff1100000ffd9000 R08: 1fe2200001b26c59 R09: ff110000091a8bd0
[   49.943421][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   49.943603][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.943784][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   49.943991][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.944148][   T67] CR2: 00007f1124fc6430 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   49.944326][   T67] PKRU: 55555554
[   49.944415][   T67] Call Trace:
[   49.944509][   T67]  <TASK>
[   49.944574][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.944724][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.944873][   T67]  ? 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)
[   49.944992][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.945111][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   49.945270][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   49.945392][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   49.945522][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   49.945643][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   49.945764][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   49.945884][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.946003][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.946127][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.946248][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.946372][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.946496][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.946618][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.946738][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.946856][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.946981][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.947105][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.947229][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.947356][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.947477][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.947608][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.947728][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.947849][   T67]  kthread (kernel/kthread.c:436)
[   49.947938][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.948087][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.948216][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.948338][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.948494][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.948615][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.948733][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.952443][   T67] ------------[ cut here ]------------
| [   49.952590][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   49.952835][   T67] Modules linked in:
| [   49.953211][   T67] Tainted: [W]=WARN
[   49.953302][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.953453][   T67] Workqueue: netns cleanup_net
[   49.953584][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.953737][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.954180][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   49.954331][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d9371c0 RCX: 1ff4000000090ed5
[   49.954515][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d93727c
[   49.954691][   T67] RBP: ff110000100c4000 R08: 1fe2200001b26e51 R09: ff110000091a8bd0
[   49.954870][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   49.955048][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.955234][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   49.955447][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.955610][   T67] CR2: 00007f1124fc6430 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   49.955789][   T67] PKRU: 55555554
[   49.955880][   T67] Call Trace:
[   49.955968][   T67]  <TASK>
[   49.956032][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.956190][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.956338][   T67]  ? 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)
[   49.956457][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.956581][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   49.956734][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   49.956854][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   49.956979][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   49.957098][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   49.957225][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   49.957348][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.957469][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.957593][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.957712][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.957833][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.957954][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.958073][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.958199][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.958320][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.958440][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.958570][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.958688][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.958811][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.958933][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.959051][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.959177][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.959298][   T67]  kthread (kernel/kthread.c:436)
[   49.959389][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.959549][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.959674][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.959793][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.959941][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.960059][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.960186][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.964779][   T67] ------------[ cut here ]------------
| [   49.964912][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   49.965165][   T67] Modules linked in:
| [   49.965537][   T67] Tainted: [W]=WARN
[   49.965627][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.965774][   T67] Workqueue: netns cleanup_net
[   49.965899][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.966052][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.966587][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   49.966742][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a9043c0 RCX: 1ff4000000090ed5
[   49.966920][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a90447c
[   49.967098][   T67] RBP: ff11000010459000 R08: 1fe2200001520891 R09: ff110000091a8bd0
[   49.967374][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   49.967557][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.967741][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   49.967949][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.968097][   T67] CR2: 00007f1124fc6430 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   49.968379][   T67] PKRU: 55555554
[   49.968469][   T67] Call Trace:
[   49.968562][   T67]  <TASK>
[   49.968626][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   49.968897][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   49.969046][   T67]  ? 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)
[   49.969256][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.969375][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   49.969531][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   49.969651][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   49.969773][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   49.969891][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   49.970011][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   49.970225][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.970346][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   49.970465][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.970589][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   49.970712][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   49.970832][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   49.970952][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   49.971072][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.971287][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.971408][   T67]  process_one_work (kernel/workqueue.c:3314)
[   49.971536][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.971655][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.971779][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.971899][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.972016][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.972231][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.972351][   T67]  kthread (kernel/kthread.c:436)
[   49.972440][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.972592][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.972713][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.972833][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.972981][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.973100][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.973310][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.007862][   T67] ------------[ cut here ]------------
| [   50.008052][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.008326][   T67] Modules linked in:
| [   50.008701][   T67] Tainted: [W]=WARN
[   50.008789][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.008937][   T67] Workqueue: netns cleanup_net
[   50.009060][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.009222][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.009653][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.009800][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a9051c0 RCX: 1ff4000000090eed
[   50.009980][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a90527c
[   50.010165][   T67] RBP: ff1100000921c000 R08: 1fe2200001520a51 R09: ff110000091a8bd0
[   50.010341][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.010521][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.010695][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.010900][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.011047][   T67] CR2: 00007f1124fc6430 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   50.011229][   T67] PKRU: 55555554
[   50.011316][   T67] Call Trace:
[   50.011403][   T67]  <TASK>
[   50.011464][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.011620][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.011762][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.011879][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.011999][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.012122][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.012244][   T67]  ? 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)
[   50.012361][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.012478][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.012604][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.012724][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.012841][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.012959][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.013074][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.013198][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.013315][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.013432][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.013557][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.013678][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.013796][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.013921][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.014038][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.014158][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.014275][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.014390][   T67]  kthread (kernel/kthread.c:436)
[   50.014478][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.014631][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.014748][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.014870][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.015015][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.015138][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.015255][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.018017][   T67] ------------[ cut here ]------------
| [   50.018162][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.018440][   T67] Modules linked in:
| [   50.018828][   T67] Tainted: [W]=WARN
[   50.018917][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.019063][   T67] Workqueue: netns cleanup_net
[   50.019194][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.019348][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.019769][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.019918][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a9058c0 RCX: 1ff4000000090eed
[   50.020098][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a90597c
[   50.020278][   T67] RBP: ff11000008591000 R08: 1fe2200001520b31 R09: ff110000091a8bd0
[   50.020449][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.020661][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.020908][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.021301][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.021523][   T67] CR2: 00007f1124fc6430 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   50.021781][   T67] PKRU: 55555554
[   50.021879][   T67] Call Trace:
[   50.021972][   T67]  <TASK>
[   50.022034][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.022246][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.022395][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.022521][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.022637][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.022753][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.022871][   T67]  ? 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)
[   50.022989][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.023105][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.023270][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.023388][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.023510][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.023629][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.023745][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.023860][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.023980][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.024095][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.024261][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.024380][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.024503][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.024623][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.024740][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.024857][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.024974][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.025093][   T67]  kthread (kernel/kthread.c:436)
[   50.025294][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.025441][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.025561][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.025678][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.025823][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.025938][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.026056][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.028477][   T67] ------------[ cut here ]------------
| [   50.028620][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   50.028859][   T67] Modules linked in:
| [   50.029234][   T67] Tainted: [W]=WARN
[   50.029328][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.029476][   T67] Workqueue: netns cleanup_net
[   50.029608][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.029763][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.030191][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.030344][   T67] RAX: 00000000ffffffa6 RBX: ff1100000fc86900 RCX: 1ff4000000090eed
[   50.030528][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc869bc
[   50.030702][   T67] RBP: ff1100000fc11000 R08: 1fe2200001f90d39 R09: ff110000091a8bd0
[   50.030878][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   50.031054][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.031251][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   50.031459][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.031620][   T67] CR2: 00007ffe8f110558 CR3: 0000000010162006 CR4: 0000000000771ef0
[   50.031800][   T67] PKRU: 55555554
[   50.031888][   T67] Call Trace:
[   50.031977][   T67]  <TASK>
[   50.032040][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.032197][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.032350][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.032468][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.032595][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.032713][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.032830][   T67]  ? 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)
[   50.032952][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.033070][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.033194][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.033311][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.033427][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.033554][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.033671][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.033787][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.033917][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.034035][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.034160][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.034286][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.034406][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.034533][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.034652][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.034777][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.034896][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.035014][   T67]  kthread (kernel/kthread.c:436)
[   50.035101][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.035253][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.035371][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.035495][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.035643][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.035762][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.035879][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.038230][   T67] ------------[ cut here ]------------
| [   50.038360][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   50.038597][   T67] Modules linked in:
| [   50.038960][   T67] Tainted: [W]=WARN
[   50.039049][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.039208][   T67] Workqueue: netns cleanup_net
[   50.039332][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.039487][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.039916][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.040069][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c08e580 RCX: 1ff4000000090eed
[   50.040249][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c08e63c
[   50.040424][   T67] RBP: ff110000109a1000 R08: 1fe2200001811cc9 R09: ff110000091a8bd0
[   50.040608][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   50.040785][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.040962][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   50.041175][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.041325][   T67] CR2: 00007ffe8f110558 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   50.041509][   T67] PKRU: 55555554
[   50.041597][   T67] Call Trace:
[   50.041683][   T67]  <TASK>
[   50.041747][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.041899][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.042047][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.042173][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.042294][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.042415][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.042540][   T67]  ? 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)
[   50.042661][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.042781][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.042897][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.043014][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.043135][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.043255][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.043377][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.043497][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.043616][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.043733][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.043852][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.043975][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.044093][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.044221][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.044341][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.044458][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.044584][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.044713][   T67]  kthread (kernel/kthread.c:436)
[   50.044802][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.044950][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.045069][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.045197][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.045345][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.045465][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.045587][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.047587][   T67] ------------[ cut here ]------------
| [   50.047708][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   50.047940][   T67] Modules linked in:
| [   50.048310][   T67] Tainted: [W]=WARN
[   50.048399][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.048556][   T67] Workqueue: netns cleanup_net
[   50.048678][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.048831][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.049260][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.049412][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c08e900 RCX: 1ff4000000090eed
[   50.049595][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c08e9bc
[   50.049774][   T67] RBP: ff11000008261000 R08: 1fe2200001811d39 R09: ff110000091a8bd0
[   50.049953][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   50.050137][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.050316][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   50.050528][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.050676][   T67] CR2: 00007ffe8f110558 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   50.050853][   T67] PKRU: 55555554
[   50.050940][   T67] Call Trace:
[   50.051028][   T67]  <TASK>
[   50.051089][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.051247][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.051396][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.051521][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.051640][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.051758][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.051878][   T67]  ? 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)
[   50.051999][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.052124][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.052244][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.052364][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.052482][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.052608][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.052726][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.052844][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.052962][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.053080][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.053209][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.053331][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.053450][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.053579][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.053699][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.053819][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.053938][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.054057][   T67]  kthread (kernel/kthread.c:436)
[   50.054156][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.054306][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.054424][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.054553][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.054699][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.054818][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.054938][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.070001][   T67] ------------[ cut here ]------------
| [   50.070146][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   50.070395][   T67] Modules linked in:
| [   50.070780][   T67] Tainted: [W]=WARN
[   50.070879][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.071036][   T67] Workqueue: netns cleanup_net
[   50.071172][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.071339][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.071792][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   50.071958][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c08eac0 RCX: 1ff4000000090eaf
[   50.072151][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c08eb7c
[   50.072336][   T67] RBP: ff1100001001c000 R08: 1fe2200001811d71 R09: ff110000091a8bd0
[   50.072529][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   50.072716][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc41000
[   50.072904][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   50.073129][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.073286][   T67] CR2: 00007ffe8f110558 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   50.073471][   T67] PKRU: 55555554
[   50.073571][   T67] Call Trace:
[   50.073662][   T67]  <TASK>
[   50.073727][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.073851][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.073945][   T67]  netif_close_many (net/core/dev.c:1804)
[   50.074069][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.074255][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.074379][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.074507][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   50.074634][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   50.074791][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.074946][   T67]  ? 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)
[   50.075070][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.075278][   T67]  ? 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)
[   50.075401][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.075531][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.075692][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   50.075819][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.075943][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   50.076067][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.076247][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   50.076422][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.076554][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.076680][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.076803][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.076927][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.077052][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.077231][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.077356][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.077482][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.077611][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.077739][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.077867][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.077991][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.078172][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.078299][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.078423][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.078555][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.078678][   T67]  kthread (kernel/kthread.c:436)
[   50.078774][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.078928][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.079052][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.079228][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.079382][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.079511][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.079639][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.082088][   T67] ------------[ cut here ]------------
| [   50.082239][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.082482][   T67] Modules linked in:
| [   50.082868][   T67] Tainted: [W]=WARN
[   50.082960][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.083122][   T67] Workqueue: netns cleanup_net
[   50.083251][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.083411][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.083855][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   50.084038][   T67] RAX: 00000000ffffffa6 RBX: ff1100000962e740 RCX: 1ff4000000090eaf
[   50.084261][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962e7fc
[   50.084445][   T67] RBP: ff1100000fc41000 R08: 1fe22000012c5d01 R09: ff110000091a8bd0
[   50.084706][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   50.084915][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f341000
[   50.085100][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.085331][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.085486][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162001 CR4: 0000000000771ef0
[   50.085675][   T67] PKRU: 55555554
[   50.085776][   T67] Call Trace:
[   50.085868][   T67]  <TASK>
[   50.085932][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.086056][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.086188][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.086282][   T67]  netif_close_many (net/core/dev.c:1804)
[   50.086404][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.086531][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.086658][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.086779][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   50.086902][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   50.087056][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.087220][   T67]  ? 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)
[   50.087343][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.087500][   T67]  ? 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)
[   50.087623][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.087746][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.087901][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   50.088025][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.088159][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   50.088282][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.088405][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   50.088536][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.088660][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.088785][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.088907][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.089033][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.089161][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.089284][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.089406][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.089542][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.089663][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.089792][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.089919][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.090045][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.090179][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.090306][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.090433][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.090562][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.090685][   T67]  kthread (kernel/kthread.c:436)
[   50.090776][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.090929][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.091056][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.091185][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.091338][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.091460][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.091591][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.094251][   T67] ------------[ cut here ]------------
| [   50.094374][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.094619][   T67] Modules linked in:
| [   50.094997][   T67] Tainted: [W]=WARN
[   50.095090][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.095254][   T67] Workqueue: netns cleanup_net
[   50.095387][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.095553][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.095991][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   50.096154][   T67] RAX: 00000000ffffffa6 RBX: ff1100000da22200 RCX: 1ff4000000090eaf
[   50.096337][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da222bc
[   50.096530][   T67] RBP: ff1100000f341000 R08: 1fe2200001b44459 R09: ff110000091a8bd0
[   50.096712][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   50.096894][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   50.097077][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.097299][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.097454][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162001 CR4: 0000000000771ef0
[   50.097646][   T67] PKRU: 55555554
[   50.097736][   T67] Call Trace:
[   50.097827][   T67]  <TASK>
[   50.097894][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.098017][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.098151][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.098246][   T67]  netif_close_many (net/core/dev.c:1804)
[   50.098369][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.098501][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.098624][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.098749][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   50.098873][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   50.099028][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.099189][   T67]  ? 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)
[   50.099311][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.099463][   T67]  ? 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)
[   50.099596][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.099730][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.099884][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   50.100012][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.100144][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   50.100267][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.100390][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   50.100520][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.100644][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.100767][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.100888][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.101015][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.101146][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.101270][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.101392][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.101523][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.101644][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.101768][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.101898][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.102024][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.102157][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.102280][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.102404][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.102533][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.102656][   T67]  kthread (kernel/kthread.c:436)
[   50.102749][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.102901][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.103027][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.103157][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.103311][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.103433][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.103561][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.106032][   T67] ------------[ cut here ]------------
| [   50.106836][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.107073][   T67] Modules linked in:
| [   50.107962][   T67] Tainted: [W]=WARN
[   50.108053][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.108265][   T67] Workqueue: netns cleanup_net
[   50.108391][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.108556][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.108983][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   50.109199][   T67] RAX: 00000000ffffffa6 RBX: ff1100000da23540 RCX: 1ff4000000090ed5
[   50.109375][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da235fc
[   50.109554][   T67] RBP: ff1100001001c000 R08: 1fe2200001b446c1 R09: ff110000091a8bd0
[   50.109782][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.109958][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.110187][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.110392][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.110548][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162001 CR4: 0000000000771ef0
[   50.110724][   T67] PKRU: 55555554
[   50.110815][   T67] Call Trace:
[   50.110903][   T67]  <TASK>
[   50.110966][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.111167][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.111316][   T67]  ? 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)
[   50.111434][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.111560][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.111716][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.111839][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   50.111960][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.112081][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   50.112251][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.112373][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.112496][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.112618][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.112737][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.112855][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.112976][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.113096][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.113262][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.113380][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.113503][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.113625][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.113745][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.113871][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.113991][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.114109][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.114276][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.114394][   T67]  kthread (kernel/kthread.c:436)
[   50.114482][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.114640][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.114761][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.114880][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.115028][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.115195][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.115314][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.118358][   T67] ------------[ cut here ]------------
| [   50.118484][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.118724][   T67] Modules linked in:
| [   50.119091][   T67] Tainted: [W]=WARN
[   50.119258][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.119412][   T67] Workqueue: netns cleanup_net
[   50.119539][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.119693][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.120169][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   50.120320][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f634200 RCX: 1ff4000000090ed5
[   50.120506][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f6342bc
[   50.120682][   T67] RBP: ff1100000fc41000 R08: 1fe2200001ec6859 R09: ff110000091a8bd0
[   50.120864][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.121087][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.121319][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.121533][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.121684][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162001 CR4: 0000000000771ef0
[   50.121859][   T67] PKRU: 55555554
[   50.121950][   T67] Call Trace:
[   50.122037][   T67]  <TASK>
[   50.122098][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.122296][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.122440][   T67]  ? 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)
[   50.122561][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.122680][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.122837][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.122956][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   50.123076][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.123243][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   50.123362][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.123479][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.123607][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.123724][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.123844][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.123965][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.124082][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.124247][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.124367][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.124485][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.124611][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.124733][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.124851][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.124974][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.125093][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.125259][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.125380][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.125504][   T67]  kthread (kernel/kthread.c:436)
[   50.125593][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.125740][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.125858][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.125978][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.126173][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.126292][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.126411][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.131058][   T67] ------------[ cut here ]------------
| [   50.131190][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.131428][   T67] Modules linked in:
| [   50.131817][   T67] Tainted: [W]=WARN
[   50.131907][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.132057][   T67] Workqueue: netns cleanup_net
[   50.133079][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.133347][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.133774][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   50.133922][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f635380 RCX: 1ff4000000090ed5
[   50.134097][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f63543c
[   50.134363][   T67] RBP: ff1100000f341000 R08: 1fe2200001ec6a89 R09: ff110000091a8bd0
[   50.134551][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.134731][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.134911][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.135181][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.135330][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162001 CR4: 0000000000771ef0
[   50.135516][   T67] PKRU: 55555554
[   50.135604][   T67] Call Trace:
[   50.135692][   T67]  <TASK>
[   50.135754][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.135906][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.136056][   T67]  ? 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)
[   50.136266][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.136384][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.136543][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.136665][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   50.136784][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.136903][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   50.137023][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.137191][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.137309][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.137428][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.137553][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.137673][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.137791][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.137909][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.138030][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.138197][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.138323][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.138446][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.138572][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.138695][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.138819][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.138938][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.139056][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.139225][   T67]  kthread (kernel/kthread.c:436)
[   50.139320][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.139470][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.139594][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.139712][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.139860][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.139980][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.140104][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.185291][   T67] ------------[ cut here ]------------
| [   50.185428][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.185671][   T67] Modules linked in:
| [   50.186043][   T67] Tainted: [W]=WARN
[   50.186141][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.186290][   T67] Workqueue: netns cleanup_net
[   50.186412][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.186574][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.187000][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.187187][   T67] RAX: 00000000ffffffa6 RBX: ff1100000fc87700 RCX: 1ff4000000090eed
[   50.187360][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc877bc
[   50.187551][   T67] RBP: ff11000009bcc000 R08: 1fe2200001f90ef9 R09: ff110000091a8bd0
[   50.187725][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.187898][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.188159][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.188385][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.188547][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   50.188724][   T67] PKRU: 55555554
[   50.188813][   T67] Call Trace:
[   50.188900][   T67]  <TASK>
[   50.188962][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.189125][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.189273][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.189393][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.189519][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.189636][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.189756][   T67]  ? 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)
[   50.189875][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.189995][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.190111][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.190241][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.190360][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.190478][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.190602][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.190718][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.190836][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.190957][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.191078][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.191209][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.191334][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.191451][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.191575][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.191690][   T67]  kthread (kernel/kthread.c:436)
[   50.191777][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.191920][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.192039][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.192159][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.192305][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.192421][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.192544][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.195670][   T67] ------------[ cut here ]------------
| [   50.195847][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.196093][   T67] Modules linked in:
| [   50.196470][   T67] Tainted: [W]=WARN
[   50.196562][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.196707][   T67] Workqueue: netns cleanup_net
[   50.196829][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.196982][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.197415][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.197566][   T67] RAX: 00000000ffffffa6 RBX: ff1100000962fe00 RCX: 1ff4000000090eed
[   50.197743][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962febc
[   50.197914][   T67] RBP: ff11000010101000 R08: 1fe22000012c5fd9 R09: ff110000091a8bd0
[   50.198092][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.198342][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.198525][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.198729][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.198878][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   50.199053][   T67] PKRU: 55555554
[   50.199227][   T67] Call Trace:
[   50.199317][   T67]  <TASK>
[   50.199379][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.199580][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.199726][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.199845][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.199964][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.200080][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.200246][   T67]  ? 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)
[   50.200365][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.200484][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.200606][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.200726][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.200845][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.200961][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.201078][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.201241][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.201359][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.201478][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.201599][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.201723][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.201841][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.201957][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.202074][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.202236][   T67]  kthread (kernel/kthread.c:436)
[   50.202325][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.202469][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.202590][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.202709][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.202854][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.202970][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.203087][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.206168][   T67] ------------[ cut here ]------------
| [   50.206303][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   50.206542][   T67] Modules linked in:
| [   50.206907][   T67] Tainted: [W]=WARN
[   50.206995][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.207152][   T67] Workqueue: netns cleanup_net
[   50.207279][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.207439][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.207865][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.208014][   T67] RAX: 00000000ffffffa6 RBX: ff1100000fd1c580 RCX: 1ff4000000090eed
[   50.208195][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fd1c63c
[   50.208374][   T67] RBP: ff1100000ff51000 R08: 1fe2200001fa38c9 R09: ff110000091a8bd0
[   50.208555][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.208736][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.208916][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   50.209179][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.209332][   T67] CR2: 000055d1a1540bd8 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   50.209514][   T67] PKRU: 55555554
[   50.209614][   T67] Call Trace:
[   50.209703][   T67]  <TASK>
[   50.209766][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.209919][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.210067][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.210190][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.210312][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.210429][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.210551][   T67]  ? 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)
[   50.210672][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.210794][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.210913][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.211035][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.211160][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.211278][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.211400][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.211522][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.211640][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.211761][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.211878][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.211999][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.212123][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.212241][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.212362][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.212476][   T67]  kthread (kernel/kthread.c:436)
[   50.212573][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.212720][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.212839][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.212959][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.213107][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.213231][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.213352][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.215362][   T67] ------------[ cut here ]------------
| [   50.215478][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   50.215719][   T67] Modules linked in:
| [   50.216079][   T67] Tainted: [W]=WARN
[   50.216604][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.216805][   T67] Workqueue: netns cleanup_net
[   50.216929][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.217087][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.217566][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.217723][   T67] RAX: 00000000ffffffa6 RBX: ff1100000fd1c900 RCX: 1ff4000000090eed
[   50.217896][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fd1c9bc
[   50.218070][   T67] RBP: ff11000009c01000 R08: 1fe2200001fa3939 R09: ff110000091a8bd0
[   50.218298][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.218473][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.218654][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   50.218859][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.219013][   T67] CR2: 000055d1a1540bd8 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   50.219212][   T67] PKRU: 55555554
[   50.219300][   T67] Call Trace:
[   50.219387][   T67]  <TASK>
[   50.219449][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.219606][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.219752][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.219872][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.219990][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.220107][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.220229][   T67]  ? 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)
[   50.220347][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.220467][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.220589][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.220707][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.220825][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.220940][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.221057][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.221179][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.221298][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.221419][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.221547][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.221669][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.221788][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.221904][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.222024][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.222145][   T67]  kthread (kernel/kthread.c:436)
[   50.222233][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.222379][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.222501][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.222624][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.222770][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.222887][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.223006][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.224963][   T67] ------------[ cut here ]------------
| [   50.225079][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   50.225313][   T67] Modules linked in:
| [   50.225681][   T67] Tainted: [W]=WARN
[   50.225770][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.225914][   T67] Workqueue: netns cleanup_net
[   50.226035][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.226393][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.226820][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   50.226967][   T67] RAX: 00000000ffffffa6 RBX: ff1100000fd1cc80 RCX: 1ff4000000090eed
[   50.227245][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fd1cd3c
[   50.227523][   T67] RBP: ff1100000839c000 R08: 1fe2200001fa39a9 R09: ff110000091a8bd0
[   50.227699][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.227872][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.228047][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   50.228344][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.228498][   T67] CR2: 000055d1a1540bd8 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   50.228672][   T67] PKRU: 55555554
[   50.228759][   T67] Call Trace:
[   50.228845][   T67]  <TASK>
[   50.228906][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.229054][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.229290][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   50.229411][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   50.229543][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.229658][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   50.229774][   T67]  ? 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)
[   50.229891][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.230010][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.230214][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.230335][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.230455][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.230578][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.230696][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.230812][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.230929][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.231051][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.231261][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.231385][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.231516][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.231638][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.231757][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.231874][   T67]  kthread (kernel/kthread.c:436)
[   50.231962][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.232108][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.232282][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.232404][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.232560][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.232680][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.232798][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.249982][   T67] ------------[ cut here ]------------
| [   50.250132][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   50.250376][   T67] Modules linked in:
| [   50.250764][   T67] Tainted: [W]=WARN
[   50.250857][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.251014][   T67] Workqueue: netns cleanup_net
[   50.251155][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.251315][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.251767][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   50.251920][   T67] RAX: 00000000ffffffa6 RBX: ff1100000fd1ce40 RCX: 1ff4000000090eaf
[   50.252105][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fd1cefc
[   50.252299][   T67] RBP: ff1100001045c000 R08: 1fe2200001fa39e1 R09: ff110000091a8bd0
[   50.252484][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   50.252681][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   50.252865][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   50.253085][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.253250][   T67] CR2: 00007ffe8f110558 CR3: 0000000010162006 CR4: 0000000000771ef0
[   50.253434][   T67] PKRU: 55555554
[   50.253532][   T67] Call Trace:
[   50.253623][   T67]  <TASK>
[   50.253688][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.253814][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.253910][   T67]  netif_close_many (net/core/dev.c:1804)
[   50.254032][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.254160][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.254283][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.254404][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   50.254532][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   50.254691][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.254846][   T67]  ? 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)
[   50.254969][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.255091][   T67]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   50.255222][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.255377][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.255508][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.255631][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   50.255754][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.255877][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   50.256003][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.256132][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.256255][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.256380][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.256507][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.256628][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.256751][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.256874][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.256999][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.257131][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.257254][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.257382][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.257511][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.257635][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.257761][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.257885][   T67]  kthread (kernel/kthread.c:436)
[   50.257982][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.258141][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.258268][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.258393][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.258552][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.258676][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.258803][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.261150][   T67] ------------[ cut here ]------------
| [   50.261286][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   50.261528][   T67] Modules linked in:
| [   50.261888][   T67] Tainted: [W]=WARN
[   50.261982][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.262144][   T67] Workqueue: netns cleanup_net
[   50.262271][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.262428][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.262858][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   50.263011][   T67] RAX: 00000000ffffffa6 RBX: ff1100000962f700 RCX: 1ff4000000090ed5
[   50.263204][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962f7bc
[   50.263385][   T67] RBP: ff1100001045c000 R08: 1fe22000012c5ef9 R09: ff110000091a8bd0
[   50.263562][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.263741][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.263924][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.264149][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.264302][   T67] CR2: 00007fbaed728000 CR3: 0000000077f4d004 CR4: 0000000000771ef0
[   50.264481][   T67] PKRU: 55555554
[   50.264572][   T67] Call Trace:
[   50.264658][   T67]  <TASK>
[   50.264720][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.264869][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   50.265026][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.265165][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.265285][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   50.265404][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   50.265525][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   50.265645][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.265764][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   50.265887][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.266009][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   50.266138][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.266257][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   50.266374][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.266496][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.266615][   T67]  process_one_work (kernel/workqueue.c:3314)
[   50.266738][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.266858][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.266982][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.267101][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.267224][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.267344][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.267461][   T67]  kthread (kernel/kthread.c:436)
[   50.267555][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.267703][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.267827][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.267946][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.268092][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.268214][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.268332][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.486729][  T855] ------------[ cut here ]------------
| [   50.487022][  T855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/855
| [   50.487661][  T855] Modules linked in:
| [   50.488333][  T855] Tainted: [W]=WARN
[   50.488541][  T855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.488835][  T855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.489156][  T855] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.489902][  T855] RSP: 0018:ffa0000002137a80 EFLAGS: 00010286
[   50.490216][  T855] RAX: 00000000ffffffa6 RBX: ff110000053f0900 RCX: 1ff4000000426f16
[   50.490564][  T855] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f09bc
[   50.490902][  T855] RBP: ff1100000d97c000 R08: 1fe2200000a7e139 R09: ff1100000ff8ae80
[   50.491257][  T855] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.491604][  T855] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d97c000
[   50.491947][  T855] FS:  00007f79568d7840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   50.492356][  T855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.492663][  T855] CR2: 00007f7956ae17d0 CR3: 00000000101c7006 CR4: 0000000000771ef0
[   50.493024][  T855] PKRU: 55555554
[   50.493231][  T855] Call Trace:
[   50.493419][  T855]  <TASK>
[   50.493582][  T855]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.493814][  T855]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.494055][  T855]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.494265][  T855]  register_netdevice (net/core/dev.c:11488)
[   50.494517][  T855]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.494814][  T855]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.495057][  T855]  register_netdev (net/core/dev.c:11552)
[   50.495305][  T855]  loopback_net_init (drivers/net/loopback.c:218)
[   50.495483][  T855]  ops_init (net/core/net_namespace.c:137)
[   50.495641][  T855]  setup_net (net/core/net_namespace.c:446)
[   50.495784][  T855]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.495958][  T855]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.496147][  T855]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.496326][  T855]  copy_net_ns (net/core/net_namespace.c:579)
[   50.496510][  T855]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.496688][  T855]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.496862][  T855]  ksys_unshare (kernel/fork.c:3243)
[   50.497036][  T855]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.497226][  T855]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.497400][  T855]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.497590][  T855]  ? __ia32_sys_open (fs/open.c:1374)
[   50.497768][  T855]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.497940][  T855]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.498112][  T855]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.498300][  T855]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.498473][  T855]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.498696][  T855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.498949][  T855] RIP: 0033:0x7f7956b99bcb
[   50.499189][  T855] 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
[   50.499774][  T855] RSP: 002b:00007ffce5a9f5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   50.500111][  T855] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7956b99bcb
[   50.500386][  T855] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.500631][  T855] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.500866][  T855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce5aa17e0
[   50.501107][  T855] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce5aa388a
| [   50.506089][  T855] ------------[ cut here ]------------
| [   50.506276][  T855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/855
| [   50.506555][  T855] Modules linked in:
| [   50.507018][  T855] Tainted: [W]=WARN
[   50.507172][  T855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.507377][  T855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.507602][  T855] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.508109][  T855] RSP: 0018:ffa0000002137918 EFLAGS: 00010286
[   50.508331][  T855] RAX: 00000000ffffffa6 RBX: ff1100000de07700 RCX: 1ff4000000426ee9
[   50.508577][  T855] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de077bc
[   50.508817][  T855] RBP: ff11000008b39000 R08: 1fe2200001bc0ef9 R09: ff1100000ff8ae80
[   50.509052][  T855] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.509301][  T855] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b39000
[   50.509549][  T855] FS:  00007f79568d7840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   50.509824][  T855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.510034][  T855] CR2: 00007f7956ae17d0 CR3: 00000000101c7006 CR4: 0000000000771ef0
[   50.510288][  T855] PKRU: 55555554
[   50.510432][  T855] Call Trace:
[   50.510587][  T855]  <TASK>
[   50.510702][  T855]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.510881][  T855]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.511060][  T855]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.511217][  T855]  register_netdevice (net/core/dev.c:11488)
[   50.511395][  T855]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.511612][  T855]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.511792][  T855]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   50.511969][  T855]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   50.512155][  T855]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   50.512336][  T855]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   50.512523][  T855]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   50.512703][  T855]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   50.512882][  T855]  ops_init (net/core/net_namespace.c:137)
[   50.513029][  T855]  setup_net (net/core/net_namespace.c:446)
[   50.513187][  T855]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.513361][  T855]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.513544][  T855]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.513730][  T855]  copy_net_ns (net/core/net_namespace.c:579)
[   50.513908][  T855]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.514087][  T855]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.514273][  T855]  ksys_unshare (kernel/fork.c:3243)
[   50.514450][  T855]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.514634][  T855]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.514810][  T855]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.514990][  T855]  ? __ia32_sys_open (fs/open.c:1374)
[   50.515180][  T855]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.515353][  T855]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.515536][  T855]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.515712][  T855]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.515889][  T855]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.516066][  T855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.516284][  T855] RIP: 0033:0x7f7956b99bcb
[   50.516468][  T855] 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
[   50.516977][  T855] RSP: 002b:00007ffce5a9f5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   50.517231][  T855] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7956b99bcb
[   50.517472][  T855] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.517720][  T855] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.517958][  T855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce5aa17e0
[   50.518210][  T855] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce5aa388a
| [   50.522546][  T855] ------------[ cut here ]------------
| [   50.522787][  T855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/855
| [   50.523187][  T855] Modules linked in:
| [   50.523737][  T855] Tainted: [W]=WARN
[   50.523884][  T855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.524093][  T855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.524325][  T855] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.524850][  T855] RSP: 0018:ffa00000021378f8 EFLAGS: 00010286
[   50.525064][  T855] RAX: 00000000ffffffa6 RBX: ff1100000a094900 RCX: 1ff4000000426ee5
[   50.525320][  T855] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0949bc
[   50.525570][  T855] RBP: ff1100000fc14000 R08: 1fe2200001412939 R09: ff1100000ff8ae80
[   50.525812][  T855] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.526052][  T855] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc14000
[   50.526310][  T855] FS:  00007f79568d7840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   50.526601][  T855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.526812][  T855] CR2: 00007f7956ae17d0 CR3: 00000000101c7006 CR4: 0000000000771ef0
[   50.527054][  T855] PKRU: 55555554
[   50.527211][  T855] Call Trace:
[   50.527356][  T855]  <TASK>
[   50.527474][  T855]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.527664][  T855]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.527846][  T855]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.527994][  T855]  register_netdevice (net/core/dev.c:11488)
[   50.528188][  T855]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.528398][  T855]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.528587][  T855]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   50.528767][  T855]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   50.528944][  T855]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   50.529171][  T855]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   50.529352][  T855]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   50.529540][  T855]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   50.529722][  T855]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.529903][  T855]  vti_init_net (net/ipv4/ip_vti.c:517)
[   50.530084][  T855]  ops_init (net/core/net_namespace.c:137)
[   50.530244][  T855]  setup_net (net/core/net_namespace.c:446)
[   50.530392][  T855]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.530582][  T855]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.530763][  T855]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.530945][  T855]  copy_net_ns (net/core/net_namespace.c:579)
[   50.531137][  T855]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.531318][  T855]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.531505][  T855]  ksys_unshare (kernel/fork.c:3243)
[   50.531686][  T855]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.531870][  T855]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.532051][  T855]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.532245][  T855]  ? __ia32_sys_open (fs/open.c:1374)
[   50.532428][  T855]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.532617][  T855]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.532799][  T855]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.532977][  T855]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.533168][  T855]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.533352][  T855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.533570][  T855] RIP: 0033:0x7f7956b99bcb
[   50.533756][  T855] 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
[   50.534306][  T855] RSP: 002b:00007ffce5a9f5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   50.534663][  T855] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7956b99bcb
[   50.535009][  T855] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.535341][  T855] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.535594][  T855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce5aa17e0
[   50.535935][  T855] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce5aa388a
| [   50.541276][  T855] ------------[ cut here ]------------
| [   50.541457][  T855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/855
| [   50.541814][  T855] Modules linked in:
| [   50.542285][  T855] Tainted: [W]=WARN
[   50.542524][  T855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.542745][  T855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.542963][  T855] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.543482][  T855] RSP: 0018:ffa0000002137a78 EFLAGS: 00010286
[   50.543704][  T855] RAX: 00000000ffffffa6 RBX: ff1100000a094580 RCX: 1ff4000000426f15
[   50.544037][  T855] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a09463c
[   50.544289][  T855] RBP: ff1100000f624000 R08: 1fe22000014128c9 R09: ff1100000ff8ae80
[   50.544622][  T855] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.544862][  T855] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f624000
[   50.545108][  T855] FS:  00007f79568d7840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   50.545483][  T855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.545704][  T855] CR2: 00007f7956ae17d0 CR3: 00000000101c7006 CR4: 0000000000771ef0
[   50.545947][  T855] PKRU: 55555554
[   50.546189][  T855] Call Trace:
[   50.546334][  T855]  <TASK>
[   50.546452][  T855]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.546640][  T855]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.546820][  T855]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.547052][  T855]  register_netdevice (net/core/dev.c:11488)
[   50.547245][  T855]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.547452][  T855]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.547640][  T855]  register_netdev (net/core/dev.c:11552)
[   50.547909][  T855]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   50.548088][  T855]  ops_init (net/core/net_namespace.c:137)
[   50.548250][  T855]  setup_net (net/core/net_namespace.c:446)
[   50.548398][  T855]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.548668][  T855]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.548847][  T855]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.549027][  T855]  copy_net_ns (net/core/net_namespace.c:579)
[   50.549221][  T855]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.549483][  T855]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.549670][  T855]  ksys_unshare (kernel/fork.c:3243)
[   50.549847][  T855]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.550024][  T855]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.550300][  T855]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.550478][  T855]  ? __ia32_sys_open (fs/open.c:1374)
[   50.550679][  T855]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.550856][  T855]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.551131][  T855]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.551309][  T855]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.551487][  T855]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.551673][  T855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.551964][  T855] RIP: 0033:0x7f7956b99bcb
[   50.552162][  T855] 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
[   50.552768][  T855] RSP: 002b:00007ffce5a9f5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   50.553011][  T855] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7956b99bcb
[   50.553349][  T855] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.553601][  T855] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.553841][  T855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce5aa17e0
[   50.554181][  T855] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce5aa388a
| [   50.559569][  T855] ------------[ cut here ]------------
| [   50.559745][  T855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/855
| [   50.560100][  T855] Modules linked in:
| [   50.560734][  T855] Tainted: [W]=WARN
[   50.560925][  T855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.561151][  T855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.561368][  T855] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.561986][  T855] RSP: 0018:ffa0000002137a68 EFLAGS: 00010286
[   50.562213][  T855] RAX: 00000000ffffffa6 RBX: ff1100000962fa80 RCX: 1ff4000000426f13
[   50.562454][  T855] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962fb3c
[   50.562712][  T855] RBP: ff11000008911000 R08: 1fe22000012c5f69 R09: ff1100000ff8ae80
[   50.563044][  T855] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.563294][  T855] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008911000
[   50.563546][  T855] FS:  00007f79568d7840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   50.563919][  T855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.564148][  T855] CR2: 00007f7956ae17d0 CR3: 00000000101c7006 CR4: 0000000000771ef0
[   50.564480][  T855] PKRU: 55555554
[   50.564634][  T855] Call Trace:
[   50.564778][  T855]  <TASK>
[   50.564891][  T855]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.565069][  T855]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.565343][  T855]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.565500][  T855]  register_netdevice (net/core/dev.c:11488)
[   50.565683][  T855]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.565894][  T855]  register_netdev (net/core/dev.c:11552)
[   50.566252][  T855]  sit_init_net (net/ipv6/sit.c:1860)
[   50.566514][  T855]  ops_init (net/core/net_namespace.c:137)
[   50.566721][  T855]  setup_net (net/core/net_namespace.c:446)
[   50.566926][  T855]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.567161][  T855]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.567434][  T855]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.567628][  T855]  copy_net_ns (net/core/net_namespace.c:579)
[   50.567810][  T855]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.567989][  T855]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.568265][  T855]  ksys_unshare (kernel/fork.c:3243)
[   50.568444][  T855]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.568632][  T855]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.568813][  T855]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.569077][  T855]  ? __ia32_sys_open (fs/open.c:1374)
[   50.569269][  T855]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.569445][  T855]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.569633][  T855]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.569895][  T855]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.570075][  T855]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.570266][  T855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.570480][  T855] RIP: 0033:0x7f7956b99bcb
[   50.570760][  T855] 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
[   50.571375][  T855] RSP: 002b:00007ffce5a9f5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   50.571635][  T855] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7956b99bcb
[   50.571875][  T855] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.572212][  T855] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.572453][  T855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce5aa17e0
[   50.572702][  T855] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce5aa388a
| [   50.579348][  T855] ------------[ cut here ]------------
| [   50.579506][  T855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/855
| [   50.579742][  T855] Modules linked in:
| [   50.580110][  T855] Tainted: [W]=WARN
[   50.580226][  T855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.580389][  T855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.580569][  T855] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.581053][  T855] RSP: 0018:ffa0000002137a78 EFLAGS: 00010286
[   50.581309][  T855] RAX: 00000000ffffffa6 RBX: ff1100000f6718c0 RCX: 1ff4000000426f15
[   50.581513][  T855] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f67197c
[   50.581707][  T855] RBP: ff1100000ffa9000 R08: 1fe2200001ece331 R09: ff1100000ff8ae80
[   50.581900][  T855] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.582094][  T855] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffa9000
[   50.582296][  T855] FS:  00007f79568d7840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.582534][  T855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.582699][  T855] CR2: 00007fd2b2134574 CR3: 00000000101c7006 CR4: 0000000000771ef0
[   50.582898][  T855] PKRU: 55555554
[   50.582996][  T855] Call Trace:
[   50.583093][  T855]  <TASK>
[   50.583167][  T855]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.583300][  T855]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.583430][  T855]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.583536][  T855]  register_netdevice (net/core/dev.c:11488)
[   50.583667][  T855]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.583829][  T855]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.583962][  T855]  register_netdev (net/core/dev.c:11552)
[   50.584090][  T855]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   50.584228][  T855]  ops_init (net/core/net_namespace.c:137)
[   50.584327][  T855]  setup_net (net/core/net_namespace.c:446)
[   50.584426][  T855]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.584562][  T855]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.584693][  T855]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.584825][  T855]  copy_net_ns (net/core/net_namespace.c:579)
[   50.584956][  T855]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.585093][  T855]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.585227][  T855]  ksys_unshare (kernel/fork.c:3243)
[   50.585357][  T855]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.585485][  T855]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.585621][  T855]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.585752][  T855]  ? __ia32_sys_open (fs/open.c:1374)
[   50.585883][  T855]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.586016][  T855]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.586152][  T855]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.586282][  T855]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.586413][  T855]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.586568][  T855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.586730][  T855] RIP: 0033:0x7f7956b99bcb
[   50.586865][  T855] 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
[   50.587331][  T855] RSP: 002b:00007ffce5a9f5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   50.587533][  T855] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7956b99bcb
[   50.587727][  T855] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.587923][  T855] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.588122][  T855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce5aa17e0
[   50.588316][  T855] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce5aa388a
| [   50.621737][  T856] ------------[ cut here ]------------
| [   50.621914][  T856] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/856
| [   50.622148][  T856] Modules linked in:
| [   50.622520][  T856] Tainted: [W]=WARN
[   50.622617][  T856] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.622782][  T856] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.622955][  T856] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.623426][  T856] RSP: 0018:ffa0000002147020 EFLAGS: 00010286
[   50.623598][  T856] RAX: 00000000ffffffa6 RBX: ff1100000ba0e200 RCX: 1ff4000000428dca
[   50.623792][  T856] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0e2bc
[   50.623989][  T856] RBP: ff1100000d97c000 R08: 1fe2200001741c59 R09: ff1100000ff6ae58
[   50.624191][  T856] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   50.624385][  T856] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   50.624588][  T856] FS:  00007fd32738c840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   50.624815][  T856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.624982][  T856] CR2: 000000003824c988 CR3: 000000000f1d7004 CR4: 0000000000771ef0
[   50.625182][  T856] PKRU: 55555554
[   50.625282][  T856] Call Trace:
[   50.625379][  T856]  <TASK>
[   50.625447][  T856]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.625588][  T856]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.625686][  T856]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.625817][  T856]  __dev_notify_flags (net/core/dev.c:9787)
[   50.625948][  T856]  ? netif_change_name (net/core/dev.c:1495)
[   50.626080][  T856]  ? __dev_change_flags (net/core/dev.c:9752)
[   50.626217][  T856]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   50.626346][  T856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.626476][  T856]  ? 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))
[   50.626640][  T856]  netif_change_flags (net/core/dev.c:9820)
[   50.626775][  T856]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.626905][  T856]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   50.627036][  T856]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.627171][  T856]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.627333][  T856]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.627464][  T856]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.627603][  T856]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.627732][  T856]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.627863][  T856]  ? __kernel_text_address (kernel/extable.c:79)
[   50.627999][  T856]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.628135][  T856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.628266][  T856]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.628399][  T856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.628537][  T856]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.628709][  T856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.628900][  T856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.629058][  T856]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.629198][  T856]  ? __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)
[   50.629330][  T856]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.629460][  T856]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.629598][  T856]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.629732][  T856]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.629867][  T856]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.630004][  T856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.630141][  T856]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.630271][  T856]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.630402][  T856]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.630538][  T856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.630672][  T856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.630805][  T856]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.630934][  T856]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.631066][  T856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.631202][  T856]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.631348][  T856]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.631479][  T856]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.631616][  T856]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.631746][  T856]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.631879][  T856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.632008][  T856]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.632143][  T856]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.632274][  T856]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.632406][  T856]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.632546][  T856]  ? 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))
[   50.632676][  T856]  ? 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))
[   50.632811][  T856]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.632943][  T856]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.633074][  T856]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.633212][  T856]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.633343][  T856]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.633505][  T856]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.633647][  T856]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.633785][  T856]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.633926][  T856]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.634095][  T856]  ? move_addr_to_kernel (net/socket.c:258)
[   50.634231][  T856]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.634360][  T856]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.634499][  T856]  ___sys_sendmsg (net/socket.c:2752)
[   50.634629][  T856]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.634791][  T856]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.634935][  T856]  __sys_sendmsg (net/socket.c:2784)
[   50.635066][  T856]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.635206][  T856]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.635370][  T856]  ? 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)
[   50.635505][  T856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.635637][  T856]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.635767][  T856]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.635902][  T856]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.636032][  T856]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.636195][  T856] RIP: 0033:0x7fd3275c608e
[   50.636333][  T856] 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
[   50.636805][  T856] RSP: 002b:00007ffcf55775b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.637002][  T856] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3275c608e
[   50.637203][  T856] RDX: 0000000000000000 RSI: 00007ffcf5577660 RDI: 0000000000000005
[   50.637408][  T856] RBP: 00007ffcf55775c0 R08: 0000000000000000 R09: 0000000000000000
[   50.637608][  T856] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32a
[   50.637804][  T856] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf5577d30
| [   50.844145][  T864] ------------[ cut here ]------------
| [   50.844325][  T864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/864
| [   50.844567][  T864] Modules linked in:
| [   50.844947][  T864] Tainted: [W]=WARN
[   50.845051][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.845224][  T864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.845399][  T864] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.845874][  T864] RSP: 0018:ffa00000021b7a80 EFLAGS: 00010286
[   50.846040][  T864] RAX: 00000000ffffffa6 RBX: ff110000029ba200 RCX: 1ff4000000436f16
[   50.846244][  T864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029ba2bc
[   50.846442][  T864] RBP: ff11000006291000 R08: 1fe2200000537459 R09: ff1100000f282e80
[   50.846641][  T864] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.846836][  T864] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006291000
[   50.847038][  T864] FS:  00007f015ad94840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   50.847279][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.847447][  T864] CR2: 00007f015afa0690 CR3: 000000000fd0f003 CR4: 0000000000771ef0
[   50.847650][  T864] PKRU: 55555554
[   50.847750][  T864] Call Trace:
[   50.847853][  T864]  <TASK>
[   50.847922][  T864]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.848058][  T864]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.848196][  T864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.848298][  T864]  register_netdevice (net/core/dev.c:11488)
[   50.848433][  T864]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.848603][  T864]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.848737][  T864]  register_netdev (net/core/dev.c:11552)
[   50.848867][  T864]  loopback_net_init (drivers/net/loopback.c:218)
[   50.849000][  T864]  ops_init (net/core/net_namespace.c:137)
[   50.849104][  T864]  setup_net (net/core/net_namespace.c:446)
[   50.849211][  T864]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.849342][  T864]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.849476][  T864]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.849617][  T864]  copy_net_ns (net/core/net_namespace.c:579)
[   50.849754][  T864]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.849888][  T864]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.850021][  T864]  ksys_unshare (kernel/fork.c:3243)
[   50.850230][  T864]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.850364][  T864]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.850501][  T864]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.850635][  T864]  ? __ia32_sys_open (fs/open.c:1374)
[   50.850769][  T864]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.850900][  T864]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.851033][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.851232][  T864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.851419][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.851558][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.851722][  T864] RIP: 0033:0x7f015b056bcb
[   50.851864][  T864] 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
[   50.852391][  T864] RSP: 002b:00007ffc7abe27a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.852594][  T864] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f015b056bcb
[   50.852792][  T864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.852986][  T864] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.853194][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7abe49d0
[   50.853391][  T864] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7abe688a
| [   50.857650][  T864] ------------[ cut here ]------------
| [   50.857789][  T864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/864
| [   50.858013][  T864] Modules linked in:
| [   50.858390][  T864] Tainted: [W]=WARN
[   50.858489][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.858658][  T864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.858826][  T864] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.859380][  T864] RSP: 0018:ffa00000021b7918 EFLAGS: 00010286
[   50.859550][  T864] RAX: 00000000ffffffa6 RBX: ff11000009aec040 RCX: 1ff4000000436ee9
[   50.859747][  T864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aec0fc
[   50.859941][  T864] RBP: ff11000008fc4000 R08: 1fe220000135d821 R09: ff1100000f282e80
[   50.860141][  T864] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.860333][  T864] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008fc4000
[   50.860532][  T864] FS:  00007f015ad94840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   50.860777][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.860940][  T864] CR2: 00007f015afa0690 CR3: 000000000fd0f003 CR4: 0000000000771ef0
[   50.861140][  T864] PKRU: 55555554
[   50.861237][  T864] Call Trace:
[   50.861334][  T864]  <TASK>
[   50.861402][  T864]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.861538][  T864]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.861671][  T864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.861771][  T864]  register_netdevice (net/core/dev.c:11488)
[   50.861904][  T864]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.862065][  T864]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.862200][  T864]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   50.862332][  T864]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   50.862462][  T864]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   50.862600][  T864]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   50.862731][  T864]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   50.862862][  T864]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   50.862995][  T864]  ops_init (net/core/net_namespace.c:137)
[   50.863095][  T864]  setup_net (net/core/net_namespace.c:446)
[   50.863197][  T864]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.863328][  T864]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.863458][  T864]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.863598][  T864]  copy_net_ns (net/core/net_namespace.c:579)
[   50.863728][  T864]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.863862][  T864]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.863993][  T864]  ksys_unshare (kernel/fork.c:3243)
[   50.864127][  T864]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.864258][  T864]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.864387][  T864]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.864526][  T864]  ? __ia32_sys_open (fs/open.c:1374)
[   50.864658][  T864]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.864786][  T864]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.864915][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.865045][  T864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.865182][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.865312][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.865472][  T864] RIP: 0033:0x7f015b056bcb
[   50.865614][  T864] 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
[   50.866074][  T864] RSP: 002b:00007ffc7abe27a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.866275][  T864] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f015b056bcb
[   50.866470][  T864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.866666][  T864] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.866858][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7abe49d0
[   50.867051][  T864] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7abe688a
| [   50.871974][  T864] ------------[ cut here ]------------
| [   50.872169][  T864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/864
| [   50.872450][  T864] Modules linked in:
| [   50.872917][  T864] Tainted: [W]=WARN
[   50.873063][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.873291][  T864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.873517][  T864] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.874033][  T864] RSP: 0018:ffa00000021b78f8 EFLAGS: 00010286
[   50.874261][  T864] RAX: 00000000ffffffa6 RBX: ff1100000dd438c0 RCX: 1ff4000000436ee5
[   50.874513][  T864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd4397c
[   50.874759][  T864] RBP: ff110000088f1000 R08: 1fe2200001ba8731 R09: ff1100000f282e80
[   50.875002][  T864] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.875259][  T864] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000088f1000
[   50.875509][  T864] FS:  00007f015ad94840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   50.875788][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.876001][  T864] CR2: 00007f02d26ce574 CR3: 000000000fd0f001 CR4: 0000000000771ef0
[   50.876260][  T864] PKRU: 55555554
[   50.876407][  T864] Call Trace:
[   50.876560][  T864]  <TASK>
[   50.876676][  T864]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.876855][  T864]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.877037][  T864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.877200][  T864]  register_netdevice (net/core/dev.c:11488)
[   50.877382][  T864]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.877599][  T864]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.877782][  T864]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   50.877962][  T864]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   50.878154][  T864]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   50.878338][  T864]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   50.878526][  T864]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   50.878708][  T864]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   50.878890][  T864]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.879072][  T864]  vti_init_net (net/ipv4/ip_vti.c:517)
[   50.879268][  T864]  ops_init (net/core/net_namespace.c:137)
[   50.879417][  T864]  setup_net (net/core/net_namespace.c:446)
[   50.879572][  T864]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.879754][  T864]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.879935][  T864]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.880131][  T864]  copy_net_ns (net/core/net_namespace.c:579)
[   50.880313][  T864]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.880502][  T864]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.880682][  T864]  ksys_unshare (kernel/fork.c:3243)
[   50.880863][  T864]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.881046][  T864]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.881235][  T864]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.881415][  T864]  ? __ia32_sys_open (fs/open.c:1374)
[   50.881604][  T864]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.881783][  T864]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.881961][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.882152][  T864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.882335][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.882521][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.882732][  T864] RIP: 0033:0x7f015b056bcb
[   50.882916][  T864] 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
[   50.883440][  T864] RSP: 002b:00007ffc7abe27a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.883693][  T864] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f015b056bcb
[   50.883936][  T864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.884191][  T864] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.884434][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7abe49d0
[   50.884690][  T864] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7abe688a
| [   50.889256][  T864] ------------[ cut here ]------------
| [   50.889435][  T864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/864
| [   50.889718][  T864] Modules linked in:
| [   50.890194][  T864] Tainted: [W]=WARN
[   50.890344][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.890561][  T864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.890777][  T864] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.891298][  T864] RSP: 0018:ffa00000021b7a78 EFLAGS: 00010286
[   50.891520][  T864] RAX: 00000000ffffffa6 RBX: ff1100000979c900 RCX: 1ff4000000436f15
[   50.891762][  T864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979c9bc
[   50.892002][  T864] RBP: ff1100000fe44000 R08: 1fe22000012f3939 R09: ff1100000f282e80
[   50.892258][  T864] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.892505][  T864] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe44000
[   50.892750][  T864] FS:  00007f015ad94840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   50.893023][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.893248][  T864] CR2: 00007f02d26ce574 CR3: 000000000fd0f001 CR4: 0000000000771ef0
[   50.893498][  T864] PKRU: 55555554
[   50.893646][  T864] Call Trace:
[   50.893792][  T864]  <TASK>
[   50.893906][  T864]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.894084][  T864]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.894273][  T864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.894420][  T864]  register_netdevice (net/core/dev.c:11488)
[   50.894605][  T864]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.894813][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.894999][  T864]  register_netdev (net/core/dev.c:11552)
[   50.895205][  T864]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   50.895387][  T864]  ops_init (net/core/net_namespace.c:137)
[   50.895543][  T864]  setup_net (net/core/net_namespace.c:446)
[   50.895689][  T864]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.895864][  T864]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.896042][  T864]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.896234][  T864]  copy_net_ns (net/core/net_namespace.c:579)
[   50.896422][  T864]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.896606][  T864]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.896784][  T864]  ksys_unshare (kernel/fork.c:3243)
[   50.896962][  T864]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.897152][  T864]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.897329][  T864]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.897515][  T864]  ? __ia32_sys_open (fs/open.c:1374)
[   50.897694][  T864]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.897871][  T864]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.898049][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.898237][  T864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.898414][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.898599][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.898808][  T864] RIP: 0033:0x7f015b056bcb
[   50.898993][  T864] 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
[   50.899520][  T864] RSP: 002b:00007ffc7abe27a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.899762][  T864] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f015b056bcb
[   50.900006][  T864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.900260][  T864] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.900506][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7abe49d0
[   50.900748][  T864] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7abe688a
| [   50.905501][  T864] ------------[ cut here ]------------
| [   50.905678][  T864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/864
| [   50.905950][  T864] Modules linked in:
| [   50.906420][  T864] Tainted: [W]=WARN
[   50.906570][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.906780][  T864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.906997][  T864] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.907525][  T864] RSP: 0018:ffa00000021b7a68 EFLAGS: 00010286
[   50.907739][  T864] RAX: 00000000ffffffa6 RBX: ff1100000daa03c0 RCX: 1ff4000000436f13
[   50.907981][  T864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa047c
[   50.908762][  T864] RBP: ff11000006161000 R08: 1fe2200001b54091 R09: ff1100000f282e80
[   50.909059][  T864] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.909371][  T864] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006161000
[   50.909688][  T864] FS:  00007f015ad94840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   50.910023][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.910300][  T864] CR2: 00007f02d26ce574 CR3: 000000000fd0f001 CR4: 0000000000771ef0
[   50.910604][  T864] PKRU: 55555554
[   50.910801][  T864] Call Trace:
[   50.910999][  T864]  <TASK>
[   50.911179][  T864]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.911410][  T864]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.911653][  T864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.911852][  T864]  register_netdevice (net/core/dev.c:11488)
[   50.912083][  T864]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.912358][  T864]  register_netdev (net/core/dev.c:11552)
[   50.912594][  T864]  sit_init_net (net/ipv6/sit.c:1860)
[   50.912826][  T864]  ops_init (net/core/net_namespace.c:137)
[   50.913027][  T864]  setup_net (net/core/net_namespace.c:446)
[   50.913243][  T864]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.913475][  T864]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.913717][  T864]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.913949][  T864]  copy_net_ns (net/core/net_namespace.c:579)
[   50.914194][  T864]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.914427][  T864]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.914670][  T864]  ksys_unshare (kernel/fork.c:3243)
[   50.914904][  T864]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.915151][  T864]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.915383][  T864]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.915623][  T864]  ? __ia32_sys_open (fs/open.c:1374)
[   50.915860][  T864]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.916091][  T864]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.916336][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.916574][  T864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.916812][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.917045][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.917317][  T864] RIP: 0033:0x7f015b056bcb
[   50.917562][  T864] 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
[   50.918143][  T864] RSP: 002b:00007ffc7abe27a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.918440][  T864] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f015b056bcb
[   50.918744][  T864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.919039][  T864] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.919350][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7abe49d0
[   50.919654][  T864] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7abe688a
| [   50.925267][  T864] ------------[ cut here ]------------
| [   50.925418][  T864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/864
| [   50.925653][  T864] Modules linked in:
| [   50.926019][  T864] Tainted: [W]=WARN
[   50.926125][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.926291][  T864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.926461][  T864] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.926926][  T864] RSP: 0018:ffa00000021b7a78 EFLAGS: 00010286
[   50.927094][  T864] RAX: 00000000ffffffa6 RBX: ff11000009922040 RCX: 1ff4000000436f15
[   50.927293][  T864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099220fc
[   50.927499][  T864] RBP: ff1100000b7d4000 R08: 1fe2200001324421 R09: ff1100000f282e80
[   50.927695][  T864] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   50.927890][  T864] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b7d4000
[   50.928088][  T864] FS:  00007f015ad94840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   50.928323][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.928486][  T864] CR2: 00007f79d273c2a0 CR3: 000000000fd0f003 CR4: 0000000000771ef0
[   50.928689][  T864] PKRU: 55555554
[   50.928787][  T864] Call Trace:
[   50.928883][  T864]  <TASK>
[   50.928953][  T864]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.929083][  T864]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.929226][  T864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.929327][  T864]  register_netdevice (net/core/dev.c:11488)
[   50.929460][  T864]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   50.929635][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.929769][  T864]  register_netdev (net/core/dev.c:11552)
[   50.929897][  T864]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   50.930028][  T864]  ops_init (net/core/net_namespace.c:137)
[   50.930132][  T864]  setup_net (net/core/net_namespace.c:446)
[   50.930233][  T864]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   50.930362][  T864]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   50.930497][  T864]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   50.930631][  T864]  copy_net_ns (net/core/net_namespace.c:579)
[   50.930764][  T864]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.930897][  T864]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.931028][  T864]  ksys_unshare (kernel/fork.c:3243)
[   50.931162][  T864]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.931294][  T864]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   50.931424][  T864]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   50.931563][  T864]  ? __ia32_sys_open (fs/open.c:1374)
[   50.931694][  T864]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.931822][  T864]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   50.931953][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.932081][  T864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.932217][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.932348][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.932514][  T864] RIP: 0033:0x7f015b056bcb
[   50.932652][  T864] 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
[   50.933123][  T864] RSP: 002b:00007ffc7abe27a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.933321][  T864] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f015b056bcb
[   50.933524][  T864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.933718][  T864] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.933913][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7abe49d0
[   50.934107][  T864] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7abe688a
| [   50.964858][  T865] ------------[ cut here ]------------
| [   50.965014][  T865] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/865
| [   50.965255][  T865] Modules linked in:
| [   50.965631][  T865] Tainted: [W]=WARN
[   50.965729][  T865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.965892][  T865] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.966061][  T865] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.966536][  T865] RSP: 0018:ffa00000021c7020 EFLAGS: 00010286
[   50.966702][  T865] RAX: 00000000ffffffa6 RBX: ff11000009aecc80 RCX: 1ff4000000438dca
[   50.966908][  T865] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aecd3c
[   50.967101][  T865] RBP: ff11000006291000 R08: 1fe220000135d9a9 R09: ff11000008e7d158
[   50.967299][  T865] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   50.967500][  T865] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   50.967696][  T865] FS:  00007f6019467840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   50.967925][  T865] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.968087][  T865] CR2: 0000000008b7f988 CR3: 0000000010993006 CR4: 0000000000771ef0
[   50.968293][  T865] PKRU: 55555554
[   50.968391][  T865] Call Trace:
[   50.968490][  T865]  <TASK>
[   50.968564][  T865]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.968697][  T865]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.968797][  T865]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.968927][  T865]  __dev_notify_flags (net/core/dev.c:9787)
[   50.969060][  T865]  ? netif_change_name (net/core/dev.c:1495)
[   50.969198][  T865]  ? __dev_change_flags (net/core/dev.c:9752)
[   50.969331][  T865]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   50.969461][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.969597][  T865]  ? 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))
[   50.969731][  T865]  netif_change_flags (net/core/dev.c:9820)
[   50.969864][  T865]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.969998][  T865]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   50.970667][  T865]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.970803][  T865]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.970967][  T865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.971098][  T865]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.971234][  T865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.971364][  T865]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.971502][  T865]  ? __kernel_text_address (kernel/extable.c:79)
[   50.971634][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.971768][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.971898][  T865]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.972031][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.972163][  T865]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.972293][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.972422][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.972561][  T865]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.972692][  T865]  ? __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)
[   50.972853][  T865]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.972984][  T865]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.973122][  T865]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.973256][  T865]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.973390][  T865]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.973529][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.973659][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.973792][  T865]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.973922][  T865]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.974051][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.974190][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.974320][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.974452][  T865]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.974592][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.974725][  T865]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.974856][  T865]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.974988][  T865]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.975124][  T865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.975254][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.975386][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.975521][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.975653][  T865]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.975784][  T865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.975916][  T865]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.976051][  T865]  ? 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))
[   50.976185][  T865]  ? 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))
[   50.976318][  T865]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.976448][  T865]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.976586][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.976718][  T865]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.976850][  T865]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.976983][  T865]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.977122][  T865]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.977256][  T865]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.977387][  T865]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.977557][  T865]  ? move_addr_to_kernel (net/socket.c:258)
[   50.977691][  T865]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.977821][  T865]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.977955][  T865]  ___sys_sendmsg (net/socket.c:2752)
[   50.978085][  T865]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.978258][  T865]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.978400][  T865]  __sys_sendmsg (net/socket.c:2784)
[   50.978539][  T865]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.978671][  T865]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.978835][  T865]  ? 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)
[   50.978967][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.979098][  T865]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.979234][  T865]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.979364][  T865]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.979499][  T865]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.979664][  T865] RIP: 0033:0x7f60196a108e
[   50.979801][  T865] 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
[   50.980270][  T865] RSP: 002b:00007ffd3f353ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.980467][  T865] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f60196a108e
[   50.980669][  T865] RDX: 0000000000000000 RSI: 00007ffd3f353b60 RDI: 0000000000000005
[   50.980864][  T865] RBP: 00007ffd3f353ac0 R08: 0000000000000000 R09: 0000000000000000
[   50.981060][  T865] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32b
[   50.981258][  T865] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3f354230
| [   51.175525][  T873] ------------[ cut here ]------------
| [   51.175704][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/873
| [   51.175943][  T873] Modules linked in:
| [   51.176898][  T873] Tainted: [W]=WARN
[   51.177001][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.177174][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.177353][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.177828][  T873] RSP: 0018:ffa0000002247a80 EFLAGS: 00010286
[   51.177996][  T873] RAX: 00000000ffffffa6 RBX: ff1100000d88bc40 RCX: 1ff4000000448f16
[   51.178198][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88bcfc
[   51.178396][  T873] RBP: ff110000088e9000 R08: 1fe2200001b117a1 R09: ff11000010402e80
[   51.178599][  T873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.178796][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000088e9000
[   51.178994][  T873] FS:  00007ffa5dae4840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   51.179233][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.179399][  T873] CR2: 00007ffa5dcf0690 CR3: 000000000f557004 CR4: 0000000000771ef0
[   51.179607][  T873] PKRU: 55555554
[   51.179707][  T873] Call Trace:
[   51.179806][  T873]  <TASK>
[   51.179874][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.180007][  T873]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.180145][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.180246][  T873]  register_netdevice (net/core/dev.c:11488)
[   51.180381][  T873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.180549][  T873]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   51.180682][  T873]  register_netdev (net/core/dev.c:11552)
[   51.180813][  T873]  loopback_net_init (drivers/net/loopback.c:218)
[   51.180945][  T873]  ops_init (net/core/net_namespace.c:137)
[   51.181045][  T873]  setup_net (net/core/net_namespace.c:446)
[   51.181153][  T873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   51.181287][  T873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   51.181420][  T873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   51.181561][  T873]  copy_net_ns (net/core/net_namespace.c:579)
[   51.181693][  T873]  create_new_namespaces (kernel/nsproxy.c:132)
[   51.181828][  T873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   51.181960][  T873]  ksys_unshare (kernel/fork.c:3243)
[   51.182092][  T873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.182229][  T873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   51.182361][  T873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   51.182500][  T873]  ? __ia32_sys_open (fs/open.c:1374)
[   51.182632][  T873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   51.182763][  T873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   51.182896][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.183029][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.183194][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.183325][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.183490][  T873] RIP: 0033:0x7ffa5dda6bcb
[   51.183634][  T873] 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
[   51.184102][  T873] RSP: 002b:00007fff3f19e5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   51.184307][  T873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa5dda6bcb
[   51.184511][  T873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   51.184709][  T873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   51.184904][  T873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3f1a07e0
[   51.185098][  T873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3f1a2886
| [   51.189356][  T873] ------------[ cut here ]------------
| [   51.189502][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/873
| [   51.189733][  T873] Modules linked in:
| [   51.190097][  T873] Tainted: [W]=WARN
[   51.190199][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.190363][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.190540][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.191003][  T873] RSP: 0018:ffa0000002247918 EFLAGS: 00010286
[   51.191177][  T873] RAX: 00000000ffffffa6 RBX: ff1100000979d8c0 RCX: 1ff4000000448ee9
[   51.191372][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d97c
[   51.191574][  T873] RBP: ff1100001040c000 R08: 1fe22000012f3b31 R09: ff11000010402e80
[   51.191768][  T873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.191962][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001040c000
[   51.192162][  T873] FS:  00007ffa5dae4840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   51.192391][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.192562][  T873] CR2: 00007ffa5dcf0690 CR3: 000000000f557004 CR4: 0000000000771ef0
[   51.192758][  T873] PKRU: 55555554
[   51.192857][  T873] Call Trace:
[   51.192955][  T873]  <TASK>
[   51.193023][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.193248][  T873]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.193382][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.193481][  T873]  register_netdevice (net/core/dev.c:11488)
[   51.193619][  T873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.193782][  T873]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   51.194001][  T873]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   51.194136][  T873]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   51.194264][  T873]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   51.194397][  T873]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   51.194620][  T873]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   51.194752][  T873]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   51.194884][  T873]  ops_init (net/core/net_namespace.c:137)
[   51.194984][  T873]  setup_net (net/core/net_namespace.c:446)
[   51.195174][  T873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   51.195304][  T873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   51.195437][  T873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   51.195574][  T873]  copy_net_ns (net/core/net_namespace.c:579)
[   51.195790][  T873]  create_new_namespaces (kernel/nsproxy.c:132)
[   51.195924][  T873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   51.196054][  T873]  ksys_unshare (kernel/fork.c:3243)
[   51.196190][  T873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.196408][  T873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   51.196545][  T873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   51.196676][  T873]  ? __ia32_sys_open (fs/open.c:1374)
[   51.196808][  T873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   51.197023][  T873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   51.197157][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.197286][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.197415][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.197636][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.197798][  T873] RIP: 0033:0x7ffa5dda6bcb
[   51.197933][  T873] 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
[   51.198397][  T873] RSP: 002b:00007fff3f19e5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   51.198599][  T873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa5dda6bcb
[   51.198882][  T873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   51.199075][  T873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   51.199358][  T873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3f1a07e0
[   51.199559][  T873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3f1a2886
| [   51.209141][  T873] ------------[ cut here ]------------
| [   51.209286][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/873
| [   51.209606][  T873] Modules linked in:
| [   51.210066][  T873] Tainted: [W]=WARN
[   51.210175][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.210339][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.210514][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.211075][  T873] RSP: 0018:ffa00000022478f8 EFLAGS: 00010286
[   51.211332][  T873] RAX: 00000000ffffffa6 RBX: ff110000091bce40 RCX: 1ff4000000448ee5
[   51.211536][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bcefc
[   51.211734][  T873] RBP: ff11000010261000 R08: 1fe22000012379e1 R09: ff11000010402e80
[   51.212017][  T873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.212222][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010261000
[   51.212421][  T873] FS:  00007ffa5dae4840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   51.212748][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.212913][  T873] CR2: 00007ffa5dcf0690 CR3: 000000000f557004 CR4: 0000000000771ef0
[   51.213205][  T873] PKRU: 55555554
[   51.213305][  T873] Call Trace:
[   51.213402][  T873]  <TASK>
[   51.213472][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.213609][  T873]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.213830][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.213930][  T873]  register_netdevice (net/core/dev.c:11488)
[   51.214063][  T873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.214229][  T873]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   51.214449][  T873]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   51.214588][  T873]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   51.214720][  T873]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   51.214855][  T873]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   51.215073][  T873]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   51.215215][  T873]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   51.215351][  T873]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.215484][  T873]  vti_init_net (net/ipv4/ip_vti.c:517)
[   51.215708][  T873]  ops_init (net/core/net_namespace.c:137)
[   51.215809][  T873]  setup_net (net/core/net_namespace.c:446)
[   51.215909][  T873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   51.216040][  T873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   51.216176][  T873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   51.216395][  T873]  copy_net_ns (net/core/net_namespace.c:579)
[   51.216534][  T873]  create_new_namespaces (kernel/nsproxy.c:132)
[   51.216667][  T873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   51.216799][  T873]  ksys_unshare (kernel/fork.c:3243)
[   51.217016][  T873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.217154][  T873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   51.217284][  T873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   51.217416][  T873]  ? __ia32_sys_open (fs/open.c:1374)
[   51.217640][  T873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   51.217771][  T873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   51.217902][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.218034][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.218259][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.218390][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.218559][  T873] RIP: 0033:0x7ffa5dda6bcb
[   51.218696][  T873] 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
[   51.219258][  T873] RSP: 002b:00007fff3f19e5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   51.219554][  T873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa5dda6bcb
[   51.219748][  T873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   51.219943][  T873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   51.220229][  T873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3f1a07e0
[   51.220426][  T873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3f1a2886
| [   51.227715][  T873] ------------[ cut here ]------------
| [   51.227863][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/873
| [   51.228094][  T873] Modules linked in:
| [   51.228464][  T873] Tainted: [W]=WARN
[   51.228568][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.228737][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.228908][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.229375][  T873] RSP: 0018:ffa0000002247a78 EFLAGS: 00010286
[   51.229545][  T873] RAX: 00000000ffffffa6 RBX: ff1100000d88a740 RCX: 1ff4000000448f15
[   51.229739][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88a7fc
[   51.229931][  T873] RBP: ff1100000629c000 R08: 1fe2200001b11501 R09: ff11000010402e80
[   51.230130][  T873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.230322][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000629c000
[   51.230528][  T873] FS:  00007ffa5dae4840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   51.230753][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.230918][  T873] CR2: 00007ffa5dcf0690 CR3: 000000000f557004 CR4: 0000000000771ef0
[   51.231114][  T873] PKRU: 55555554
[   51.231226][  T873] Call Trace:
[   51.231325][  T873]  <TASK>
[   51.231394][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.231530][  T873]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.231661][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.231760][  T873]  register_netdevice (net/core/dev.c:11488)
[   51.231892][  T873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.232052][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.232194][  T873]  register_netdev (net/core/dev.c:11552)
[   51.232323][  T873]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   51.232454][  T873]  ops_init (net/core/net_namespace.c:137)
[   51.232561][  T873]  setup_net (net/core/net_namespace.c:446)
[   51.232659][  T873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   51.232787][  T873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   51.232916][  T873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   51.233050][  T873]  copy_net_ns (net/core/net_namespace.c:579)
[   51.233242][  T873]  create_new_namespaces (kernel/nsproxy.c:132)
[   51.233374][  T873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   51.233510][  T873]  ksys_unshare (kernel/fork.c:3243)
[   51.233639][  T873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.233770][  T873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   51.233900][  T873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   51.234033][  T873]  ? __ia32_sys_open (fs/open.c:1374)
[   51.234218][  T873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   51.234348][  T873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   51.234478][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.234613][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.234743][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.234871][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.235033][  T873] RIP: 0033:0x7ffa5dda6bcb
[   51.235229][  T873] 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
[   51.235703][  T873] RSP: 002b:00007fff3f19e5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   51.235898][  T873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa5dda6bcb
[   51.236093][  T873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   51.236338][  T873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   51.236539][  T873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3f1a07e0
[   51.236734][  T873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3f1a2886
| [   51.241645][  T873] ------------[ cut here ]------------
| [   51.241781][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/873
| [   51.242005][  T873] Modules linked in:
| [   51.242375][  T873] Tainted: [W]=WARN
[   51.242473][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.242643][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.242811][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.243352][  T873] RSP: 0018:ffa0000002247a68 EFLAGS: 00010286
[   51.243522][  T873] RAX: 00000000ffffffa6 RBX: ff1100000979c580 RCX: 1ff4000000448f13
[   51.243716][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979c63c
[   51.243913][  T873] RBP: ff11000009c29000 R08: 1fe22000012f38c9 R09: ff11000010402e80
[   51.244108][  T873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.244308][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c29000
[   51.244510][  T873] FS:  00007ffa5dae4840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   51.244741][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.244904][  T873] CR2: 00007ffa5dcf0690 CR3: 000000000f557004 CR4: 0000000000771ef0
[   51.245101][  T873] PKRU: 55555554
[   51.245203][  T873] Call Trace:
[   51.245300][  T873]  <TASK>
[   51.245367][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.245501][  T873]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.245633][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.245733][  T873]  register_netdevice (net/core/dev.c:11488)
[   51.245865][  T873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.246030][  T873]  register_netdev (net/core/dev.c:11552)
[   51.246163][  T873]  sit_init_net (net/ipv6/sit.c:1860)
[   51.246294][  T873]  ops_init (net/core/net_namespace.c:137)
[   51.246395][  T873]  setup_net (net/core/net_namespace.c:446)
[   51.246499][  T873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   51.246629][  T873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   51.246759][  T873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   51.246890][  T873]  copy_net_ns (net/core/net_namespace.c:579)
[   51.247022][  T873]  create_new_namespaces (kernel/nsproxy.c:132)
[   51.247161][  T873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   51.247292][  T873]  ksys_unshare (kernel/fork.c:3243)
[   51.247423][  T873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.247559][  T873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   51.247689][  T873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   51.247819][  T873]  ? __ia32_sys_open (fs/open.c:1374)
[   51.247952][  T873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   51.248082][  T873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   51.248217][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.248347][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.248479][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.248613][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.248774][  T873] RIP: 0033:0x7ffa5dda6bcb
[   51.248909][  T873] 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
[   51.249374][  T873] RSP: 002b:00007fff3f19e5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   51.249574][  T873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa5dda6bcb
[   51.249767][  T873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   51.249960][  T873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   51.250159][  T873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3f1a07e0
[   51.250354][  T873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3f1a2886
| [   51.254968][  T873] ------------[ cut here ]------------
| [   51.255107][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/873
| [   51.255839][  T873] Modules linked in:
| [   51.256266][  T873] Tainted: [W]=WARN
[   51.256366][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.256535][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.256703][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.257218][  T873] RSP: 0018:ffa0000002247a78 EFLAGS: 00010286
[   51.257383][  T873] RAX: 00000000ffffffa6 RBX: ff1100000daa1a80 RCX: 1ff4000000448f15
[   51.257585][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa1b3c
[   51.257778][  T873] RBP: ff110000102bc000 R08: 1fe2200001b54369 R09: ff11000010402e80
[   51.257973][  T873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.258225][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000102bc000
[   51.258425][  T873] FS:  00007ffa5dae4840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   51.258661][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.258833][  T873] CR2: 00007ffa5dcf0690 CR3: 000000000f557004 CR4: 0000000000771ef0
[   51.259030][  T873] PKRU: 55555554
[   51.259180][  T873] Call Trace:
[   51.259280][  T873]  <TASK>
[   51.259348][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.259480][  T873]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.259617][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.259718][  T873]  register_netdevice (net/core/dev.c:11488)
[   51.259850][  T873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.260011][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.260202][  T873]  register_netdev (net/core/dev.c:11552)
[   51.260337][  T873]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   51.260467][  T873]  ops_init (net/core/net_namespace.c:137)
[   51.260573][  T873]  setup_net (net/core/net_namespace.c:446)
[   51.260672][  T873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   51.260802][  T873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   51.260931][  T873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   51.261064][  T873]  copy_net_ns (net/core/net_namespace.c:579)
[   51.261255][  T873]  create_new_namespaces (kernel/nsproxy.c:132)
[   51.261388][  T873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   51.261524][  T873]  ksys_unshare (kernel/fork.c:3243)
[   51.261655][  T873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.261786][  T873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   51.261916][  T873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   51.262048][  T873]  ? __ia32_sys_open (fs/open.c:1374)
[   51.262240][  T873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   51.262371][  T873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   51.262506][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.262636][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.262765][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.262896][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.263056][  T873] RIP: 0033:0x7ffa5dda6bcb
[   51.263250][  T873] 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
[   51.263721][  T873] RSP: 002b:00007fff3f19e5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   51.263918][  T873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa5dda6bcb
[   51.264114][  T873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   51.264365][  T873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   51.264563][  T873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3f1a07e0
[   51.264758][  T873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3f1a2886
| [   51.304858][  T874] ------------[ cut here ]------------
| [   51.305055][  T874] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/874
| [   51.305349][  T874] Modules linked in:
| [   51.305828][  T874] Tainted: [W]=WARN
[   51.305978][  T874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.306527][  T874] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.306753][  T874] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.307290][  T874] RSP: 0018:ffa0000002257020 EFLAGS: 00010286
[   51.307515][  T874] RAX: 00000000ffffffa6 RBX: ff1100000da34900 RCX: 1ff400000044adca
[   51.307762][  T874] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da349bc
[   51.308009][  T874] RBP: ff110000088e9000 R08: 1fe2200001b46939 R09: ff11000010405158
[   51.308267][  T874] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   51.308519][  T874] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.308772][  T874] FS:  00007fe85c230840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   51.309055][  T874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.309284][  T874] CR2: 00007fe85c5001a0 CR3: 000000000e45f002 CR4: 0000000000771ef0
[   51.309542][  T874] PKRU: 55555554
[   51.309689][  T874] Call Trace:
[   51.309839][  T874]  <TASK>
[   51.309955][  T874]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.310154][  T874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.310306][  T874]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.310485][  T874]  __dev_notify_flags (net/core/dev.c:9787)
[   51.310677][  T874]  ? netif_change_name (net/core/dev.c:1495)
[   51.310861][  T874]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.311044][  T874]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.311235][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.311422][  T874]  ? 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))
[   51.311610][  T874]  netif_change_flags (net/core/dev.c:9820)
[   51.311794][  T874]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.311976][  T874]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.312171][  T874]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.312354][  T874]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.312574][  T874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.312759][  T874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.312940][  T874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.313133][  T874]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.313316][  T874]  ? __kernel_text_address (kernel/extable.c:79)
[   51.313503][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.313688][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.313869][  T874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.314055][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.314249][  T874]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.314428][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.314617][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.314799][  T874]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.314981][  T874]  ? __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)
[   51.315173][  T874]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.315357][  T874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.315554][  T874]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.315743][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.315932][  T874]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.316129][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.316310][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.316501][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.316682][  T874]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.316863][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.317052][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.317246][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.317429][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.317621][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.317804][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.317987][  T874]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.318182][  T874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.318366][  T874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.318557][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.318740][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.318921][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.319105][  T874]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.319299][  T874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.319482][  T874]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.319675][  T874]  ? 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))
[   51.319860][  T874]  ? 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))
[   51.320046][  T874]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.320239][  T874]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.320420][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.320608][  T874]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.320791][  T874]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.320974][  T874]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.321172][  T874]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.321356][  T874]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.321543][  T874]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.321754][  T874]  ? move_addr_to_kernel (net/socket.c:258)
[   51.321937][  T874]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.322132][  T874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.322316][  T874]  ___sys_sendmsg (net/socket.c:2752)
[   51.322508][  T874]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.322723][  T874]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.322917][  T874]  __sys_sendmsg (net/socket.c:2784)
[   51.323100][  T874]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.323294][  T874]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.323518][  T874]  ? 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)
[   51.323700][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.323887][  T874]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.324069][  T874]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.324265][  T874]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.324448][  T874]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.324668][  T874] RIP: 0033:0x7fe85c46a08e
[   51.324858][  T874] 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
[   51.325396][  T874] RSP: 002b:00007ffff6d76e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.325654][  T874] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe85c46a08e
[   51.325902][  T874] RDX: 0000000000000000 RSI: 00007ffff6d76ee0 RDI: 0000000000000005
[   51.326161][  T874] RBP: 00007ffff6d76e40 R08: 0000000000000000 R09: 0000000000000000
[   51.326413][  T874] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32b
[   51.326667][  T874] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff6d775b0
| [   52.455571][  T904] ------------[ cut here ]------------
| [   52.455751][  T904] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/904
| [   52.455990][  T904] Modules linked in:
| [   52.456382][  T904] Tainted: [W]=WARN
[   52.456485][  T904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.456661][  T904] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.456838][  T904] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.457324][  T904] RSP: 0018:ffa00000023f71b0 EFLAGS: 00010286
[   52.457493][  T904] RAX: 00000000ffffffa6 RBX: ff1100000c5f8e40 RCX: 1ff400000047edfc
[   52.457702][  T904] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f8efc
[   52.457901][  T904] RBP: ff11000010411000 R08: 1fe22000018bf1e1 R09: ff1100000fe95180
[   52.458102][  T904] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.458310][  T904] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5008da0
[   52.458516][  T904] FS:  00007ff630095840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   52.458751][  T904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.458920][  T904] CR2: 00000000004a2860 CR3: 000000001089f006 CR4: 0000000000771ef0
[   52.459132][  T904] PKRU: 55555554
[   52.459234][  T904] Call Trace:
[   52.459337][  T904]  <TASK>
[   52.459411][  T904]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.459558][  T904]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.459664][  T904]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.459804][  T904]  __dev_notify_flags (net/core/dev.c:9787)
[   52.459940][  T904]  ? netif_change_name (net/core/dev.c:1495)
[   52.460074][  T904]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.460215][  T904]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.460348][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.460485][  T904]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   52.460625][  T904]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   52.460764][  T904]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   52.460900][  T904]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   52.461036][  T904]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   52.461175][  T904]  ? __dev_get_by_name (net/core/dev.c:883)
[   52.461311][  T904]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   52.461452][  T904]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   52.461598][  T904]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.461735][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.461874][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.462008][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.462148][  T904]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.462284][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.462422][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.462566][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.462701][  T904]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.462835][  T904]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.462969][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.463102][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.463272][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.463470][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.463686][  T904]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.463896][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.464072][  T904]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.464225][  T904]  ? 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))
[   52.464360][  T904]  ? 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))
[   52.464505][  T904]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.464642][  T904]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.464775][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.464911][  T904]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.465046][  T904]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.465189][  T904]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.465328][  T904]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.465461][  T904]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.465600][  T904]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.465765][  T904]  ? move_addr_to_kernel (net/socket.c:258)
[   52.465902][  T904]  ___sys_sendmsg (net/socket.c:2752)
[   52.466042][  T904]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.466187][  T904]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.466360][  T904]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   52.466504][  T904]  __sys_sendmsg (net/socket.c:2784)
[   52.466639][  T904]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.466778][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.466916][  T904]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.467053][  T904]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.467195][  T904]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.467334][  T904]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.467511][  T904] RIP: 0033:0x7ff6302cf08e
[   52.467659][  T904] 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
[   52.468151][  T904] RSP: 002b:00007fff68fb1290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.468357][  T904] RAX: ffffffffffffffda RBX: 00007fff68fb1a48 RCX: 00007ff6302cf08e
[   52.468566][  T904] RDX: 0000000000000000 RSI: 00007fff68fb1340 RDI: 0000000000000005
[   52.468768][  T904] RBP: 00007fff68fb12a0 R08: 0000000000000000 R09: 0000000000000000
[   52.468968][  T904] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32c
[   52.469174][  T904] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff68fb1a10
| [   52.551523][  T906] ------------[ cut here ]------------
| [   52.551689][  T906] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/906
| [   52.551931][  T906] Modules linked in:
| [   52.552333][  T906] Tainted: [W]=WARN
[   52.552439][  T906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.552614][  T906] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.552793][  T906] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.553645][  T906] RSP: 0018:ffa00000023f6e30 EFLAGS: 00010286
[   52.553819][  T906] RAX: 00000000ffffffa6 RBX: ff1100000ce71e00 RCX: 1ff400000047ed8c
[   52.554022][  T906] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce71ebc
[   52.554308][  T906] RBP: ff1100000ff51000 R08: 1fe22000019ce3d9 R09: ff1100001078d180
[   52.554516][  T906] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   52.554718][  T906] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d80fc00
[   52.554925][  T906] FS:  00007ff33ebf5840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   52.555234][  T906] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.555406][  T906] CR2: 000000000042ebe0 CR3: 000000001071b002 CR4: 0000000000771ef0
[   52.555621][  T906] PKRU: 55555554
[   52.555757][  T906] Call Trace:
[   52.555859][  T906]  <TASK>
[   52.555931][  T906]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   52.556103][  T906]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.556245][  T906]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.556346][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.556480][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.556621][  T906]  __dev_notify_flags (net/core/dev.c:9787)
[   52.556759][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.556894][  T906]  ? netif_change_name (net/core/dev.c:1495)
[   52.557029][  T906]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   52.557172][  T906]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   52.557343][  T906]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   52.557521][  T906]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   52.557659][  T906]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   52.557798][  T906]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   52.557935][  T906]  veth_newlink (drivers/net/veth.c:1871)
[   52.558072][  T906]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   52.558212][  T906]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.558351][  T906]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.558486][  T906]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.558643][  T906]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   52.558779][  T906]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   52.558915][  T906]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   52.559050][  T906]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   52.559196][  T906]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   52.559332][  T906]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   52.559468][  T906]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   52.559608][  T906]  ? __dev_get_by_name (net/core/dev.c:883)
[   52.559743][  T906]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   52.559884][  T906]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   52.560024][  T906]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.560166][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.560301][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.560436][  T906]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.560574][  T906]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.560708][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.560847][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.560983][  T906]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.561124][  T906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.561259][  T906]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.561397][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.561538][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.561675][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.561810][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.561945][  T906]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.562080][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.562224][  T906]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.562363][  T906]  ? 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))
[   52.562505][  T906]  ? 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))
[   52.562642][  T906]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.562779][  T906]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.562913][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.563049][  T906]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.563192][  T906]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.563328][  T906]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.563464][  T906]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.563608][  T906]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.563742][  T906]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.563910][  T906]  ? move_addr_to_kernel (net/socket.c:258)
[   52.564049][  T906]  ___sys_sendmsg (net/socket.c:2752)
[   52.564191][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.564326][  T906]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.564471][  T906]  ? 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))
[   52.564612][  T906]  __sys_sendmsg (net/socket.c:2784)
[   52.564749][  T906]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.564889][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.565026][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.565167][  T906]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.565302][  T906]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.565436][  T906]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.565579][  T906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.565747][  T906] RIP: 0033:0x7ff33ee2f08e
[   52.565891][  T906] 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
[   52.566374][  T906] RSP: 002b:00007fffc82db150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.566587][  T906] RAX: ffffffffffffffda RBX: 00007fffc82db8e8 RCX: 00007ff33ee2f08e
[   52.566788][  T906] RDX: 0000000000000000 RSI: 00007fffc82db200 RDI: 0000000000000005
[   52.566990][  T906] RBP: 00007fffc82db160 R08: 0000000000000000 R09: 0000000000000000
[   52.567197][  T906] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32c
[   52.567401][  T906] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc82db8c0
| [   52.581448][  T906] ------------[ cut here ]------------
| [   52.581606][  T906] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/906
| [   52.581841][  T906] Modules linked in:
| [   52.582225][  T906] Tainted: [W]=WARN
[   52.582326][  T906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.582494][  T906] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.582676][  T906] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.583157][  T906] RSP: 0018:ffa00000023f71b0 EFLAGS: 00010286
[   52.583324][  T906] RAX: 00000000ffffffa6 RBX: ff110000091bd000 RCX: 1ff400000047edfc
[   52.583530][  T906] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bd0bc
[   52.583729][  T906] RBP: ff11000010101000 R08: 1fe2200001237a19 R09: ff1100001078d180
[   52.583927][  T906] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   52.584131][  T906] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   52.584332][  T906] FS:  00007ff33ebf5840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   52.584572][  T906] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.584738][  T906] CR2: 000055d19c51fd5c CR3: 000000001071b002 CR4: 0000000000771ef0
[   52.584941][  T906] PKRU: 55555554
[   52.585045][  T906] Call Trace:
[   52.585151][  T906]  <TASK>
[   52.585220][  T906]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.585356][  T906]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.585458][  T906]  __dev_notify_flags (net/core/dev.c:9787)
[   52.585598][  T906]  ? netif_change_name (net/core/dev.c:1495)
[   52.585734][  T906]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   52.585867][  T906]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   52.586002][  T906]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   52.586142][  T906]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   52.586278][  T906]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   52.586411][  T906]  ? __dev_get_by_name (net/core/dev.c:883)
[   52.586550][  T906]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   52.586691][  T906]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   52.586830][  T906]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.586966][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.587100][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.587347][  T906]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.587480][  T906]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.587615][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.587752][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.587885][  T906]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.588020][  T906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.588159][  T906]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.588293][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.588428][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.588568][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.588701][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.588834][  T906]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.588967][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.589101][  T906]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.589246][  T906]  ? 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))
[   52.589378][  T906]  ? 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))
[   52.589515][  T906]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.589648][  T906]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.589784][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.589919][  T906]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.590053][  T906]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.590194][  T906]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.590330][  T906]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.590464][  T906]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.590602][  T906]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.590768][  T906]  ? move_addr_to_kernel (net/socket.c:258)
[   52.590905][  T906]  ___sys_sendmsg (net/socket.c:2752)
[   52.591037][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.591174][  T906]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.591317][  T906]  ? 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))
[   52.591453][  T906]  __sys_sendmsg (net/socket.c:2784)
[   52.591592][  T906]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.591729][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.591865][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.592002][  T906]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.592142][  T906]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.592275][  T906]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.592408][  T906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.592579][  T906] RIP: 0033:0x7ff33ee2f08e
[   52.592721][  T906] 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
[   52.593199][  T906] RSP: 002b:00007fffc82db150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.593400][  T906] RAX: ffffffffffffffda RBX: 00007fffc82db8e8 RCX: 00007ff33ee2f08e
[   52.593610][  T906] RDX: 0000000000000000 RSI: 00007fffc82db200 RDI: 0000000000000005
[   52.593812][  T906] RBP: 00007fffc82db160 R08: 0000000000000000 R09: 0000000000000000
[   52.594012][  T906] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32c
[   52.594217][  T906] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc82db8c0
| [   52.643378][  T907] ------------[ cut here ]------------
| [   52.643575][  T907] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/907
| [   52.643856][  T907] Modules linked in:
| [   52.644424][  T907] Tainted: [W]=WARN
[   52.644656][  T907] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.644942][  T907] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.645264][  T907] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.645868][  T907] RSP: 0018:ffa0000002407020 EFLAGS: 00010286
[   52.646169][  T907] RAX: 00000000ffffffa6 RBX: ff1100000b6fe900 RCX: 1ff4000000480dca
[   52.646495][  T907] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6fe9bc
[   52.646795][  T907] RBP: ff11000010101000 R08: 1fe22000016dfd39 R09: ff1100001078ae58
[   52.647090][  T907] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   52.647397][  T907] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.647647][  T907] FS:  00007f1a499a4840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   52.647920][  T907] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.648143][  T907] CR2: 000000000f5a0988 CR3: 000000000fd41005 CR4: 0000000000771ef0
[   52.648386][  T907] PKRU: 55555554
[   52.648537][  T907] Call Trace:
[   52.648685][  T907]  <TASK>
[   52.648799][  T907]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.648979][  T907]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.649138][  T907]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.649314][  T907]  __dev_notify_flags (net/core/dev.c:9787)
[   52.649495][  T907]  ? netif_change_name (net/core/dev.c:1495)
[   52.649679][  T907]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.649858][  T907]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.650037][  T907]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.650229][  T907]  ? 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))
[   52.650411][  T907]  netif_change_flags (net/core/dev.c:9820)
[   52.650598][  T907]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.650777][  T907]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.650959][  T907]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.651154][  T907]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.651363][  T907]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.651545][  T907]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.651724][  T907]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.651901][  T907]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.652080][  T907]  ? __kernel_text_address (kernel/extable.c:79)
[   52.652267][  T907]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.652453][  T907]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.652639][  T907]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.652819][  T907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.652997][  T907]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.653187][  T907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.653365][  T907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.653552][  T907]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.653733][  T907]  ? __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)
[   52.653913][  T907]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.654091][  T907]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.654282][  T907]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.654463][  T907]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.654649][  T907]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.654830][  T907]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.655006][  T907]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.655200][  T907]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.655380][  T907]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.655565][  T907]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.655746][  T907]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.655923][  T907]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.656100][  T907]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.656292][  T907]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.656472][  T907]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.656663][  T907]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.656842][  T907]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.657019][  T907]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.657209][  T907]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.657390][  T907]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.657575][  T907]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.657755][  T907]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.657932][  T907]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.658113][  T907]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.658308][  T907]  ? 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))
[   52.658484][  T907]  ? 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))
[   52.658671][  T907]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.658850][  T907]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.659031][  T907]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.659225][  T907]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.659407][  T907]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.659595][  T907]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.659775][  T907]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.659955][  T907]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.660145][  T907]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.660353][  T907]  ? move_addr_to_kernel (net/socket.c:258)
[   52.660541][  T907]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.660724][  T907]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.660904][  T907]  ___sys_sendmsg (net/socket.c:2752)
[   52.661079][  T907]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.661298][  T907]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.661488][  T907]  __sys_sendmsg (net/socket.c:2784)
[   52.661673][  T907]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.661850][  T907]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.662063][  T907]  ? 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)
[   52.662258][  T907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.662437][  T907]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.662623][  T907]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.662801][  T907]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.662979][  T907]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.663199][  T907] RIP: 0033:0x7f1a49bde08e
[   52.663383][  T907] 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
[   52.663898][  T907] RSP: 002b:00007fffd005d7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.664155][  T907] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1a49bde08e
[   52.664395][  T907] RDX: 0000000000000000 RSI: 00007fffd005d8a0 RDI: 0000000000000005
[   52.664648][  T907] RBP: 00007fffd005d800 R08: 0000000000000000 R09: 0000000000000000
[   52.664888][  T907] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32c
[   52.665137][  T907] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd005df60
| [   52.734599][  T908] ------------[ cut here ]------------
| [   52.734809][  T908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/908
| [   52.735159][  T908] Modules linked in:
| [   52.735577][  T908] Tainted: [W]=WARN
[   52.735674][  T908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.735833][  T908] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.736002][  T908] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.736636][  T908] RSP: 0018:ffa0000002416ff8 EFLAGS: 00010286
[   52.736799][  T908] RAX: 00000000ffffffa6 RBX: ff110000053f1000 RCX: 1ff4000000482dc5
[   52.736987][  T908] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f10bc
[   52.737183][  T908] RBP: ff1100000ff51000 R08: 1fe2200000a7e219 R09: ff11000010788b58
[   52.737372][  T908] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   52.737568][  T908] R13: 0000000000000000 R14: ffa0000002417140 R15: ff110000105b0ad0
[   52.737762][  T908] FS:  00007f85b6ac2840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   52.737991][  T908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.738156][  T908] CR2: 00007f85b6d921a0 CR3: 000000000b975001 CR4: 0000000000771ef0
[   52.738346][  T908] PKRU: 55555554
[   52.738442][  T908] Call Trace:
[   52.738542][  T908]  <TASK>
[   52.738609][  T908]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   52.738739][  T908]  __dev_change_net_namespace (net/core/dev.c:12635)
[   52.738901][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.739028][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.739163][  T908]  ? default_device_exit_batch (net/core/dev.c:13091)
[   52.739319][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.739445][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.739575][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.739703][  T908]  ? 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))
[   52.739831][  T908]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.739961][  T908]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   52.740091][  T908]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.740223][  T908]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.740381][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.740512][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.740647][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.740772][  T908]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.740900][  T908]  ? __kernel_text_address (kernel/extable.c:79)
[   52.741027][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.741161][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.741287][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.741414][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.741552][  T908]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.741689][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.741815][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.741942][  T908]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.742070][  T908]  ? __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)
[   52.742206][  T908]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.742333][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.742460][  T908]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.742594][  T908]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.742724][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.742854][  T908]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.742985][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.743112][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.743244][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.743371][  T908]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.743501][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.743632][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.743757][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.743884][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.744014][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.744146][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.744273][  T908]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.744399][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.744538][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.744664][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.744792][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.744918][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.745045][  T908]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.745180][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.745307][  T908]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.745438][  T908]  ? 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))
[   52.745571][  T908]  ? 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))
[   52.745700][  T908]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.745828][  T908]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.745957][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.746086][  T908]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.746218][  T908]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.746344][  T908]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.746472][  T908]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.746608][  T908]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.746735][  T908]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.746891][  T908]  ? move_addr_to_kernel (net/socket.c:258)
[   52.747020][  T908]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.747153][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.747281][  T908]  ___sys_sendmsg (net/socket.c:2752)
[   52.747408][  T908]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.747575][  T908]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.747712][  T908]  __sys_sendmsg (net/socket.c:2784)
[   52.747840][  T908]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.747966][  T908]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.748132][  T908]  ? 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)
[   52.748260][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.748388][  T908]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.748523][  T908]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.748651][  T908]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.748777][  T908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.748934][  T908] RIP: 0033:0x7f85b6cfc08e
[   52.749068][  T908] 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
[   52.749533][  T908] RSP: 002b:00007fffbc34b1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.749726][  T908] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f85b6cfc08e
[   52.749918][  T908] RDX: 0000000000000000 RSI: 00007fffbc34b290 RDI: 0000000000000005
[   52.750109][  T908] RBP: 00007fffbc34b1f0 R08: 0000000000000000 R09: 0000000000000000
[   52.750308][  T908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32c
[   52.750502][  T908] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbc34b950
| [   52.753204][  T908] ------------[ cut here ]------------
| [   52.753395][  T908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/908
| [   52.753735][  T908] Modules linked in:
| [   52.754198][  T908] Tainted: [W]=WARN
[   52.754300][  T908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.754538][  T908] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.754787][  T908] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.755417][  T908] RSP: 0018:ffa0000002416fc0 EFLAGS: 00010286
[   52.755592][  T908] RAX: 00000000ffffffa6 RBX: ff1100000de063c0 RCX: 1ff4000000482dbe
[   52.755783][  T908] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de0647c
[   52.755974][  T908] RBP: ff1100000ff51000 R08: 1fe2200001bc0c91 R09: ff11000010788b58
[   52.756172][  T908] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   52.756365][  T908] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000105b0ad0
[   52.756566][  T908] FS:  00007f85b6ac2840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   52.756792][  T908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.756955][  T908] CR2: 00007f85b6d921a0 CR3: 000000000b975001 CR4: 0000000000771ef0
[   52.757158][  T908] PKRU: 55555554
[   52.757257][  T908] Call Trace:
[   52.757354][  T908]  <TASK>
[   52.757421][  T908]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.757559][  T908]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.757689][  T908]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.757788][  T908]  __dev_change_net_namespace (net/core/dev.c:12695)
[   52.757951][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.758082][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.758220][  T908]  ? default_device_exit_batch (net/core/dev.c:13091)
[   52.758381][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.758518][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.758652][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.758781][  T908]  ? 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))
[   52.758913][  T908]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.759054][  T908]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   52.759192][  T908]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.759373][  T908]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.759612][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.759807][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.760004][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.760190][  T908]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.760356][  T908]  ? __kernel_text_address (kernel/extable.c:79)
[   52.760549][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.760683][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.760811][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.760942][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.761071][  T908]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.761248][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.761427][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.761563][  T908]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.761694][  T908]  ? __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)
[   52.761821][  T908]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.761951][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.762106][  T908]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.762297][  T908]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.762443][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.762584][  T908]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.762716][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.762845][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.762975][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.763104][  T908]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.763240][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.763372][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.763508][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.763639][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.763768][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.763897][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.764027][  T908]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.764161][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.764291][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.764418][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.764557][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.764686][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.764816][  T908]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.764944][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.765072][  T908]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.765212][  T908]  ? 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))
[   52.765340][  T908]  ? 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))
[   52.765469][  T908]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.765607][  T908]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.765736][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.765867][  T908]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.765998][  T908]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.766132][  T908]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.766263][  T908]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.766393][  T908]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.766530][  T908]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.766691][  T908]  ? move_addr_to_kernel (net/socket.c:258)
[   52.766820][  T908]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.766948][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.767080][  T908]  ___sys_sendmsg (net/socket.c:2752)
[   52.767215][  T908]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.767374][  T908]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.767524][  T908]  __sys_sendmsg (net/socket.c:2784)
[   52.767656][  T908]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.767873][  T908]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.768037][  T908]  ? 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)
[   52.768171][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.768301][  T908]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.768519][  T908]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.768646][  T908]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.768789][  T908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.768947][  T908] RIP: 0033:0x7f85b6cfc08e
[   52.769186][  T908] 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
[   52.769950][  T908] RSP: 002b:00007fffbc34b1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.770253][  T908] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f85b6cfc08e
[   52.770448][  T908] RDX: 0000000000000000 RSI: 00007fffbc34b290 RDI: 0000000000000005
[   52.770735][  T908] RBP: 00007fffbc34b1f0 R08: 0000000000000000 R09: 0000000000000000
[   52.770927][  T908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32c
[   52.771126][  T908] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbc34b950
| [   52.773446][  T908] ------------[ cut here ]------------
| [   52.773587][  T908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/908
| [   52.773893][  T908] Modules linked in:
| [   52.774621][  T908] Tainted: [W]=WARN
[   52.774719][  T908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.774882][  T908] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.775048][  T908] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.775515][  T908] RSP: 0018:ffa0000002417038 EFLAGS: 00010286
[   52.775680][  T908] RAX: 00000000ffffffa6 RBX: ff1100000de07700 RCX: 1ff4000000482dcd
[   52.775874][  T908] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de077bc
[   52.776064][  T908] RBP: ff1100000ff51000 R08: 1fe2200001bc0ef9 R09: ff11000010788b58
[   52.776260][  T908] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   52.776452][  T908] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   52.776653][  T908] FS:  00007f85b6ac2840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   52.776965][  T908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.777131][  T908] CR2: 00007f85b6d921a0 CR3: 000000000b975001 CR4: 0000000000771ef0
[   52.777325][  T908] PKRU: 55555554
[   52.777423][  T908] Call Trace:
[   52.777614][  T908]  <TASK>
[   52.777681][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.777809][  T908]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   52.777939][  T908]  notifier_call_chain (kernel/notifier.c:85)
[   52.778160][  T908]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   52.778290][  T908]  ? default_device_exit_batch (net/core/dev.c:13091)
[   52.778453][  T908]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   52.778619][  T908]  ? 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))
[   52.778834][  T908]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.778965][  T908]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   52.779094][  T908]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.779226][  T908]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.779471][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.779604][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.779733][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.779863][  T908]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.780074][  T908]  ? __kernel_text_address (kernel/extable.c:79)
[   52.780214][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.780343][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.780471][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.780688][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.780817][  T908]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.780945][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.781072][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.781292][  T908]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.781422][  T908]  ? __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)
[   52.781555][  T908]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.781683][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.781896][  T908]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.782023][  T908]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.782161][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.782291][  T908]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.782511][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.782638][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.782764][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.782891][  T908]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.783102][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.783240][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.783367][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.783493][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.783710][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.783838][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.783971][  T908]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.784243][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.784374][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.784510][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.784640][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.784767][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.784979][  T908]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.785107][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.785242][  T908]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.785375][  T908]  ? 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))
[   52.785593][  T908]  ? 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))
[   52.785725][  T908]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.785856][  T908]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.785984][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.786200][  T908]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.786330][  T908]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.786462][  T908]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.786598][  T908]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.786814][  T908]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.786942][  T908]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.787100][  T908]  ? move_addr_to_kernel (net/socket.c:258)
[   52.787318][  T908]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.787448][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.787582][  T908]  ___sys_sendmsg (net/socket.c:2752)
[   52.787711][  T908]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.787955][  T908]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.788095][  T908]  __sys_sendmsg (net/socket.c:2784)
[   52.788226][  T908]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.788354][  T908]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.788604][  T908]  ? 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)
[   52.788733][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.788864][  T908]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.788995][  T908]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.789211][  T908]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.789341][  T908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.789513][  T908] RIP: 0033:0x7f85b6cfc08e
[   52.789657][  T908] 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
[   52.790211][  T908] RSP: 002b:00007fffbc34b1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.790491][  T908] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f85b6cfc08e
[   52.790691][  T908] RDX: 0000000000000000 RSI: 00007fffbc34b290 RDI: 0000000000000005
[   52.790882][  T908] RBP: 00007fffbc34b1f0 R08: 0000000000000000 R09: 0000000000000000
[   52.791164][  T908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32c
[   52.791356][  T908] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbc34b950
| [   52.851370][  T909] ------------[ cut here ]------------
| [   52.851531][  T909] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/909
| [   52.851768][  T909] Modules linked in:
| [   52.852149][  T909] Tainted: [W]=WARN
[   52.852254][  T909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.852420][  T909] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.852620][  T909] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.853279][  T909] RSP: 0018:ffa0000002427020 EFLAGS: 00010286
[   52.853447][  T909] RAX: 00000000ffffffa6 RBX: ff1100000a094740 RCX: 1ff4000000484dca
[   52.853649][  T909] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0947fc
[   52.853844][  T909] RBP: ff1100000ff51000 R08: 1fe2200001412901 R09: ff11000008d85158
[   52.854040][  T909] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   52.854315][  T909] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.854515][  T909] FS:  00007f9ddd33d840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   52.854745][  T909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.854912][  T909] CR2: 000000000d056988 CR3: 000000000fe0f003 CR4: 0000000000771ef0
[   52.855114][  T909] PKRU: 55555554
[   52.855284][  T909] Call Trace:
[   52.855480][  T909]  <TASK>
[   52.855554][  T909]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.855686][  T909]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.855786][  T909]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.855918][  T909]  __dev_notify_flags (net/core/dev.c:9787)
[   52.856052][  T909]  ? netif_change_name (net/core/dev.c:1495)
[   52.856266][  T909]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.856398][  T909]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.856535][  T909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.856667][  T909]  ? 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))
[   52.856799][  T909]  netif_change_flags (net/core/dev.c:9820)
[   52.856932][  T909]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.857064][  T909]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.857274][  T909]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.857405][  T909]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.857587][  T909]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.857718][  T909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.857847][  T909]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.857977][  T909]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.858109][  T909]  ? __kernel_text_address (kernel/extable.c:79)
[   52.858328][  T909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.858460][  T909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.858596][  T909]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.858729][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.858861][  T909]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.858990][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.859189][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.859320][  T909]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.859450][  T909]  ? __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)
[   52.859587][  T909]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.859718][  T909]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.859870][  T909]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.860003][  T909]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.860225][  T909]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.860359][  T909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.860487][  T909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.860628][  T909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.860758][  T909]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.860888][  T909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.861020][  T909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.861156][  T909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.861286][  T909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.861418][  T909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.861554][  T909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.861686][  T909]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.861815][  T909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.861945][  T909]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.862075][  T909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.862212][  T909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.862344][  T909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.862474][  T909]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.862608][  T909]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.862737][  T909]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.862871][  T909]  ? 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))
[   52.863001][  T909]  ? 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))
[   52.863134][  T909]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.863266][  T909]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.863398][  T909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.863536][  T909]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.863668][  T909]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.863799][  T909]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.863932][  T909]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.864063][  T909]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.864196][  T909]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.864360][  T909]  ? move_addr_to_kernel (net/socket.c:258)
[   52.864490][  T909]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.864625][  T909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.864757][  T909]  ___sys_sendmsg (net/socket.c:2752)
[   52.864886][  T909]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.865049][  T909]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.865199][  T909]  __sys_sendmsg (net/socket.c:2784)
[   52.865332][  T909]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.865462][  T909]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.865631][  T909]  ? 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)
[   52.865760][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.865890][  T909]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.866021][  T909]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.866157][  T909]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.866287][  T909]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.866453][  T909] RIP: 0033:0x7f9ddd57708e
[   52.866619][  T909] 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
[   52.867083][  T909] RSP: 002b:00007fff9b6ba970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.867289][  T909] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ddd57708e
[   52.867485][  T909] RDX: 0000000000000000 RSI: 00007fff9b6baa20 RDI: 0000000000000005
[   52.867687][  T909] RBP: 00007fff9b6ba980 R08: 0000000000000000 R09: 0000000000000000
[   52.867882][  T909] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   52.868078][  T909] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9b6bb0e0
| [   52.875009][   T36] ------------[ cut here ]------------
| [   52.875201][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   52.875493][   T36] Modules linked in:
| [   52.875968][   T36] Tainted: [W]=WARN
[   52.876105][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.876316][   T36] Workqueue: events_unbound linkwatch_event
[   52.876528][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.876747][   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
[   52.877250][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   52.877447][   T36] RAX: 00000000ffffffa6 RBX: ff1100000a095e00 RCX: 1ff4000000051f02
[   52.877687][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a095ebc
[   52.877911][   T36] RBP: ff11000010101000 R08: 1fe2200001412bd9 R09: ff11000001d751a8
[   52.878148][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   52.878372][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.878605][   T36] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   52.878875][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.879073][   T36] CR2: 00007fffaa3f6e48 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   52.879313][   T36] PKRU: 55555554
[   52.879449][   T36] Call Trace:
[   52.879594][   T36]  <TASK>
[   52.879705][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.879879][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.880050][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.880203][   T36]  netif_state_change (net/core/dev.c:1605)
[   52.880372][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   52.880577][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   52.880744][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.880911][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.881087][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.881268][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   52.881438][   T36]  process_one_work (kernel/workqueue.c:3314)
[   52.881621][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.881790][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.881961][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.882147][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.882314][   T36]  kthread (kernel/kthread.c:436)
[   52.882456][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.882660][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.882828][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.882998][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.883210][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.883378][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.883559][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.976275][  T911] ------------[ cut here ]------------
| [   52.976434][  T911] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/911
| [   52.976686][  T911] Modules linked in:
| [   52.977055][  T911] Tainted: [W]=WARN
[   52.977161][  T911] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.977325][  T911] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.977505][  T911] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.977969][  T911] RSP: 0018:ffa0000002447150 EFLAGS: 00010286
[   52.978156][  T911] RAX: 00000000ffffffa6 RBX: ff1100000ba0e040 RCX: 1ff4000000488df0
[   52.978349][  T911] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0e0fc
[   52.978547][  T911] RBP: ff1100000ff51000 R08: 1fe2200001741c21 R09: ff1100001003d158
[   52.978739][  T911] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   52.978931][  T911] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d8fa340
[   52.979133][  T911] FS:  00007f654717e840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   52.979365][  T911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.979534][  T911] CR2: 00000000004eba78 CR3: 000000000507f001 CR4: 0000000000771ef0
[   52.979729][  T911] PKRU: 55555554
[   52.979827][  T911] Call Trace:
[   52.979925][  T911]  <TASK>
[   52.979992][  T911]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.980181][  T911]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.980312][  T911]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.980411][  T911]  netif_state_change (net/core/dev.c:1605)
[   52.980547][  T911]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   52.980710][  T911]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   52.980874][  T911]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   52.981002][  T911]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   52.981207][  T911]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.981337][  T911]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.981551][  T911]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   52.981680][  T911]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.981809][  T911]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.981938][  T911]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.982085][  T911]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.982310][  T911]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.982440][  T911]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.982574][  T911]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.982704][  T911]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.982835][  T911]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.982965][  T911]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   52.983096][  T911]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.983300][  T911]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.983429][  T911]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.983563][  T911]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.983695][  T911]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.983825][  T911]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.983957][  T911]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.984087][  T911]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.984307][  T911]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.984440][  T911]  ? 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))
[   52.984572][  T911]  ? 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))
[   52.984704][  T911]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.984836][  T911]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.984966][  T911]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.985098][  T911]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.985306][  T911]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.985438][  T911]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.985576][  T911]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.985707][  T911]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.985836][  T911]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.985994][  T911]  ? move_addr_to_kernel (net/socket.c:258)
[   52.986177][  T911]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.986316][  T911]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.986477][  T911]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.986613][  T911]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.986775][  T911]  ___sys_sendmsg (net/socket.c:2752)
[   52.986904][  T911]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.987031][  T911]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.987222][  T911]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   52.987354][  T911]  ? do_getsockname (net/socket.c:2192)
[   52.987484][  T911]  __sys_sendmsg (net/socket.c:2784)
[   52.987619][  T911]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.987752][  T911]  ? __sys_getsockname (net/socket.c:2210)
[   52.987880][  T911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.988010][  T911]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.988146][  T911]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.988276][  T911]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.988407][  T911]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.988573][  T911] RIP: 0033:0x7f65473b808e
[   52.988711][  T911] 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
[   52.989178][  T911] RSP: 002b:00007ffd21607d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.989376][  T911] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f65473b808e
[   52.989576][  T911] RDX: 0000000000000000 RSI: 00007ffd21607de0 RDI: 0000000000000006
[   52.989770][  T911] RBP: 00007ffd21607d40 R08: 0000000000000000 R09: 0000000000000000
[   52.989964][  T911] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   52.990163][  T911] R13: 00007ffd21607e90 R14: 0000000000000000 R15: 00007ffd216089f0
| [   53.086643][  T914] ------------[ cut here ]------------
| [   53.086853][  T914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/914
| [   53.087155][  T914] Modules linked in:
| [   53.087653][  T914] Tainted: [W]=WARN
[   53.087807][  T914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.088026][  T914] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.088269][  T914] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.088812][  T914] RSP: 0018:ffa0000002466f40 EFLAGS: 00010286
[   53.089035][  T914] RAX: 00000000ffffffa6 RBX: ff110000029bac80 RCX: 1ff400000048cdae
[   53.089390][  T914] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bad3c
[   53.089722][  T914] RBP: ff1100000ff51000 R08: 1fe22000005375a9 R09: ff11000010825158
[   53.090067][  T914] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   53.090425][  T914] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   53.090759][  T914] FS:  00007fb124aeb840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   53.091163][  T914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.091465][  T914] CR2: 00000000004eba78 CR3: 000000001042f006 CR4: 0000000000771ef0
[   53.091805][  T914] PKRU: 55555554
[   53.092046][  T914] Call Trace:
[   53.092299][  T914]  <TASK>
[   53.092446][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.092647][  T914]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   53.092839][  T914]  notifier_call_chain (kernel/notifier.c:85)
[   53.093030][  T914]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   53.093229][  T914]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   53.093418][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.093616][  T914]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.093797][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.093984][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.094238][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.094509][  T914]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   53.094772][  T914]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   53.095034][  T914]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   53.095308][  T914]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.095506][  T914]  do_set_master (net/core/rtnetlink.c:3011)
[   53.095695][  T914]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.095880][  T914]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   53.096067][  T914]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.096268][  T914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.096487][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.096682][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.096865][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.097052][  T914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.097253][  T914]  ? __kernel_text_address (kernel/extable.c:79)
[   53.097440][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.097637][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.097824][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.098008][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.098205][  T914]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.098388][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.098579][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.098764][  T914]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.098949][  T914]  ? __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)
[   53.099145][  T914]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.099332][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.099524][  T914]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.099709][  T914]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.099895][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.100083][  T914]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.100280][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.100463][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.100663][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.100847][  T914]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.101033][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.101238][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.101420][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.101616][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.101800][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.101988][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.102187][  T914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.102374][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.102567][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.102751][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.102936][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.103131][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.103317][  T914]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.103509][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.103693][  T914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.103881][  T914]  ? 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))
[   53.104063][  T914]  ? 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))
[   53.104263][  T914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.104448][  T914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.104640][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.104828][  T914]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.105019][  T914]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.105217][  T914]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.105404][  T914]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.105598][  T914]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.105780][  T914]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.106009][  T914]  ? move_addr_to_kernel (net/socket.c:258)
[   53.106286][  T914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.106555][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.106758][  T914]  ___sys_sendmsg (net/socket.c:2752)
[   53.106998][  T914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.107316][  T914]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.107608][  T914]  __sys_sendmsg (net/socket.c:2784)
[   53.107871][  T914]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.108137][  T914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.108451][  T914]  ? 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)
[   53.108709][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.108980][  T914]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.109261][  T914]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.109546][  T914]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.109821][  T914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.110151][  T914] RIP: 0033:0x7fb124d2508e
[   53.110427][  T914] 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
[   53.111270][  T914] RSP: 002b:00007fff24774d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.111679][  T914] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb124d2508e
[   53.112071][  T914] RDX: 0000000000000000 RSI: 00007fff24774dc0 RDI: 0000000000000005
[   53.112479][  T914] RBP: 00007fff24774d20 R08: 0000000000000000 R09: 0000000000000000
[   53.112874][  T914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.113228][  T914] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff24775490
| [   53.117337][  T914] ------------[ cut here ]------------
| [   53.117492][  T914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/914
| [   53.117739][  T914] Modules linked in:
| [   53.118135][  T914] Tainted: [W]=WARN
[   53.118241][  T914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.118413][  T914] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.118601][  T914] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.119090][  T914] RSP: 0018:ffa0000002466f60 EFLAGS: 00010286
[   53.119268][  T914] RAX: 00000000ffffffa6 RBX: ff11000009aedc40 RCX: 1ff400000048cdb2
[   53.119473][  T914] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aedcfc
[   53.119683][  T914] RBP: ff1100000ff51000 R08: 1fe220000135dba1 R09: ff11000010825158
[   53.119890][  T914] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   53.120094][  T914] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dde3860
[   53.120305][  T914] FS:  00007fb124aeb840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   53.120551][  T914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.120727][  T914] CR2: 00007ff33ecc2574 CR3: 000000001042f003 CR4: 0000000000771ef0
[   53.120933][  T914] PKRU: 55555554
[   53.121037][  T914] Call Trace:
[   53.121148][  T914]  <TASK>
[   53.121219][  T914]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.121357][  T914]  ? __dev_close_many (net/core/dev.c:1779)
[   53.121494][  T914]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.121606][  T914]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.121744][  T914]  __dev_notify_flags (net/core/dev.c:9787)
[   53.121882][  T914]  ? netif_change_name (net/core/dev.c:1495)
[   53.122018][  T914]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.122161][  T914]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.122300][  T914]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.122436][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.122586][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.122723][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.122862][  T914]  netif_change_flags (net/core/dev.c:9820)
[   53.123001][  T914]  dev_change_flags (net/core/dev_api.c:68)
[   53.123147][  T914]  cycle_netdev (drivers/net/vrf.c:1001)
[   53.123260][  T914]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   53.123396][  T914]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.123543][  T914]  do_set_master (net/core/rtnetlink.c:3011)
[   53.123680][  T914]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.123820][  T914]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   53.123959][  T914]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.124098][  T914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.124278][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.124414][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.124555][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.124695][  T914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.124833][  T914]  ? __kernel_text_address (kernel/extable.c:79)
[   53.124970][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.125108][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.125255][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.125393][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.125536][  T914]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.125673][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.125811][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.125949][  T914]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.126088][  T914]  ? __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)
[   53.126230][  T914]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.126368][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.126512][  T914]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.126653][  T914]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.126794][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.126935][  T914]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.127076][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.127221][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.127358][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.127495][  T914]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.127637][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.127776][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.127915][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.128052][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.128196][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.128334][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.128472][  T914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.128617][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.128755][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.128893][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.129036][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.129179][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.129318][  T914]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.129457][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.129601][  T914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.129744][  T914]  ? 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))
[   53.129880][  T914]  ? 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))
[   53.130023][  T914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.130167][  T914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.130307][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.130444][  T914]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.130588][  T914]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.130728][  T914]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.130868][  T914]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.131009][  T914]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.131153][  T914]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.131324][  T914]  ? move_addr_to_kernel (net/socket.c:258)
[   53.131462][  T914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.131605][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.131743][  T914]  ___sys_sendmsg (net/socket.c:2752)
[   53.131878][  T914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.132051][  T914]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.132207][  T914]  __sys_sendmsg (net/socket.c:2784)
[   53.132344][  T914]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.132479][  T914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.132658][  T914]  ? 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)
[   53.132794][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.132930][  T914]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.133069][  T914]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.133214][  T914]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.133353][  T914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.133529][  T914] RIP: 0033:0x7fb124d2508e
[   53.133676][  T914] 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
[   53.134170][  T914] RSP: 002b:00007fff24774d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.134377][  T914] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb124d2508e
[   53.134593][  T914] RDX: 0000000000000000 RSI: 00007fff24774dc0 RDI: 0000000000000005
[   53.134797][  T914] RBP: 00007fff24774d20 R08: 0000000000000000 R09: 0000000000000000
[   53.135001][  T914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.135213][  T914] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff24775490
| [   53.137025][  T914] ------------[ cut here ]------------
| [   53.137170][  T914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/914
| [   53.137405][  T914] Modules linked in:
| [   53.137801][  T914] Tainted: [W]=WARN
[   53.137905][  T914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.138079][  T914] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.138273][  T914] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.138763][  T914] RSP: 0018:ffa0000002466f60 EFLAGS: 00010286
[   53.138941][  T914] RAX: 00000000ffffffa6 RBX: ff11000009aed000 RCX: 1ff400000048cdb2
[   53.139151][  T914] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aed0bc
[   53.139355][  T914] RBP: ff1100000ff51000 R08: 1fe220000135da19 R09: ff11000010825158
[   53.139563][  T914] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   53.139768][  T914] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dde3860
[   53.139976][  T914] FS:  00007fb124aeb840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   53.140223][  T914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.140395][  T914] CR2: 00007ff33ecc2574 CR3: 000000001042f003 CR4: 0000000000771ef0
[   53.140607][  T914] PKRU: 55555554
[   53.140710][  T914] Call Trace:
[   53.140819][  T914]  <TASK>
[   53.140891][  T914]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.141029][  T914]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.141140][  T914]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.141280][  T914]  __dev_notify_flags (net/core/dev.c:9787)
[   53.141421][  T914]  ? netif_change_name (net/core/dev.c:1495)
[   53.141562][  T914]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.141707][  T914]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.141848][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.141991][  T914]  netif_change_flags (net/core/dev.c:9820)
[   53.142138][  T914]  dev_change_flags (net/core/dev_api.c:68)
[   53.142280][  T914]  cycle_netdev (drivers/net/vrf.c:1003)
[   53.142386][  T914]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   53.142526][  T914]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.142665][  T914]  do_set_master (net/core/rtnetlink.c:3011)
[   53.142805][  T914]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.142947][  T914]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   53.143088][  T914]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.143233][  T914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.143404][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.143546][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.143683][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.143820][  T914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.143963][  T914]  ? __kernel_text_address (kernel/extable.c:79)
[   53.144100][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.144246][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.144383][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.144527][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.144664][  T914]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.144801][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.144943][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.145079][  T914]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.145222][  T914]  ? __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)
[   53.145361][  T914]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.145505][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.145644][  T914]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.145779][  T914]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.145923][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.146065][  T914]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.146210][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.146347][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.146484][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.146626][  T914]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.146762][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.146901][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.147039][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.147181][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.147321][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.147460][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.147606][  T914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.147745][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.147885][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.148025][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.148172][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.148308][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.148444][  T914]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.148589][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.148726][  T914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.148867][  T914]  ? 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))
[   53.149003][  T914]  ? 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))
[   53.149148][  T914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.149287][  T914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.149423][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.149572][  T914]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.149710][  T914]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.149847][  T914]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.149986][  T914]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.150127][  T914]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.150266][  T914]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.150433][  T914]  ? move_addr_to_kernel (net/socket.c:258)
[   53.150576][  T914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.150713][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.150850][  T914]  ___sys_sendmsg (net/socket.c:2752)
[   53.150987][  T914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.151162][  T914]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.151313][  T914]  __sys_sendmsg (net/socket.c:2784)
[   53.151450][  T914]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.151592][  T914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.151766][  T914]  ? 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)
[   53.151903][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.152056][  T914]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.152197][  T914]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.152335][  T914]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.152472][  T914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.152645][  T914] RIP: 0033:0x7fb124d2508e
[   53.152786][  T914] 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
[   53.153280][  T914] RSP: 002b:00007fff24774d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.153486][  T914] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb124d2508e
[   53.153699][  T914] RDX: 0000000000000000 RSI: 00007fff24774dc0 RDI: 0000000000000005
[   53.153905][  T914] RBP: 00007fff24774d20 R08: 0000000000000000 R09: 0000000000000000
[   53.154112][  T914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.154327][  T914] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff24775490
| [   53.204199][  T915] ------------[ cut here ]------------
| [   53.204454][  T915] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/915
| [   53.204864][  T915] Modules linked in:
| [   53.205812][  T915] Tainted: [W]=WARN
[   53.206016][  T915] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.206360][  T915] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.206680][  T915] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.207467][  T915] RSP: 0018:ffa0000002477150 EFLAGS: 00010286
[   53.207786][  T915] RAX: 00000000ffffffa6 RBX: ff1100000dd42580 RCX: 1ff400000048edf0
[   53.208146][  T915] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd4263c
[   53.208506][  T915] RBP: ff1100000ff51000 R08: 1fe2200001ba84c9 R09: ff1100001003ae58
[   53.208852][  T915] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   53.209211][  T915] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009755540
[   53.209564][  T915] FS:  00007fecf4a7c840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   53.209968][  T915] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.210280][  T915] CR2: 00000000004eba78 CR3: 00000000105e4002 CR4: 0000000000771ef0
[   53.210638][  T915] PKRU: 55555554
[   53.210840][  T915] Call Trace:
[   53.211043][  T915]  <TASK>
[   53.211218][  T915]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.211471][  T915]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.211733][  T915]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.211937][  T915]  netif_state_change (net/core/dev.c:1605)
[   53.212211][  T915]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   53.212519][  T915]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   53.212822][  T915]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   53.213070][  T915]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   53.213335][  T915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.213595][  T915]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.213851][  T915]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   53.214103][  T915]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.214367][  T915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.214626][  T915]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.214913][  T915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.215184][  T915]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.215440][  T915]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.215699][  T915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.215950][  T915]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.216223][  T915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.216475][  T915]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   53.216735][  T915]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.216989][  T915]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.217256][  T915]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.217519][  T915]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.217774][  T915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.218023][  T915]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.218295][  T915]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.218556][  T915]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.218807][  T915]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.219066][  T915]  ? 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))
[   53.219332][  T915]  ? 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))
[   53.219601][  T915]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.219855][  T915]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.220107][  T915]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.220376][  T915]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.220640][  T915]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.220895][  T915]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.221164][  T915]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.221420][  T915]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.221681][  T915]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.221976][  T915]  ? move_addr_to_kernel (net/socket.c:258)
[   53.222239][  T915]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.222492][  T915]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.222798][  T915]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.223050][  T915]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.223368][  T915]  ___sys_sendmsg (net/socket.c:2752)
[   53.223635][  T915]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.223889][  T915]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.224168][  T915]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   53.224416][  T915]  ? do_getsockname (net/socket.c:2192)
[   53.224678][  T915]  __sys_sendmsg (net/socket.c:2784)
[   53.224933][  T915]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.225209][  T915]  ? __sys_getsockname (net/socket.c:2210)
[   53.225457][  T915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.225715][  T915]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.225963][  T915]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.226228][  T915]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.226478][  T915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.226783][  T915] RIP: 0033:0x7fecf4cb608e
[   53.227040][  T915] 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
[   53.227824][  T915] RSP: 002b:00007fff37d600d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.228184][  T915] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fecf4cb608e
[   53.228537][  T915] RDX: 0000000000000000 RSI: 00007fff37d60180 RDI: 0000000000000006
[   53.228888][  T915] RBP: 00007fff37d600e0 R08: 0000000000000000 R09: 0000000000000000
[   53.229249][  T915] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.229603][  T915] R13: 00007fff37d60230 R14: 0000000000000000 R15: 00007fff37d60da0
| [   53.320013][  T917] ------------[ cut here ]------------
| [   53.320804][  T917] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/917
| [   53.321051][  T917] Modules linked in:
| [   53.321496][  T917] Tainted: [W]=WARN
[   53.321606][  T917] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.321777][  T917] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.321956][  T917] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.322505][  T917] RSP: 0018:ffa0000002476e30 EFLAGS: 00010286
[   53.322679][  T917] RAX: 00000000ffffffa6 RBX: ff110000029bbc40 RCX: 1ff400000048ed8c
[   53.322881][  T917] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bbcfc
[   53.323084][  T917] RBP: ff11000009094000 R08: 1fe22000005377a1 R09: ff11000009ccd180
[   53.323329][  T917] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.323537][  T917] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9ec780
[   53.323743][  T917] FS:  00007f295c3a8840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   53.323981][  T917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.324159][  T917] CR2: 000000000042ebe0 CR3: 00000000109bb006 CR4: 0000000000771ef0
[   53.324365][  T917] PKRU: 55555554
[   53.324467][  T917] Call Trace:
[   53.324579][  T917]  <TASK>
[   53.324651][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.324789][  T917]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.324927][  T917]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.325031][  T917]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   53.325174][  T917]  __dev_notify_flags (net/core/dev.c:9787)
[   53.325311][  T917]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   53.325449][  T917]  ? 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)
[   53.325589][  T917]  ? netif_change_name (net/core/dev.c:1495)
[   53.325724][  T917]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.325858][  T917]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.325993][  T917]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.326133][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.326271][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.326407][  T917]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.326548][  T917]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   53.326684][  T917]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.326820][  T917]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   53.326959][  T917]  veth_newlink (drivers/net/veth.c:1871)
[   53.327096][  T917]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   53.327236][  T917]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.327375][  T917]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.327519][  T917]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   53.327670][  T917]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   53.327804][  T917]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   53.327941][  T917]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   53.328077][  T917]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   53.328222][  T917]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   53.328359][  T917]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   53.328501][  T917]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   53.328638][  T917]  ? __dev_get_by_name (net/core/dev.c:883)
[   53.328780][  T917]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   53.328921][  T917]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   53.329062][  T917]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.329202][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.329337][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.329473][  T917]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.329614][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.329752][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.329896][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.330032][  T917]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.330175][  T917]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.330310][  T917]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.330445][  T917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.330589][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.330726][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.330860][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.330997][  T917]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.331135][  T917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.331270][  T917]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.331409][  T917]  ? 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))
[   53.331547][  T917]  ? 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))
[   53.331683][  T917]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.331820][  T917]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.331956][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.332095][  T917]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.332235][  T917]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.332371][  T917]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.332517][  T917]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.332653][  T917]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.332789][  T917]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.332957][  T917]  ? move_addr_to_kernel (net/socket.c:258)
[   53.333096][  T917]  ___sys_sendmsg (net/socket.c:2752)
[   53.333235][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.333370][  T917]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.333519][  T917]  ? 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))
[   53.333656][  T917]  __sys_sendmsg (net/socket.c:2784)
[   53.333798][  T917]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.333941][  T917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.334076][  T917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.334219][  T917]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.334354][  T917]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.334490][  T917]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.334632][  T917]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.334799][  T917] RIP: 0033:0x7f295c5e208e
[   53.334944][  T917] 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
[   53.335434][  T917] RSP: 002b:00007ffe7bd49840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.335644][  T917] RAX: ffffffffffffffda RBX: 00007ffe7bd49fd8 RCX: 00007f295c5e208e
[   53.335847][  T917] RDX: 0000000000000000 RSI: 00007ffe7bd498f0 RDI: 0000000000000005
[   53.336050][  T917] RBP: 00007ffe7bd49850 R08: 0000000000000000 R09: 0000000000000000
[   53.336257][  T917] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.336458][  T917] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7bd49fb0
| [   53.348232][  T917] ------------[ cut here ]------------
| [   53.348518][  T917] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/917
| [   53.348923][  T917] Modules linked in:
| [   53.350165][  T917] Tainted: [W]=WARN
[   53.350371][  T917] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.350686][  T917] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.351004][  T917] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.351812][  T917] RSP: 0018:ffa00000024771b0 EFLAGS: 00010286
[   53.352136][  T917] RAX: 00000000ffffffa6 RBX: ff110000091bd380 RCX: 1ff400000048edfc
[   53.352493][  T917] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bd43c
[   53.352862][  T917] RBP: ff11000007d21000 R08: 1fe2200001237a89 R09: ff11000009ccd180
[   53.353234][  T917] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.353598][  T917] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   53.353957][  T917] FS:  00007f295c3a8840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   53.354388][  T917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.354704][  T917] CR2: 00000000004eba78 CR3: 00000000109bb004 CR4: 0000000000771ef0
[   53.355063][  T917] PKRU: 55555554
[   53.355284][  T917] Call Trace:
[   53.355490][  T917]  <TASK>
[   53.355656][  T917]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.355916][  T917]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.356146][  T917]  __dev_notify_flags (net/core/dev.c:9787)
[   53.356402][  T917]  ? netif_change_name (net/core/dev.c:1495)
[   53.356669][  T917]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   53.356928][  T917]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   53.357211][  T917]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   53.357475][  T917]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   53.357744][  T917]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   53.358005][  T917]  ? __dev_get_by_name (net/core/dev.c:883)
[   53.358276][  T917]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   53.358553][  T917]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   53.358819][  T917]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.359079][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.359351][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.359617][  T917]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.359872][  T917]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.360146][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.360411][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.360683][  T917]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.360939][  T917]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.361213][  T917]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.361468][  T917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.361733][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.361992][  T917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.362266][  T917]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.362533][  T917]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.362815][  T917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.363082][  T917]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.363369][  T917]  ? 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))
[   53.363640][  T917]  ? 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))
[   53.363907][  T917]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.364187][  T917]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.364445][  T917]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.364710][  T917]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.364970][  T917]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.365245][  T917]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.365516][  T917]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.365773][  T917]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.366030][  T917]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.366352][  T917]  ? move_addr_to_kernel (net/socket.c:258)
[   53.366628][  T917]  ___sys_sendmsg (net/socket.c:2752)
[   53.366887][  T917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.367160][  T917]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.367435][  T917]  ? 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))
[   53.367709][  T917]  __sys_sendmsg (net/socket.c:2784)
[   53.367971][  T917]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.368257][  T917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.368523][  T917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.368783][  T917]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.369042][  T917]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.369314][  T917]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.369585][  T917]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.369892][  T917] RIP: 0033:0x7f295c5e208e
[   53.370178][  T917] 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
[   53.370969][  T917] RSP: 002b:00007ffe7bd49840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.371345][  T917] RAX: ffffffffffffffda RBX: 00007ffe7bd49fd8 RCX: 00007f295c5e208e
[   53.371714][  T917] RDX: 0000000000000000 RSI: 00007ffe7bd498f0 RDI: 0000000000000005
[   53.372071][  T917] RBP: 00007ffe7bd49850 R08: 0000000000000000 R09: 0000000000000000
[   53.372440][  T917] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.372812][  T917] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7bd49fb0
| [   53.434554][  T918] ------------[ cut here ]------------
| [   53.434725][  T918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/918
| [   53.434957][  T918] Modules linked in:
| [   53.435604][  T918] Tainted: [W]=WARN
[   53.435707][  T918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.435879][  T918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.436054][  T918] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.436535][  T918] RSP: 0018:ffa0000002497020 EFLAGS: 00010286
[   53.436701][  T918] RAX: 00000000ffffffa6 RBX: ff1100000a094c80 RCX: 1ff4000000492dca
[   53.436895][  T918] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a094d3c
[   53.437095][  T918] RBP: ff11000007d21000 R08: 1fe22000014129a9 R09: ff1100000ff8ae58
[   53.437293][  T918] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   53.437487][  T918] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   53.437690][  T918] FS:  00007fb833224840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   53.437917][  T918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.438082][  T918] CR2: 000000002df68988 CR3: 000000000f7fa004 CR4: 0000000000771ef0
[   53.438286][  T918] PKRU: 55555554
[   53.438385][  T918] Call Trace:
[   53.438483][  T918]  <TASK>
[   53.438572][  T918]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.438706][  T918]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.438806][  T918]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.438939][  T918]  __dev_notify_flags (net/core/dev.c:9787)
[   53.439072][  T918]  ? netif_change_name (net/core/dev.c:1495)
[   53.439209][  T918]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.439340][  T918]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.439471][  T918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.439609][  T918]  ? 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))
[   53.439745][  T918]  netif_change_flags (net/core/dev.c:9820)
[   53.439877][  T918]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   53.440012][  T918]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   53.440152][  T918]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.440291][  T918]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.440454][  T918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.440587][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.440716][  T918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.440846][  T918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.440977][  T918]  ? __kernel_text_address (kernel/extable.c:79)
[   53.441112][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.441254][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.441383][  T918]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.441517][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.441653][  T918]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.441782][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.441912][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.442044][  T918]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.442183][  T918]  ? __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)
[   53.442317][  T918]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.442447][  T918]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.442584][  T918]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.442718][  T918]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.442852][  T918]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.442986][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.443120][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.443254][  T918]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.443384][  T918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.443516][  T918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.443650][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.443779][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.443908][  T918]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.444039][  T918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.444179][  T918]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.444311][  T918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.444442][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.444578][  T918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.444708][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.444841][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.444971][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.445101][  T918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.445238][  T918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.445369][  T918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.445508][  T918]  ? 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))
[   53.445639][  T918]  ? 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))
[   53.445770][  T918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.445903][  T918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.446033][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.446176][  T918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.446311][  T918]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.446443][  T918]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.446581][  T918]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.446714][  T918]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.446845][  T918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.447007][  T918]  ? move_addr_to_kernel (net/socket.c:258)
[   53.447143][  T918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.447275][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.447408][  T918]  ___sys_sendmsg (net/socket.c:2752)
[   53.447542][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.447703][  T918]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.447845][  T918]  __sys_sendmsg (net/socket.c:2784)
[   53.447977][  T918]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.448108][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.448281][  T918]  ? 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)
[   53.448412][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.448551][  T918]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.448683][  T918]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.448815][  T918]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.448948][  T918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.449112][  T918] RIP: 0033:0x7fb83345e08e
[   53.449260][  T918] 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
[   53.449730][  T918] RSP: 002b:00007ffccb6507e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.449930][  T918] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb83345e08e
[   53.450134][  T918] RDX: 0000000000000000 RSI: 00007ffccb650890 RDI: 0000000000000005
[   53.450330][  T918] RBP: 00007ffccb6507f0 R08: 0000000000000000 R09: 0000000000000000
[   53.450529][  T918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.450725][  T918] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccb650f50
| [   53.508540][  T919] ------------[ cut here ]------------
| [   53.508738][  T919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/919
| [   53.509011][  T919] Modules linked in:
| [   53.509481][  T919] Tainted: [W]=WARN
[   53.509637][  T919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.509844][  T919] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.510059][  T919] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.510583][  T919] RSP: 0018:ffa00000024a6ff8 EFLAGS: 00010286
[   53.510795][  T919] RAX: 00000000ffffffa6 RBX: ff11000009923540 RCX: 1ff4000000494dc5
[   53.511031][  T919] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099235fc
[   53.511284][  T919] RBP: ff11000009094000 R08: 1fe22000013246c1 R09: ff1100000ff6d158
[   53.511529][  T919] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.511766][  T919] R13: 0000000000000000 R14: ffa00000024a7140 R15: ff1100000b960750
[   53.512005][  T919] FS:  00007efd9042a840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   53.512295][  T919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.512509][  T919] CR2: 000000001f9c8988 CR3: 0000000004fe5001 CR4: 0000000000771ef0
[   53.512748][  T919] PKRU: 55555554
[   53.512893][  T919] Call Trace:
[   53.513050][  T919]  <TASK>
[   53.513176][  T919]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   53.513356][  T919]  __dev_change_net_namespace (net/core/dev.c:12635)
[   53.513580][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.513757][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.513936][  T919]  ? default_device_exit_batch (net/core/dev.c:13091)
[   53.514156][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.514331][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.514515][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.514694][  T919]  ? 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))
[   53.514876][  T919]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.515055][  T919]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   53.515247][  T919]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.515425][  T919]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.515655][  T919]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.515833][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.516009][  T919]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.516200][  T919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.516378][  T919]  ? __kernel_text_address (kernel/extable.c:79)
[   53.516565][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.516744][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.516918][  T919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.517096][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.517287][  T919]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.517465][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.517645][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.517822][  T919]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.517998][  T919]  ? __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)
[   53.518186][  T919]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.518362][  T919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.518549][  T919]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.518725][  T919]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.518908][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.519088][  T919]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.519277][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.519453][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.519638][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.519812][  T919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.519987][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.520183][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.520358][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.520541][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.520716][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.520893][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.521071][  T919]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.521259][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.521433][  T919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.521619][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.521797][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.521972][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.522164][  T919]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.522342][  T919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.522526][  T919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.522707][  T919]  ? 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))
[   53.522885][  T919]  ? 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))
[   53.523063][  T919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.523316][  T919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.523523][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.523702][  T919]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.523879][  T919]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.524056][  T919]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.524247][  T919]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.524428][  T919]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.524613][  T919]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.524818][  T919]  ? move_addr_to_kernel (net/socket.c:258)
[   53.524996][  T919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.525185][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.525362][  T919]  ___sys_sendmsg (net/socket.c:2752)
[   53.525545][  T919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.525756][  T919]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.525943][  T919]  __sys_sendmsg (net/socket.c:2784)
[   53.526133][  T919]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.526308][  T919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.526526][  T919]  ? 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)
[   53.526702][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.526879][  T919]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.527058][  T919]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.527246][  T919]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.527423][  T919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.527641][  T919] RIP: 0033:0x7efd9066408e
[   53.527824][  T919] 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
[   53.528341][  T919] RSP: 002b:00007fff47e909d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.528589][  T919] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efd9066408e
[   53.528825][  T919] RDX: 0000000000000000 RSI: 00007fff47e90a80 RDI: 0000000000000005
[   53.529062][  T919] RBP: 00007fff47e909e0 R08: 0000000000000000 R09: 0000000000000000
[   53.529315][  T919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.529562][  T919] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff47e91140
| [   53.532643][  T919] ------------[ cut here ]------------
| [   53.532817][  T919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/919
| [   53.533083][  T919] Modules linked in:
| [   53.533562][  T919] Tainted: [W]=WARN
[   53.533712][  T919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.533921][  T919] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.534153][  T919] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.534711][  T919] RSP: 0018:ffa00000024a6fc0 EFLAGS: 00010286
[   53.535008][  T919] RAX: 00000000ffffffa6 RBX: ff1100000da35540 RCX: 1ff4000000494dbe
[   53.535370][  T919] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da355fc
[   53.535721][  T919] RBP: ff11000009094000 R08: 1fe2200001b46ac1 R09: ff1100000ff6d158
[   53.536009][  T919] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.536268][  T919] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b960750
[   53.536519][  T919] FS:  00007efd9042a840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   53.536795][  T919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.537004][  T919] CR2: 000000001f9c8988 CR3: 0000000004fe5001 CR4: 0000000000771ef0
[   53.537264][  T919] PKRU: 55555554
[   53.537410][  T919] Call Trace:
[   53.537563][  T919]  <TASK>
[   53.537679][  T919]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.537860][  T919]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.538038][  T919]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.538201][  T919]  __dev_change_net_namespace (net/core/dev.c:12695)
[   53.538412][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.538600][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.538780][  T919]  ? default_device_exit_batch (net/core/dev.c:13091)
[   53.538989][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.539181][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.539361][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.539547][  T919]  ? 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))
[   53.539727][  T919]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.539911][  T919]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   53.540095][  T919]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.540289][  T919]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.540496][  T919]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.540684][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.540860][  T919]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.541091][  T919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.541354][  T919]  ? __kernel_text_address (kernel/extable.c:79)
[   53.541609][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.541853][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.542245][  T919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.542427][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.542613][  T919]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.542791][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.543054][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.543249][  T919]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.543429][  T919]  ? __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)
[   53.543611][  T919]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.543874][  T919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.544053][  T919]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.544242][  T919]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.544423][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.544700][  T919]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.544883][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.545060][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.545254][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.545522][  T919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.545703][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.545885][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.546062][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.546256][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.546432][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.546615][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.546792][  T919]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.547052][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.547242][  T919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.547417][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.547604][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.547867][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.548047][  T919]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.548234][  T919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.548412][  T919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.548685][  T919]  ? 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))
[   53.548862][  T919]  ? 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))
[   53.549043][  T919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.549235][  T919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.549496][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.549687][  T919]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.549866][  T919]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.550044][  T919]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.550316][  T919]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.550494][  T919]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.550682][  T919]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.550892][  T919]  ? move_addr_to_kernel (net/socket.c:258)
[   53.551168][  T919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.551347][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.551533][  T919]  ___sys_sendmsg (net/socket.c:2752)
[   53.551709][  T919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.552001][  T919]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.552210][  T919]  __sys_sendmsg (net/socket.c:2784)
[   53.552388][  T919]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.552654][  T919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.552864][  T919]  ? 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)
[   53.553043][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.553232][  T919]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.553506][  T919]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.553690][  T919]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.553875][  T919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.554081][  T919] RIP: 0033:0x7efd9066408e
[   53.554273][  T919] 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
[   53.554872][  T919] RSP: 002b:00007fff47e909d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.555131][  T919] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efd9066408e
[   53.555371][  T919] RDX: 0000000000000000 RSI: 00007fff47e90a80 RDI: 0000000000000005
[   53.555706][  T919] RBP: 00007fff47e909e0 R08: 0000000000000000 R09: 0000000000000000
[   53.555950][  T919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.556208][  T919] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff47e91140
| [   53.558951][  T919] ------------[ cut here ]------------
| [   53.559150][  T919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/919
| [   53.559509][  T919] Modules linked in:
| [   53.559967][  T919] Tainted: [W]=WARN
[   53.560279][  T919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.560525][  T919] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.560741][  T919] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.561258][  T919] RSP: 0018:ffa00000024a7038 EFLAGS: 00010286
[   53.561562][  T919] RAX: 00000000ffffffa6 RBX: ff1100000da34900 RCX: 1ff4000000494dcd
[   53.561806][  T919] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da349bc
[   53.562044][  T919] RBP: ff11000009094000 R08: 1fe2200001b46939 R09: ff1100000ff6d158
[   53.562294][  T919] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   53.562542][  T919] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   53.562788][  T919] FS:  00007efd9042a840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   53.563158][  T919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.563367][  T919] CR2: 000000001f9c8988 CR3: 0000000004fe5001 CR4: 0000000000771ef0
[   53.563698][  T919] PKRU: 55555554
[   53.563843][  T919] Call Trace:
[   53.563988][  T919]  <TASK>
[   53.564109][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.564299][  T919]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   53.564566][  T919]  notifier_call_chain (kernel/notifier.c:85)
[   53.564746][  T919]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   53.564923][  T919]  ? default_device_exit_batch (net/core/dev.c:13091)
[   53.565144][  T919]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   53.565436][  T919]  ? 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))
[   53.565631][  T919]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.565812][  T919]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   53.565990][  T919]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.566263][  T919]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.566470][  T919]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.566656][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.566914][  T919]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.567094][  T919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.567284][  T919]  ? __kernel_text_address (kernel/extable.c:79)
[   53.567461][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.567730][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.567906][  T919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.568085][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.568276][  T919]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.568546][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.568728][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.568909][  T919]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.569085][  T919]  ? __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)
[   53.569355][  T919]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.569539][  T919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.569719][  T919]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.569896][  T919]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.570177][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.570357][  T919]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.570544][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.570719][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.570979][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.571167][  T919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.571343][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.571526][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.571788][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.571964][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.572153][  T919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.572332][  T919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.572601][  T919]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.572782][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.572958][  T919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.573151][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.573413][  T919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.573600][  T919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.573782][  T919]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.573960][  T919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.574236][  T919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.574418][  T919]  ? 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))
[   53.574606][  T919]  ? 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))
[   53.574793][  T919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.575054][  T919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.575247][  T919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.575426][  T919]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.575614][  T919]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.575875][  T919]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.576060][  T919]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.576251][  T919]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.576431][  T919]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.576726][  T919]  ? move_addr_to_kernel (net/socket.c:258)
[   53.576906][  T919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.577083][  T919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.577274][  T919]  ___sys_sendmsg (net/socket.c:2752)
[   53.577542][  T919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.577762][  T919]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.577953][  T919]  __sys_sendmsg (net/socket.c:2784)
[   53.578143][  T919]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.578403][  T919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.578626][  T919]  ? 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)
[   53.578805][  T919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.578984][  T919]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.579259][  T919]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.579439][  T919]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.579626][  T919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.579918][  T919] RIP: 0033:0x7efd9066408e
[   53.580101][  T919] 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
[   53.580716][  T919] RSP: 002b:00007fff47e909d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.580957][  T919] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efd9066408e
[   53.581208][  T919] RDX: 0000000000000000 RSI: 00007fff47e90a80 RDI: 0000000000000005
[   53.581538][  T919] RBP: 00007fff47e909e0 R08: 0000000000000000 R09: 0000000000000000
[   53.581784][  T919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.582106][  T919] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff47e91140
| [   53.599444][   T39] ------------[ cut here ]------------
| [   53.599598][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   53.599845][   T39] Modules linked in:
| [   53.600334][   T39] Tainted: [W]=WARN
[   53.600427][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.600588][   T39] Workqueue: events_unbound linkwatch_event
[   53.600746][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.600903][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.601345][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   53.601496][   T39] RAX: 00000000ffffffa6 RBX: ff1100000979c900 RCX: 1ff4000000057f02
[   53.601686][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979c9bc
[   53.601864][   T39] RBP: ff11000010101000 R08: 1fe22000012f3939 R09: ff11000001da51a8
[   53.602045][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   53.602253][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.602435][   T39] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   53.602660][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.602814][   T39] CR2: 000055d1a14d7d18 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   53.602997][   T39] PKRU: 55555554
[   53.603088][   T39] Call Trace:
[   53.603186][   T39]  <TASK>
[   53.603251][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.603373][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.603506][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.603603][   T39]  netif_state_change (net/core/dev.c:1605)
[   53.603725][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   53.603878][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   53.603998][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   53.604126][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.604250][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   53.604373][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   53.604493][   T39]  process_one_work (kernel/workqueue.c:3314)
[   53.604629][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.604749][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.604874][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.604998][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.605125][   T39]  kthread (kernel/kthread.c:436)
[   53.605217][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.605372][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.605494][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.605624][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.605776][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.605897][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.606019][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.647477][  T920] ------------[ cut here ]------------
| [   53.647668][  T920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/920
| [   53.647942][  T920] Modules linked in:
| [   53.648527][  T920] Tainted: [W]=WARN
[   53.648753][  T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.649041][  T920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.649356][  T920] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.650103][  T920] RSP: 0018:ffa00000024b7020 EFLAGS: 00010286
[   53.650548][  T920] RAX: 00000000ffffffa6 RBX: ff1100000979d540 RCX: 1ff4000000496dca
[   53.650840][  T920] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d5fc
[   53.651078][  T920] RBP: ff11000009094000 R08: 1fe22000012f3ac1 R09: ff1100000ff6ae58
[   53.651335][  T920] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   53.651580][  T920] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   53.651825][  T920] FS:  00007f6e232bd840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   53.652100][  T920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.652327][  T920] CR2: 000000001098f988 CR3: 0000000010892003 CR4: 0000000000771ef0
[   53.652582][  T920] PKRU: 55555554
[   53.652726][  T920] Call Trace:
[   53.652872][  T920]  <TASK>
[   53.652989][  T920]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.653182][  T920]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.653330][  T920]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.653514][  T920]  __dev_notify_flags (net/core/dev.c:9787)
[   53.653698][  T920]  ? netif_change_name (net/core/dev.c:1495)
[   53.653877][  T920]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.654056][  T920]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.654247][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.654427][  T920]  ? 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))
[   53.654635][  T920]  netif_change_flags (net/core/dev.c:9820)
[   53.654880][  T920]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   53.655140][  T920]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   53.655325][  T920]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.655513][  T920]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.655726][  T920]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.655907][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.656087][  T920]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.656281][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.656462][  T920]  ? __kernel_text_address (kernel/extable.c:79)
[   53.656649][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.656830][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.657008][  T920]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.657201][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.657380][  T920]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.657566][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.657747][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.657927][  T920]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.658106][  T920]  ? __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)
[   53.658300][  T920]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.658481][  T920]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.658667][  T920]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.658850][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.659032][  T920]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.659231][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.659410][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.659598][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.659776][  T920]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.659954][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.660150][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.660327][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.660515][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.660693][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.660875][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.661055][  T920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.661247][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.661426][  T920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.661613][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.661792][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.661971][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.662163][  T920]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.662342][  T920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.662528][  T920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.662711][  T920]  ? 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))
[   53.662889][  T920]  ? 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))
[   53.663070][  T920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.663264][  T920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.663444][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.663634][  T920]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.663814][  T920]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.663993][  T920]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.664187][  T920]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.664366][  T920]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.664549][  T920]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.664759][  T920]  ? move_addr_to_kernel (net/socket.c:258)
[   53.664940][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.665133][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.665313][  T920]  ___sys_sendmsg (net/socket.c:2752)
[   53.665489][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.665720][  T920]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.665910][  T920]  __sys_sendmsg (net/socket.c:2784)
[   53.666094][  T920]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.666285][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.666498][  T920]  ? 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)
[   53.666687][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.666870][  T920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.667048][  T920]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.667241][  T920]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.667423][  T920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.667639][  T920] RIP: 0033:0x7f6e234f708e
[   53.667824][  T920] 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
[   53.668347][  T920] RSP: 002b:00007ffe052d54b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.668608][  T920] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6e234f708e
[   53.668851][  T920] RDX: 0000000000000000 RSI: 00007ffe052d5560 RDI: 0000000000000005
[   53.669181][  T920] RBP: 00007ffe052d54c0 R08: 0000000000000000 R09: 0000000000000000
[   53.669446][  T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32d
[   53.669700][  T920] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe052d5c20
| [   53.677965][   T38] ------------[ cut here ]------------
| [   53.678104][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   53.678357][   T38] Modules linked in:
| [   53.678745][   T38] Tainted: [W]=WARN
[   53.678837][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.678989][   T38] Workqueue: events_unbound linkwatch_event
[   53.679155][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.679311][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.679755][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   53.679921][   T38] RAX: 00000000ffffffa6 RBX: ff1100000da343c0 RCX: 1ff4000000055f02
[   53.680214][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da3447c
[   53.680506][   T38] RBP: ff11000009094000 R08: 1fe2200001b46891 R09: ff11000001da2ea8
[   53.680783][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   53.681062][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.681350][   T38] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   53.681618][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.681770][   T38] CR2: 00007f381b352668 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   53.681953][   T38] PKRU: 55555554
[   53.682045][   T38] Call Trace:
[   53.682142][   T38]  <TASK>
[   53.682206][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.682332][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.682454][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.682551][   T38]  netif_state_change (net/core/dev.c:1605)
[   53.682672][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   53.682823][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   53.682943][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   53.683063][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.683239][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   53.683424][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   53.683618][   T38]  process_one_work (kernel/workqueue.c:3314)
[   53.683812][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.683997][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.684195][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.684366][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.684487][   T38]  kthread (kernel/kthread.c:436)
[   53.684587][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.684740][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.684860][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.684982][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.685145][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.685268][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.685391][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.687286][   T38] ------------[ cut here ]------------
| [   53.687412][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   53.687655][   T38] Modules linked in:
| [   53.688027][   T38] Tainted: [W]=WARN
[   53.688213][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.688364][   T38] Workqueue: events_unbound linkwatch_event
[   53.688525][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.688682][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.689116][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   53.689283][   T38] RAX: 00000000ffffffa6 RBX: ff11000009284580 RCX: 1ff4000000055f02
[   53.689464][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000928463c
[   53.689653][   T38] RBP: ff11000007d21000 R08: 1fe22000012508c9 R09: ff11000001da2ea8
[   53.689830][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   53.690009][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.690195][   T38] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   53.690409][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.690568][   T38] CR2: 00007f381b352668 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   53.690747][   T38] PKRU: 55555554
[   53.690838][   T38] Call Trace:
[   53.690926][   T38]  <TASK>
[   53.690989][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.691122][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.691244][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.691336][   T38]  netif_state_change (net/core/dev.c:1605)
[   53.691457][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   53.691618][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   53.691735][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   53.691855][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.691982][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   53.692103][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   53.692229][   T38]  process_one_work (kernel/workqueue.c:3314)
[   53.692354][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.692473][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.692604][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.692729][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.692850][   T38]  kthread (kernel/kthread.c:436)
[   53.692941][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.693095][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.693220][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.693343][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.693494][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.693621][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.693747][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.848759][  T924] ------------[ cut here ]------------
| [   53.848929][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/924
| [   53.849603][  T924] Modules linked in:
| [   53.849984][  T924] Tainted: [W]=WARN
[   53.850085][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.850262][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.850440][  T924] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.850925][  T924] RSP: 0018:ffa00000024e6f40 EFLAGS: 00010286
[   53.851094][  T924] RAX: 00000000ffffffa6 RBX: ff110000029bba80 RCX: 1ff400000049cdae
[   53.851298][  T924] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bbb3c
[   53.851497][  T924] RBP: ff11000009094000 R08: 1fe2200000537769 R09: ff11000006272e58
[   53.851709][  T924] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   53.851907][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   53.852108][  T924] FS:  00007efe450d7840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   53.852349][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.852526][  T924] CR2: 00000000004eba80 CR3: 000000000f367006 CR4: 0000000000771ef0
[   53.852726][  T924] PKRU: 55555554
[   53.852828][  T924] Call Trace:
[   53.852928][  T924]  <TASK>
[   53.852999][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.853141][  T924]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   53.853276][  T924]  notifier_call_chain (kernel/notifier.c:85)
[   53.853412][  T924]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   53.853558][  T924]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   53.853693][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.853828][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.853960][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.854092][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.854229][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.854364][  T924]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   53.854505][  T924]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   53.854641][  T924]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   53.854776][  T924]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.854910][  T924]  do_set_master (net/core/rtnetlink.c:3011)
[   53.855045][  T924]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.855187][  T924]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   53.855324][  T924]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.855460][  T924]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.855634][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.855768][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.855902][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.856035][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.856175][  T924]  ? __kernel_text_address (kernel/extable.c:79)
[   53.856309][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.856446][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.856583][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.856715][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.856848][  T924]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.856982][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.857122][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.857256][  T924]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.857390][  T924]  ? __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)
[   53.857533][  T924]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.857666][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.857799][  T924]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.857932][  T924]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.858068][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.858211][  T924]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.858346][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.858479][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.858618][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.858750][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.858885][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.859023][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.859161][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.859296][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.859431][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.859574][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.859708][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.859841][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.859973][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.860105][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.860247][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.860379][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.860516][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.860652][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.860786][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.860922][  T924]  ? 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))
[   53.861056][  T924]  ? 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))
[   53.861196][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.861332][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.861466][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.861608][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.861743][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.861879][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.862017][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.862158][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.862291][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.862457][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   53.862598][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.862732][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.862866][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   53.863000][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.863171][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.863317][  T924]  __sys_sendmsg (net/socket.c:2784)
[   53.863452][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.863594][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.863764][  T924]  ? 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)
[   53.863900][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.864034][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.864175][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.864310][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.864444][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.864615][  T924] RIP: 0033:0x7efe4531108e
[   53.864758][  T924] 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
[   53.865242][  T924] RSP: 002b:00007ffd73ff7670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.865445][  T924] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efe4531108e
[   53.865653][  T924] RDX: 0000000000000000 RSI: 00007ffd73ff7720 RDI: 0000000000000005
[   53.865855][  T924] RBP: 00007ffd73ff7680 R08: 0000000000000000 R09: 0000000000000000
[   53.866056][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32e
[   53.866261][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd73ff7df0
| [   53.869018][  T924] ------------[ cut here ]------------
| [   53.869170][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/924
| [   53.869408][  T924] Modules linked in:
| [   53.869797][  T924] Tainted: [W]=WARN
[   53.869904][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.870075][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.870763][  T924] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.871264][  T924] RSP: 0018:ffa00000024e6f60 EFLAGS: 00010286
[   53.871436][  T924] RAX: 00000000ffffffa6 RBX: ff11000004c6eac0 RCX: 1ff400000049cdb2
[   53.871645][  T924] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004c6eb7c
[   53.871852][  T924] RBP: ff11000009094000 R08: 1fe220000098dd71 R09: ff11000006272e58
[   53.872056][  T924] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   53.872264][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004cdede0
[   53.872469][  T924] FS:  00007efe450d7840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   53.872716][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.872888][  T924] CR2: 00000000004eba80 CR3: 000000000f367006 CR4: 0000000000771ef0
[   53.873095][  T924] PKRU: 55555554
[   53.873201][  T924] Call Trace:
[   53.873304][  T924]  <TASK>
[   53.873375][  T924]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.873516][  T924]  ? __dev_close_many (net/core/dev.c:1779)
[   53.873656][  T924]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.873761][  T924]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.873900][  T924]  __dev_notify_flags (net/core/dev.c:9787)
[   53.874040][  T924]  ? netif_change_name (net/core/dev.c:1495)
[   53.874184][  T924]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.874322][  T924]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.874461][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.874601][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.874740][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.874879][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.875020][  T924]  netif_change_flags (net/core/dev.c:9820)
[   53.875167][  T924]  dev_change_flags (net/core/dev_api.c:68)
[   53.875306][  T924]  cycle_netdev (drivers/net/vrf.c:1001)
[   53.875412][  T924]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   53.875553][  T924]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.875690][  T924]  do_set_master (net/core/rtnetlink.c:3011)
[   53.875830][  T924]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.875968][  T924]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   53.876108][  T924]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.876251][  T924]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.876422][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.876563][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.876698][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.876837][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.876974][  T924]  ? __kernel_text_address (kernel/extable.c:79)
[   53.877112][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.877257][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.877394][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.877535][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.877672][  T924]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.877809][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.877945][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.878081][  T924]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.878225][  T924]  ? __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)
[   53.878362][  T924]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.878503][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.878643][  T924]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.878779][  T924]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.878921][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.879063][  T924]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.879207][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.879343][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.879480][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.879619][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.879754][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.879893][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.880028][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.880168][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.880304][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.880441][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.880581][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.880717][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.880852][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.880990][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.881133][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.881270][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.881407][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.881547][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.881684][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.881824][  T924]  ? 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))
[   53.881962][  T924]  ? 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))
[   53.882100][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.882244][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.882380][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.882524][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.882662][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.882799][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.882939][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.883081][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.883223][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.883393][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   53.883537][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.883673][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.883810][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   53.883950][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.884127][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.884277][  T924]  __sys_sendmsg (net/socket.c:2784)
[   53.884414][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.884556][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.884729][  T924]  ? 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)
[   53.884866][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.885002][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.885148][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.885285][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.885423][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.885598][  T924] RIP: 0033:0x7efe4531108e
[   53.885739][  T924] 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
[   53.886235][  T924] RSP: 002b:00007ffd73ff7670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.886441][  T924] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efe4531108e
[   53.886649][  T924] RDX: 0000000000000000 RSI: 00007ffd73ff7720 RDI: 0000000000000005
[   53.886852][  T924] RBP: 00007ffd73ff7680 R08: 0000000000000000 R09: 0000000000000000
[   53.887057][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32e
[   53.887266][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd73ff7df0
| [   53.888992][  T924] ------------[ cut here ]------------
| [   53.889135][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/924
| [   53.889370][  T924] Modules linked in:
| [   53.889752][  T924] Tainted: [W]=WARN
[   53.889856][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.890025][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.890993][  T924] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.891582][  T924] RSP: 0018:ffa00000024e6f60 EFLAGS: 00010286
[   53.891756][  T924] RAX: 00000000ffffffa6 RBX: ff11000004c6ee40 RCX: 1ff400000049cdb2
[   53.891959][  T924] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004c6eefc
[   53.892222][  T924] RBP: ff11000009094000 R08: 1fe220000098dde1 R09: ff11000006272e58
[   53.892485][  T924] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   53.892698][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004cdede0
[   53.892902][  T924] FS:  00007efe450d7840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   53.893203][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.893377][  T924] CR2: 00000000004eba80 CR3: 000000000f367006 CR4: 0000000000771ef0
[   53.893591][  T924] PKRU: 55555554
[   53.893694][  T924] Call Trace:
[   53.893795][  T924]  <TASK>
[   53.893867][  T924]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.894006][  T924]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.894109][  T924]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.894307][  T924]  __dev_notify_flags (net/core/dev.c:9787)
[   53.894445][  T924]  ? netif_change_name (net/core/dev.c:1495)
[   53.894587][  T924]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.894726][  T924]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.894864][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.895002][  T924]  netif_change_flags (net/core/dev.c:9820)
[   53.895201][  T924]  dev_change_flags (net/core/dev_api.c:68)
[   53.895339][  T924]  cycle_netdev (drivers/net/vrf.c:1003)
[   53.895444][  T924]  vrf_add_slave (drivers/net/vrf.c:1031 drivers/net/vrf.c:1053)
[   53.895584][  T924]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.895720][  T924]  do_set_master (net/core/rtnetlink.c:3011)
[   53.895858][  T924]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.895997][  T924]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   53.896195][  T924]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.896334][  T924]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.896509][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.896645][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.896782][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.896921][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.897059][  T924]  ? __kernel_text_address (kernel/extable.c:79)
[   53.897254][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.897392][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.897532][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.897669][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.897807][  T924]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.897946][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.898082][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.898279][  T924]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.898416][  T924]  ? __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)
[   53.898558][  T924]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.898695][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.898835][  T924]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.898970][  T924]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.899183][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.899323][  T924]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.899461][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.899601][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.899737][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.899875][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.900010][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.900212][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.900348][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.900483][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.900626][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.900765][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.900901][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.901039][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.901237][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.901374][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.901518][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.901656][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.901794][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.901931][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.902068][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.902271][  T924]  ? 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))
[   53.902410][  T924]  ? 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))
[   53.902553][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.902691][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.902828][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.902967][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.903105][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.903303][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.903442][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.903588][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.903725][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.903895][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   53.904034][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.904234][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.904373][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   53.904513][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.904686][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.904837][  T924]  __sys_sendmsg (net/socket.c:2784)
[   53.904974][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.905110][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.905344][  T924]  ? 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)
[   53.905482][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.905625][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.905763][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.905901][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.906038][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.906267][  T924] RIP: 0033:0x7efe4531108e
[   53.906409][  T924] 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
[   53.906899][  T924] RSP: 002b:00007ffd73ff7670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.907104][  T924] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efe4531108e
[   53.907367][  T924] RDX: 0000000000000000 RSI: 00007ffd73ff7720 RDI: 0000000000000005
[   53.907575][  T924] RBP: 00007ffd73ff7680 R08: 0000000000000000 R09: 0000000000000000
[   53.907779][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e32e
[   53.907983][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd73ff7df0
| [   53.916547][   T36] ------------[ cut here ]------------
| [   53.916678][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   53.916917][   T36] Modules linked in:
| [   53.917341][   T36] Tainted: [W]=WARN
[   53.917434][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.917590][   T36] Workqueue: events_unbound linkwatch_event
[   53.917745][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.917901][   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
[   53.918393][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   53.918551][   T36] RAX: 00000000ffffffa6 RBX: ff11000004c6fe00 RCX: 1ff4000000051f02
[   53.918735][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004c6febc
[   53.918913][   T36] RBP: ff11000009094000 R08: 1fe220000098dfd9 R09: ff11000001d751a8
[   53.919095][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   53.919325][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.919561][   T36] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   53.919815][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.919964][   T36] CR2: 00000000004eba80 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   53.920199][   T36] PKRU: 55555554
[   53.920289][   T36] Call Trace:
[   53.920378][   T36]  <TASK>
[   53.920441][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.920565][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.920686][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.920778][   T36]  netif_state_change (net/core/dev.c:1605)
[   53.920898][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   53.921055][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   53.921223][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   53.921344][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.921465][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   53.921588][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   53.921707][   T36]  process_one_work (kernel/workqueue.c:3314)
[   53.921831][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.921951][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.922075][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.922251][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.922371][   T36]  kthread (kernel/kthread.c:436)
[   53.922460][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.922611][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.922733][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.922854][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.923007][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.923173][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.923295][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.924985][   T36] ------------[ cut here ]------------
| [   53.925103][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   53.925344][   T36] Modules linked in:
| [   53.925711][   T36] Tainted: [W]=WARN
[   53.925801][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.925950][   T36] Workqueue: events_unbound linkwatch_event
[   53.926103][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.926269][   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
[   53.926702][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   53.926855][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d076200 RCX: 1ff4000000051f02
[   53.927033][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0762bc
[   53.927227][   T36] RBP: ff11000007d21000 R08: 1fe2200001a0ec59 R09: ff11000001d751a8
[   53.927406][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   53.927597][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.927775][   T36] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   53.927983][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.928140][   T36] CR2: 00000000004eba80 CR3: 0000000077f4d001 CR4: 0000000000771ef0
[   53.928322][   T36] PKRU: 55555554
[   53.928410][   T36] Call Trace:
[   53.928505][   T36]  <TASK>
[   53.928567][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.928687][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.928807][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.928898][   T36]  netif_state_change (net/core/dev.c:1605)
[   53.929019][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   53.929175][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   53.929297][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   53.929416][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.929543][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   53.929662][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   53.929783][   T36]  process_one_work (kernel/workqueue.c:3314)
[   53.929909][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.930027][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.930160][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.930284][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.930404][   T36]  kthread (kernel/kthread.c:436)
[   53.930499][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.930652][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.930773][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.930895][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.931043][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.931167][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.931286][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.312785][   T67] ------------[ cut here ]------------
| [   58.313007][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.313377][   T67] Modules linked in:
| [   58.313939][   T67] Tainted: [W]=WARN
[   58.314078][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.314317][   T67] Workqueue: netns cleanup_net
[   58.314506][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.314745][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.315392][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.315629][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d8cba80 RCX: 1ff4000000090eed
[   58.315899][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8cbb3c
[   58.316176][   T67] RBP: ff1100000ffa9000 R08: 1fe2200001b19769 R09: ff110000091a8bd0
[   58.316451][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.316728][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.316999][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.317322][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.317553][   T67] CR2: 00007fc8d1609430 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.317822][   T67] PKRU: 55555554
[   58.317954][   T67] Call Trace:
[   58.318086][   T67]  <TASK>
[   58.318262][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.318494][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.318719][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.318900][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.319081][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.319336][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.319596][   T67]  ? 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)
[   58.319779][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.319960][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.320217][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.320395][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.320578][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.320760][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.320941][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.321240][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.321421][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.321600][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.321783][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.321968][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.322249][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.322436][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.322619][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.322794][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.322975][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.323261][   T67]  kthread (kernel/kthread.c:436)
[   58.323395][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.323622][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.323803][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.323982][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.324281][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.324460][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.324643][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.328371][   T67] ------------[ cut here ]------------
| [   58.328669][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.329025][   T67] Modules linked in:
| [   58.329681][   T67] Tainted: [W]=WARN
[   58.329815][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.330037][   T67] Workqueue: netns cleanup_net
[   58.330321][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.330560][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.331282][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.331504][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a968200 RCX: 1ff4000000090eed
[   58.331769][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9682bc
[   58.332243][   T67] RBP: ff11000008911000 R08: 1fe220000152d059 R09: ff110000091a8bd0
[   58.332506][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.332775][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.333043][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.333559][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.333784][   T67] CR2: 00007fc8d1609430 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.334050][   T67] PKRU: 55555554
[   58.334264][   T67] Call Trace:
[   58.334396][   T67]  <TASK>
[   58.334490][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.334725][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.334944][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.335202][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.335383][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.335561][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.335737][   T67]  ? 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)
[   58.335917][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.336096][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.336353][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.336540][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.336719][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.336897][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.337275][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.337463][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.337649][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.337823][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.338000][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.338260][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.338436][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.338627][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.338807][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.339104][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.339370][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.339553][   T67]  kthread (kernel/kthread.c:436)
[   58.339690][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.339911][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.340088][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.340594][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.340817][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.340994][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.341348][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.351020][   T67] ------------[ cut here ]------------
| [   58.351160][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.351390][   T67] Modules linked in:
| [   58.351758][   T67] Tainted: [W]=WARN
[   58.351849][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.351994][   T67] Workqueue: netns cleanup_net
[   58.352129][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.352283][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.352701][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.352848][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a968900 RCX: 1ff4000000090eed
[   58.353021][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9689bc
[   58.353210][   T67] RBP: ff1100000f624000 R08: 1fe220000152d139 R09: ff110000091a8bd0
[   58.353394][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   58.353571][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.353747][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.353951][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.354103][   T67] CR2: 00007f5f29750f98 CR3: 000000000f4ec006 CR4: 0000000000771ef0
[   58.354285][   T67] PKRU: 55555554
[   58.354372][   T67] Call Trace:
[   58.354460][   T67]  <TASK>
[   58.354526][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.354676][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.354822][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.354945][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.355063][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.355185][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.355302][   T67]  ? 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)
[   58.355420][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.355545][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.355661][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.355777][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.355893][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.356011][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.356157][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.356282][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.356402][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.356524][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.356643][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.356764][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.356879][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.357000][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.357124][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.357240][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.357360][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.357475][   T67]  kthread (kernel/kthread.c:436)
[   58.357568][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.357714][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.357830][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.357949][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.358094][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.358214][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.358330][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.360784][   T67] ------------[ cut here ]------------
| [   58.360916][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.361158][   T67] Modules linked in:
| [   58.361529][   T67] Tainted: [W]=WARN
[   58.361621][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.361768][   T67] Workqueue: netns cleanup_net
[   58.361889][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.362047][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.362469][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.362627][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a968c80 RCX: 1ff4000000090eed
[   58.362806][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a968d3c
[   58.362980][   T67] RBP: ff1100000fc14000 R08: 1fe220000152d1a9 R09: ff110000091a8bd0
[   58.363164][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   58.363340][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.363521][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.363728][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.363874][   T67] CR2: 00007f5f29750f98 CR3: 000000000f4ec006 CR4: 0000000000771ef0
[   58.364049][   T67] PKRU: 55555554
[   58.364199][   T67] Call Trace:
[   58.364287][   T67]  <TASK>
[   58.364353][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.364504][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.364736][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.364855][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.364973][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.365089][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.365260][   T67]  ? 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)
[   58.365380][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.365497][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.365622][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.365737][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.365854][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.365972][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.366088][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.366252][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.366370][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.366487][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.366613][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.366732][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.366848][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.366974][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.367093][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.367253][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.367372][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.367490][   T67]  kthread (kernel/kthread.c:436)
[   58.367582][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.367727][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.367845][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.367962][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.368107][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.368268][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.368386][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.370981][   T67] ------------[ cut here ]------------
| [   58.371124][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   58.371359][   T67] Modules linked in:
| [   58.371726][   T67] Tainted: [W]=WARN
[   58.371815][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.371960][   T67] Workqueue: netns cleanup_net
[   58.372082][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.372245][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.372676][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.372823][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a969000 RCX: 1ff4000000090eed
[   58.372999][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9690bc
[   58.373185][   T67] RBP: ff11000008b39000 R08: 1fe220000152d219 R09: ff110000091a8bd0
[   58.373361][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   58.373542][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.373720][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   58.373924][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.374075][   T67] CR2: 000055d1a154b720 CR3: 0000000010162004 CR4: 0000000000771ef0
[   58.374258][   T67] PKRU: 55555554
[   58.374350][   T67] Call Trace:
[   58.374440][   T67]  <TASK>
[   58.374502][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.374659][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.374804][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.374926][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.375045][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.375168][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.375285][   T67]  ? 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)
[   58.375406][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.375526][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.375644][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.375760][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.375877][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.375997][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.376123][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.376239][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.376359][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.376478][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.376604][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.376725][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.376841][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.376963][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.377086][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.377209][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.377326][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.377442][   T67]  kthread (kernel/kthread.c:436)
[   58.377533][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.377683][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.377799][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.377916][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.378064][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.378187][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.378307][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.393856][   T67] ------------[ cut here ]------------
| [   58.393990][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   58.394243][   T67] Modules linked in:
| [   58.394629][   T67] Tainted: [W]=WARN
[   58.394722][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.394876][   T67] Workqueue: netns cleanup_net
[   58.395005][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.395177][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.395624][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   58.395779][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a9691c0 RCX: 1ff4000000090eaf
[   58.395961][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a96927c
[   58.396155][   T67] RBP: ff11000010101000 R08: 1fe220000152d251 R09: ff110000091a8bd0
[   58.396343][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   58.396532][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff51000
[   58.396718][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   58.396934][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.397090][   T67] CR2: 000055d1a154b720 CR3: 0000000010162004 CR4: 0000000000771ef0
[   58.397287][   T67] PKRU: 55555554
[   58.397378][   T67] Call Trace:
[   58.397470][   T67]  <TASK>
[   58.397539][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.397664][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.397758][   T67]  netif_close_many (net/core/dev.c:1804)
[   58.397884][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.398009][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.398140][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.398265][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   58.398390][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.398548][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   58.398704][   T67]  ? 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)
[   58.398839][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.398995][   T67]  ? 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)
[   58.399124][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.399256][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.399412][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.399543][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.399669][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.399793][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.399920][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.400047][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.400231][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.400409][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.400538][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.400662][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.400787][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.400914][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.401039][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.401218][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.401343][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.401469][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.401601][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.401724][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.401855][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.401980][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.402104][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.402281][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.402405][   T67]  kthread (kernel/kthread.c:436)
[   58.402498][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.402659][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.402782][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.402908][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.403061][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.403236][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.403359][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.405910][   T67] ------------[ cut here ]------------
| [   58.406038][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   58.406291][   T67] Modules linked in:
| [   58.406673][   T67] Tainted: [W]=WARN
[   58.406767][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.406920][   T67] Workqueue: netns cleanup_net
[   58.407055][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.407223][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.407661][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   58.407816][   T67] RAX: 00000000ffffffa6 RBX: ff1100000b6ff700 RCX: 1ff4000000090eaf
[   58.408001][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6ff7bc
[   58.408192][   T67] RBP: ff1100000ff51000 R08: 1fe22000016dfef9 R09: ff110000091a8bd0
[   58.408375][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   58.408563][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d97c000
[   58.408753][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   58.408979][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.409150][   T67] CR2: 000055d1a154b720 CR3: 0000000010162004 CR4: 0000000000771ef0
[   58.409383][   T67] PKRU: 55555554
[   58.409517][   T67] Call Trace:
[   58.409650][   T67]  <TASK>
[   58.409747][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.409929][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.410108][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.410216][   T67]  netif_close_many (net/core/dev.c:1804)
[   58.410342][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.410464][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.410594][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.410722][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   58.410850][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.411007][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   58.411167][   T67]  ? 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)
[   58.411291][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.411495][   T67]  ? 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)
[   58.411674][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.411818][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.412047][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.412206][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.412335][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.412459][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.412590][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.412769][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.412955][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.413179][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.413372][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.413562][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.413747][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.413939][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.414129][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.414274][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.414399][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.414536][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.414669][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.414794][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.414922][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.415046][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.415178][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.415304][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.415429][   T67]  kthread (kernel/kthread.c:436)
[   58.415527][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.415685][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.415810][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.415934][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.416090][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.416219][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.416344][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.418632][   T67] ------------[ cut here ]------------
| [   58.418760][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   58.419002][   T67] Modules linked in:
| [   58.419915][   T67] Tainted: [W]=WARN
[   58.420014][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.420225][   T67] Workqueue: netns cleanup_net
[   58.420353][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.420522][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.420965][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   58.421178][   T67] RAX: 00000000ffffffa6 RBX: ff11000009af1540 RCX: 1ff4000000090eaf
[   58.421363][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009af15fc
[   58.421556][   T67] RBP: ff1100000d97c000 R08: 1fe220000135e2c1 R09: ff110000091a8bd0
[   58.421741][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   58.421980][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   58.422225][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   58.422444][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.422609][   T67] CR2: 000055d1a154b720 CR3: 0000000010162004 CR4: 0000000000771ef0
[   58.422796][   T67] PKRU: 55555554
[   58.422889][   T67] Call Trace:
[   58.422982][   T67]  <TASK>
[   58.423046][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.423223][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.423349][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.423444][   T67]  netif_close_many (net/core/dev.c:1804)
[   58.423573][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.423695][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.423818][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.423941][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   58.424068][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.424275][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   58.424431][   T67]  ? 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)
[   58.424560][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.424712][   T67]  ? 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)
[   58.424836][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.424958][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.425111][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.425291][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.425415][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.425545][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.425669][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.425796][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.425922][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.426045][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.426219][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.426343][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.426467][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.426595][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.426722][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.426847][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.426969][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.427094][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.427271][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.427394][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.427528][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.427653][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.427778][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.427907][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.428030][   T67]  kthread (kernel/kthread.c:436)
[   58.428175][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.428328][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.428451][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.428580][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.428732][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.428856][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.428982][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.433298][   T67] ------------[ cut here ]------------
| [   58.433433][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.433676][   T67] Modules linked in:
| [   58.434043][   T67] Tainted: [W]=WARN
[   58.434149][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.434299][   T67] Workqueue: netns cleanup_net
[   58.434423][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.434584][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.435018][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   58.435172][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cadfc40 RCX: 1ff4000000090ed5
[   58.435347][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cadfcfc
[   58.435529][   T67] RBP: ff11000010101000 R08: 1fe220000195bfa1 R09: ff110000091a8bd0
[   58.435705][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   58.435880][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.436058][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.436275][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.436424][   T67] CR2: 00007f0b1e529574 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   58.436607][   T67] PKRU: 55555554
[   58.436696][   T67] Call Trace:
[   58.436789][   T67]  <TASK>
[   58.436851][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.437007][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.437164][   T67]  ? 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)
[   58.437283][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.437402][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.437559][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.437681][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.437802][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.437923][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.438045][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.438170][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.438289][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.438407][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.438531][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.438653][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.438772][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.438893][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.439016][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.439144][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.439266][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.439388][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.439506][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.439635][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.439759][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.439878][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.439999][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.440124][   T67]  kthread (kernel/kthread.c:436)
[   58.440214][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.440363][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.440482][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.440609][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.440760][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.440880][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.440998][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.445134][   T67] ------------[ cut here ]------------
| [   58.445332][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.445613][   T67] Modules linked in:
| [   58.446076][   T67] Tainted: [W]=WARN
[   58.446197][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.446348][   T67] Workqueue: netns cleanup_net
[   58.446473][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.446657][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.447213][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   58.447369][   T67] RAX: 00000000ffffffa6 RBX: ff1100000df0c740 RCX: 1ff4000000090ed5
[   58.447552][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df0c7fc
[   58.447729][   T67] RBP: ff1100000ff51000 R08: 1fe2200001be1901 R09: ff110000091a8bd0
[   58.447909][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.448085][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.448274][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.448484][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.448639][   T67] CR2: 00007f5f29626800 CR3: 000000000c1dd001 CR4: 0000000000771ef0
[   58.448819][   T67] PKRU: 55555554
[   58.448908][   T67] Call Trace:
[   58.448999][   T67]  <TASK>
[   58.449066][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.449229][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.449381][   T67]  ? 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)
[   58.449500][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.449628][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.449781][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.449903][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.450029][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.450155][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.450274][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.450395][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.450519][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.450640][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.450764][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.450885][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.451005][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.451128][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.451250][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.451368][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.451488][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.451617][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.451737][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.451863][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.451984][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.452102][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.452231][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.452351][   T67]  kthread (kernel/kthread.c:436)
[   58.452439][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.452591][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.452709][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.452828][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.452975][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.453092][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.453217][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.456069][   T67] ------------[ cut here ]------------
| [   58.456296][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.456540][   T67] Modules linked in:
| [   58.456901][   T67] Tainted: [W]=WARN
[   58.456992][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.457159][   T67] Workqueue: netns cleanup_net
[   58.457288][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.457442][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.457870][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   58.458018][   T67] RAX: 00000000ffffffa6 RBX: ff1100000df0d8c0 RCX: 1ff4000000090ed5
[   58.458217][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df0d97c
[   58.458402][   T67] RBP: ff1100000d97c000 R08: 1fe2200001be1b31 R09: ff110000091a8bd0
[   58.458582][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.458770][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.458952][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.459176][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.459325][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.459504][   T67] PKRU: 55555554
[   58.459598][   T67] Call Trace:
[   58.459687][   T67]  <TASK>
[   58.459751][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.459904][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.460057][   T67]  ? 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)
[   58.460182][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.460300][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.460452][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.460578][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.460704][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.460823][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.460944][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.461065][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.461188][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.461307][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.461427][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.461569][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.461739][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.461910][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.462054][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.462181][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.462302][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.462425][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.462549][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.462681][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.462802][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.462921][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.463040][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.463161][   T67]  kthread (kernel/kthread.c:436)
[   58.463251][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.463398][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.463524][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.463644][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.463791][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.463912][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.464036][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.517781][   T67] ------------[ cut here ]------------
| [   58.517929][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.518224][   T67] Modules linked in:
| [   58.518598][   T67] Tainted: [W]=WARN
[   58.518688][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.518841][   T67] Workqueue: netns cleanup_net
[   58.518968][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.519130][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.519568][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.519717][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de07540 RCX: 1ff4000000090eed
[   58.519896][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de075fc
[   58.520073][   T67] RBP: ff1100000b7d4000 R08: 1fe2200001bc0ec1 R09: ff110000091a8bd0
[   58.520259][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.520438][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.520624][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.520831][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.520986][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.521177][   T67] PKRU: 55555554
[   58.521272][   T67] Call Trace:
[   58.521361][   T67]  <TASK>
[   58.521425][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.521584][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.521729][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.521849][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.521970][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.522086][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.522211][   T67]  ? 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)
[   58.522332][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.522451][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.522575][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.522692][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.522812][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.522931][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.523048][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.523171][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.523295][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.523416][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.523542][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.523663][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.523781][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.523907][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.524025][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.524148][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.524269][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.524385][   T67]  kthread (kernel/kthread.c:436)
[   58.524474][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.524633][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.524754][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.524872][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.525019][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.525144][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.525264][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.527498][   T67] ------------[ cut here ]------------
| [   58.527624][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.527856][   T67] Modules linked in:
| [   58.528228][   T67] Tainted: [W]=WARN
[   58.528321][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.528468][   T67] Workqueue: netns cleanup_net
[   58.528599][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.528753][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.529176][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.529324][   T67] RAX: 00000000ffffffa6 RBX: ff1100000962e740 RCX: 1ff4000000090eed
[   58.529499][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962e7fc
[   58.529685][   T67] RBP: ff11000006161000 R08: 1fe22000012c5d01 R09: ff110000091a8bd0
[   58.529860][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.530038][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.530218][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.530428][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.530581][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.530755][   T67] PKRU: 55555554
[   58.530842][   T67] Call Trace:
[   58.530929][   T67]  <TASK>
[   58.530991][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.531147][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.531295][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.531413][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.531541][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.531662][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.531780][   T67]  ? 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)
[   58.531901][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.532023][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.532146][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.532264][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.532382][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.532502][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.532626][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.532742][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.532860][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.532976][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.533094][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.533220][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.533336][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.533458][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.533582][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.533698][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.533817][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.533932][   T67]  kthread (kernel/kthread.c:436)
[   58.534023][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.534174][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.534292][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.534410][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.534559][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.534675][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.534792][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.536975][   T67] ------------[ cut here ]------------
| [   58.537092][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.537328][   T67] Modules linked in:
| [   58.537688][   T67] Tainted: [W]=WARN
[   58.537775][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.537920][   T67] Workqueue: netns cleanup_net
[   58.538045][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.538203][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.538622][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.538769][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d3d6200 RCX: 1ff4000000090eed
[   58.538944][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d62bc
[   58.539125][   T67] RBP: ff1100000fe44000 R08: 1fe2200001a7ac59 R09: ff110000091a8bd0
[   58.539301][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.539474][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.539658][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.539864][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.540011][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.540196][   T67] PKRU: 55555554
[   58.540283][   T67] Call Trace:
[   58.540375][   T67]  <TASK>
[   58.540436][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.540591][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.540740][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.540857][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.540975][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.541091][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.541213][   T67]  ? 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)
[   58.541332][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.541450][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.541578][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.541695][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.541813][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.541932][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.542048][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.542174][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.542293][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.542408][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.542530][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.542650][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.542765][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.542885][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.543004][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.543124][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.543242][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.543360][   T67]  kthread (kernel/kthread.c:436)
[   58.543448][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.543599][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.543720][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.543838][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.543984][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.544101][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.544225][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.546186][   T67] ------------[ cut here ]------------
| [   58.546302][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.546540][   T67] Modules linked in:
| [   58.546899][   T67] Tainted: [W]=WARN
[   58.546987][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.547142][   T67] Workqueue: netns cleanup_net
[   58.547263][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.547420][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.547845][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.547992][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d3d6580 RCX: 1ff4000000090eed
[   58.548172][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d663c
[   58.548344][   T67] RBP: ff110000088f1000 R08: 1fe2200001a7acc9 R09: ff110000091a8bd0
[   58.548523][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.548698][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.548873][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.549074][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.549224][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.549401][   T67] PKRU: 55555554
[   58.549487][   T67] Call Trace:
[   58.549580][   T67]  <TASK>
[   58.549719][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.549874][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.550022][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.550216][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.550334][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.550451][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.550572][   T67]  ? 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)
[   58.550690][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.550879][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.550994][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.551111][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.551309][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.551427][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.551550][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.551665][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.551783][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.551971][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.552091][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.552217][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.552338][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.552532][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.552652][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.552767][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.552885][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.553072][   T67]  kthread (kernel/kthread.c:436)
[   58.553169][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.553314][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.553432][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.553626][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.553775][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.553891][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.554078][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.556537][   T67] ------------[ cut here ]------------
| [   58.556653][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.556948][   T67] Modules linked in:
| [   58.557476][   T67] Tainted: [W]=WARN
[   58.557571][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.557716][   T67] Workqueue: netns cleanup_net
[   58.557837][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.557988][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.558453][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.558605][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d3d6900 RCX: 1ff4000000090eed
[   58.558781][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d69bc
[   58.558954][   T67] RBP: ff11000008fc4000 R08: 1fe2200001a7ad39 R09: ff110000091a8bd0
[   58.559176][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.559353][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.559583][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.559784][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.559930][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.560111][   T67] PKRU: 55555554
[   58.560245][   T67] Call Trace:
[   58.560331][   T67]  <TASK>
[   58.560394][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.560549][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.560695][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.560814][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.560932][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.561049][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.561212][   T67]  ? 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)
[   58.561331][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.561449][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.561570][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.561683][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.561800][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.561918][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.562035][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.562195][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.562312][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.562429][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.562550][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.562669][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.562787][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.562907][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.563025][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.563188][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.563308][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.563423][   T67]  kthread (kernel/kthread.c:436)
[   58.563510][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.563659][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.563777][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.563893][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.564037][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.564199][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.564316][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.581642][   T67] ------------[ cut here ]------------
| [   58.581775][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.582017][   T67] Modules linked in:
| [   58.582835][   T67] Tainted: [W]=WARN
[   58.582927][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.583083][   T67] Workqueue: netns cleanup_net
[   58.583267][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.583429][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.583926][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   58.584081][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d3d6ac0 RCX: 1ff4000000090eaf
[   58.584319][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d6b7c
[   58.584501][   T67] RBP: ff11000007d21000 R08: 1fe2200001a7ad71 R09: ff110000091a8bd0
[   58.584689][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   58.584870][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009094000
[   58.585056][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.585320][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.585472][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.585683][   T67] PKRU: 55555554
[   58.585778][   T67] Call Trace:
[   58.585868][   T67]  <TASK>
[   58.585934][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.586058][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.586204][   T67]  netif_close_many (net/core/dev.c:1804)
[   58.586327][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.586448][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.586575][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.586695][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   58.586817][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.586971][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   58.587175][   T67]  ? 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)
[   58.587299][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.587449][   T67]  ? 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)
[   58.587576][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.587697][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.587849][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.587981][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.588104][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.588278][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.588401][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.588529][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.588653][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.588773][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.588896][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.589017][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.589191][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.589315][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.589438][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.589572][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.589694][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.589818][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.589945][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.590066][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.590241][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.590365][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.590487][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.590615][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.590735][   T67]  kthread (kernel/kthread.c:436)
[   58.590829][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.590981][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.591104][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.591283][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.591437][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.591569][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.591692][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.594025][   T67] ------------[ cut here ]------------
| [   58.594171][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.594418][   T67] Modules linked in:
| [   58.594796][   T67] Tainted: [W]=WARN
[   58.594888][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.595040][   T67] Workqueue: netns cleanup_net
[   58.595175][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.595333][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.595777][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   58.595930][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb2c040 RCX: 1ff4000000090eaf
[   58.596112][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb2c0fc
[   58.596305][   T67] RBP: ff11000009094000 R08: 1fe2200001965821 R09: ff110000091a8bd0
[   58.596484][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   58.596672][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006291000
[   58.596853][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.597064][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.597222][   T67] CR2: 00007fbec0f0f574 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   58.597407][   T67] PKRU: 55555554
[   58.597497][   T67] Call Trace:
[   58.597594][   T67]  <TASK>
[   58.597658][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.597781][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.597903][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.597996][   T67]  netif_close_many (net/core/dev.c:1804)
[   58.598125][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.598255][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.598381][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.598507][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   58.598635][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.598787][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   58.598937][   T67]  ? 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)
[   58.599060][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.599216][   T67]  ? 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)
[   58.599336][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.599455][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.599614][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.599738][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.599860][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.599984][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.600104][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.600233][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.600355][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.600476][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.600603][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.600724][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.600846][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.600967][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.601085][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.601213][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.601333][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.601455][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.601589][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.601710][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.601834][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.601957][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.602078][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.602258][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.602411][   T67]  kthread (kernel/kthread.c:436)
[   58.602504][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.602661][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.602782][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.602903][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.603055][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.603182][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.603306][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.615276][   T67] ------------[ cut here ]------------
| [   58.615425][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.615720][   T67] Modules linked in:
| [   58.616109][   T67] Tainted: [W]=WARN
[   58.616424][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.616591][   T67] Workqueue: netns cleanup_net
[   58.616719][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.616878][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.617403][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   58.617561][   T67] RAX: 00000000ffffffa6 RBX: ff1100000cb2d540 RCX: 1ff4000000090eaf
[   58.617742][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb2d5fc
[   58.617924][   T67] RBP: ff11000006291000 R08: 1fe2200001965ac1 R09: ff110000091a8bd0
[   58.618103][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   58.618434][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   58.618623][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.618835][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.618988][   T67] CR2: 00007fbec0f0f574 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   58.619256][   T67] PKRU: 55555554
[   58.619351][   T67] Call Trace:
[   58.619451][   T67]  <TASK>
[   58.619525][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.619647][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.619769][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.619862][   T67]  netif_close_many (net/core/dev.c:1804)
[   58.619985][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.620107][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.620292][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.620414][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   58.620546][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.620708][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   58.620860][   T67]  ? 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)
[   58.620981][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.621183][   T67]  ? 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)
[   58.621305][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.621425][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.621586][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   58.621709][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.621833][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.621957][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.622078][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.622255][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.622378][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.622499][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.622627][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.622749][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.622872][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.622994][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.623114][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.623290][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.623410][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.623539][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.623664][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.623785][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.623911][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.624035][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.624207][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.624330][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.624451][   T67]  kthread (kernel/kthread.c:436)
[   58.624548][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.624699][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.624830][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.624954][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.625107][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.625282][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.625404][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.628092][   T67] ------------[ cut here ]------------
| [   58.628232][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.628482][   T67] Modules linked in:
| [   58.628857][   T67] Tainted: [W]=WARN
[   58.628950][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.629098][   T67] Workqueue: netns cleanup_net
[   58.629234][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.629390][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.629820][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   58.629968][   T67] RAX: 00000000ffffffa6 RBX: ff1100000b862900 RCX: 1ff4000000090ed5
[   58.630156][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8629bc
[   58.630331][   T67] RBP: ff11000007d21000 R08: 1fe220000170c539 R09: ff110000091a8bd0
[   58.630505][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.630688][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.630864][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.631072][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.631225][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.631404][   T67] PKRU: 55555554
[   58.631499][   T67] Call Trace:
[   58.631595][   T67]  <TASK>
[   58.631658][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.631814][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.631961][   T67]  ? 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)
[   58.632080][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.632205][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.632360][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.632479][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.632603][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.632725][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.632845][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.632964][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.633081][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.633204][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.633323][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.633442][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.633565][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.633684][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.633802][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.633918][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.634045][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.634173][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.634290][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.634413][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.634538][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.634656][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.634775][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.634892][   T67]  kthread (kernel/kthread.c:436)
[   58.634983][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.635142][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.635262][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.635382][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.635536][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.635654][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.635772][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.638338][   T67] ------------[ cut here ]------------
| [   58.638461][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.638697][   T67] Modules linked in:
| [   58.639060][   T67] Tainted: [W]=WARN
[   58.639157][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.639307][   T67] Workqueue: netns cleanup_net
[   58.639451][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.639609][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.640031][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   58.640184][   T67] RAX: 00000000ffffffa6 RBX: ff1100000b863c40 RCX: 1ff4000000090ed5
[   58.640360][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b863cfc
[   58.640543][   T67] RBP: ff11000009094000 R08: 1fe220000170c7a1 R09: ff110000091a8bd0
[   58.640718][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.640893][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.641075][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.641290][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.641438][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.641621][   T67] PKRU: 55555554
[   58.641709][   T67] Call Trace:
[   58.641797][   T67]  <TASK>
[   58.641863][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.642015][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.642173][   T67]  ? 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)
[   58.642293][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.642409][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.642565][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.642687][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.642808][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.642932][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.643055][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.643180][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.643300][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.643417][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.643545][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.643664][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.643783][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.643903][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.644025][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.644148][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.644271][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.644394][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.644512][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.644641][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.644761][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.644881][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.645002][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.645125][   T67]  kthread (kernel/kthread.c:436)
[   58.645215][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.645362][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.645481][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.645605][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.645757][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.645876][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.645995][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.648658][   T67] ------------[ cut here ]------------
| [   58.648790][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.649020][   T67] Modules linked in:
| [   58.649387][   T67] Tainted: [W]=WARN
[   58.649476][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.649630][   T67] Workqueue: netns cleanup_net
[   58.649752][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.649903][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.650326][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   58.650476][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d8d4e40 RCX: 1ff4000000090ed5
[   58.650656][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8d4efc
[   58.650830][   T67] RBP: ff11000006291000 R08: 1fe2200001b1a9e1 R09: ff110000091a8bd0
[   58.651008][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.651189][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.651367][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.651577][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.651724][   T67] CR2: 00007f5f29626800 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.651901][   T67] PKRU: 55555554
[   58.651993][   T67] Call Trace:
[   58.652080][   T67]  <TASK>
[   58.652146][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.652295][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.652466][   T67]  ? 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)
[   58.652587][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.652706][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   58.652858][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.652983][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.653103][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.653226][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.653346][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.653469][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.653592][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.653710][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.653830][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.653949][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.654066][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.654189][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.654308][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.654425][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.654550][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.654676][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.654800][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.654921][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.655040][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.655160][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.655280][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.655399][   T67]  kthread (kernel/kthread.c:436)
[   58.655487][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.655640][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.655759][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.655876][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.656024][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.656146][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.656266][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.712892][   T67] ------------[ cut here ]------------
| [   58.713043][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.713288][   T67] Modules linked in:
| [   58.713662][   T67] Tainted: [W]=WARN
[   58.713752][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.713899][   T67] Workqueue: netns cleanup_net
[   58.714026][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.714188][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.714630][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.714781][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d8d5c40 RCX: 1ff4000000090eed
[   58.714956][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8d5cfc
[   58.715139][   T67] RBP: ff110000102bc000 R08: 1fe2200001b1aba1 R09: ff110000091a8bd0
[   58.715317][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.715492][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.715676][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.715884][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.716033][   T67] CR2: 00007f5579342574 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.716215][   T67] PKRU: 55555554
[   58.716303][   T67] Call Trace:
[   58.716391][   T67]  <TASK>
[   58.716453][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.716615][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.716763][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.716881][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.716999][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.717113][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.717240][   T67]  ? 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)
[   58.717358][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.717477][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.717599][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.717719][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.717841][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.717961][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.718079][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.718200][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.718319][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.718439][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.718561][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.718683][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.718800][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.718916][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.719035][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.719156][   T67]  kthread (kernel/kthread.c:436)
[   58.719243][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.719389][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.719506][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.719629][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.719773][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.719891][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.720011][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.722190][   T67] ------------[ cut here ]------------
| [   58.722306][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.722539][   T67] Modules linked in:
| [   58.722898][   T67] Tainted: [W]=WARN
[   58.722985][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.723509][   T67] Workqueue: netns cleanup_net
[   58.723638][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.723790][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.724220][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.724367][   T67] RAX: 00000000ffffffa6 RBX: ff1100000962eac0 RCX: 1ff4000000090eed
[   58.724546][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962eb7c
[   58.724719][   T67] RBP: ff11000009c29000 R08: 1fe22000012c5d71 R09: ff110000091a8bd0
[   58.724891][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.725067][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.725245][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.725451][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.725602][   T67] CR2: 00007f5579342574 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.725780][   T67] PKRU: 55555554
[   58.725867][   T67] Call Trace:
[   58.725954][   T67]  <TASK>
[   58.726014][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.726171][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.726316][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.726436][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.726557][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.726672][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.726788][   T67]  ? 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)
[   58.726906][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.727023][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.727144][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.727265][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.727382][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.727499][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.727624][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.727740][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.727859][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.727984][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.728102][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.728231][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.728349][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.728465][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.728590][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.728706][   T67]  kthread (kernel/kthread.c:436)
[   58.728794][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.728938][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.729056][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.729178][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.729324][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.729441][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.729566][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.731710][   T67] ------------[ cut here ]------------
| [   58.731827][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.732052][   T67] Modules linked in:
| [   58.732785][   T67] Tainted: [W]=WARN
[   58.732873][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.733018][   T67] Workqueue: netns cleanup_net
[   58.733294][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.733446][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.733886][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.734032][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c5f8040 RCX: 1ff4000000090eed
[   58.734273][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f80fc
[   58.734447][   T67] RBP: ff1100000629c000 R08: 1fe22000018bf021 R09: ff110000091a8bd0
[   58.734625][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.734797][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.734971][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.735262][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.735408][   T67] CR2: 00007f5579342574 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.735587][   T67] PKRU: 55555554
[   58.735674][   T67] Call Trace:
[   58.735761][   T67]  <TASK>
[   58.735822][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.735970][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.736190][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.736307][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.736424][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.736546][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.736663][   T67]  ? 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)
[   58.736781][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.736899][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.737014][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.737208][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.737327][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.737442][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.737566][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.737682][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.737800][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.737920][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.738039][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.738232][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.738351][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.738467][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.738590][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.738706][   T67]  kthread (kernel/kthread.c:436)
[   58.738795][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.738942][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.739061][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.739332][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.739482][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.739606][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.739723][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.741845][   T67] ------------[ cut here ]------------
| [   58.741974][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.742215][   T67] Modules linked in:
| [   58.742581][   T67] Tainted: [W]=WARN
[   58.742669][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.742816][   T67] Workqueue: netns cleanup_net
[   58.742938][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.743099][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.743531][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.743681][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c5f8740 RCX: 1ff4000000090eed
[   58.743856][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f87fc
[   58.744039][   T67] RBP: ff11000010261000 R08: 1fe22000018bf101 R09: ff110000091a8bd0
[   58.744226][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   58.744409][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.744588][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.744793][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.744938][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   58.745112][   T67] PKRU: 55555554
[   58.745207][   T67] Call Trace:
[   58.745295][   T67]  <TASK>
[   58.745357][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.745507][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.745656][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.745773][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.745891][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.746008][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.746129][   T67]  ? 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)
[   58.746247][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.746365][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.746479][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.746603][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.746720][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.746835][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.746953][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.747069][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.747190][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.747308][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.747424][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.747556][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.747674][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.747790][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.747907][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.748022][   T67]  kthread (kernel/kthread.c:436)
[   58.748110][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.748263][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.748381][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.748498][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.748648][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.748765][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.748883][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.750836][   T67] ------------[ cut here ]------------
| [   58.750954][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.751185][   T67] Modules linked in:
| [   58.751562][   T67] Tainted: [W]=WARN
[   58.751650][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.751795][   T67] Workqueue: netns cleanup_net
[   58.751916][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.752068][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.752491][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   58.752642][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c5f83c0 RCX: 1ff4000000090eed
[   58.752814][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f847c
[   58.752986][   T67] RBP: ff1100001040c000 R08: 1fe22000018bf091 R09: ff110000091a8bd0
[   58.753166][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   58.753340][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.753519][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.753723][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.753869][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   58.754044][   T67] PKRU: 55555554
[   58.754142][   T67] Call Trace:
[   58.754229][   T67]  <TASK>
[   58.754290][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.754437][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.754586][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   58.754706][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   58.754823][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   58.754939][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   58.755055][   T67]  ? 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)
[   58.755179][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   58.755296][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.755412][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.755534][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.755653][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.755768][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.755886][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.756003][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.756125][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.756246][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.756361][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.756481][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.756604][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.756720][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.756839][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.756955][   T67]  kthread (kernel/kthread.c:436)
[   58.757043][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.757194][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.757311][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.757432][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.757581][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.757701][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.757818][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.773331][   T67] ------------[ cut here ]------------
| [   58.773470][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.773718][   T67] Modules linked in:
| [   58.774092][   T67] Tainted: [W]=WARN
[   58.774197][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.774358][   T67] Workqueue: netns cleanup_net
[   58.774484][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.774650][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.775086][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   58.775252][   T67] RAX: 00000000ffffffa6 RBX: ff1100000c5f8900 RCX: 1ff4000000090eaf
[   58.775463][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f89bc
[   58.775652][   T67] RBP: ff11000010411000 R08: 1fe22000018bf139 R09: ff110000091a8bd0
[   58.775839][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   58.776020][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000088e9000
[   58.776214][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.776430][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.776592][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   58.776778][   T67] PKRU: 55555554
[   58.776869][   T67] Call Trace:
[   58.776959][   T67]  <TASK>
[   58.777023][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.777201][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.777294][   T67]  netif_close_many (net/core/dev.c:1804)
[   58.777420][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   58.777546][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.777701][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.777825][   T67]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   58.777951][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   58.778106][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.778312][   T67]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   58.778438][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.778571][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.778695][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.778818][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.778940][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.779065][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.779236][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.779357][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.779483][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.779610][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.779731][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.779854][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.779976][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.780113][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.780288][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.780409][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.780538][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.780662][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.780783][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.780908][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.781030][   T67]  kthread (kernel/kthread.c:436)
[   58.781173][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.781326][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.781448][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.781578][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.781741][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.781873][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.781997][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.783781][   T67] ------------[ cut here ]------------
| [   58.783907][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.784155][   T67] Modules linked in:
| [   58.784536][   T67] Tainted: [W]=WARN
[   58.784629][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.784783][   T67] Workqueue: netns cleanup_net
[   58.784909][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.785068][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.785523][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   58.785680][   T67] RAX: 00000000ffffffa6 RBX: ff1100000b6fe200 RCX: 1ff4000000090eaf
[   58.785863][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6fe2bc
[   58.786045][   T67] RBP: ff110000088e9000 R08: 1fe22000016dfc59 R09: ff110000091a8bd0
[   58.786241][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   58.786424][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   58.786614][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.786827][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.786983][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   58.787179][   T67] PKRU: 55555554
[   58.787270][   T67] Call Trace:
[   58.787366][   T67]  <TASK>
[   58.787430][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.787556][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.787681][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.787774][   T67]  netif_close_many (net/core/dev.c:1804)
[   58.787896][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   58.788018][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   58.788175][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.788297][   T67]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   58.788421][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   58.788583][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.788738][   T67]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   58.788862][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.788990][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.789113][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.789242][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.789364][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.789486][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.789616][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.789737][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.789863][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.789985][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.790105][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.790234][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.790355][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.790477][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.790609][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.790732][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.790858][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.790982][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.791103][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.791233][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.791355][   T67]  kthread (kernel/kthread.c:436)
[   58.791448][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.791602][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.791734][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.791856][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.792010][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.792137][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.792260][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.794500][   T67] ------------[ cut here ]------------
| [   58.794640][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   58.794874][   T67] Modules linked in:
| [   58.795710][   T67] Tainted: [W]=WARN
[   58.795801][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.795948][   T67] Workqueue: netns cleanup_net
[   58.796072][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.796280][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.796707][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   58.796856][   T67] RAX: 00000000ffffffa6 RBX: ff1100000dd43380 RCX: 1ff4000000090ed5
[   58.797041][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd4343c
[   58.797266][   T67] RBP: ff11000010411000 R08: 1fe2200001ba8689 R09: ff110000091a8bd0
[   58.797441][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   58.797619][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.797795][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   58.798002][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.798197][   T67] CR2: 00007f5f295a7580 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   58.798374][   T67] PKRU: 55555554
[   58.798462][   T67] Call Trace:
[   58.798552][   T67]  <TASK>
[   58.798615][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.798769][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.798925][   T67]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   58.799043][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.799210][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.799330][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.799448][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.799571][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.799690][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.799811][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.799927][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.800049][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.800217][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.800336][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.800455][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.800577][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.800698][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.800822][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.800939][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.801061][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.801229][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.801348][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.801466][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.801588][   T67]  kthread (kernel/kthread.c:436)
[   58.801678][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.801829][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.801947][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.802064][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.802257][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.802374][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.802491][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.804954][   T67] ------------[ cut here ]------------
| [   58.805082][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   58.805333][   T67] Modules linked in:
| [   58.805700][   T67] Tainted: [W]=WARN
[   58.805793][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.805940][   T67] Workqueue: netns cleanup_net
[   58.806064][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.806224][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.806646][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   58.806794][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d069380 RCX: 1ff4000000090ed5
[   58.806969][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d06943c
[   58.807151][   T67] RBP: ff110000088e9000 R08: 1fe2200001a0d289 R09: ff110000091a8bd0
[   58.807329][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.807505][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.807686][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   58.807891][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.808038][   T67] CR2: 00007f5579342574 CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   58.808219][   T67] PKRU: 55555554
[   58.808307][   T67] Call Trace:
[   58.808399][   T67]  <TASK>
[   58.808461][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   58.808622][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   58.808770][   T67]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   58.808887][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.809007][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   58.809130][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   58.809249][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   58.809368][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   58.809487][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   58.809611][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   58.809728][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.809848][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   58.809967][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.810084][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   58.810209][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.810327][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.810445][   T67]  process_one_work (kernel/workqueue.c:3314)
[   58.810572][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.810690][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.810812][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.810935][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.811053][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.811178][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.811296][   T67]  kthread (kernel/kthread.c:436)
[   58.811385][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.811536][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.811654][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.811773][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.811919][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.812041][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.812167][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.027870][  T960] ------------[ cut here ]------------
| [   59.028089][  T960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/960
| [   59.028384][  T960] Modules linked in:
| [   59.028859][  T960] Tainted: [W]=WARN
[   59.029014][  T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.029304][  T960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.029592][  T960] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.030204][  T960] RSP: 0018:ffa00000025f7a80 EFLAGS: 00010286
[   59.030482][  T960] RAX: 00000000ffffffa6 RBX: ff1100000b6fe900 RCX: 1ff40000004bef16
[   59.030772][  T960] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6fe9bc
[   59.031014][  T960] RBP: ff110000079ec000 R08: 1fe22000016dfd39 R09: ff11000008d85180
[   59.031274][  T960] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.031524][  T960] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000079ec000
[   59.031768][  T960] FS:  00007f0d09a56840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   59.032048][  T960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.032272][  T960] CR2: 00007f0d09dcf493 CR3: 0000000004ceb002 CR4: 0000000000771ef0
[   59.032523][  T960] PKRU: 55555554
[   59.032669][  T960] Call Trace:
[   59.032814][  T960]  <TASK>
[   59.032931][  T960]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.033111][  T960]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.033305][  T960]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.033453][  T960]  register_netdevice (net/core/dev.c:11488)
[   59.033641][  T960]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.033852][  T960]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.034034][  T960]  register_netdev (net/core/dev.c:11552)
[   59.034226][  T960]  loopback_net_init (drivers/net/loopback.c:218)
[   59.034406][  T960]  ops_init (net/core/net_namespace.c:137)
[   59.034561][  T960]  setup_net (net/core/net_namespace.c:446)
[   59.034709][  T960]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.034884][  T960]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.035064][  T960]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.035262][  T960]  copy_net_ns (net/core/net_namespace.c:579)
[   59.035445][  T960]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.035632][  T960]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.035809][  T960]  ksys_unshare (kernel/fork.c:3243)
[   59.035988][  T960]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.036185][  T960]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.036363][  T960]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.036550][  T960]  ? __ia32_sys_open (fs/open.c:1374)
[   59.036732][  T960]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.036908][  T960]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.037087][  T960]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.037279][  T960]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.037457][  T960]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.037641][  T960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.037849][  T960] RIP: 0033:0x7f0d09d18bcb
[   59.038033][  T960] 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
[   59.038571][  T960] RSP: 002b:00007fff28931e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.038824][  T960] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0d09d18bcb
[   59.039073][  T960] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.039329][  T960] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.039578][  T960] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff28934040
[   59.039821][  T960] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2893488a
| [   59.044772][  T960] ------------[ cut here ]------------
| [   59.044954][  T960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/960
| [   59.045242][  T960] Modules linked in:
| [   59.045713][  T960] Tainted: [W]=WARN
[   59.045857][  T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.046066][  T960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.046295][  T960] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.046809][  T960] RSP: 0018:ffa00000025f7918 EFLAGS: 00010286
[   59.047019][  T960] RAX: 00000000ffffffa6 RBX: ff1100000de06900 RCX: 1ff40000004beee9
[   59.047803][  T960] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de069bc
[   59.048108][  T960] RBP: ff1100000fc41000 R08: 1fe2200001bc0d39 R09: ff11000008d85180
[   59.048428][  T960] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.048732][  T960] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc41000
[   59.049032][  T960] FS:  00007f0d09a56840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   59.049381][  T960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.049653][  T960] CR2: 00007f0d09dcf493 CR3: 0000000004ceb002 CR4: 0000000000771ef0
[   59.049949][  T960] PKRU: 55555554
[   59.050161][  T960] Call Trace:
[   59.050361][  T960]  <TASK>
[   59.050541][  T960]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.050776][  T960]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.051009][  T960]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.051220][  T960]  register_netdevice (net/core/dev.c:11488)
[   59.051459][  T960]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.051737][  T960]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.051973][  T960]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   59.052220][  T960]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   59.052457][  T960]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   59.052702][  T960]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   59.052935][  T960]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   59.053186][  T960]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   59.053421][  T960]  ops_init (net/core/net_namespace.c:137)
[   59.053621][  T960]  setup_net (net/core/net_namespace.c:446)
[   59.053766][  T960]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.053942][  T960]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.054135][  T960]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.054318][  T960]  copy_net_ns (net/core/net_namespace.c:579)
[   59.054499][  T960]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.054690][  T960]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.054874][  T960]  ksys_unshare (kernel/fork.c:3243)
[   59.055056][  T960]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.055249][  T960]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.055428][  T960]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.055619][  T960]  ? __ia32_sys_open (fs/open.c:1374)
[   59.055799][  T960]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.055975][  T960]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.056168][  T960]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.056346][  T960]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.056532][  T960]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.056714][  T960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.056921][  T960] RIP: 0033:0x7f0d09d18bcb
[   59.057105][  T960] 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
[   59.057631][  T960] RSP: 002b:00007fff28931e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.057873][  T960] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0d09d18bcb
[   59.058127][  T960] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.058368][  T960] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.058616][  T960] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff28934040
[   59.058856][  T960] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2893488a
| [   59.069563][  T960] ------------[ cut here ]------------
| [   59.069743][  T960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/960
| [   59.070018][  T960] Modules linked in:
| [   59.070505][  T960] Tainted: [W]=WARN
[   59.070660][  T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.070872][  T960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.071092][  T960] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.071631][  T960] RSP: 0018:ffa00000025f78f8 EFLAGS: 00010286
[   59.071843][  T960] RAX: 00000000ffffffa6 RBX: ff110000053f0ac0 RCX: 1ff40000004beee5
[   59.072083][  T960] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f0b7c
[   59.072334][  T960] RBP: ff11000005111000 R08: 1fe2200000a7e171 R09: ff11000008d85180
[   59.072585][  T960] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.072826][  T960] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005111000
[   59.073069][  T960] FS:  00007f0d09a56840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   59.073356][  T960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.073578][  T960] CR2: 00007f0d09dcf493 CR3: 0000000004ceb002 CR4: 0000000000771ef0
[   59.073826][  T960] PKRU: 55555554
[   59.073971][  T960] Call Trace:
[   59.074130][  T960]  <TASK>
[   59.074245][  T960]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.074424][  T960]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.074612][  T960]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.074765][  T960]  register_netdevice (net/core/dev.c:11488)
[   59.074945][  T960]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.075169][  T960]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.075350][  T960]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   59.075534][  T960]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   59.075712][  T960]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   59.075892][  T960]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   59.076076][  T960]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   59.076266][  T960]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   59.076446][  T960]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.076632][  T960]  vti_init_net (net/ipv4/ip_vti.c:517)
[   59.076810][  T960]  ops_init (net/core/net_namespace.c:137)
[   59.076959][  T960]  setup_net (net/core/net_namespace.c:446)
[   59.077107][  T960]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.077296][  T960]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.077480][  T960]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.077665][  T960]  copy_net_ns (net/core/net_namespace.c:579)
[   59.077844][  T960]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.078024][  T960]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.078218][  T960]  ksys_unshare (kernel/fork.c:3243)
[   59.078397][  T960]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.078584][  T960]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.078767][  T960]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.078947][  T960]  ? __ia32_sys_open (fs/open.c:1374)
[   59.079145][  T960]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.079323][  T960]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.079503][  T960]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.079690][  T960]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.079869][  T960]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.080049][  T960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.080276][  T960] RIP: 0033:0x7f0d09d18bcb
[   59.080460][  T960] 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
[   59.080978][  T960] RSP: 002b:00007fff28931e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.081237][  T960] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0d09d18bcb
[   59.081479][  T960] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.081727][  T960] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.081971][  T960] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff28934040
[   59.082225][  T960] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2893488a
| [   59.087039][  T960] ------------[ cut here ]------------
| [   59.087226][  T960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/960
| [   59.087506][  T960] Modules linked in:
| [   59.087972][  T960] Tainted: [W]=WARN
[   59.088132][  T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.088344][  T960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.088572][  T960] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.089083][  T960] RSP: 0018:ffa00000025f7a78 EFLAGS: 00010286
[   59.089307][  T960] RAX: 00000000ffffffa6 RBX: ff1100000c5f9c40 RCX: 1ff40000004bef15
[   59.089560][  T960] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f9cfc
[   59.089804][  T960] RBP: ff110000102ac000 R08: 1fe22000018bf3a1 R09: ff11000008d85180
[   59.090045][  T960] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.090294][  T960] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000102ac000
[   59.090551][  T960] FS:  00007f0d09a56840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   59.090828][  T960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.091040][  T960] CR2: 00007f0d09dcf493 CR3: 0000000004ceb002 CR4: 0000000000771ef0
[   59.091298][  T960] PKRU: 55555554
[   59.091442][  T960] Call Trace:
[   59.091596][  T960]  <TASK>
[   59.091715][  T960]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.091893][  T960]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.092070][  T960]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.092232][  T960]  register_netdevice (net/core/dev.c:11488)
[   59.092412][  T960]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.092626][  T960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.092808][  T960]  register_netdev (net/core/dev.c:11552)
[   59.092989][  T960]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   59.093182][  T960]  ops_init (net/core/net_namespace.c:137)
[   59.093329][  T960]  setup_net (net/core/net_namespace.c:446)
[   59.093475][  T960]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.093660][  T960]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.093841][  T960]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.094022][  T960]  copy_net_ns (net/core/net_namespace.c:579)
[   59.094217][  T960]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.094397][  T960]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.094584][  T960]  ksys_unshare (kernel/fork.c:3243)
[   59.094762][  T960]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.094939][  T960]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.095148][  T960]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.095335][  T960]  ? __ia32_sys_open (fs/open.c:1374)
[   59.095530][  T960]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.095708][  T960]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.095885][  T960]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.096064][  T960]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.096255][  T960]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.096435][  T960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.096651][  T960] RIP: 0033:0x7f0d09d18bcb
[   59.096834][  T960] 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
[   59.097361][  T960] RSP: 002b:00007fff28931e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.097612][  T960] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0d09d18bcb
[   59.097854][  T960] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.098100][  T960] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.098354][  T960] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff28934040
[   59.098604][  T960] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2893488a
| [   59.104158][  T960] ------------[ cut here ]------------
| [   59.104338][  T960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/960
| [   59.104620][  T960] Modules linked in:
| [   59.105091][  T960] Tainted: [W]=WARN
[   59.105315][  T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.105590][  T960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.105865][  T960] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.106445][  T960] RSP: 0018:ffa00000025f7a68 EFLAGS: 00010286
[   59.106717][  T960] RAX: 00000000ffffffa6 RBX: ff1100000de063c0 RCX: 1ff40000004bef13
[   59.107013][  T960] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de0647c
[   59.107319][  T960] RBP: ff1100000a881000 R08: 1fe2200001bc0c91 R09: ff11000008d85180
[   59.107621][  T960] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.107918][  T960] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a881000
[   59.108226][  T960] FS:  00007f0d09a56840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   59.108568][  T960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.108839][  T960] CR2: 00007f0d09dcf493 CR3: 0000000004ceb002 CR4: 0000000000771ef0
[   59.109153][  T960] PKRU: 55555554
[   59.109350][  T960] Call Trace:
[   59.109556][  T960]  <TASK>
[   59.109728][  T960]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.109959][  T960]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.110203][  T960]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.110408][  T960]  register_netdevice (net/core/dev.c:11488)
[   59.110650][  T960]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.110917][  T960]  register_netdev (net/core/dev.c:11552)
[   59.111164][  T960]  sit_init_net (net/ipv6/sit.c:1860)
[   59.111397][  T960]  ops_init (net/core/net_namespace.c:137)
[   59.111607][  T960]  setup_net (net/core/net_namespace.c:446)
[   59.111810][  T960]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.112040][  T960]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.112286][  T960]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.112527][  T960]  copy_net_ns (net/core/net_namespace.c:579)
[   59.112760][  T960]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.112992][  T960]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.113239][  T960]  ksys_unshare (kernel/fork.c:3243)
[   59.113472][  T960]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.113717][  T960]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.113903][  T960]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.114081][  T960]  ? __ia32_sys_open (fs/open.c:1374)
[   59.114271][  T960]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.114449][  T960]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.114634][  T960]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.114814][  T960]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.114990][  T960]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.115186][  T960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.115396][  T960] RIP: 0033:0x7f0d09d18bcb
[   59.115586][  T960] 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
[   59.116091][  T960] RSP: 002b:00007fff28931e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.116351][  T960] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0d09d18bcb
[   59.116596][  T960] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.116836][  T960] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.117077][  T960] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff28934040
[   59.117331][  T960] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2893488a
| [   59.122492][  T960] ------------[ cut here ]------------
| [   59.122675][  T960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/960
| [   59.122948][  T960] Modules linked in:
| [   59.123417][  T960] Tainted: [W]=WARN
[   59.123571][  T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.123781][  T960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.124000][  T960] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.125061][  T960] RSP: 0018:ffa00000025f7a78 EFLAGS: 00010286
[   59.125341][  T960] RAX: 00000000ffffffa6 RBX: ff1100000f671540 RCX: 1ff40000004bef15
[   59.125657][  T960] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f6715fc
[   59.125952][  T960] RBP: ff11000006294000 R08: 1fe2200001ece2c1 R09: ff11000008d85180
[   59.126254][  T960] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.126555][  T960] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006294000
[   59.126854][  T960] FS:  00007f0d09a56840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   59.127194][  T960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.127458][  T960] CR2: 00007f0d09dcf493 CR3: 0000000004ceb002 CR4: 0000000000771ef0
[   59.127766][  T960] PKRU: 55555554
[   59.127963][  T960] Call Trace:
[   59.128174][  T960]  <TASK>
[   59.128341][  T960]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.128587][  T960]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.128818][  T960]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.129021][  T960]  register_netdevice (net/core/dev.c:11488)
[   59.129266][  T960]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.129535][  T960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.129771][  T960]  register_netdev (net/core/dev.c:11552)
[   59.130006][  T960]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   59.130254][  T960]  ops_init (net/core/net_namespace.c:137)
[   59.130456][  T960]  setup_net (net/core/net_namespace.c:446)
[   59.130665][  T960]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.130897][  T960]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.131081][  T960]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.131268][  T960]  copy_net_ns (net/core/net_namespace.c:579)
[   59.131447][  T960]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.131640][  T960]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.131822][  T960]  ksys_unshare (kernel/fork.c:3243)
[   59.131999][  T960]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.132190][  T960]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.132369][  T960]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.132557][  T960]  ? __ia32_sys_open (fs/open.c:1374)
[   59.132738][  T960]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.132917][  T960]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.133093][  T960]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.133286][  T960]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.133464][  T960]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.133653][  T960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.133862][  T960] RIP: 0033:0x7f0d09d18bcb
[   59.134045][  T960] 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
[   59.134575][  T960] RSP: 002b:00007fff28931e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.134818][  T960] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0d09d18bcb
[   59.135056][  T960] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.135312][  T960] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.135558][  T960] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff28934040
[   59.135797][  T960] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2893488a
| [   59.165824][  T961] ------------[ cut here ]------------
| [   59.165979][  T961] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/961
| [   59.166218][  T961] Modules linked in:
| [   59.166591][  T961] Tainted: [W]=WARN
[   59.166689][  T961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.166855][  T961] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.167026][  T961] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.167497][  T961] RSP: 0018:ffa0000002607020 EFLAGS: 00010286
[   59.167662][  T961] RAX: 00000000ffffffa6 RBX: ff11000009923380 RCX: 1ff40000004c0dca
[   59.167855][  T961] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000992343c
[   59.168048][  T961] RBP: ff110000079ec000 R08: 1fe2200001324689 R09: ff1100001078d158
[   59.168248][  T961] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   59.168439][  T961] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   59.168638][  T961] FS:  00007faf6037d840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.168864][  T961] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.169025][  T961] CR2: 00000000033b5988 CR3: 00000000101d7004 CR4: 0000000000771ef0
[   59.169227][  T961] PKRU: 55555554
[   59.169324][  T961] Call Trace:
[   59.169422][  T961]  <TASK>
[   59.169489][  T961]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.169624][  T961]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.169723][  T961]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   59.169853][  T961]  __dev_notify_flags (net/core/dev.c:9787)
[   59.169986][  T961]  ? netif_change_name (net/core/dev.c:1495)
[   59.170123][  T961]  ? __dev_change_flags (net/core/dev.c:9752)
[   59.170253][  T961]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   59.170382][  T961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.170512][  T961]  ? 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))
[   59.170649][  T961]  netif_change_flags (net/core/dev.c:9820)
[   59.170780][  T961]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.170911][  T961]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   59.171043][  T961]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   59.171619][  T961]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   59.171784][  T961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.171914][  T961]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.172041][  T961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.172175][  T961]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.172307][  T961]  ? __kernel_text_address (kernel/extable.c:79)
[   59.172436][  T961]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.172571][  T961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.172700][  T961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.172831][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.172962][  T961]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   59.173090][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.173227][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.173355][  T961]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   59.173484][  T961]  ? __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)
[   59.173619][  T961]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   59.173750][  T961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.173882][  T961]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   59.174013][  T961]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   59.174152][  T961]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.174286][  T961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.174416][  T961]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.174550][  T961]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.174680][  T961]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.174808][  T961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.174939][  T961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.175066][  T961]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.175199][  T961]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.175330][  T961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.175459][  T961]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.175595][  T961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.175724][  T961]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.175852][  T961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.175981][  T961]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.176113][  T961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.176249][  T961]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.176378][  T961]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.176510][  T961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.176647][  T961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.176780][  T961]  ? 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))
[   59.176910][  T961]  ? 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))
[   59.177042][  T961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.177178][  T961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.177310][  T961]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.177441][  T961]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.177577][  T961]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.177708][  T961]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.177842][  T961]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.177973][  T961]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.178102][  T961]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.178270][  T961]  ? move_addr_to_kernel (net/socket.c:258)
[   59.178402][  T961]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.178536][  T961]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.178668][  T961]  ___sys_sendmsg (net/socket.c:2752)
[   59.178797][  T961]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.178959][  T961]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.179100][  T961]  __sys_sendmsg (net/socket.c:2784)
[   59.179236][  T961]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.179364][  T961]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.179532][  T961]  ? 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)
[   59.179662][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.179793][  T961]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.179922][  T961]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.180052][  T961]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.180191][  T961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.180356][  T961] RIP: 0033:0x7faf605b708e
[   59.180492][  T961] 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
[   59.180963][  T961] RSP: 002b:00007ffe1de36920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.181165][  T961] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faf605b708e
[   59.181359][  T961] RDX: 0000000000000000 RSI: 00007ffe1de369d0 RDI: 0000000000000005
[   59.181558][  T961] RBP: 00007ffe1de36930 R08: 0000000000000000 R09: 0000000000000000
[   59.181751][  T961] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e333
[   59.181949][  T961] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1de370a0
| [   59.382469][  T969] ------------[ cut here ]------------
| [   59.382644][  T969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/969
| [   59.382877][  T969] Modules linked in:
| [   59.383254][  T969] Tainted: [W]=WARN
[   59.383353][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.383515][  T969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.383691][  T969] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.384160][  T969] RSP: 0018:ffa0000002687a80 EFLAGS: 00010286
[   59.384324][  T969] RAX: 00000000ffffffa6 RBX: ff110000029bbc40 RCX: 1ff40000004d0f16
[   59.384521][  T969] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bbcfc
[   59.384715][  T969] RBP: ff11000005119000 R08: 1fe22000005377a1 R09: ff11000004fb2e80
[   59.384909][  T969] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.385103][  T969] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005119000
[   59.385302][  T969] FS:  00007f53fadad840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.385535][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.385696][  T969] CR2: 00007f53fafaec20 CR3: 000000000e707002 CR4: 0000000000771ef0
[   59.385893][  T969] PKRU: 55555554
[   59.385990][  T969] Call Trace:
[   59.386086][  T969]  <TASK>
[   59.386160][  T969]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.386291][  T969]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.386422][  T969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.386527][  T969]  register_netdevice (net/core/dev.c:11488)
[   59.386658][  T969]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.386819][  T969]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.386950][  T969]  register_netdev (net/core/dev.c:11552)
[   59.387078][  T969]  loopback_net_init (drivers/net/loopback.c:218)
[   59.387215][  T969]  ops_init (net/core/net_namespace.c:137)
[   59.387316][  T969]  setup_net (net/core/net_namespace.c:446)
[   59.387414][  T969]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.387550][  T969]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.387681][  T969]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.387812][  T969]  copy_net_ns (net/core/net_namespace.c:579)
[   59.387943][  T969]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.388073][  T969]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.388207][  T969]  ksys_unshare (kernel/fork.c:3243)
[   59.388335][  T969]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.388463][  T969]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.388602][  T969]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.388735][  T969]  ? __ia32_sys_open (fs/open.c:1374)
[   59.388866][  T969]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.388993][  T969]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.389127][  T969]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.389255][  T969]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.389384][  T969]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.389522][  T969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.389684][  T969] RIP: 0033:0x7f53fb06fbcb
[   59.389819][  T969] 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
[   59.390280][  T969] RSP: 002b:00007ffd93f7cc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.390473][  T969] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f53fb06fbcb
[   59.390669][  T969] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.390859][  T969] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.391049][  T969] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd93f7ee50
[   59.391244][  T969] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd93f7f88a
| [   59.395404][  T969] ------------[ cut here ]------------
| [   59.395547][  T969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/969
| [   59.395772][  T969] Modules linked in:
| [   59.396186][  T969] Tainted: [W]=WARN
[   59.396283][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.396445][  T969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.396616][  T969] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.397074][  T969] RSP: 0018:ffa0000002687918 EFLAGS: 00010286
[   59.397240][  T969] RAX: 00000000ffffffa6 RBX: ff11000009aed700 RCX: 1ff40000004d0ee9
[   59.397429][  T969] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aed7bc
[   59.397629][  T969] RBP: ff1100000e741000 R08: 1fe220000135daf9 R09: ff11000004fb2e80
[   59.397820][  T969] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.398010][  T969] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e741000
[   59.398207][  T969] FS:  00007f53fadad840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.398431][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.398598][  T969] CR2: 00007f53fafaec20 CR3: 000000000e707002 CR4: 0000000000771ef0
[   59.398791][  T969] PKRU: 55555554
[   59.398886][  T969] Call Trace:
[   59.398983][  T969]  <TASK>
[   59.399049][  T969]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.399182][  T969]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.399311][  T969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.399411][  T969]  register_netdevice (net/core/dev.c:11488)
[   59.399547][  T969]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.399707][  T969]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.399835][  T969]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   59.399963][  T969]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   59.400089][  T969]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   59.400222][  T969]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   59.400352][  T969]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   59.400480][  T969]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   59.400615][  T969]  ops_init (net/core/net_namespace.c:137)
[   59.400713][  T969]  setup_net (net/core/net_namespace.c:446)
[   59.400809][  T969]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.400935][  T969]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.401062][  T969]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.401196][  T969]  copy_net_ns (net/core/net_namespace.c:579)
[   59.401325][  T969]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.401453][  T969]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.401586][  T969]  ksys_unshare (kernel/fork.c:3243)
[   59.401713][  T969]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.401839][  T969]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.401965][  T969]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.402096][  T969]  ? __ia32_sys_open (fs/open.c:1374)
[   59.402228][  T969]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.402355][  T969]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.402483][  T969]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.402616][  T969]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.402742][  T969]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.402869][  T969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.403027][  T969] RIP: 0033:0x7f53fb06fbcb
[   59.403165][  T969] 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
[   59.403622][  T969] RSP: 002b:00007ffd93f7cc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.403813][  T969] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f53fb06fbcb
[   59.404003][  T969] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.404200][  T969] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.404389][  T969] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd93f7ee50
[   59.404583][  T969] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd93f7f88a
| [   59.408358][  T969] ------------[ cut here ]------------
| [   59.408492][  T969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/969
| [   59.408719][  T969] Modules linked in:
| [   59.409084][  T969] Tainted: [W]=WARN
[   59.409187][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.409349][  T969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.409520][  T969] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.409980][  T969] RSP: 0018:ffa00000026878f8 EFLAGS: 00010286
[   59.410146][  T969] RAX: 00000000ffffffa6 RBX: ff1100000d068040 RCX: 1ff40000004d0ee5
[   59.410339][  T969] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0680fc
[   59.410539][  T969] RBP: ff110000094b1000 R08: 1fe2200001a0d021 R09: ff11000004fb2e80
[   59.410732][  T969] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.410923][  T969] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094b1000
[   59.411121][  T969] FS:  00007f53fadad840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.411350][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.411511][  T969] CR2: 00007f53fafaec20 CR3: 000000000e707002 CR4: 0000000000771ef0
[   59.411708][  T969] PKRU: 55555554
[   59.411806][  T969] Call Trace:
[   59.411902][  T969]  <TASK>
[   59.411970][  T969]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.412100][  T969]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.412237][  T969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.412336][  T969]  register_netdevice (net/core/dev.c:11488)
[   59.412468][  T969]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.412636][  T969]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.412766][  T969]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   59.412898][  T969]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   59.413028][  T969]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   59.413164][  T969]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   59.413294][  T969]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   59.413424][  T969]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   59.413560][  T969]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.413691][  T969]  vti_init_net (net/ipv4/ip_vti.c:517)
[   59.413823][  T969]  ops_init (net/core/net_namespace.c:137)
[   59.413923][  T969]  setup_net (net/core/net_namespace.c:446)
[   59.414021][  T969]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.414158][  T969]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.414289][  T969]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.414421][  T969]  copy_net_ns (net/core/net_namespace.c:579)
[   59.414559][  T969]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.414691][  T969]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.414822][  T969]  ksys_unshare (kernel/fork.c:3243)
[   59.414953][  T969]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.415085][  T969]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.415221][  T969]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.415355][  T969]  ? __ia32_sys_open (fs/open.c:1374)
[   59.415488][  T969]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.415624][  T969]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.415753][  T969]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.415882][  T969]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.416014][  T969]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.416152][  T969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.416315][  T969] RIP: 0033:0x7f53fb06fbcb
[   59.416451][  T969] 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
[   59.416920][  T969] RSP: 002b:00007ffd93f7cc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.417125][  T969] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f53fb06fbcb
[   59.417321][  T969] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.417516][  T969] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.417715][  T969] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd93f7ee50
[   59.417913][  T969] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd93f7f88a
| [   59.422370][  T969] ------------[ cut here ]------------
| [   59.422599][  T969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/969
| [   59.422824][  T969] Modules linked in:
| [   59.423277][  T969] Tainted: [W]=WARN
[   59.423375][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.423544][  T969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.423804][  T969] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.424356][  T969] RSP: 0018:ffa0000002687a78 EFLAGS: 00010286
[   59.424527][  T969] RAX: 00000000ffffffa6 RBX: ff110000029bbe00 RCX: 1ff40000004d0f15
[   59.424722][  T969] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bbebc
[   59.425001][  T969] RBP: ff110000101a4000 R08: 1fe22000005377d9 R09: ff11000004fb2e80
[   59.425199][  T969] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.425391][  T969] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101a4000
[   59.425680][  T969] FS:  00007f53fadad840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.425906][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.426069][  T969] CR2: 00007f53fafaec20 CR3: 000000000e707002 CR4: 0000000000771ef0
[   59.426271][  T969] PKRU: 55555554
[   59.426368][  T969] Call Trace:
[   59.426465][  T969]  <TASK>
[   59.426536][  T969]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.426752][  T969]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.426880][  T969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.426980][  T969]  register_netdevice (net/core/dev.c:11488)
[   59.427111][  T969]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.427361][  T969]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.427496][  T969]  register_netdev (net/core/dev.c:11552)
[   59.427628][  T969]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   59.427760][  T969]  ops_init (net/core/net_namespace.c:137)
[   59.427859][  T969]  setup_net (net/core/net_namespace.c:446)
[   59.428041][  T969]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.428176][  T969]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.428306][  T969]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.428436][  T969]  copy_net_ns (net/core/net_namespace.c:579)
[   59.428658][  T969]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.428789][  T969]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.428920][  T969]  ksys_unshare (kernel/fork.c:3243)
[   59.429049][  T969]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.429268][  T969]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.429398][  T969]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.429533][  T969]  ? __ia32_sys_open (fs/open.c:1374)
[   59.429665][  T969]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.429880][  T969]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.430009][  T969]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.430145][  T969]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.430276][  T969]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.430492][  T969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.430657][  T969] RIP: 0033:0x7f53fb06fbcb
[   59.430792][  T969] 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
[   59.431350][  T969] RSP: 002b:00007ffd93f7cc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.431552][  T969] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f53fb06fbcb
[   59.431833][  T969] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.432028][  T969] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.432312][  T969] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd93f7ee50
[   59.432506][  T969] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd93f7f88a
| [   59.437306][  T969] ------------[ cut here ]------------
| [   59.437530][  T969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/969
| [   59.437759][  T969] Modules linked in:
| [   59.438220][  T969] Tainted: [W]=WARN
[   59.438320][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.438484][  T969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.438751][  T969] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.439222][  T969] RSP: 0018:ffa0000002687a68 EFLAGS: 00010286
[   59.439476][  T969] RAX: 00000000ffffffa6 RBX: ff1100000f6703c0 RCX: 1ff40000004d0f13
[   59.439681][  T969] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f67047c
[   59.439877][  T969] RBP: ff11000002834000 R08: 1fe2200001ece091 R09: ff11000004fb2e80
[   59.440164][  T969] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.440360][  T969] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002834000
[   59.440650][  T969] FS:  00007f53fadad840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.440879][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.441044][  T969] CR2: 00007f53fafaec20 CR3: 000000000e707002 CR4: 0000000000771ef0
[   59.441247][  T969] PKRU: 55555554
[   59.441344][  T969] Call Trace:
[   59.441441][  T969]  <TASK>
[   59.441509][  T969]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.441646][  T969]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.441862][  T969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.441962][  T969]  register_netdevice (net/core/dev.c:11488)
[   59.442094][  T969]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.442346][  T969]  register_netdev (net/core/dev.c:11552)
[   59.442478][  T969]  sit_init_net (net/ipv6/sit.c:1860)
[   59.442616][  T969]  ops_init (net/core/net_namespace.c:137)
[   59.442715][  T969]  setup_net (net/core/net_namespace.c:446)
[   59.442814][  T969]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.443029][  T969]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.443163][  T969]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.443295][  T969]  copy_net_ns (net/core/net_namespace.c:579)
[   59.443430][  T969]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.443652][  T969]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.443783][  T969]  ksys_unshare (kernel/fork.c:3243)
[   59.443914][  T969]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.444046][  T969]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.444181][  T969]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.444311][  T969]  ? __ia32_sys_open (fs/open.c:1374)
[   59.444441][  T969]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.444576][  T969]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.444793][  T969]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.444923][  T969]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.445054][  T969]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.445192][  T969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.445437][  T969] RIP: 0033:0x7f53fb06fbcb
[   59.445579][  T969] 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
[   59.446131][  T969] RSP: 002b:00007ffd93f7cc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.446330][  T969] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f53fb06fbcb
[   59.446614][  T969] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.446808][  T969] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.447000][  T969] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd93f7ee50
[   59.447203][  T969] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd93f7f88a
| [   59.452247][  T969] ------------[ cut here ]------------
| [   59.452383][  T969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/969
| [   59.452619][  T969] Modules linked in:
| [   59.453064][  T969] Tainted: [W]=WARN
[   59.453711][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.453876][  T969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.454048][  T969] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.454572][  T969] RSP: 0018:ffa0000002687a78 EFLAGS: 00010286
[   59.454738][  T969] RAX: 00000000ffffffa6 RBX: ff1100000d88a900 RCX: 1ff40000004d0f15
[   59.454933][  T969] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88a9bc
[   59.455183][  T969] RBP: ff11000010104000 R08: 1fe2200001b11539 R09: ff11000004fb2e80
[   59.455433][  T969] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.455632][  T969] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010104000
[   59.455827][  T969] FS:  00007f53fadad840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.456055][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.456275][  T969] CR2: 00007f53fafaec20 CR3: 000000000e707002 CR4: 0000000000771ef0
[   59.456471][  T969] PKRU: 55555554
[   59.456572][  T969] Call Trace:
[   59.456669][  T969]  <TASK>
[   59.456735][  T969]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.456877][  T969]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.457007][  T969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.457105][  T969]  register_netdevice (net/core/dev.c:11488)
[   59.457292][  T969]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.457452][  T969]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.457589][  T969]  register_netdev (net/core/dev.c:11552)
[   59.457720][  T969]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   59.457851][  T969]  ops_init (net/core/net_namespace.c:137)
[   59.457950][  T969]  setup_net (net/core/net_namespace.c:446)
[   59.458048][  T969]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.458233][  T969]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.458364][  T969]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.458495][  T969]  copy_net_ns (net/core/net_namespace.c:579)
[   59.458630][  T969]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.458763][  T969]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.458894][  T969]  ksys_unshare (kernel/fork.c:3243)
[   59.459023][  T969]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.459205][  T969]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.459335][  T969]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.459465][  T969]  ? __ia32_sys_open (fs/open.c:1374)
[   59.459601][  T969]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.459905][  T969]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.460099][  T969]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.460391][  T969]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.460608][  T969]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.460799][  T969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.461019][  T969] RIP: 0033:0x7f53fb06fbcb
[   59.461310][  T969] 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
[   59.461780][  T969] RSP: 002b:00007ffd93f7cc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.461975][  T969] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f53fb06fbcb
[   59.462310][  T969] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.462505][  T969] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.462703][  T969] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd93f7ee50
[   59.462897][  T969] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd93f7f88a
| [   59.493214][  T970] ------------[ cut here ]------------
| [   59.493395][  T970] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/970
| [   59.493680][  T970] Modules linked in:
| [   59.494680][  T970] Tainted: [W]=WARN
[   59.494823][  T970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.495032][  T970] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.495263][  T970] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.495782][  T970] RSP: 0018:ffa0000002697020 EFLAGS: 00010286
[   59.495992][  T970] RAX: 00000000ffffffa6 RBX: ff1100000962f700 RCX: 1ff40000004d2dca
[   59.496241][  T970] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962f7bc
[   59.496484][  T970] RBP: ff11000005119000 R08: 1fe22000012c5ef9 R09: ff11000004fb5158
[   59.496729][  T970] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   59.496968][  T970] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   59.497221][  T970] FS:  00007fb99a510840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   59.497497][  T970] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.497718][  T970] CR2: 00007fb99a7e01a0 CR3: 0000000004cf8002 CR4: 0000000000771ef0
[   59.497960][  T970] PKRU: 55555554
[   59.498103][  T970] Call Trace:
[   59.498262][  T970]  <TASK>
[   59.498376][  T970]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.498562][  T970]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.498711][  T970]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   59.498890][  T970]  __dev_notify_flags (net/core/dev.c:9787)
[   59.499072][  T970]  ? netif_change_name (net/core/dev.c:1495)
[   59.499260][  T970]  ? __dev_change_flags (net/core/dev.c:9752)
[   59.499439][  T970]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   59.499623][  T970]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.499805][  T970]  ? 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))
[   59.499986][  T970]  netif_change_flags (net/core/dev.c:9820)
[   59.500180][  T970]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.500359][  T970]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   59.500546][  T970]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   59.500727][  T970]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   59.500939][  T970]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.501130][  T970]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.501312][  T970]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.501489][  T970]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.501680][  T970]  ? __kernel_text_address (kernel/extable.c:79)
[   59.501859][  T970]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.502039][  T970]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.502228][  T970]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.502405][  T970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.502596][  T970]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   59.502772][  T970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.502950][  T970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.503140][  T970]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   59.503319][  T970]  ? __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)
[   59.503496][  T970]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   59.503683][  T970]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.503863][  T970]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   59.504046][  T970]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   59.504236][  T970]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.504416][  T970]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.504596][  T970]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.504774][  T970]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.504951][  T970]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.505141][  T970]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.505320][  T970]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.505498][  T970]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.505687][  T970]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.505865][  T970]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.506044][  T970]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.506231][  T970]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.506409][  T970]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.506594][  T970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.506771][  T970]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.506952][  T970]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.507140][  T970]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.507317][  T970]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.507492][  T970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.507677][  T970]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.507858][  T970]  ? 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))
[   59.508034][  T970]  ? 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))
[   59.508230][  T970]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.508408][  T970]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.508595][  T970]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.508775][  T970]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.508955][  T970]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.509145][  T970]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.509324][  T970]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.509502][  T970]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.509691][  T970]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.509899][  T970]  ? move_addr_to_kernel (net/socket.c:258)
[   59.510078][  T970]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.510265][  T970]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.510444][  T970]  ___sys_sendmsg (net/socket.c:2752)
[   59.510629][  T970]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.510837][  T970]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.511029][  T970]  __sys_sendmsg (net/socket.c:2784)
[   59.511221][  T970]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.511396][  T970]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.511621][  T970]  ? 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)
[   59.511799][  T970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.511975][  T970]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.512163][  T970]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.512342][  T970]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.512525][  T970]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.512733][  T970] RIP: 0033:0x7fb99a74a08e
[   59.512917][  T970] 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
[   59.513434][  T970] RSP: 002b:00007fff492fd190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.513687][  T970] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb99a74a08e
[   59.513927][  T970] RDX: 0000000000000000 RSI: 00007fff492fd240 RDI: 0000000000000005
[   59.514178][  T970] RBP: 00007fff492fd1a0 R08: 0000000000000000 R09: 0000000000000000
[   59.514415][  T970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e333
[   59.514667][  T970] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff492fd910
| [   59.720581][  T978] ------------[ cut here ]------------
| [   59.720762][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/978
| [   59.721005][  T978] Modules linked in:
| [   59.721394][  T978] Tainted: [W]=WARN
[   59.721495][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.721668][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.721842][  T978] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.722317][  T978] RSP: 0018:ffa0000002717a80 EFLAGS: 00010286
[   59.722487][  T978] RAX: 00000000ffffffa6 RBX: ff1100000dd438c0 RCX: 1ff40000004e2f16
[   59.722691][  T978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd4397c
[   59.722888][  T978] RBP: ff110000107ac000 R08: 1fe2200001ba8731 R09: ff1100000ff8ae80
[   59.723085][  T978] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.723287][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000107ac000
[   59.723489][  T978] FS:  00007fcb9da50840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.723727][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.723895][  T978] CR2: 00007fcb9dc57430 CR3: 0000000001f76006 CR4: 0000000000771ef0
[   59.724115][  T978] PKRU: 55555554
[   59.724270][  T978] Call Trace:
[   59.724420][  T978]  <TASK>
[   59.724532][  T978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.724733][  T978]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.724931][  T978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.725079][  T978]  register_netdevice (net/core/dev.c:11488)
[   59.725249][  T978]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.725415][  T978]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.725556][  T978]  register_netdev (net/core/dev.c:11552)
[   59.725689][  T978]  loopback_net_init (drivers/net/loopback.c:218)
[   59.725824][  T978]  ops_init (net/core/net_namespace.c:137)
[   59.725926][  T978]  setup_net (net/core/net_namespace.c:446)
[   59.726026][  T978]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.726161][  T978]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.726294][  T978]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.726428][  T978]  copy_net_ns (net/core/net_namespace.c:579)
[   59.726566][  T978]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.726703][  T978]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.726834][  T978]  ksys_unshare (kernel/fork.c:3243)
[   59.726967][  T978]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.727098][  T978]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.727235][  T978]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.727369][  T978]  ? __ia32_sys_open (fs/open.c:1374)
[   59.727507][  T978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.727645][  T978]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.727777][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.727907][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.728040][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.728176][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.728345][  T978] RIP: 0033:0x7fcb9dd12bcb
[   59.728484][  T978] 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
[   59.728959][  T978] RSP: 002b:00007fff11a52b88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.729163][  T978] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcb9dd12bcb
[   59.729359][  T978] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.729562][  T978] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.729757][  T978] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a54db0
[   59.729956][  T978] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5688a
| [   59.733869][  T978] ------------[ cut here ]------------
| [   59.734006][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/978
| [   59.734240][  T978] Modules linked in:
| [   59.734619][  T978] Tainted: [W]=WARN
[   59.734719][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.734884][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.735057][  T978] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.735561][  T978] RSP: 0018:ffa0000002717918 EFLAGS: 00010286
[   59.735727][  T978] RAX: 00000000ffffffa6 RBX: ff110000091bde00 RCX: 1ff40000004e2ee9
[   59.735925][  T978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bdebc
[   59.736127][  T978] RBP: ff1100000a35c000 R08: 1fe2200001237bd9 R09: ff1100000ff8ae80
[   59.736325][  T978] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.736527][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a35c000
[   59.736726][  T978] FS:  00007fcb9da50840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.736958][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.737131][  T978] CR2: 00007fcb9dc57430 CR3: 0000000001f76006 CR4: 0000000000771ef0
[   59.737337][  T978] PKRU: 55555554
[   59.737436][  T978] Call Trace:
[   59.737540][  T978]  <TASK>
[   59.737610][  T978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.737746][  T978]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.737881][  T978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.737983][  T978]  register_netdevice (net/core/dev.c:11488)
[   59.738121][  T978]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.738285][  T978]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.738420][  T978]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   59.738562][  T978]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   59.738693][  T978]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   59.738826][  T978]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   59.738958][  T978]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   59.739091][  T978]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   59.739228][  T978]  ops_init (net/core/net_namespace.c:137)
[   59.739329][  T978]  setup_net (net/core/net_namespace.c:446)
[   59.739428][  T978]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.739567][  T978]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.739702][  T978]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.739835][  T978]  copy_net_ns (net/core/net_namespace.c:579)
[   59.739967][  T978]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.740100][  T978]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.740237][  T978]  ksys_unshare (kernel/fork.c:3243)
[   59.740369][  T978]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.740504][  T978]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.740644][  T978]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.740777][  T978]  ? __ia32_sys_open (fs/open.c:1374)
[   59.740910][  T978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.741042][  T978]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.741180][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.741312][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.741444][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.741585][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.741748][  T978] RIP: 0033:0x7fcb9dd12bcb
[   59.741896][  T978] 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
[   59.742601][  T978] RSP: 002b:00007fff11a52b88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.742910][  T978] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcb9dd12bcb
[   59.743160][  T978] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.743357][  T978] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.743558][  T978] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a54db0
[   59.743756][  T978] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5688a
| [   59.748506][  T978] ------------[ cut here ]------------
| [   59.748707][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/978
| [   59.748941][  T978] Modules linked in:
| [   59.749545][  T978] Tainted: [W]=WARN
[   59.749649][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.749813][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.749989][  T978] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.750474][  T978] RSP: 0018:ffa00000027178f8 EFLAGS: 00010286
[   59.750649][  T978] RAX: 00000000ffffffa6 RBX: ff1100000daa1e00 RCX: 1ff40000004e2ee5
[   59.750845][  T978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa1ebc
[   59.751040][  T978] RBP: ff110000109c4000 R08: 1fe2200001b543d9 R09: ff1100000ff8ae80
[   59.751241][  T978] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.751438][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000109c4000
[   59.751648][  T978] FS:  00007fcb9da50840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.751881][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.752046][  T978] CR2: 00007fcb9dc57430 CR3: 0000000001f76006 CR4: 0000000000771ef0
[   59.752250][  T978] PKRU: 55555554
[   59.752351][  T978] Call Trace:
[   59.752450][  T978]  <TASK>
[   59.752523][  T978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.752659][  T978]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.752792][  T978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.752894][  T978]  register_netdevice (net/core/dev.c:11488)
[   59.753028][  T978]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.753196][  T978]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   59.753331][  T978]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   59.753465][  T978]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   59.753602][  T978]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   59.753735][  T978]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   59.753868][  T978]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   59.754004][  T978]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   59.754142][  T978]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.754278][  T978]  vti_init_net (net/ipv4/ip_vti.c:517)
[   59.754411][  T978]  ops_init (net/core/net_namespace.c:137)
[   59.754514][  T978]  setup_net (net/core/net_namespace.c:446)
[   59.754620][  T978]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.754752][  T978]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.754884][  T978]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.755019][  T978]  copy_net_ns (net/core/net_namespace.c:579)
[   59.755159][  T978]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.755295][  T978]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.755429][  T978]  ksys_unshare (kernel/fork.c:3243)
[   59.755567][  T978]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.755701][  T978]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.755833][  T978]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.755967][  T978]  ? __ia32_sys_open (fs/open.c:1374)
[   59.756101][  T978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.756239][  T978]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.756371][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.756506][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.756646][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.756781][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.756945][  T978] RIP: 0033:0x7fcb9dd12bcb
[   59.757084][  T978] 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
[   59.757572][  T978] RSP: 002b:00007fff11a52b88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.757773][  T978] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcb9dd12bcb
[   59.757973][  T978] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.758177][  T978] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.758377][  T978] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a54db0
[   59.758583][  T978] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5688a
| [   59.762790][  T978] ------------[ cut here ]------------
| [   59.762930][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/978
| [   59.763163][  T978] Modules linked in:
| [   59.763537][  T978] Tainted: [W]=WARN
[   59.763636][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.763800][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.763970][  T978] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.764444][  T978] RSP: 0018:ffa0000002717a78 EFLAGS: 00010286
[   59.764615][  T978] RAX: 00000000ffffffa6 RBX: ff1100000a094040 RCX: 1ff40000004e2f15
[   59.764811][  T978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0940fc
[   59.765009][  T978] RBP: ff11000004f9c000 R08: 1fe2200001412821 R09: ff1100000ff8ae80
[   59.765210][  T978] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.765406][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f9c000
[   59.765610][  T978] FS:  00007fcb9da50840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.765841][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.766006][  T978] CR2: 00007fcb9dc57430 CR3: 0000000001f76006 CR4: 0000000000771ef0
[   59.766212][  T978] PKRU: 55555554
[   59.766310][  T978] Call Trace:
[   59.766408][  T978]  <TASK>
[   59.766475][  T978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.766611][  T978]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.766742][  T978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.766842][  T978]  register_netdevice (net/core/dev.c:11488)
[   59.766977][  T978]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.767145][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.767280][  T978]  register_netdev (net/core/dev.c:11552)
[   59.767414][  T978]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   59.767557][  T978]  ops_init (net/core/net_namespace.c:137)
[   59.767658][  T978]  setup_net (net/core/net_namespace.c:446)
[   59.767758][  T978]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.767889][  T978]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.768023][  T978]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.768162][  T978]  copy_net_ns (net/core/net_namespace.c:579)
[   59.768297][  T978]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.768431][  T978]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.768567][  T978]  ksys_unshare (kernel/fork.c:3243)
[   59.768698][  T978]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.768831][  T978]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.768962][  T978]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.769097][  T978]  ? __ia32_sys_open (fs/open.c:1374)
[   59.769235][  T978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.769364][  T978]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.769496][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.769631][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.769763][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.769895][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.770056][  T978] RIP: 0033:0x7fcb9dd12bcb
[   59.770199][  T978] 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
[   59.770671][  T978] RSP: 002b:00007fff11a52b88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.770872][  T978] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcb9dd12bcb
[   59.771110][  T978] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.771408][  T978] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.771710][  T978] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a54db0
[   59.771979][  T978] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5688a
| [   59.776268][  T978] ------------[ cut here ]------------
| [   59.776406][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/978
| [   59.776646][  T978] Modules linked in:
| [   59.777016][  T978] Tainted: [W]=WARN
[   59.777667][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.777837][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.778009][  T978] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.778555][  T978] RSP: 0018:ffa0000002717a68 EFLAGS: 00010286
[   59.778723][  T978] RAX: 00000000ffffffa6 RBX: ff1100000da34200 RCX: 1ff40000004e2f13
[   59.778921][  T978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da342bc
[   59.779176][  T978] RBP: ff11000010a59000 R08: 1fe2200001b46859 R09: ff1100000ff8ae80
[   59.779374][  T978] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   59.779576][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010a59000
[   59.779773][  T978] FS:  00007fcb9da50840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   59.780005][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.780230][  T978] CR2: 00007fcb9dc57430 CR3: 0000000001f76006 CR4: 0000000000771ef0
[   59.780431][  T978] PKRU: 55555554
[   59.780533][  T978] Call Trace:
[   59.780634][  T978]  <TASK>
[   59.780702][  T978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.780836][  T978]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.780966][  T978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.781065][  T978]  register_netdevice (net/core/dev.c:11488)
[   59.781254][  T978]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.781420][  T978]  register_netdev (net/core/dev.c:11552)
[   59.781556][  T978]  sit_init_net (net/ipv6/sit.c:1860)
[   59.781688][  T978]  ops_init (net/core/net_namespace.c:137)
[   59.781790][  T978]  setup_net (net/core/net_namespace.c:446)
[   59.781889][  T978]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.782020][  T978]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.782206][  T978]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.782339][  T978]  copy_net_ns (net/core/net_namespace.c:579)
[   59.782471][  T978]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.782610][  T978]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.782745][  T978]  ksys_unshare (kernel/fork.c:3243)
[   59.782875][  T978]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.783007][  T978]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.783194][  T978]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.783326][  T978]  ? __ia32_sys_open (fs/open.c:1374)
[   59.783461][  T978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.783601][  T978]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.783733][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.783865][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.783998][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.784184][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.784346][  T978] RIP: 0033:0x7fcb9dd12bcb
[   59.784483][  T978] 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
[   59.784956][  T978] RSP: 002b:00007fff11a52b88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.785212][  T978] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcb9dd12bcb
[   59.785406][  T978] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.785605][  T978] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.785802][  T978] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a54db0
[   59.785998][  T978] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5688a
| [   59.796686][  T978] ------------[ cut here ]------------
| [   59.796837][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/978
| [   59.797069][  T978] Modules linked in:
| [   59.797523][  T978] Tainted: [W]=WARN
[   59.797626][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.797789][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.797961][  T978] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.798430][  T978] RSP: 0018:ffa0000002717a78 EFLAGS: 00010286
[   59.798603][  T978] RAX: 00000000ffffffa6 RBX: ff1100000979c580 RCX: 1ff40000004e2f15
[   59.798800][  T978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979c63c
[   59.798996][  T978] RBP: ff11000010a7c000 R08: 1fe22000012f38c9 R09: ff1100000ff8ae80
[   59.799196][  T978] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   59.799393][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010a7c000
[   59.799599][  T978] FS:  00007fcb9da50840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   59.799832][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.799997][  T978] CR2: 00007f26b27fc000 CR3: 0000000001f76005 CR4: 0000000000771ef0
[   59.800204][  T978] PKRU: 55555554
[   59.800303][  T978] Call Trace:
[   59.800400][  T978]  <TASK>
[   59.800468][  T978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.800610][  T978]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.800741][  T978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.800844][  T978]  register_netdevice (net/core/dev.c:11488)
[   59.800979][  T978]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   59.801149][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.801284][  T978]  register_netdev (net/core/dev.c:11552)
[   59.801415][  T978]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   59.801555][  T978]  ops_init (net/core/net_namespace.c:137)
[   59.801656][  T978]  setup_net (net/core/net_namespace.c:446)
[   59.801758][  T978]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   59.801889][  T978]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   59.802019][  T978]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   59.802158][  T978]  copy_net_ns (net/core/net_namespace.c:579)
[   59.802291][  T978]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.802425][  T978]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.802564][  T978]  ksys_unshare (kernel/fork.c:3243)
[   59.802698][  T978]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   59.802829][  T978]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   59.802960][  T978]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   59.803091][  T978]  ? __ia32_sys_open (fs/open.c:1374)
[   59.803228][  T978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.803359][  T978]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   59.803491][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.803627][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.803760][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.803893][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.804056][  T978] RIP: 0033:0x7fcb9dd12bcb
[   59.804199][  T978] 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
[   59.804671][  T978] RSP: 002b:00007fff11a52b88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.804870][  T978] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcb9dd12bcb
[   59.805067][  T978] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.805271][  T978] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.805469][  T978] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff11a54db0
[   59.805673][  T978] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff11a5688a
| [   59.838790][  T979] ------------[ cut here ]------------
| [   59.838977][  T979] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/979
| [   59.839286][  T979] Modules linked in:
| [   59.839758][  T979] Tainted: [W]=WARN
[   59.839904][  T979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.840131][  T979] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.840350][  T979] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.840864][  T979] RSP: 0018:ffa0000002727020 EFLAGS: 00010286
[   59.841106][  T979] RAX: 00000000ffffffa6 RBX: ff11000009284040 RCX: 1ff40000004e4dca
[   59.841364][  T979] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092840fc
[   59.841616][  T979] RBP: ff110000107ac000 R08: 1fe2200001250821 R09: ff1100000ff6d158
[   59.841857][  T979] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   59.842100][  T979] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   59.842359][  T979] FS:  00007f31b587e840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   59.842655][  T979] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.842870][  T979] CR2: 000000003faca988 CR3: 0000000001f6f005 CR4: 0000000000771ef0
[   59.843130][  T979] PKRU: 55555554
[   59.843276][  T979] Call Trace:
[   59.843421][  T979]  <TASK>
[   59.843544][  T979]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.843728][  T979]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.843876][  T979]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   59.844052][  T979]  __dev_notify_flags (net/core/dev.c:9787)
[   59.844248][  T979]  ? netif_change_name (net/core/dev.c:1495)
[   59.844428][  T979]  ? __dev_change_flags (net/core/dev.c:9752)
[   59.844620][  T979]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   59.844798][  T979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.844977][  T979]  ? 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))
[   59.845170][  T979]  netif_change_flags (net/core/dev.c:9820)
[   59.845352][  T979]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.845541][  T979]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   59.845725][  T979]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   59.845905][  T979]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   59.846131][  T979]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.846309][  T979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.846490][  T979]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.846680][  T979]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.846861][  T979]  ? __kernel_text_address (kernel/extable.c:79)
[   59.847040][  T979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.847232][  T979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.847412][  T979]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.847599][  T979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.847779][  T979]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   59.847960][  T979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.848151][  T979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.848331][  T979]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   59.848510][  T979]  ? __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)
[   59.848699][  T979]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   59.848880][  T979]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.849061][  T979]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   59.849256][  T979]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   59.849444][  T979]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.849641][  T979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.849819][  T979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.849998][  T979]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.850192][  T979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.850372][  T979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.850562][  T979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.850745][  T979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.850925][  T979]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.851105][  T979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.851297][  T979]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.851478][  T979]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.851666][  T979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.851842][  T979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.852022][  T979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.852218][  T979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.852396][  T979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.852586][  T979]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.852767][  T979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.852946][  T979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.853142][  T979]  ? 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))
[   59.853321][  T979]  ? 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))
[   59.853502][  T979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.853694][  T979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.853872][  T979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.854052][  T979]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.854248][  T979]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.854428][  T979]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.854619][  T979]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.854799][  T979]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.854982][  T979]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.855201][  T979]  ? move_addr_to_kernel (net/socket.c:258)
[   59.855381][  T979]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.855567][  T979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.855747][  T979]  ___sys_sendmsg (net/socket.c:2752)
[   59.855924][  T979]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.856145][  T979]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.856337][  T979]  __sys_sendmsg (net/socket.c:2784)
[   59.856527][  T979]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.856705][  T979]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.856919][  T979]  ? 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)
[   59.857097][  T979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.857288][  T979]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.857468][  T979]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.857658][  T979]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.857839][  T979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.858048][  T979] RIP: 0033:0x7f31b5ab808e
[   59.858246][  T979] 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
[   59.858762][  T979] RSP: 002b:00007ffea0fe58c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.859008][  T979] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f31b5ab808e
[   59.859262][  T979] RDX: 0000000000000000 RSI: 00007ffea0fe5970 RDI: 0000000000000005
[   59.859503][  T979] RBP: 00007ffea0fe58d0 R08: 0000000000000000 R09: 0000000000000000
[   59.859753][  T979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e334
[   59.860000][  T979] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea0fe6040
| [   61.028374][ T1009] ------------[ cut here ]------------
| [   61.028565][ T1009] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1009
| [   61.028843][ T1009] Modules linked in:
| [   61.029238][ T1009] Tainted: [W]=WARN
[   61.029341][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.029510][ T1009] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.029692][ T1009] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.030179][ T1009] RSP: 0018:ffa00000028f6e30 EFLAGS: 00010286
[   61.030354][ T1009] RAX: 00000000ffffffa6 RBX: ff110000053f1a80 RCX: 1ff400000051ed8c
[   61.030563][ T1009] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f1b3c
[   61.030765][ T1009] RBP: ff1100000629c000 R08: 1fe2200000a7e369 R09: ff11000004edae80
[   61.030971][ T1009] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.031175][ T1009] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc1c080
[   61.031378][ T1009] FS:  00007f2801f10840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   61.031621][ T1009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.031792][ T1009] CR2: 000000000042ebe0 CR3: 000000001051c001 CR4: 0000000000771ef0
[   61.031995][ T1009] PKRU: 55555554
[   61.032096][ T1009] Call Trace:
[   61.032200][ T1009]  <TASK>
[   61.032272][ T1009]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   61.032444][ T1009]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.032587][ T1009]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.032688][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.032823][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.032956][ T1009]  __dev_notify_flags (net/core/dev.c:9787)
[   61.033094][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.033235][ T1009]  ? netif_change_name (net/core/dev.c:1495)
[   61.033370][ T1009]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   61.033508][ T1009]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   61.033650][ T1009]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.033789][ T1009]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   61.033924][ T1009]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.034061][ T1009]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   61.034199][ T1009]  veth_newlink (drivers/net/veth.c:1871)
[   61.034334][ T1009]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   61.034468][ T1009]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.034611][ T1009]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.034745][ T1009]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.034896][ T1009]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   61.035031][ T1009]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   61.035168][ T1009]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   61.035303][ T1009]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   61.035450][ T1009]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   61.035593][ T1009]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   61.035730][ T1009]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   61.035865][ T1009]  ? __dev_get_by_name (net/core/dev.c:883)
[   61.036001][ T1009]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   61.036146][ T1009]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   61.036288][ T1009]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.036426][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.036565][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.036699][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.036832][ T1009]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.036968][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.037105][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.037247][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.037385][ T1009]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.037520][ T1009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.037659][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.037792][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.037932][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.038066][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.038206][ T1009]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.038344][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.038482][ T1009]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.038626][ T1009]  ? 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))
[   61.038758][ T1009]  ? 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))
[   61.038896][ T1009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.039033][ T1009]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.039173][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.039308][ T1009]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.039445][ T1009]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.039586][ T1009]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.039722][ T1009]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.039857][ T1009]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.039991][ T1009]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.040164][ T1009]  ? move_addr_to_kernel (net/socket.c:258)
[   61.040304][ T1009]  ___sys_sendmsg (net/socket.c:2752)
[   61.040438][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.040580][ T1009]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.040725][ T1009]  ? 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))
[   61.040862][ T1009]  __sys_sendmsg (net/socket.c:2784)
[   61.040997][ T1009]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.041140][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.041278][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.041415][ T1009]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.041556][ T1009]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.041692][ T1009]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.041828][ T1009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.041995][ T1009] RIP: 0033:0x7f280214a08e
[   61.042143][ T1009] 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
[   61.042631][ T1009] RSP: 002b:00007ffef4aa9470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.042832][ T1009] RAX: ffffffffffffffda RBX: 00007ffef4aa9c08 RCX: 00007f280214a08e
[   61.043034][ T1009] RDX: 0000000000000000 RSI: 00007ffef4aa9520 RDI: 0000000000000005
[   61.043239][ T1009] RBP: 00007ffef4aa9480 R08: 0000000000000000 R09: 0000000000000000
[   61.043441][ T1009] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.043651][ T1009] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef4aa9be0
| [   61.059276][ T1009] ------------[ cut here ]------------
| [   61.059431][ T1009] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1009
| [   61.059704][ T1009] Modules linked in:
| [   61.060077][ T1009] Tainted: [W]=WARN
[   61.060186][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.060355][ T1009] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.060533][ T1009] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.061008][ T1009] RSP: 0018:ffa00000028f71b0 EFLAGS: 00010286
[   61.061272][ T1009] RAX: 00000000ffffffa6 RBX: ff1100000962f1c0 RCX: 1ff400000051edfc
[   61.061471][ T1009] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000962f27c
[   61.061677][ T1009] RBP: ff11000009c29000 R08: 1fe22000012c5e51 R09: ff11000004edae80
[   61.061875][ T1009] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.062073][ T1009] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   61.062278][ T1009] FS:  00007f2801f10840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   61.062513][ T1009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.062687][ T1009] CR2: 000000000042ebe0 CR3: 000000001051c001 CR4: 0000000000771ef0
[   61.062894][ T1009] PKRU: 55555554
[   61.062998][ T1009] Call Trace:
[   61.063098][ T1009]  <TASK>
[   61.063172][ T1009]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.063311][ T1009]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.063412][ T1009]  __dev_notify_flags (net/core/dev.c:9787)
[   61.063553][ T1009]  ? netif_change_name (net/core/dev.c:1495)
[   61.063691][ T1009]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   61.063825][ T1009]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   61.063961][ T1009]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   61.064098][ T1009]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   61.064240][ T1009]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   61.064374][ T1009]  ? __dev_get_by_name (net/core/dev.c:883)
[   61.064508][ T1009]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   61.064654][ T1009]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   61.064791][ T1009]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.064925][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.065058][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.065196][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.065329][ T1009]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.065461][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.065605][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.065740][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.065873][ T1009]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.066006][ T1009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.066188][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.066382][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.066592][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.066796][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.066993][ T1009]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.067150][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.067285][ T1009]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.067424][ T1009]  ? 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))
[   61.067566][ T1009]  ? 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))
[   61.067701][ T1009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.067838][ T1009]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.067973][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.068109][ T1009]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.068252][ T1009]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.068387][ T1009]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.068528][ T1009]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.068665][ T1009]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.068801][ T1009]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.068994][ T1009]  ? move_addr_to_kernel (net/socket.c:258)
[   61.069209][ T1009]  ___sys_sendmsg (net/socket.c:2752)
[   61.069410][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.069623][ T1009]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.069825][ T1009]  ? 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))
[   61.069967][ T1009]  __sys_sendmsg (net/socket.c:2784)
[   61.070100][ T1009]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.070248][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.070382][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.070517][ T1009]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.070657][ T1009]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.070790][ T1009]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.070924][ T1009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.071091][ T1009] RIP: 0033:0x7f280214a08e
[   61.071242][ T1009] 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
[   61.071722][ T1009] RSP: 002b:00007ffef4aa9470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.071925][ T1009] RAX: ffffffffffffffda RBX: 00007ffef4aa9c08 RCX: 00007f280214a08e
[   61.072130][ T1009] RDX: 0000000000000000 RSI: 00007ffef4aa9520 RDI: 0000000000000005
[   61.072329][ T1009] RBP: 00007ffef4aa9480 R08: 0000000000000000 R09: 0000000000000000
[   61.072529][ T1009] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.072728][ T1009] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef4aa9be0
| [   61.124313][ T1010] ------------[ cut here ]------------
| [   61.124519][ T1010] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1010
| [   61.124845][ T1010] Modules linked in:
| [   61.125618][ T1010] Tainted: [W]=WARN
[   61.125946][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.126272][ T1010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.126604][ T1010] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.127137][ T1010] RSP: 0018:ffa0000002907020 EFLAGS: 00010286
[   61.127345][ T1010] RAX: 00000000ffffffa6 RBX: ff1100000c5f83c0 RCX: 1ff4000000520dca
[   61.127603][ T1010] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f847c
[   61.127845][ T1010] RBP: ff11000009c29000 R08: 1fe22000018bf091 R09: ff11000004edd158
[   61.128133][ T1010] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   61.128446][ T1010] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.128703][ T1010] FS:  00007f9b1c0c1840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   61.128979][ T1010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.129201][ T1010] CR2: 00007f9b1c3911a0 CR3: 000000000b841001 CR4: 0000000000771ef0
[   61.129494][ T1010] PKRU: 55555554
[   61.129657][ T1010] Call Trace:
[   61.129802][ T1010]  <TASK>
[   61.129917][ T1010]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.130098][ T1010]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.130262][ T1010]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.130440][ T1010]  __dev_notify_flags (net/core/dev.c:9787)
[   61.130629][ T1010]  ? netif_change_name (net/core/dev.c:1495)
[   61.130807][ T1010]  ? __dev_change_flags (net/core/dev.c:9752)
[   61.130985][ T1010]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   61.131172][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.131355][ T1010]  ? 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))
[   61.131542][ T1010]  netif_change_flags (net/core/dev.c:9820)
[   61.131722][ T1010]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   61.131901][ T1010]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   61.132080][ T1010]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.132268][ T1010]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.132481][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.132668][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.132845][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.133023][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.133216][ T1010]  ? __kernel_text_address (kernel/extable.c:79)
[   61.133396][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.133585][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.133762][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.133943][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.134135][ T1010]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.134313][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.134491][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.134677][ T1010]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.134855][ T1010]  ? __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)
[   61.135033][ T1010]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.135237][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.135417][ T1010]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.135606][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.135787][ T1010]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.135967][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.136161][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.136343][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.136530][ T1010]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.136716][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.136899][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.137076][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.137267][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.137446][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.137639][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.137820][ T1010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.137999][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.138253][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.138500][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.138763][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.139007][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.139279][ T1010]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.139494][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.139684][ T1010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.139869][ T1010]  ? 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))
[   61.140051][ T1010]  ? 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))
[   61.140246][ T1010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.140428][ T1010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.140618][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.140802][ T1010]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.140981][ T1010]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.141170][ T1010]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.141351][ T1010]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.141539][ T1010]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.141718][ T1010]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.141927][ T1010]  ? move_addr_to_kernel (net/socket.c:258)
[   61.142106][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.142300][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.142481][ T1010]  ___sys_sendmsg (net/socket.c:2752)
[   61.142671][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.142887][ T1010]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.143077][ T1010]  __sys_sendmsg (net/socket.c:2784)
[   61.143268][ T1010]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.143445][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.143666][ T1010]  ? 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)
[   61.143846][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.144028][ T1010]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.144219][ T1010]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.144399][ T1010]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.144586][ T1010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.144797][ T1010] RIP: 0033:0x7f9b1c2fb08e
[   61.144980][ T1010] 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
[   61.145624][ T1010] RSP: 002b:00007ffc0ad63170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.145956][ T1010] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9b1c2fb08e
[   61.146214][ T1010] RDX: 0000000000000000 RSI: 00007ffc0ad63220 RDI: 0000000000000005
[   61.146559][ T1010] RBP: 00007ffc0ad63180 R08: 0000000000000000 R09: 0000000000000000
[   61.147053][ T1010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.147341][ T1010] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0ad638e0
| [   61.216598][ T1011] ------------[ cut here ]------------
| [   61.216779][ T1011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1011
| [   61.217043][ T1011] Modules linked in:
| [   61.217420][ T1011] Tainted: [W]=WARN
[   61.217517][ T1011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.217688][ T1011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.217856][ T1011] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.218320][ T1011] RSP: 0018:ffa0000002916ff8 EFLAGS: 00010286
[   61.218484][ T1011] RAX: 00000000ffffffa6 RBX: ff1100000979d8c0 RCX: 1ff4000000522dc5
[   61.218682][ T1011] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979d97c
[   61.218870][ T1011] RBP: ff1100000629c000 R08: 1fe22000012f3b31 R09: ff11000004ed8b58
[   61.219058][ T1011] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.219255][ T1011] R13: 0000000000000000 R14: ffa0000002917140 R15: ff110000061b03d0
[   61.219448][ T1011] FS:  00007fdca03ad840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   61.219679][ T1011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.219841][ T1011] CR2: 000000000b1c0988 CR3: 0000000008e96006 CR4: 0000000000771ef0
[   61.220034][ T1011] PKRU: 55555554
[   61.220135][ T1011] Call Trace:
[   61.220230][ T1011]  <TASK>
[   61.220297][ T1011]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   61.220428][ T1011]  __dev_change_net_namespace (net/core/dev.c:12635)
[   61.220597][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.220726][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.220855][ T1011]  ? default_device_exit_batch (net/core/dev.c:13091)
[   61.221016][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.221150][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.221278][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.221407][ T1011]  ? 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))
[   61.221544][ T1011]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.221676][ T1011]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   61.221810][ T1011]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.221939][ T1011]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.222099][ T1011]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.222236][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.222363][ T1011]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.222490][ T1011]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.222622][ T1011]  ? __kernel_text_address (kernel/extable.c:79)
[   61.222750][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.222878][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.223004][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.223138][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.223265][ T1011]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.223390][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.223516][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.223651][ T1011]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.223780][ T1011]  ? __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)
[   61.223906][ T1011]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.224033][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.224165][ T1011]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.224291][ T1011]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.224420][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.224557][ T1011]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.224690][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.224816][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.224944][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.225071][ T1011]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.225207][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.225336][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.225463][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.225597][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.225726][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.225854][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.225983][ T1011]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.226110][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.226243][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.226370][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.226499][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.226629][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.226759][ T1011]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.226887][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.227015][ T1011]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.227153][ T1011]  ? 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))
[   61.227281][ T1011]  ? 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))
[   61.227411][ T1011]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.227546][ T1011]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.227673][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.227801][ T1011]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.227930][ T1011]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.228059][ T1011]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.228193][ T1011]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.228321][ T1011]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.228448][ T1011]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.228609][ T1011]  ? move_addr_to_kernel (net/socket.c:258)
[   61.228738][ T1011]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.228864][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.228994][ T1011]  ___sys_sendmsg (net/socket.c:2752)
[   61.229125][ T1011]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.229283][ T1011]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.229422][ T1011]  __sys_sendmsg (net/socket.c:2784)
[   61.229555][ T1011]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.229682][ T1011]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.229842][ T1011]  ? 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)
[   61.229971][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.230099][ T1011]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.230234][ T1011]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.230362][ T1011]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.230489][ T1011]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.230654][ T1011] RIP: 0033:0x7fdca05e708e
[   61.230788][ T1011] 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
[   61.231251][ T1011] RSP: 002b:00007ffe2d157fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.231441][ T1011] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdca05e708e
[   61.231634][ T1011] RDX: 0000000000000000 RSI: 00007ffe2d158090 RDI: 0000000000000005
[   61.231828][ T1011] RBP: 00007ffe2d157ff0 R08: 0000000000000000 R09: 0000000000000000
[   61.232018][ T1011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.232213][ T1011] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2d158750
| [   61.241183][ T1011] ------------[ cut here ]------------
| [   61.241319][ T1011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1011
| [   61.241577][ T1011] Modules linked in:
| [   61.241938][ T1011] Tainted: [W]=WARN
[   61.242036][ T1011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.242202][ T1011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.242373][ T1011] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.242842][ T1011] RSP: 0018:ffa0000002916fc0 EFLAGS: 00010286
[   61.243005][ T1011] RAX: 00000000ffffffa6 RBX: ff1100000daa0c80 RCX: 1ff4000000522dbe
[   61.243199][ T1011] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa0d3c
[   61.243391][ T1011] RBP: ff1100000629c000 R08: 1fe2200001b541a9 R09: ff11000004ed8b58
[   61.243589][ T1011] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.243779][ T1011] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000061b03d0
[   61.243973][ T1011] FS:  00007fdca03ad840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   61.244198][ T1011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.244360][ T1011] CR2: 000000000b1c0988 CR3: 0000000008e96006 CR4: 0000000000771ef0
[   61.244560][ T1011] PKRU: 55555554
[   61.244655][ T1011] Call Trace:
[   61.244751][ T1011]  <TASK>
[   61.244817][ T1011]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.244947][ T1011]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.245076][ T1011]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.245179][ T1011]  __dev_change_net_namespace (net/core/dev.c:12695)
[   61.245341][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.245469][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.245604][ T1011]  ? default_device_exit_batch (net/core/dev.c:13091)
[   61.245762][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.245889][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.246019][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.246153][ T1011]  ? 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))
[   61.246286][ T1011]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.246420][ T1011]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   61.246556][ T1011]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.246685][ T1011]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.246845][ T1011]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.246972][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.247099][ T1011]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.247233][ T1011]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.247362][ T1011]  ? __kernel_text_address (kernel/extable.c:79)
[   61.247490][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.247624][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.247752][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.247881][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.248009][ T1011]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.248146][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.248272][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.248402][ T1011]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.248533][ T1011]  ? __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)
[   61.248662][ T1011]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.248792][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.248922][ T1011]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.249049][ T1011]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.249189][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.249322][ T1011]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.249452][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.249584][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.249712][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.249841][ T1011]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.249970][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.250101][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.250237][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.250367][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.250495][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.250630][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.250761][ T1011]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.250890][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.251017][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.251151][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.251280][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.251408][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.251542][ T1011]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.251673][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.251802][ T1011]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.251935][ T1011]  ? 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))
[   61.252063][ T1011]  ? 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))
[   61.252198][ T1011]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.252328][ T1011]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.252457][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.252592][ T1011]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.252722][ T1011]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.252850][ T1011]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.252981][ T1011]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.253110][ T1011]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.253247][ T1011]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.253406][ T1011]  ? move_addr_to_kernel (net/socket.c:258)
[   61.253540][ T1011]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.253669][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.253799][ T1011]  ___sys_sendmsg (net/socket.c:2752)
[   61.253927][ T1011]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.254088][ T1011]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.254240][ T1011]  __sys_sendmsg (net/socket.c:2784)
[   61.254371][ T1011]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.254500][ T1011]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.254667][ T1011]  ? 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)
[   61.254796][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.254927][ T1011]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.255057][ T1011]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.255193][ T1011]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.255321][ T1011]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.255482][ T1011] RIP: 0033:0x7fdca05e708e
[   61.255620][ T1011] 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
[   61.256083][ T1011] RSP: 002b:00007ffe2d157fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.256289][ T1011] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdca05e708e
[   61.256486][ T1011] RDX: 0000000000000000 RSI: 00007ffe2d158090 RDI: 0000000000000005
[   61.256686][ T1011] RBP: 00007ffe2d157ff0 R08: 0000000000000000 R09: 0000000000000000
[   61.256881][ T1011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.257073][ T1011] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2d158750
| [   61.258962][ T1011] ------------[ cut here ]------------
| [   61.259090][ T1011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1011
| [   61.259851][ T1011] Modules linked in:
| [   61.260271][ T1011] Tainted: [W]=WARN
[   61.260372][ T1011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.260535][ T1011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.260704][ T1011] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.261225][ T1011] RSP: 0018:ffa0000002917038 EFLAGS: 00010286
[   61.261391][ T1011] RAX: 00000000ffffffa6 RBX: ff1100000daa0900 RCX: 1ff4000000522dcd
[   61.261588][ T1011] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa09bc
[   61.261778][ T1011] RBP: ff1100000629c000 R08: 1fe2200001b54139 R09: ff11000004ed8b58
[   61.261970][ T1011] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   61.262221][ T1011] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.262415][ T1011] FS:  00007fdca03ad840(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   61.262653][ T1011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.262815][ T1011] CR2: 000000000b1c0988 CR3: 0000000008e96006 CR4: 0000000000771ef0
[   61.263007][ T1011] PKRU: 55555554
[   61.263104][ T1011] Call Trace:
[   61.263256][ T1011]  <TASK>
[   61.263323][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.263453][ T1011]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   61.263589][ T1011]  notifier_call_chain (kernel/notifier.c:85)
[   61.263721][ T1011]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   61.263851][ T1011]  ? default_device_exit_batch (net/core/dev.c:13091)
[   61.264016][ T1011]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   61.264236][ T1011]  ? 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))
[   61.264367][ T1011]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.264499][ T1011]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   61.264633][ T1011]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.264764][ T1011]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.264925][ T1011]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.265054][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.265246][ T1011]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.265376][ T1011]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.265507][ T1011]  ? __kernel_text_address (kernel/extable.c:79)
[   61.265643][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.265775][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.265905][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.266036][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.266224][ T1011]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.266353][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.266482][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.266617][ T1011]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.266748][ T1011]  ? __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)
[   61.266877][ T1011]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.267006][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.267192][ T1011]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.267322][ T1011]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.267452][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.267589][ T1011]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.267720][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.267848][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.267974][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.268101][ T1011]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.268288][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.268421][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.268552][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.268680][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.268809][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.268939][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.269068][ T1011]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.269250][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.269381][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.269509][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.269643][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.269770][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.269900][ T1011]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.270027][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.270211][ T1011]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.270342][ T1011]  ? 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))
[   61.270472][ T1011]  ? 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))
[   61.270605][ T1011]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.270734][ T1011]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.270863][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.270993][ T1011]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.271179][ T1011]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.271310][ T1011]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.271443][ T1011]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.271578][ T1011]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.271705][ T1011]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.271866][ T1011]  ? move_addr_to_kernel (net/socket.c:258)
[   61.271995][ T1011]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.272179][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.272309][ T1011]  ___sys_sendmsg (net/socket.c:2752)
[   61.272438][ T1011]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.272603][ T1011]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.272746][ T1011]  __sys_sendmsg (net/socket.c:2784)
[   61.272874][ T1011]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.273001][ T1011]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.273217][ T1011]  ? 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)
[   61.273344][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.273475][ T1011]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.273609][ T1011]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.273737][ T1011]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.273864][ T1011]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.274113][ T1011] RIP: 0033:0x7fdca05e708e
[   61.274305][ T1011] 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
[   61.274769][ T1011] RSP: 002b:00007ffe2d157fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.275048][ T1011] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdca05e708e
[   61.275298][ T1011] RDX: 0000000000000000 RSI: 00007ffe2d158090 RDI: 0000000000000005
[   61.275490][ T1011] RBP: 00007ffe2d157ff0 R08: 0000000000000000 R09: 0000000000000000
[   61.275686][ T1011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.275878][ T1011] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2d158750
| [   61.322787][ T1012] ------------[ cut here ]------------
| [   61.322943][ T1012] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1012
| [   61.323835][ T1012] Modules linked in:
| [   61.324416][ T1012] Tainted: [W]=WARN
[   61.324516][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.324684][ T1012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.324851][ T1012] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.325430][ T1012] RSP: 0018:ffa0000002917020 EFLAGS: 00010286
[   61.325603][ T1012] RAX: 00000000ffffffa6 RBX: ff1100000c5f9a80 RCX: 1ff4000000522dca
[   61.325796][ T1012] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f9b3c
[   61.326098][ T1012] RBP: ff1100000629c000 R08: 1fe22000018bf369 R09: ff1100000f392e58
[   61.326404][ T1012] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   61.326605][ T1012] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.326802][ T1012] FS:  00007f6a314cc840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   61.327029][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.327302][ T1012] CR2: 00000000132b9988 CR3: 000000000f552002 CR4: 0000000000771ef0
[   61.327500][ T1012] PKRU: 55555554
[   61.327602][ T1012] Call Trace:
[   61.327698][ T1012]  <TASK>
[   61.327765][ T1012]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.327898][ T1012]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.327998][ T1012]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.328237][ T1012]  __dev_notify_flags (net/core/dev.c:9787)
[   61.328374][ T1012]  ? netif_change_name (net/core/dev.c:1495)
[   61.328505][ T1012]  ? __dev_change_flags (net/core/dev.c:9752)
[   61.328642][ T1012]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   61.328772][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.328902][ T1012]  ? 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))
[   61.329035][ T1012]  netif_change_flags (net/core/dev.c:9820)
[   61.329279][ T1012]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   61.329410][ T1012]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   61.329547][ T1012]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.329679][ T1012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.329843][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.329971][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.330102][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.330343][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.330474][ T1012]  ? __kernel_text_address (kernel/extable.c:79)
[   61.330610][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.330742][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.330874][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.331004][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.331244][ T1012]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.331376][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.331504][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.331641][ T1012]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.331773][ T1012]  ? __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)
[   61.331903][ T1012]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.332034][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.332274][ T1012]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.332408][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.332550][ T1012]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.332683][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.332812][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.332943][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.333072][ T1012]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.333310][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.333444][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.333580][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.333711][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.333843][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.333974][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.334107][ T1012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.334349][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.334478][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.334615][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.334749][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.334878][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.335010][ T1012]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.335208][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.335340][ T1012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.335474][ T1012]  ? 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))
[   61.335608][ T1012]  ? 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))
[   61.335742][ T1012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.335878][ T1012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.336011][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.336239][ T1012]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.336372][ T1012]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.336505][ T1012]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.336648][ T1012]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.336782][ T1012]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.336916][ T1012]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.337079][ T1012]  ? move_addr_to_kernel (net/socket.c:258)
[   61.337364][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.337504][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.337644][ T1012]  ___sys_sendmsg (net/socket.c:2752)
[   61.337777][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.337942][ T1012]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.338089][ T1012]  __sys_sendmsg (net/socket.c:2784)
[   61.338322][ T1012]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.338452][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.338626][ T1012]  ? 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)
[   61.338757][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.338890][ T1012]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.339024][ T1012]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.339257][ T1012]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.339392][ T1012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.339562][ T1012] RIP: 0033:0x7f6a3170608e
[   61.339702][ T1012] 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
[   61.340263][ T1012] RSP: 002b:00007ffd93eda630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.340465][ T1012] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6a3170608e
[   61.340667][ T1012] RDX: 0000000000000000 RSI: 00007ffd93eda6e0 RDI: 0000000000000005
[   61.340865][ T1012] RBP: 00007ffd93eda640 R08: 0000000000000000 R09: 0000000000000000
[   61.341061][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.341360][ T1012] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd93edada0
| [   61.349397][   T39] ------------[ cut here ]------------
| [   61.349540][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   61.349788][   T39] Modules linked in:
| [   61.350168][   T39] Tainted: [W]=WARN
[   61.350263][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.350420][   T39] Workqueue: events_unbound linkwatch_event
[   61.350582][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.350739][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.351192][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   61.351349][   T39] RAX: 00000000ffffffa6 RBX: ff1100000dd42900 RCX: 1ff4000000057f02
[   61.351535][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd429bc
[   61.351720][   T39] RBP: ff1100000629c000 R08: 1fe2200001ba8539 R09: ff11000001da51a8
[   61.351898][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   61.352078][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.352271][   T39] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   61.352481][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.352639][   T39] CR2: 000055d19c51fd5c CR3: 0000000010162003 CR4: 0000000000771ef0
[   61.352821][   T39] PKRU: 55555554
[   61.352916][   T39] Call Trace:
[   61.353007][   T39]  <TASK>
[   61.353071][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.353200][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.353327][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.353420][   T39]  netif_state_change (net/core/dev.c:1605)
[   61.353553][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   61.353705][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   61.353826][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   61.353948][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.354073][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   61.354201][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   61.354322][   T39]  process_one_work (kernel/workqueue.c:3314)
[   61.354448][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.354573][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.354699][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.354825][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.354944][   T39]  kthread (kernel/kthread.c:436)
[   61.355035][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.355195][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.355316][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.355437][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.355594][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.355715][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.355835][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.357754][   T39] ------------[ cut here ]------------
| [   61.357880][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   61.358123][   T39] Modules linked in:
| [   61.358486][   T39] Tainted: [W]=WARN
[   61.358581][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.358733][   T39] Workqueue: events_unbound linkwatch_event
[   61.358887][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.359043][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.359478][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   61.359637][   T39] RAX: 00000000ffffffa6 RBX: ff1100000d069e00 RCX: 1ff4000000057f02
[   61.359817][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d069ebc
[   61.359995][   T39] RBP: ff11000009c29000 R08: 1fe2200001a0d3d9 R09: ff11000001da51a8
[   61.360189][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   61.360371][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.360556][   T39] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   61.360764][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.360915][   T39] CR2: 000055d19c51fd5c CR3: 0000000010162003 CR4: 0000000000771ef0
[   61.361097][   T39] PKRU: 55555554
[   61.361192][   T39] Call Trace:
[   61.361283][   T39]  <TASK>
[   61.361346][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.361466][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.361601][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.361693][   T39]  netif_state_change (net/core/dev.c:1605)
[   61.361815][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   61.361969][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   61.362089][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   61.362216][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.362340][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   61.362459][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   61.362587][   T39]  process_one_work (kernel/workqueue.c:3314)
[   61.362712][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.362833][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.362957][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.363082][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.363209][   T39]  kthread (kernel/kthread.c:436)
[   61.363300][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.363449][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.363576][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.363697][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.363849][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.363969][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.364090][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.520629][ T1015] ------------[ cut here ]------------
| [   61.520794][ T1015] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1015
| [   61.521066][ T1015] Modules linked in:
| [   61.521464][ T1015] Tainted: [W]=WARN
[   61.521573][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.521745][ T1015] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.521922][ T1015] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.522403][ T1015] RSP: 0018:ffa0000002936e30 EFLAGS: 00010286
[   61.522581][ T1015] RAX: 00000000ffffffa6 RBX: ff1100000f670740 RCX: 1ff4000000526d8c
[   61.522786][ T1015] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f6707fc
[   61.522993][ T1015] RBP: ff1100000ff4c000 R08: 1fe2200001ece101 R09: ff1100000f375180
[   61.523201][ T1015] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.523403][ T1015] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000105b1580
[   61.523615][ T1015] FS:  00007f86c33bd840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   61.523857][ T1015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.524029][ T1015] CR2: 000000000042ebe0 CR3: 0000000004c6d006 CR4: 0000000000771ef0
[   61.524241][ T1015] PKRU: 55555554
[   61.524343][ T1015] Call Trace:
[   61.524445][ T1015]  <TASK>
[   61.524517][ T1015]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.524663][ T1015]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.524769][ T1015]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   61.524940][ T1015]  __dev_notify_flags (net/core/dev.c:9787)
[   61.525079][ T1015]  ? netif_change_name (net/core/dev.c:1495)
[   61.525224][ T1015]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.525361][ T1015]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.525497][ T1015]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.525638][ T1015]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   61.525774][ T1015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.525913][ T1015]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.526049][ T1015]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   61.526191][ T1015]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.526329][ T1015]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   61.526468][ T1015]  veth_newlink (drivers/net/veth.c:1871)
[   61.526610][ T1015]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   61.526746][ T1015]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.526882][ T1015]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.527017][ T1015]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.527178][ T1015]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   61.527313][ T1015]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   61.527450][ T1015]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   61.527590][ T1015]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   61.527726][ T1015]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   61.527864][ T1015]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   61.528004][ T1015]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   61.528145][ T1015]  ? __dev_get_by_name (net/core/dev.c:883)
[   61.528280][ T1015]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   61.528422][ T1015]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   61.528565][ T1015]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.528703][ T1015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.528841][ T1015]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.528977][ T1015]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.529112][ T1015]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.529250][ T1015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.529390][ T1015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.529545][ T1015]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.529681][ T1015]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.529816][ T1015]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.529952][ T1015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.530089][ T1015]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.530232][ T1015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.530366][ T1015]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.530504][ T1015]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.530644][ T1015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.530780][ T1015]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.530920][ T1015]  ? 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))
[   61.531056][ T1015]  ? 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))
[   61.531198][ T1015]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.531335][ T1015]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.531471][ T1015]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.531612][ T1015]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.531751][ T1015]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.531888][ T1015]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.532027][ T1015]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.532167][ T1015]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.532303][ T1015]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.532471][ T1015]  ? move_addr_to_kernel (net/socket.c:258)
[   61.532616][ T1015]  ___sys_sendmsg (net/socket.c:2752)
[   61.532750][ T1015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.532885][ T1015]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.533031][ T1015]  ? 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))
[   61.533174][ T1015]  __sys_sendmsg (net/socket.c:2784)
[   61.533311][ T1015]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.533449][ T1015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.533592][ T1015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.533727][ T1015]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.533863][ T1015]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.534000][ T1015]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.534143][ T1015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.534313][ T1015] RIP: 0033:0x7f86c35f708e
[   61.534458][ T1015] 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
[   61.534948][ T1015] RSP: 002b:00007fff156c29f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.535163][ T1015] RAX: ffffffffffffffda RBX: 00007fff156c3188 RCX: 00007f86c35f708e
[   61.535367][ T1015] RDX: 0000000000000000 RSI: 00007fff156c2aa0 RDI: 0000000000000005
[   61.535572][ T1015] RBP: 00007fff156c2a00 R08: 0000000000000000 R09: 0000000000000000
[   61.535774][ T1015] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.535977][ T1015] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff156c3160
| [   61.544541][ T1015] ------------[ cut here ]------------
| [   61.544689][ T1015] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1015
| [   61.544957][ T1015] Modules linked in:
| [   61.545339][ T1015] Tainted: [W]=WARN
[   61.545440][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.545611][ T1015] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.545785][ T1015] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.546848][ T1015] RSP: 0018:ffa00000029371b0 EFLAGS: 00010286
[   61.547020][ T1015] RAX: 00000000ffffffa6 RBX: ff1100000a094740 RCX: 1ff4000000526dfc
[   61.547278][ T1015] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0947fc
[   61.547478][ T1015] RBP: ff1100000fe3c000 R08: 1fe2200001412901 R09: ff1100000f375180
[   61.547684][ T1015] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.547884][ T1015] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb5003b20
[   61.548107][ T1015] FS:  00007f86c33bd840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   61.548407][ T1015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.548583][ T1015] CR2: 000000000042ebe0 CR3: 0000000004c6d006 CR4: 0000000000771ef0
[   61.548783][ T1015] PKRU: 55555554
[   61.548883][ T1015] Call Trace:
[   61.548984][ T1015]  <TASK>
[   61.549055][ T1015]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.549249][ T1015]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.549352][ T1015]  __dev_notify_flags (net/core/dev.c:9787)
[   61.549491][ T1015]  ? netif_change_name (net/core/dev.c:1495)
[   61.549631][ T1015]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   61.549765][ T1015]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   61.549899][ T1015]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   61.550034][ T1015]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   61.550227][ T1015]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   61.550363][ T1015]  ? __dev_get_by_name (net/core/dev.c:883)
[   61.550501][ T1015]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   61.550645][ T1015]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   61.550783][ T1015]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.550917][ T1015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.551051][ T1015]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.551248][ T1015]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.551382][ T1015]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.551513][ T1015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.551655][ T1015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.551789][ T1015]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.551924][ T1015]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.552057][ T1015]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.552249][ T1015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.552381][ T1015]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.552515][ T1015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.552652][ T1015]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.552788][ T1015]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.552921][ T1015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.553055][ T1015]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.553250][ T1015]  ? 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))
[   61.553383][ T1015]  ? 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))
[   61.553518][ T1015]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.553657][ T1015]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.553791][ T1015]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.553927][ T1015]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.554061][ T1015]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.554252][ T1015]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.554389][ T1015]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.554528][ T1015]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.554662][ T1015]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.554828][ T1015]  ? move_addr_to_kernel (net/socket.c:258)
[   61.554965][ T1015]  ___sys_sendmsg (net/socket.c:2752)
[   61.555099][ T1015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.555289][ T1015]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.555430][ T1015]  ? 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))
[   61.555569][ T1015]  __sys_sendmsg (net/socket.c:2784)
[   61.555703][ T1015]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.555839][ T1015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.555976][ T1015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.556110][ T1015]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.556304][ T1015]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.556437][ T1015]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.556575][ T1015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.556740][ T1015] RIP: 0033:0x7f86c35f708e
[   61.556879][ T1015] 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
[   61.557419][ T1015] RSP: 002b:00007fff156c29f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.557625][ T1015] RAX: ffffffffffffffda RBX: 00007fff156c3188 RCX: 00007f86c35f708e
[   61.557824][ T1015] RDX: 0000000000000000 RSI: 00007fff156c2aa0 RDI: 0000000000000005
[   61.558023][ T1015] RBP: 00007fff156c2a00 R08: 0000000000000000 R09: 0000000000000000
[   61.558281][ T1015] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.558481][ T1015] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff156c3160
| [   61.615865][ T1016] ------------[ cut here ]------------
| [   61.616065][ T1016] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1016
| [   61.616392][ T1016] Modules linked in:
| [   61.616864][ T1016] Tainted: [W]=WARN
[   61.617012][ T1016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.617232][ T1016] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.617453][ T1016] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.617974][ T1016] RSP: 0018:ffa0000002947020 EFLAGS: 00010286
[   61.618200][ T1016] RAX: 00000000ffffffa6 RBX: ff110000029ba900 RCX: 1ff4000000528dca
[   61.618443][ T1016] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029ba9bc
[   61.618689][ T1016] RBP: ff1100000fe3c000 R08: 1fe2200000537539 R09: ff11000009c10b58
[   61.618929][ T1016] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   61.619183][ T1016] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.619428][ T1016] FS:  00007f460d6ec840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   61.619721][ T1016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.619933][ T1016] CR2: 000000003a4ea988 CR3: 000000000feb2001 CR4: 0000000000771ef0
[   61.620187][ T1016] PKRU: 55555554
[   61.620334][ T1016] Call Trace:
[   61.620481][ T1016]  <TASK>
[   61.620607][ T1016]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.620791][ T1016]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.620940][ T1016]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.621135][ T1016]  __dev_notify_flags (net/core/dev.c:9787)
[   61.621318][ T1016]  ? netif_change_name (net/core/dev.c:1495)
[   61.621495][ T1016]  ? __dev_change_flags (net/core/dev.c:9752)
[   61.621681][ T1016]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   61.621859][ T1016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.622038][ T1016]  ? 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))
[   61.622236][ T1016]  netif_change_flags (net/core/dev.c:9820)
[   61.622415][ T1016]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   61.622601][ T1016]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   61.622781][ T1016]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.622959][ T1016]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.623185][ T1016]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.623361][ T1016]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.623551][ T1016]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.623731][ T1016]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.623912][ T1016]  ? __kernel_text_address (kernel/extable.c:79)
[   61.624092][ T1016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.624286][ T1016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.624465][ T1016]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.624656][ T1016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.624840][ T1016]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.625017][ T1016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.625207][ T1016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.625384][ T1016]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.625571][ T1016]  ? __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)
[   61.625751][ T1016]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.625931][ T1016]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.626110][ T1016]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.626310][ T1016]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.626492][ T1016]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.626680][ T1016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.626854][ T1016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.627033][ T1016]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.627226][ T1016]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.627404][ T1016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.627594][ T1016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.627776][ T1016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.627956][ T1016]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.628148][ T1016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.628326][ T1016]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.628504][ T1016]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.628692][ T1016]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.628870][ T1016]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.629056][ T1016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.629250][ T1016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.629426][ T1016]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.629613][ T1016]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.629795][ T1016]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.630038][ T1016]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.630308][ T1016]  ? 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))
[   61.630566][ T1016]  ? 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))
[   61.630827][ T1016]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.631031][ T1016]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.631224][ T1016]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.631404][ T1016]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.631596][ T1016]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.631778][ T1016]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.631959][ T1016]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.632151][ T1016]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.632333][ T1016]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.632548][ T1016]  ? move_addr_to_kernel (net/socket.c:258)
[   61.632729][ T1016]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.632908][ T1016]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.633087][ T1016]  ___sys_sendmsg (net/socket.c:2752)
[   61.633280][ T1016]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.633493][ T1016]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.633692][ T1016]  __sys_sendmsg (net/socket.c:2784)
[   61.633872][ T1016]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.634050][ T1016]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.634278][ T1016]  ? 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)
[   61.634458][ T1016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.634650][ T1016]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.634831][ T1016]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.635014][ T1016]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.635206][ T1016]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.635416][ T1016] RIP: 0033:0x7f460d92608e
[   61.635875][ T1016] 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
[   61.636399][ T1016] RSP: 002b:00007ffc44b59b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.636652][ T1016] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f460d92608e
[   61.636892][ T1016] RDX: 0000000000000000 RSI: 00007ffc44b59c30 RDI: 0000000000000005
[   61.637146][ T1016] RBP: 00007ffc44b59b90 R08: 0000000000000000 R09: 0000000000000000
[   61.637446][ T1016] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.637770][ T1016] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc44b5a2f0
| [   61.708444][ T1017] ------------[ cut here ]------------
| [   61.708613][ T1017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1017
| [   61.708871][ T1017] Modules linked in:
| [   61.709249][ T1017] Tainted: [W]=WARN
[   61.709347][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.709511][ T1017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.709684][ T1017] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.710144][ T1017] RSP: 0018:ffa0000002956ff8 EFLAGS: 00010286
[   61.710306][ T1017] RAX: 00000000ffffffa6 RBX: ff11000009aec740 RCX: 1ff400000052adc5
[   61.710499][ T1017] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aec7fc
[   61.710694][ T1017] RBP: ff1100000ff4c000 R08: 1fe220000135d901 R09: ff1100000fe90b58
[   61.710882][ T1017] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.711071][ T1017] R13: 0000000000000000 R14: ffa0000002957140 R15: ff11000009755550
[   61.711271][ T1017] FS:  00007f9cc66a1840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   61.711494][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.711660][ T1017] CR2: 00007f9cc69711a0 CR3: 000000000fd78004 CR4: 0000000000771ef0
[   61.711851][ T1017] PKRU: 55555554
[   61.711949][ T1017] Call Trace:
[   61.712046][ T1017]  <TASK>
[   61.712121][ T1017]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   61.712252][ T1017]  __dev_change_net_namespace (net/core/dev.c:12635)
[   61.712412][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.712545][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.712673][ T1017]  ? default_device_exit_batch (net/core/dev.c:13091)
[   61.712831][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.712959][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.713087][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.713894][ T1017]  ? 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))
[   61.714033][ T1017]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.714171][ T1017]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   61.714301][ T1017]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.714430][ T1017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.714595][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.714722][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.714850][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.714978][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.715106][ T1017]  ? __kernel_text_address (kernel/extable.c:79)
[   61.715240][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.715370][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.715499][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.715633][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.715759][ T1017]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.715887][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.716015][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.716148][ T1017]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.716277][ T1017]  ? __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)
[   61.716407][ T1017]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.716541][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.716672][ T1017]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.716801][ T1017]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.716933][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.717064][ T1017]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.717200][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.717328][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.717458][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.717588][ T1017]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.717715][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.717844][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.717970][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.718098][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.718231][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.718360][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.718490][ T1017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.718623][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.718750][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.718875][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.719003][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.719133][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.719262][ T1017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.719388][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.719517][ T1017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.719655][ T1017]  ? 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))
[   61.719782][ T1017]  ? 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))
[   61.719912][ T1017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.720043][ T1017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.720176][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.720304][ T1017]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.720434][ T1017]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.720569][ T1017]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.720699][ T1017]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.720827][ T1017]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.720955][ T1017]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.721112][ T1017]  ? move_addr_to_kernel (net/socket.c:258)
[   61.721246][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.721376][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.721504][ T1017]  ___sys_sendmsg (net/socket.c:2752)
[   61.721635][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.721794][ T1017]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.721934][ T1017]  __sys_sendmsg (net/socket.c:2784)
[   61.722072][ T1017]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.722205][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.722366][ T1017]  ? 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)
[   61.722494][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.722631][ T1017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.722759][ T1017]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.722889][ T1017]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.723016][ T1017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.723180][ T1017] RIP: 0033:0x7f9cc68db08e
[   61.723316][ T1017] 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
[   61.723779][ T1017] RSP: 002b:00007ffc5b721440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.723972][ T1017] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9cc68db08e
[   61.724172][ T1017] RDX: 0000000000000000 RSI: 00007ffc5b7214f0 RDI: 0000000000000005
[   61.724366][ T1017] RBP: 00007ffc5b721450 R08: 0000000000000000 R09: 0000000000000000
[   61.724565][ T1017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.724756][ T1017] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5b721bb0
| [   61.727387][ T1017] ------------[ cut here ]------------
| [   61.727517][ T1017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1017
| [   61.727775][ T1017] Modules linked in:
| [   61.728142][ T1017] Tainted: [W]=WARN
[   61.728240][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.728401][ T1017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.728574][ T1017] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.729033][ T1017] RSP: 0018:ffa0000002956fc0 EFLAGS: 00010286
[   61.729201][ T1017] RAX: 00000000ffffffa6 RBX: ff11000009aed540 RCX: 1ff400000052adbe
[   61.729393][ T1017] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aed5fc
[   61.729593][ T1017] RBP: ff1100000ff4c000 R08: 1fe220000135dac1 R09: ff1100000fe90b58
[   61.729786][ T1017] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.729978][ T1017] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009755550
[   61.730177][ T1017] FS:  00007f9cc66a1840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   61.730403][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.730569][ T1017] CR2: 00007f9cc69711a0 CR3: 000000000fd78004 CR4: 0000000000771ef0
[   61.730761][ T1017] PKRU: 55555554
[   61.730858][ T1017] Call Trace:
[   61.730955][ T1017]  <TASK>
[   61.731022][ T1017]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.731159][ T1017]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.731289][ T1017]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.731389][ T1017]  __dev_change_net_namespace (net/core/dev.c:12695)
[   61.731558][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.731687][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.731818][ T1017]  ? default_device_exit_batch (net/core/dev.c:13091)
[   61.731978][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.732106][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.732242][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.732372][ T1017]  ? 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))
[   61.732501][ T1017]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.732636][ T1017]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   61.732768][ T1017]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.732898][ T1017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.733058][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.733191][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.733322][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.733450][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.733584][ T1017]  ? __kernel_text_address (kernel/extable.c:79)
[   61.733714][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.733845][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.733974][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.734104][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.734239][ T1017]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.734367][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.734495][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.734630][ T1017]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.734760][ T1017]  ? __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)
[   61.734890][ T1017]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.735018][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.735155][ T1017]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.735286][ T1017]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.735416][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.735555][ T1017]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.735686][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.735814][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.736030][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.736163][ T1017]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.736293][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.736424][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.736643][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.736771][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.736900][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.737030][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.737250][ T1017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.737378][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.737508][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.737643][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.737857][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.737985][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.738121][ T1017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.738252][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.738464][ T1017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.738603][ T1017]  ? 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))
[   61.738734][ T1017]  ? 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))
[   61.738866][ T1017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.739081][ T1017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.739217][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.739348][ T1017]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.739478][ T1017]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.739699][ T1017]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.739833][ T1017]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.739962][ T1017]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.740090][ T1017]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.740255][ T1017]  ? move_addr_to_kernel (net/socket.c:258)
[   61.740386][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.740514][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.740650][ T1017]  ___sys_sendmsg (net/socket.c:2752)
[   61.740863][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.741022][ T1017]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.741170][ T1017]  __sys_sendmsg (net/socket.c:2784)
[   61.741382][ T1017]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.741510][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.741677][ T1017]  ? 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)
[   61.741806][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.742023][ T1017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.742156][ T1017]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.742286][ T1017]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.742415][ T1017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.742663][ T1017] RIP: 0033:0x7f9cc68db08e
[   61.742798][ T1017] 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
[   61.743264][ T1017] RSP: 002b:00007ffc5b721440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.743461][ T1017] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9cc68db08e
[   61.743744][ T1017] RDX: 0000000000000000 RSI: 00007ffc5b7214f0 RDI: 0000000000000005
[   61.743938][ T1017] RBP: 00007ffc5b721450 R08: 0000000000000000 R09: 0000000000000000
[   61.744138][ T1017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.744416][ T1017] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5b721bb0
| [   61.746600][ T1017] ------------[ cut here ]------------
| [   61.746814][ T1017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1017
| [   61.747066][ T1017] Modules linked in:
| [   61.747490][ T1017] Tainted: [W]=WARN
[   61.747594][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.747844][ T1017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.748011][ T1017] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.748626][ T1017] RSP: 0018:ffa0000002957038 EFLAGS: 00010286
[   61.748847][ T1017] RAX: 00000000ffffffa6 RBX: ff11000009aece40 RCX: 1ff400000052adcd
[   61.749039][ T1017] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aecefc
[   61.749286][ T1017] RBP: ff1100000ff4c000 R08: 1fe220000135d9e1 R09: ff1100000fe90b58
[   61.749488][ T1017] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   61.749686][ T1017] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   61.749879][ T1017] FS:  00007f9cc66a1840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   61.750248][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.750409][ T1017] CR2: 00007f9cc69711a0 CR3: 000000000fd78004 CR4: 0000000000771ef0
[   61.750611][ T1017] PKRU: 55555554
[   61.750707][ T1017] Call Trace:
[   61.750803][ T1017]  <TASK>
[   61.750871][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.750999][ T1017]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   61.751222][ T1017]  notifier_call_chain (kernel/notifier.c:85)
[   61.751356][ T1017]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   61.751487][ T1017]  ? default_device_exit_batch (net/core/dev.c:13091)
[   61.751659][ T1017]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   61.751903][ T1017]  ? 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))
[   61.752033][ T1017]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.752168][ T1017]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   61.752299][ T1017]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.752514][ T1017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.752681][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.752812][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.753025][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.753162][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.753292][ T1017]  ? __kernel_text_address (kernel/extable.c:79)
[   61.753424][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.753645][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.753777][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.753907][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.754037][ T1017]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.754172][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.754301][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.754431][ T1017]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.754567][ T1017]  ? __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)
[   61.754779][ T1017]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.754912][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.755044][ T1017]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.755179][ T1017]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.755395][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.755534][ T1017]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.755667][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.755796][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.756011][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.756147][ T1017]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.756276][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.756408][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.756624][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.756752][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.756880][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.757010][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.757149][ T1017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.757278][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.757409][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.757541][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.757755][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.757883][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.758013][ T1017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.758147][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.758362][ T1017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.758495][ T1017]  ? 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))
[   61.758627][ T1017]  ? 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))
[   61.758757][ T1017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.758973][ T1017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.759103][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.759239][ T1017]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.759373][ T1017]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.759594][ T1017]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.759725][ T1017]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.759857][ T1017]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.759987][ T1017]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.760234][ T1017]  ? move_addr_to_kernel (net/socket.c:258)
[   61.760365][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.760493][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.760631][ T1017]  ___sys_sendmsg (net/socket.c:2752)
[   61.760842][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.761001][ T1017]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.761145][ T1017]  __sys_sendmsg (net/socket.c:2784)
[   61.761274][ T1017]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.761485][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.761652][ T1017]  ? 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)
[   61.761784][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.761914][ T1017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.762132][ T1017]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.762261][ T1017]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.762390][ T1017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.762639][ T1017] RIP: 0033:0x7f9cc68db08e
[   61.762775][ T1017] 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
[   61.763242][ T1017] RSP: 002b:00007ffc5b721440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.763435][ T1017] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9cc68db08e
[   61.763634][ T1017] RDX: 0000000000000000 RSI: 00007ffc5b7214f0 RDI: 0000000000000005
[   61.763917][ T1017] RBP: 00007ffc5b721450 R08: 0000000000000000 R09: 0000000000000000
[   61.764109][ T1017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e335
[   61.764392][ T1017] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5b721bb0
| [   61.819874][ T1018] ------------[ cut here ]------------
| [   61.820056][ T1018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1018
| [   61.821032][ T1018] Modules linked in:
| [   61.821633][ T1018] Tainted: [W]=WARN
[   61.821785][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.821995][ T1018] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.822226][ T1018] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.822744][ T1018] RSP: 0018:ffa0000002957020 EFLAGS: 00010286
[   61.822955][ T1018] RAX: 00000000ffffffa6 RBX: ff1100000d068740 RCX: 1ff400000052adca
[   61.823207][ T1018] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0687fc
[   61.823446][ T1018] RBP: ff1100000ff4c000 R08: 1fe2200001a0d101 R09: ff1100000fe92e58
[   61.823692][ T1018] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   61.823931][ T1018] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.824188][ T1018] FS:  00007fa8dc5f1840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   61.824460][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.824677][ T1018] CR2: 00007fa8dc8c11a0 CR3: 000000000cf79005 CR4: 0000000000771ef0
[   61.824922][ T1018] PKRU: 55555554
[   61.825065][ T1018] Call Trace:
[   61.825223][ T1018]  <TASK>
[   61.825338][ T1018]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.825517][ T1018]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.825674][ T1018]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.825851][ T1018]  __dev_notify_flags (net/core/dev.c:9787)
[   61.826032][ T1018]  ? netif_change_name (net/core/dev.c:1495)
[   61.826224][ T1018]  ? __dev_change_flags (net/core/dev.c:9752)
[   61.826404][ T1018]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   61.826589][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.826771][ T1018]  ? 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))
[   61.826952][ T1018]  netif_change_flags (net/core/dev.c:9820)
[   61.827146][ T1018]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   61.827325][ T1018]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   61.827507][ T1018]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.827693][ T1018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.827907][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.828085][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.828275][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.828456][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.828644][ T1018]  ? __kernel_text_address (kernel/extable.c:79)
[   61.828823][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.829006][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.829198][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.829378][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.829564][ T1018]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.829744][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.829924][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.830105][ T1018]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.830299][ T1018]  ? __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)
[   61.830478][ T1018]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.830667][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.830847][ T1018]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.831028][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.831224][ T1018]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.831407][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.831591][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.831771][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.831948][ T1018]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.832137][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.832321][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.832498][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.832687][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.832867][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.833050][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.833242][ T1018]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.833423][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.833612][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.833791][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.833993][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.834188][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.834371][ T1018]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.834557][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.834738][ T1018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.834921][ T1018]  ? 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))
[   61.835099][ T1018]  ? 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))
[   61.835295][ T1018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.835478][ T1018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.835665][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.835846][ T1018]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.836028][ T1018]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.836222][ T1018]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.836406][ T1018]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.836595][ T1018]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.836774][ T1018]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.836984][ T1018]  ? move_addr_to_kernel (net/socket.c:258)
[   61.837178][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.837359][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.837547][ T1018]  ___sys_sendmsg (net/socket.c:2752)
[   61.837726][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.837935][ T1018]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.838143][ T1018]  __sys_sendmsg (net/socket.c:2784)
[   61.838323][ T1018]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.838500][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.838721][ T1018]  ? 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)
[   61.838900][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.839081][ T1018]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.839268][ T1018]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.839447][ T1018]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.839635][ T1018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.839844][ T1018] RIP: 0033:0x7fa8dc82b08e
[   61.840028][ T1018] 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
[   61.840558][ T1018] RSP: 002b:00007ffe3296aa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.840803][ T1018] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa8dc82b08e
[   61.841049][ T1018] RDX: 0000000000000000 RSI: 00007ffe3296ab10 RDI: 0000000000000005
[   61.841303][ T1018] RBP: 00007ffe3296aa70 R08: 0000000000000000 R09: 0000000000000000
[   61.841549][ T1018] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e336
[   61.841796][ T1018] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3296b1d0
| [   61.844846][   T38] ------------[ cut here ]------------
| [   61.845016][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/38
| [   61.845312][   T38] Modules linked in:
| [   61.845778][   T38] Tainted: [W]=WARN
[   61.845919][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.846157][   T38] Workqueue: events_unbound linkwatch_event
[   61.846362][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.846571][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.847041][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   61.847252][   T38] RAX: 00000000ffffffa6 RBX: ff1100000d88a3c0 RCX: 1ff4000000055f02
[   61.847475][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88a47c
[   61.847704][   T38] RBP: ff1100000ff4c000 R08: 1fe2200001b11491 R09: ff11000001da2ea8
[   61.847926][   T38] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   61.848165][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.848402][   T38] FS:  0000000000000000(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   61.848664][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.848860][   T38] CR2: 00007fa8dc8c11a0 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   61.849164][   T38] PKRU: 55555554
[   61.849349][   T38] Call Trace:
[   61.849544][   T38]  <TASK>
[   61.849693][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.849923][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.850169][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.850322][   T38]  netif_state_change (net/core/dev.c:1605)
[   61.850493][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   61.850697][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   61.850865][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   61.851034][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.851217][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   61.851385][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   61.851559][   T38]  process_one_work (kernel/workqueue.c:3314)
[   61.851734][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.851903][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.852075][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.852260][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.852428][   T38]  kthread (kernel/kthread.c:436)
[   61.852571][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.852770][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.852938][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.853113][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.853324][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.853493][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.853666][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.855857][   T38] ------------[ cut here ]------------
| [   61.855992][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/38
| [   61.856257][   T38] Modules linked in:
| [   61.856637][   T38] Tainted: [W]=WARN
[   61.856727][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.856878][   T38] Workqueue: events_unbound linkwatch_event
[   61.857032][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.857193][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.857633][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   61.857783][   T38] RAX: 00000000ffffffa6 RBX: ff1100000d88b700 RCX: 1ff4000000055f02
[   61.857964][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88b7bc
[   61.858158][   T38] RBP: ff1100000fe3c000 R08: 1fe2200001b116f9 R09: ff11000001da2ea8
[   61.858342][   T38] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   61.858516][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.858702][   T38] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   61.858912][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.859062][   T38] CR2: 000000000b1c0988 CR3: 0000000077f4d005 CR4: 0000000000771ef0
[   61.859247][   T38] PKRU: 55555554
[   61.859337][   T38] Call Trace:
[   61.859425][   T38]  <TASK>
[   61.859488][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.859613][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.859732][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.859823][   T38]  netif_state_change (net/core/dev.c:1605)
[   61.859947][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   61.860095][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   61.860217][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   61.860339][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.860463][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   61.860587][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   61.860707][   T38]  process_one_work (kernel/workqueue.c:3314)
[   61.860833][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.860957][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.861079][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.861211][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.861331][   T38]  kthread (kernel/kthread.c:436)
[   61.861421][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.861577][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.861699][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.861818][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.861966][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.862086][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.862212][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   67.216860][ T1076] ------------[ cut here ]------------
| [   67.217041][ T1076] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1076
| [   67.217309][ T1076] Modules linked in:
| [   67.217680][ T1076] Tainted: [W]=WARN
[   67.217778][ T1076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.217940][ T1076] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.218108][ T1076] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.218579][ T1076] RSP: 0018:ffa0000002ab7060 EFLAGS: 00010286
[   67.218742][ T1076] RAX: 00000000ffffffa6 RBX: ff1100000c5f8740 RCX: 1ff4000000556dd2
[   67.218932][ T1076] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f87fc
[   67.219128][ T1076] RBP: ff1100000629c000 R08: 1fe22000018bf101 R09: ff11000008e35158
[   67.219323][ T1076] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   67.219516][ T1076] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   67.219715][ T1076] FS:  00007f8fd1d26840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   67.219942][ T1076] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.220101][ T1076] CR2: 000000000ec21988 CR3: 0000000010742004 CR4: 0000000000771ef0
[   67.220302][ T1076] PKRU: 55555554
[   67.220400][ T1076] Call Trace:
[   67.220498][ T1076]  <TASK>
[   67.220573][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.220755][ T1076]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   67.220944][ T1076]  notifier_call_chain (kernel/notifier.c:85)
[   67.221084][ T1076]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   67.221222][ T1076]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   67.221349][ T1076]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.221481][ T1076]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.221621][ T1076]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   67.221752][ T1076]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.221880][ T1076]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.222041][ T1076]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.222174][ T1076]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.222302][ T1076]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.222431][ T1076]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.222568][ T1076]  ? __kernel_text_address (kernel/extable.c:79)
[   67.222698][ T1076]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.222827][ T1076]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.222957][ T1076]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.223086][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.223238][ T1076]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.223374][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.223500][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.223632][ T1076]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.223760][ T1076]  ? __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)
[   67.223888][ T1076]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.224016][ T1076]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.224154][ T1076]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.224281][ T1076]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.224413][ T1076]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.224550][ T1076]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.224680][ T1076]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.224807][ T1076]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.224947][ T1076]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.225074][ T1076]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.225208][ T1076]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.225395][ T1076]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.225592][ T1076]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.225786][ T1076]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.225983][ T1076]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.226188][ T1076]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.226325][ T1076]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.226453][ T1076]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.226588][ T1076]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.226716][ T1076]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.226847][ T1076]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.226976][ T1076]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.227109][ T1076]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.227246][ T1076]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.227374][ T1076]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.227505][ T1076]  ? 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))
[   67.227637][ T1076]  ? 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))
[   67.227767][ T1076]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.227897][ T1076]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.228025][ T1076]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.228161][ T1076]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.228290][ T1076]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.228418][ T1076]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.228553][ T1076]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.228683][ T1076]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.228812][ T1076]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.228969][ T1076]  ? move_addr_to_kernel (net/socket.c:258)
[   67.229099][ T1076]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.229235][ T1076]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.229364][ T1076]  ___sys_sendmsg (net/socket.c:2752)
[   67.229489][ T1076]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.229651][ T1076]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.229791][ T1076]  __sys_sendmsg (net/socket.c:2784)
[   67.229918][ T1076]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.230046][ T1076]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.230213][ T1076]  ? 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)
[   67.230344][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.230474][ T1076]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.230609][ T1076]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.230739][ T1076]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.230870][ T1076]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.231028][ T1076] RIP: 0033:0x7f8fd1f6008e
[   67.231171][ T1076] 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
[   67.231636][ T1076] RSP: 002b:00007ffc9e77bd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.231828][ T1076] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8fd1f6008e
[   67.232019][ T1076] RDX: 0000000000000000 RSI: 00007ffc9e77bde0 RDI: 0000000000000005
[   67.232215][ T1076] RBP: 00007ffc9e77bd40 R08: 0000000000000000 R09: 0000000000000000
[   67.232406][ T1076] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33b
[   67.232603][ T1076] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9e77c4a0
| [   67.234571][ T1076] ------------[ cut here ]------------
| [   67.234703][ T1076] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1076
| [   67.234956][ T1076] Modules linked in:
| [   67.235521][ T1076] Tainted: [W]=WARN
[   67.235626][ T1076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.235791][ T1076] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.235959][ T1076] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.236425][ T1076] RSP: 0018:ffa0000002ab7038 EFLAGS: 00010286
[   67.236591][ T1076] RAX: 00000000ffffffa6 RBX: ff1100000c5f9e00 RCX: 1ff4000000556dcd
[   67.236781][ T1076] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f9ebc
[   67.236971][ T1076] RBP: ff1100000629c000 R08: 1fe22000018bf3d9 R09: ff11000008e35158
[   67.237168][ T1076] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   67.237359][ T1076] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   67.237556][ T1076] FS:  00007f8fd1d26840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   67.237781][ T1076] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.237943][ T1076] CR2: 000000000ec21988 CR3: 0000000010742004 CR4: 0000000000771ef0
[   67.238144][ T1076] PKRU: 55555554
[   67.238241][ T1076] Call Trace:
[   67.238337][ T1076]  <TASK>
[   67.238403][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.238534][ T1076]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   67.238670][ T1076]  notifier_call_chain (kernel/notifier.c:85)
[   67.238802][ T1076]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   67.238934][ T1076]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   67.239101][ T1076]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.239242][ T1076]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   67.239378][ T1076]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.239506][ T1076]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.239672][ T1076]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.239801][ T1076]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.239930][ T1076]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.240058][ T1076]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.240194][ T1076]  ? __kernel_text_address (kernel/extable.c:79)
[   67.240326][ T1076]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.240457][ T1076]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.240680][ T1076]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.240810][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.240939][ T1076]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.241068][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.241204][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.241335][ T1076]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.241465][ T1076]  ? __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)
[   67.241608][ T1076]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.241820][ T1076]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.241951][ T1076]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.242079][ T1076]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.242216][ T1076]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.242432][ T1076]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.242569][ T1076]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.242698][ T1076]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.242828][ T1076]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.243040][ T1076]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.243173][ T1076]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.243304][ T1076]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.243434][ T1076]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.243652][ T1076]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.243783][ T1076]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.243912][ T1076]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.244044][ T1076]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.244263][ T1076]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.244391][ T1076]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.244522][ T1076]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.244660][ T1076]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.244872][ T1076]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.245004][ T1076]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.245140][ T1076]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.245273][ T1076]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.245490][ T1076]  ? 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))
[   67.245623][ T1076]  ? 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))
[   67.245754][ T1076]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.245882][ T1076]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.246097][ T1076]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.246231][ T1076]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.246362][ T1076]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.246494][ T1076]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.246717][ T1076]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.246846][ T1076]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.246975][ T1076]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.247139][ T1076]  ? move_addr_to_kernel (net/socket.c:258)
[   67.247270][ T1076]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.247397][ T1076]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.247529][ T1076]  ___sys_sendmsg (net/socket.c:2752)
[   67.247663][ T1076]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.247907][ T1076]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.248045][ T1076]  __sys_sendmsg (net/socket.c:2784)
[   67.248179][ T1076]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.248392][ T1076]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.248560][ T1076]  ? 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)
[   67.248690][ T1076]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.248821][ T1076]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.249034][ T1076]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.249169][ T1076]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.249298][ T1076]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.249459][ T1076] RIP: 0033:0x7f8fd1f6008e
[   67.249687][ T1076] 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
[   67.250158][ T1076] RSP: 002b:00007ffc9e77bd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.250351][ T1076] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8fd1f6008e
[   67.250550][ T1076] RDX: 0000000000000000 RSI: 00007ffc9e77bde0 RDI: 0000000000000005
[   67.250829][ T1076] RBP: 00007ffc9e77bd40 R08: 0000000000000000 R09: 0000000000000000
[   67.251020][ T1076] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33b
[   67.251217][ T1076] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9e77c4a0
| [   67.393805][ T1082] ------------[ cut here ]------------
| [   67.394036][ T1082] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1082
| [   67.394353][ T1082] Modules linked in:
| [   67.394820][ T1082] Tainted: [W]=WARN
[   67.394965][ T1082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.395189][ T1082] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.395405][ T1082] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.395912][ T1082] RSP: 0018:ffa0000002ab7060 EFLAGS: 00010286
[   67.396135][ T1082] RAX: 00000000ffffffa6 RBX: ff1100000c5f98c0 RCX: 1ff4000000556dd2
[   67.396374][ T1082] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f997c
[   67.396620][ T1082] RBP: ff1100000629c000 R08: 1fe22000018bf331 R09: ff11000004edd158
[   67.396857][ T1082] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   67.397094][ T1082] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   67.397348][ T1082] FS:  00007fa472fa1840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   67.397623][ T1082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.397832][ T1082] CR2: 00007fa4732711a0 CR3: 000000000e7bb002 CR4: 0000000000771ef0
[   67.398091][ T1082] PKRU: 55555554
[   67.398248][ T1082] Call Trace:
[   67.398392][ T1082]  <TASK>
[   67.398505][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.398688][ T1082]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   67.398866][ T1082]  notifier_call_chain (kernel/notifier.c:85)
[   67.399047][ T1082]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   67.399233][ T1082]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   67.399407][ T1082]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.399595][ T1082]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.399776][ T1082]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   67.399956][ T1082]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.400146][ T1082]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.400355][ T1082]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.400534][ T1082]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.400725][ T1082]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.400900][ T1082]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.401082][ T1082]  ? __kernel_text_address (kernel/extable.c:79)
[   67.401269][ T1082]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.401448][ T1082]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.401630][ T1082]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.401807][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.401985][ T1082]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.402174][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.402350][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.402526][ T1082]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.402711][ T1082]  ? __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)
[   67.402887][ T1082]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.403064][ T1082]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.403253][ T1082]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.403430][ T1082]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.403618][ T1082]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.403797][ T1082]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.403974][ T1082]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.404161][ T1082]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.404339][ T1082]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.404513][ T1082]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.404730][ T1082]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.404913][ T1082]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.405088][ T1082]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.405279][ T1082]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.405457][ T1082]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.405644][ T1082]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.405819][ T1082]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.405995][ T1082]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.406185][ T1082]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.406360][ T1082]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.406538][ T1082]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.406723][ T1082]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.406899][ T1082]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.407076][ T1082]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.407265][ T1082]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.407445][ T1082]  ? 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))
[   67.407629][ T1082]  ? 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))
[   67.407808][ T1082]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.407987][ T1082]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.408182][ T1082]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.408363][ T1082]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.408549][ T1082]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.408728][ T1082]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.408908][ T1082]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.409087][ T1082]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.409274][ T1082]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.409481][ T1082]  ? move_addr_to_kernel (net/socket.c:258)
[   67.409668][ T1082]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.409845][ T1082]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.410021][ T1082]  ___sys_sendmsg (net/socket.c:2752)
[   67.410209][ T1082]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.410418][ T1082]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.410614][ T1082]  __sys_sendmsg (net/socket.c:2784)
[   67.410790][ T1082]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.410966][ T1082]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.411190][ T1082]  ? 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)
[   67.411367][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.411552][ T1082]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.411730][ T1082]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.411905][ T1082]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.412083][ T1082]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.412304][ T1082] RIP: 0033:0x7fa4731db08e
[   67.412492][ T1082] 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
[   67.412998][ T1082] RSP: 002b:00007ffc9ab0bb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.413251][ T1082] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa4731db08e
[   67.413493][ T1082] RDX: 0000000000000000 RSI: 00007ffc9ab0bc00 RDI: 0000000000000005
[   67.413744][ T1082] RBP: 00007ffc9ab0bb60 R08: 0000000000000000 R09: 0000000000000000
[   67.413982][ T1082] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33b
[   67.414229][ T1082] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9ab0c2c0
| [   67.416912][ T1082] ------------[ cut here ]------------
| [   67.417182][ T1082] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1082
| [   67.417574][ T1082] Modules linked in:
| [   67.418030][ T1082] Tainted: [W]=WARN
[   67.418288][ T1082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.418585][ T1082] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.418882][ T1082] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.419511][ T1082] RSP: 0018:ffa0000002ab7038 EFLAGS: 00010286
[   67.419802][ T1082] RAX: 00000000ffffffa6 RBX: ff1100000d068e40 RCX: 1ff4000000556dcd
[   67.420090][ T1082] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d068efc
[   67.420396][ T1082] RBP: ff1100000629c000 R08: 1fe2200001a0d1e1 R09: ff11000004edd158
[   67.420697][ T1082] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   67.420982][ T1082] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   67.421231][ T1082] FS:  00007fa472fa1840(0000) GS:ff110000addc7000(0000) knlGS:0000000000000000
[   67.421504][ T1082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.421718][ T1082] CR2: 00007fa4732711a0 CR3: 000000000e7bb002 CR4: 0000000000771ef0
[   67.421955][ T1082] PKRU: 55555554
[   67.422098][ T1082] Call Trace:
[   67.422256][ T1082]  <TASK>
[   67.422401][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.422586][ T1082]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   67.422769][ T1082]  notifier_call_chain (kernel/notifier.c:85)
[   67.422947][ T1082]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   67.423138][ T1082]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   67.423345][ T1082]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.423523][ T1082]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   67.423712][ T1082]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.423888][ T1082]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.424098][ T1082]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.424288][ T1082]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.424463][ T1082]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.424647][ T1082]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.424823][ T1082]  ? __kernel_text_address (kernel/extable.c:79)
[   67.424999][ T1082]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.425190][ T1082]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.425368][ T1082]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.425551][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.425730][ T1082]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.425904][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.426080][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.426264][ T1082]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.426457][ T1082]  ? __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)
[   67.426644][ T1082]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.426824][ T1082]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.427000][ T1082]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.427188][ T1082]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.427367][ T1082]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.427552][ T1082]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.427730][ T1082]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.427902][ T1082]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.428082][ T1082]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.428265][ T1082]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.428442][ T1082]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.428626][ T1082]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.428800][ T1082]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.428977][ T1082]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.429168][ T1082]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.429349][ T1082]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.429527][ T1082]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.429715][ T1082]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.429890][ T1082]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.430068][ T1082]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.430260][ T1082]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.430433][ T1082]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.430623][ T1082]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.430801][ T1082]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.430979][ T1082]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.431172][ T1082]  ? 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))
[   67.431346][ T1082]  ? 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))
[   67.431524][ T1082]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.431710][ T1082]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.431884][ T1082]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.432061][ T1082]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.432254][ T1082]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.432434][ T1082]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.432621][ T1082]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.432799][ T1082]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.432972][ T1082]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.433193][ T1082]  ? move_addr_to_kernel (net/socket.c:258)
[   67.433370][ T1082]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.433554][ T1082]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.433733][ T1082]  ___sys_sendmsg (net/socket.c:2752)
[   67.433907][ T1082]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.434112][ T1082]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.434312][ T1082]  __sys_sendmsg (net/socket.c:2784)
[   67.434488][ T1082]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.434673][ T1082]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.434886][ T1082]  ? 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)
[   67.435063][ T1082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.435253][ T1082]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.435428][ T1082]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.435614][ T1082]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.435791][ T1082]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.435996][ T1082] RIP: 0033:0x7fa4731db08e
[   67.436193][ T1082] 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
[   67.436706][ T1082] RSP: 002b:00007ffc9ab0bb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.436946][ T1082] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa4731db08e
[   67.437202][ T1082] RDX: 0000000000000000 RSI: 00007ffc9ab0bc00 RDI: 0000000000000005
[   67.437439][ T1082] RBP: 00007ffc9ab0bb60 R08: 0000000000000000 R09: 0000000000000000
[   67.437681][ T1082] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33b
[   67.437918][ T1082] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9ab0c2c0
| [   68.373773][ T1129] ------------[ cut here ]------------
| [   68.373948][ T1129] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1129
| [   68.374217][ T1129] Modules linked in:
| [   68.374593][ T1129] Tainted: [W]=WARN
[   68.374691][ T1129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.374855][ T1129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.375023][ T1129] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.375485][ T1129] RSP: 0018:ffa0000002b97060 EFLAGS: 00010286
[   68.375653][ T1129] RAX: 00000000ffffffa6 RBX: ff1100000e774040 RCX: 1ff4000000572dd2
[   68.375848][ T1129] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7740fc
[   68.376040][ T1129] RBP: ff1100000629c000 R08: 1fe2200001cee821 R09: ff11000004fad158
[   68.376885][ T1129] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   68.377080][ T1129] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   68.377285][ T1129] FS:  00007f0fc00dc840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   68.377509][ T1129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.377684][ T1129] CR2: 0000000024e13988 CR3: 000000001078d002 CR4: 0000000000771ef0
[   68.377877][ T1129] PKRU: 55555554
[   68.377975][ T1129] Call Trace:
[   68.378070][ T1129]  <TASK>
[   68.378143][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.378276][ T1129]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   68.378405][ T1129]  notifier_call_chain (kernel/notifier.c:85)
[   68.378536][ T1129]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   68.378674][ T1129]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   68.378802][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.378932][ T1129]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.379065][ T1129]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   68.379203][ T1129]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.379330][ T1129]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.379489][ T1129]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.379624][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.379752][ T1129]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.379879][ T1129]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.380009][ T1129]  ? __kernel_text_address (kernel/extable.c:79)
[   68.380142][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.380273][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.380400][ T1129]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.380530][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.380665][ T1129]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.380792][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.380918][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.381047][ T1129]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.381181][ T1129]  ? __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)
[   68.381310][ T1129]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.381439][ T1129]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.381578][ T1129]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.381706][ T1129]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.381837][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.381969][ T1129]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.382098][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.382231][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.382359][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.382489][ T1129]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.382621][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.382752][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.382880][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.383007][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.383140][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.383271][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.383401][ T1129]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.383531][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.383666][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.383794][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.383924][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.384051][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.384185][ T1129]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.384313][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.384442][ T1129]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.384580][ T1129]  ? 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))
[   68.384716][ T1129]  ? 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))
[   68.384846][ T1129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.384977][ T1129]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.385105][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.385240][ T1129]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.385370][ T1129]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.385500][ T1129]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.385639][ T1129]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.385768][ T1129]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.385898][ T1129]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.386057][ T1129]  ? move_addr_to_kernel (net/socket.c:258)
[   68.386190][ T1129]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.386319][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.386448][ T1129]  ___sys_sendmsg (net/socket.c:2752)
[   68.386580][ T1129]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.386740][ T1129]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.386879][ T1129]  __sys_sendmsg (net/socket.c:2784)
[   68.387008][ T1129]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.387140][ T1129]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.387303][ T1129]  ? 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)
[   68.387431][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.387567][ T1129]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.387699][ T1129]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.387827][ T1129]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.387957][ T1129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.388121][ T1129] RIP: 0033:0x7f0fc031608e
[   68.388258][ T1129] 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
[   68.388722][ T1129] RSP: 002b:00007ffcb5f9af40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.388916][ T1129] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0fc031608e
[   68.389110][ T1129] RDX: 0000000000000000 RSI: 00007ffcb5f9aff0 RDI: 0000000000000005
[   68.389306][ T1129] RBP: 00007ffcb5f9af50 R08: 0000000000000000 R09: 0000000000000000
[   68.389498][ T1129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33c
[   68.389697][ T1129] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb5f9b6b0
| [   68.400136][ T1129] ------------[ cut here ]------------
| [   68.400277][ T1129] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1129
| [   68.400530][ T1129] Modules linked in:
| [   68.400896][ T1129] Tainted: [W]=WARN
[   68.400993][ T1129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.401160][ T1129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.401329][ T1129] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.401786][ T1129] RSP: 0018:ffa0000002b97038 EFLAGS: 00010286
[   68.401947][ T1129] RAX: 00000000ffffffa6 RBX: ff1100000e775000 RCX: 1ff4000000572dcd
[   68.402185][ T1129] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7750bc
[   68.402376][ T1129] RBP: ff1100000629c000 R08: 1fe2200001ceea19 R09: ff11000004fad158
[   68.402573][ T1129] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   68.402765][ T1129] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   68.402957][ T1129] FS:  00007f0fc00dc840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   68.403186][ T1129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.403345][ T1129] CR2: 0000000024e13988 CR3: 000000001078d002 CR4: 0000000000771ef0
[   68.403536][ T1129] PKRU: 55555554
[   68.403638][ T1129] Call Trace:
[   68.403733][ T1129]  <TASK>
[   68.403799][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.403933][ T1129]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   68.404061][ T1129]  notifier_call_chain (kernel/notifier.c:85)
[   68.404195][ T1129]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   68.404326][ T1129]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   68.404487][ T1129]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.404623][ T1129]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   68.404753][ T1129]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.404882][ T1129]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.405045][ T1129]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.405178][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.405307][ T1129]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.405433][ T1129]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.405568][ T1129]  ? __kernel_text_address (kernel/extable.c:79)
[   68.405697][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.405828][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.405956][ T1129]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.406084][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.406216][ T1129]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.406344][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.406470][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.406604][ T1129]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.406733][ T1129]  ? __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)
[   68.406864][ T1129]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.406991][ T1129]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.407127][ T1129]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.407256][ T1129]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.407387][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.407518][ T1129]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.407654][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.407780][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.407910][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.408038][ T1129]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.408169][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.408298][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.408427][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.408559][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.408688][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.408818][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.408947][ T1129]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.409076][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.409208][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.409337][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.409466][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.409603][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.409732][ T1129]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.409863][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.409991][ T1129]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.410129][ T1129]  ? 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))
[   68.410257][ T1129]  ? 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))
[   68.410390][ T1129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.410520][ T1129]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.410652][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.410783][ T1129]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.410913][ T1129]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.411044][ T1129]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.411179][ T1129]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.411308][ T1129]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.411435][ T1129]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.411599][ T1129]  ? move_addr_to_kernel (net/socket.c:258)
[   68.411728][ T1129]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.411858][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.411989][ T1129]  ___sys_sendmsg (net/socket.c:2752)
[   68.412121][ T1129]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.412281][ T1129]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.412420][ T1129]  __sys_sendmsg (net/socket.c:2784)
[   68.412553][ T1129]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.412681][ T1129]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.412843][ T1129]  ? 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)
[   68.412971][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.413099][ T1129]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.413232][ T1129]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.413362][ T1129]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.413490][ T1129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.413655][ T1129] RIP: 0033:0x7f0fc031608e
[   68.413791][ T1129] 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
[   68.414255][ T1129] RSP: 002b:00007ffcb5f9af40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.414448][ T1129] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0fc031608e
[   68.414647][ T1129] RDX: 0000000000000000 RSI: 00007ffcb5f9aff0 RDI: 0000000000000005
[   68.414841][ T1129] RBP: 00007ffcb5f9af50 R08: 0000000000000000 R09: 0000000000000000
[   68.415032][ T1129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33c
[   68.415226][ T1129] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb5f9b6b0
| [   68.534716][ T1135] ------------[ cut here ]------------
| [   68.534896][ T1135] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1135
| [   68.535171][ T1135] Modules linked in:
| [   68.535540][ T1135] Tainted: [W]=WARN
[   68.535644][ T1135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.535806][ T1135] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.535977][ T1135] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.536451][ T1135] RSP: 0018:ffa0000002bd7060 EFLAGS: 00010286
[   68.536620][ T1135] RAX: 00000000ffffffa6 RBX: ff1100000df4c040 RCX: 1ff400000057add2
[   68.536812][ T1135] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df4c0fc
[   68.537005][ T1135] RBP: ff1100000629c000 R08: 1fe2200001be9821 R09: ff11000009bcae58
[   68.537207][ T1135] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   68.537400][ T1135] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   68.537600][ T1135] FS:  00007fc142151840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   68.537826][ T1135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.537989][ T1135] CR2: 00007fc1424211a0 CR3: 0000000010904003 CR4: 0000000000771ef0
[   68.538194][ T1135] PKRU: 55555554
[   68.538293][ T1135] Call Trace:
[   68.538390][ T1135]  <TASK>
[   68.538458][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.538595][ T1135]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   68.538726][ T1135]  notifier_call_chain (kernel/notifier.c:85)
[   68.538860][ T1135]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   68.538991][ T1135]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   68.539130][ T1135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.539262][ T1135]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.539395][ T1135]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   68.539526][ T1135]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.539663][ T1135]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.539824][ T1135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.539955][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.540085][ T1135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.540221][ T1135]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.540351][ T1135]  ? __kernel_text_address (kernel/extable.c:79)
[   68.540480][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.540619][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.540749][ T1135]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.540882][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.541013][ T1135]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.541150][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.541279][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.541410][ T1135]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.541541][ T1135]  ? __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)
[   68.541692][ T1135]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.541822][ T1135]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.541952][ T1135]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.542144][ T1135]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.542342][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.542543][ T1135]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.542741][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.542874][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.543007][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.543162][ T1135]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.543293][ T1135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.543429][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.543561][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.543691][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.543821][ T1135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.543951][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.544081][ T1135]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.544219][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.544350][ T1135]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.544481][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.544619][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.544747][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.544876][ T1135]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.545007][ T1135]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.545143][ T1135]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.545275][ T1135]  ? 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))
[   68.545405][ T1135]  ? 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))
[   68.545536][ T1135]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.545673][ T1135]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.545804][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.545935][ T1135]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.546067][ T1135]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.546204][ T1135]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.546338][ T1135]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.546468][ T1135]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.546604][ T1135]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.546765][ T1135]  ? move_addr_to_kernel (net/socket.c:258)
[   68.546896][ T1135]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.547025][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.547160][ T1135]  ___sys_sendmsg (net/socket.c:2752)
[   68.547292][ T1135]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.547452][ T1135]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.547601][ T1135]  __sys_sendmsg (net/socket.c:2784)
[   68.547729][ T1135]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.547858][ T1135]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.548020][ T1135]  ? 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)
[   68.548156][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.548288][ T1135]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.548416][ T1135]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.548549][ T1135]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.548679][ T1135]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.548843][ T1135] RIP: 0033:0x7fc14238b08e
[   68.548984][ T1135] 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
[   68.549449][ T1135] RSP: 002b:00007ffc6f6f27a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.549650][ T1135] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc14238b08e
[   68.549842][ T1135] RDX: 0000000000000000 RSI: 00007ffc6f6f2850 RDI: 0000000000000005
[   68.550034][ T1135] RBP: 00007ffc6f6f27b0 R08: 0000000000000000 R09: 0000000000000000
[   68.550234][ T1135] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33c
[   68.550429][ T1135] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6f6f2f10
| [   68.552394][ T1135] ------------[ cut here ]------------
| [   68.552525][ T1135] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1135
| [   68.552830][ T1135] Modules linked in:
| [   68.553204][ T1135] Tainted: [W]=WARN
[   68.553302][ T1135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.553462][ T1135] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.553635][ T1135] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.554095][ T1135] RSP: 0018:ffa0000002bd7038 EFLAGS: 00010286
[   68.554378][ T1135] RAX: 00000000ffffffa6 RBX: ff1100000df4c3c0 RCX: 1ff400000057adcd
[   68.554575][ T1135] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df4c47c
[   68.554765][ T1135] RBP: ff1100000629c000 R08: 1fe2200001be9891 R09: ff11000009bcae58
[   68.554955][ T1135] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   68.555153][ T1135] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   68.555345][ T1135] FS:  00007fc142151840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   68.555575][ T1135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.555737][ T1135] CR2: 00007fc1424211a0 CR3: 0000000010904003 CR4: 0000000000771ef0
[   68.555929][ T1135] PKRU: 55555554
[   68.556025][ T1135] Call Trace:
[   68.556126][ T1135]  <TASK>
[   68.556192][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.556321][ T1135]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   68.556450][ T1135]  notifier_call_chain (kernel/notifier.c:85)
[   68.556586][ T1135]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   68.556718][ T1135]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   68.556880][ T1135]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.557014][ T1135]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   68.557151][ T1135]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.557280][ T1135]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.557441][ T1135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.557576][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.557707][ T1135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.557834][ T1135]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.557962][ T1135]  ? __kernel_text_address (kernel/extable.c:79)
[   68.558094][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.558228][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.558357][ T1135]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.558487][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.558622][ T1135]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.558750][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.558878][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.559004][ T1135]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.559150][ T1135]  ? __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)
[   68.559280][ T1135]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.559408][ T1135]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.559538][ T1135]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.559674][ T1135]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.559804][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.559935][ T1135]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.560067][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.560205][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.560339][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.560467][ T1135]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.560600][ T1135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.560733][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.560860][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.560989][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.561124][ T1135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.561261][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.561390][ T1135]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.561539][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.561718][ T1135]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.561846][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.561976][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.562103][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.562238][ T1135]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.562370][ T1135]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.562500][ T1135]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.562640][ T1135]  ? 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))
[   68.562770][ T1135]  ? 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))
[   68.562899][ T1135]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.563030][ T1135]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.563162][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.563293][ T1135]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.563425][ T1135]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.563648][ T1135]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.563780][ T1135]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.563909][ T1135]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.564037][ T1135]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.564201][ T1135]  ? move_addr_to_kernel (net/socket.c:258)
[   68.564331][ T1135]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.564459][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.564592][ T1135]  ___sys_sendmsg (net/socket.c:2752)
[   68.564803][ T1135]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.564966][ T1135]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.565107][ T1135]  __sys_sendmsg (net/socket.c:2784)
[   68.565242][ T1135]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.565454][ T1135]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.565622][ T1135]  ? 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)
[   68.565751][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.565880][ T1135]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.566094][ T1135]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.566228][ T1135]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.566357][ T1135]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.566604][ T1135] RIP: 0033:0x7fc14238b08e
[   68.566743][ T1135] 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
[   68.567216][ T1135] RSP: 002b:00007ffc6f6f27a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.567411][ T1135] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc14238b08e
[   68.567610][ T1135] RDX: 0000000000000000 RSI: 00007ffc6f6f2850 RDI: 0000000000000005
[   68.567889][ T1135] RBP: 00007ffc6f6f27b0 R08: 0000000000000000 R09: 0000000000000000
[   68.568084][ T1135] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33c
[   68.568372][ T1135] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6f6f2f10
| [   69.533191][ T1182] ------------[ cut here ]------------
| [   69.533426][ T1182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1182
| [   69.533825][ T1182] Modules linked in:
| [   69.534370][ T1182] Tainted: [W]=WARN
[   69.534471][ T1182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.534646][ T1182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.534817][ T1182] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.535291][ T1182] RSP: 0018:ffa0000002bd7060 EFLAGS: 00010286
[   69.535457][ T1182] RAX: 00000000ffffffa6 RBX: ff110000029ba200 RCX: 1ff400000057add2
[   69.535661][ T1182] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029ba2bc
[   69.535855][ T1182] RBP: ff1100000629c000 R08: 1fe2200000537459 R09: ff11000004bd0b58
[   69.536051][ T1182] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   69.536254][ T1182] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   69.536450][ T1182] FS:  00007f6b26a0a840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   69.536687][ T1182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.536854][ T1182] CR2: 00000000130b3988 CR3: 000000000f7ee003 CR4: 0000000000771ef0
[   69.537050][ T1182] PKRU: 55555554
[   69.537157][ T1182] Call Trace:
[   69.537255][ T1182]  <TASK>
[   69.537323][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.537457][ T1182]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   69.537601][ T1182]  notifier_call_chain (kernel/notifier.c:85)
[   69.537737][ T1182]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   69.537871][ T1182]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   69.538002][ T1182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.538142][ T1182]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.538276][ T1182]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   69.538410][ T1182]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.538544][ T1182]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.538715][ T1182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.538845][ T1182]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.538975][ T1182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.539105][ T1182]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.539247][ T1182]  ? __kernel_text_address (kernel/extable.c:79)
[   69.539379][ T1182]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.539510][ T1182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.539646][ T1182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.539779][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.539911][ T1182]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.540041][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.540182][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.540312][ T1182]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.540444][ T1182]  ? __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)
[   69.540581][ T1182]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.540712][ T1182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.540844][ T1182]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.540972][ T1182]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.541106][ T1182]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.541253][ T1182]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.541387][ T1182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.541519][ T1182]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.541655][ T1182]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.541784][ T1182]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.541912][ T1182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.542044][ T1182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.542179][ T1182]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.542308][ T1182]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.542440][ T1182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.542579][ T1182]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.542710][ T1182]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.542841][ T1182]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.542968][ T1182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.543099][ T1182]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.543237][ T1182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.543366][ T1182]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.543498][ T1182]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.543641][ T1182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.543771][ T1182]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.543904][ T1182]  ? 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))
[   69.544035][ T1182]  ? 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))
[   69.544176][ T1182]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.544308][ T1182]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.544441][ T1182]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.544594][ T1182]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.544733][ T1182]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.544865][ T1182]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.544998][ T1182]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.545131][ T1182]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.545263][ T1182]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.545426][ T1182]  ? move_addr_to_kernel (net/socket.c:258)
[   69.545563][ T1182]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.545694][ T1182]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.545825][ T1182]  ___sys_sendmsg (net/socket.c:2752)
[   69.545957][ T1182]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.546126][ T1182]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.546270][ T1182]  __sys_sendmsg (net/socket.c:2784)
[   69.546401][ T1182]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.546533][ T1182]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.546706][ T1182]  ? 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)
[   69.546838][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.546970][ T1182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.547101][ T1182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.547238][ T1182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.547370][ T1182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.547535][ T1182] RIP: 0033:0x7f6b26c4408e
[   69.547694][ T1182] 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
[   69.548172][ T1182] RSP: 002b:00007ffd55326d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.548405][ T1182] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b26c4408e
[   69.548630][ T1182] RDX: 0000000000000000 RSI: 00007ffd55326dd0 RDI: 0000000000000005
[   69.548826][ T1182] RBP: 00007ffd55326d30 R08: 0000000000000000 R09: 0000000000000000
[   69.549031][ T1182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33d
[   69.549231][ T1182] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd55327490
| [   69.551574][ T1182] ------------[ cut here ]------------
| [   69.551709][ T1182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1182
| [   69.551964][ T1182] Modules linked in:
| [   69.552401][ T1182] Tainted: [W]=WARN
[   69.552500][ T1182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.552668][ T1182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.552841][ T1182] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.553362][ T1182] RSP: 0018:ffa0000002bd7038 EFLAGS: 00010286
[   69.553526][ T1182] RAX: 00000000ffffffa6 RBX: ff1100000b6ff540 RCX: 1ff400000057adcd
[   69.553785][ T1182] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6ff5fc
[   69.553981][ T1182] RBP: ff1100000629c000 R08: 1fe22000016dfec1 R09: ff11000004bd0b58
[   69.554232][ T1182] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   69.554425][ T1182] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   69.554630][ T1182] FS:  00007f6b26a0a840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   69.554858][ T1182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.555020][ T1182] CR2: 00000000130b3988 CR3: 000000000f7ee003 CR4: 0000000000771ef0
[   69.555298][ T1182] PKRU: 55555554
[   69.555395][ T1182] Call Trace:
[   69.555491][ T1182]  <TASK>
[   69.555565][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.555696][ T1182]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   69.555828][ T1182]  notifier_call_chain (kernel/notifier.c:85)
[   69.555964][ T1182]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   69.556097][ T1182]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   69.556337][ T1182]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.556473][ T1182]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   69.556612][ T1182]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.556744][ T1182]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.556906][ T1182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.557214][ T1182]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.557345][ T1182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.557474][ T1182]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.557618][ T1182]  ? __kernel_text_address (kernel/extable.c:79)
[   69.557749][ T1182]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.557963][ T1182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.558093][ T1182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.558279][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.558411][ T1182]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.558542][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.558679][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.558811][ T1182]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.559029][ T1182]  ? __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)
[   69.559214][ T1182]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.559344][ T1182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.559477][ T1182]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.559616][ T1182]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.559749][ T1182]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.559967][ T1182]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.560101][ T1182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.560286][ T1182]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.560418][ T1182]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.560556][ T1182]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.560686][ T1182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.560820][ T1182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.561035][ T1182]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.561243][ T1182]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.561374][ T1182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.561508][ T1182]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.561643][ T1182]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.561775][ T1182]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.561993][ T1182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.562151][ T1182]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.562284][ T1182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.562418][ T1182]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.562638][ T1182]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.562769][ T1182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.562899][ T1182]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.563033][ T1182]  ? 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))
[   69.563169][ T1182]  ? 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))
[   69.563302][ T1182]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.563434][ T1182]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.563568][ T1182]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.563785][ T1182]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.563916][ T1182]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.564048][ T1182]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.564187][ T1182]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.564402][ T1182]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.564531][ T1182]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.564704][ T1182]  ? move_addr_to_kernel (net/socket.c:258)
[   69.564839][ T1182]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.565055][ T1182]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.565191][ T1182]  ___sys_sendmsg (net/socket.c:2752)
[   69.565320][ T1182]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.565480][ T1182]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.565712][ T1182]  __sys_sendmsg (net/socket.c:2784)
[   69.565844][ T1182]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.565976][ T1182]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.566145][ T1182]  ? 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)
[   69.566276][ T1182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.566409][ T1182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.566540][ T1182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.566761][ T1182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.566893][ T1182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.567056][ T1182] RIP: 0033:0x7f6b26c4408e
[   69.567198][ T1182] 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
[   69.567762][ T1182] RSP: 002b:00007ffd55326d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.568045][ T1182] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b26c4408e
[   69.568248][ T1182] RDX: 0000000000000000 RSI: 00007ffd55326dd0 RDI: 0000000000000005
[   69.568445][ T1182] RBP: 00007ffd55326d30 R08: 0000000000000000 R09: 0000000000000000
[   69.568729][ T1182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33d
[   69.568923][ T1182] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd55327490
| [   69.704058][ T1188] ------------[ cut here ]------------
| [   69.704231][ T1188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1188
| [   69.704499][ T1188] Modules linked in:
| [   69.704876][ T1188] Tainted: [W]=WARN
[   69.704975][ T1188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.705146][ T1188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.705317][ T1188] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.705788][ T1188] RSP: 0018:ffa0000002c37060 EFLAGS: 00010286
[   69.705952][ T1188] RAX: 00000000ffffffa6 RBX: ff1100000fc8de00 RCX: 1ff4000000586dd2
[   69.706155][ T1188] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc8debc
[   69.706348][ T1188] RBP: ff1100000629c000 R08: 1fe2200001f91bd9 R09: ff1100000f375158
[   69.706541][ T1188] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   69.706740][ T1188] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   69.706934][ T1188] FS:  00007f6167cab840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   69.707165][ T1188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.707330][ T1188] CR2: 000000001223f988 CR3: 0000000002422005 CR4: 0000000000771ef0
[   69.707524][ T1188] PKRU: 55555554
[   69.707628][ T1188] Call Trace:
[   69.707729][ T1188]  <TASK>
[   69.707797][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.707932][ T1188]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   69.708063][ T1188]  notifier_call_chain (kernel/notifier.c:85)
[   69.708206][ T1188]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   69.708339][ T1188]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   69.708468][ T1188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.708609][ T1188]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.708743][ T1188]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   69.708875][ T1188]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.709007][ T1188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.709176][ T1188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.709307][ T1188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.709439][ T1188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.709574][ T1188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.709706][ T1188]  ? __kernel_text_address (kernel/extable.c:79)
[   69.709839][ T1188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.709970][ T1188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.710098][ T1188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.710234][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.710364][ T1188]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.710492][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.710625][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.710755][ T1188]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.710887][ T1188]  ? __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)
[   69.711017][ T1188]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.711153][ T1188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.711286][ T1188]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.711415][ T1188]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.711552][ T1188]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.711689][ T1188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.711823][ T1188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.711951][ T1188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.712081][ T1188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.712219][ T1188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.712345][ T1188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.712479][ T1188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.712613][ T1188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.712741][ T1188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.712871][ T1188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.713002][ T1188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.713135][ T1188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.713264][ T1188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.713394][ T1188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.713522][ T1188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.713658][ T1188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.713786][ T1188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.713915][ T1188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.714046][ T1188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.714184][ T1188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.714317][ T1188]  ? 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))
[   69.714446][ T1188]  ? 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))
[   69.714582][ T1188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.714712][ T1188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.714842][ T1188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.714972][ T1188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.715102][ T1188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.715238][ T1188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.715372][ T1188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.715501][ T1188]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.715636][ T1188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.715794][ T1188]  ? move_addr_to_kernel (net/socket.c:258)
[   69.715924][ T1188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.716052][ T1188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.716189][ T1188]  ___sys_sendmsg (net/socket.c:2752)
[   69.716319][ T1188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.716479][ T1188]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.716626][ T1188]  __sys_sendmsg (net/socket.c:2784)
[   69.716755][ T1188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.716884][ T1188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.717047][ T1188]  ? 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)
[   69.717185][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.717317][ T1188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.717446][ T1188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.717582][ T1188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.717709][ T1188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.717871][ T1188] RIP: 0033:0x7f6167ee508e
[   69.718008][ T1188] 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
[   69.718475][ T1188] RSP: 002b:00007ffca6bea4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.718677][ T1188] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6167ee508e
[   69.718870][ T1188] RDX: 0000000000000000 RSI: 00007ffca6bea560 RDI: 0000000000000005
[   69.719063][ T1188] RBP: 00007ffca6bea4c0 R08: 0000000000000000 R09: 0000000000000000
[   69.719262][ T1188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33d
[   69.719456][ T1188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca6beac20
| [   69.721389][ T1188] ------------[ cut here ]------------
| [   69.721527][ T1188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1188
| [   69.721794][ T1188] Modules linked in:
| [   69.722164][ T1188] Tainted: [W]=WARN
[   69.722261][ T1188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.722427][ T1188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.722598][ T1188] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.723054][ T1188] RSP: 0018:ffa0000002c37038 EFLAGS: 00010286
[   69.723300][ T1188] RAX: 00000000ffffffa6 RBX: ff1100000d3dfc40 RCX: 1ff4000000586dcd
[   69.723494][ T1188] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3dfcfc
[   69.723694][ T1188] RBP: ff1100000629c000 R08: 1fe2200001a7bfa1 R09: ff1100000f375158
[   69.723887][ T1188] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   69.724079][ T1188] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   69.724364][ T1188] FS:  00007f6167cab840(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   69.724669][ T1188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.724830][ T1188] CR2: 000000001223f988 CR3: 0000000002422005 CR4: 0000000000771ef0
[   69.725023][ T1188] PKRU: 55555554
[   69.725175][ T1188] Call Trace:
[   69.725272][ T1188]  <TASK>
[   69.725338][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.725466][ T1188]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   69.725598][ T1188]  notifier_call_chain (kernel/notifier.c:85)
[   69.725728][ T1188]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   69.725857][ T1188]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   69.726020][ T1188]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.726168][ T1188]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   69.726299][ T1188]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.726428][ T1188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.726592][ T1188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.726721][ T1188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.726851][ T1188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.726978][ T1188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.727106][ T1188]  ? __kernel_text_address (kernel/extable.c:79)
[   69.727241][ T1188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.727373][ T1188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.727500][ T1188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.727633][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.727763][ T1188]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.727891][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.728019][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.728154][ T1188]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.728284][ T1188]  ? __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)
[   69.728412][ T1188]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.728540][ T1188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.728675][ T1188]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.728804][ T1188]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.728934][ T1188]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.729066][ T1188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.729208][ T1188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.729335][ T1188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.729462][ T1188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.729594][ T1188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.729721][ T1188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.729853][ T1188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.729980][ T1188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.730108][ T1188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.730242][ T1188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.730371][ T1188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.730500][ T1188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.730634][ T1188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.730765][ T1188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.730891][ T1188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.731019][ T1188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.731153][ T1188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.731281][ T1188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.731412][ T1188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.731541][ T1188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.731680][ T1188]  ? 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))
[   69.731810][ T1188]  ? 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))
[   69.731942][ T1188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.732072][ T1188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.732207][ T1188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.732338][ T1188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.732469][ T1188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.732605][ T1188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.732735][ T1188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.732865][ T1188]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.732992][ T1188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.733162][ T1188]  ? move_addr_to_kernel (net/socket.c:258)
[   69.733293][ T1188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.733421][ T1188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.733554][ T1188]  ___sys_sendmsg (net/socket.c:2752)
[   69.733683][ T1188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.733843][ T1188]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.733983][ T1188]  __sys_sendmsg (net/socket.c:2784)
[   69.734114][ T1188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.734247][ T1188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.734410][ T1188]  ? 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)
[   69.734540][ T1188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.734674][ T1188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.734804][ T1188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.734936][ T1188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.735065][ T1188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.735234][ T1188] RIP: 0033:0x7f6167ee508e
[   69.735369][ T1188] 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
[   69.735834][ T1188] RSP: 002b:00007ffca6bea4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.736028][ T1188] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6167ee508e
[   69.736227][ T1188] RDX: 0000000000000000 RSI: 00007ffca6bea560 RDI: 0000000000000005
[   69.736418][ T1188] RBP: 00007ffca6bea4c0 R08: 0000000000000000 R09: 0000000000000000
[   69.736617][ T1188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33d
[   69.736807][ T1188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca6beac20
| [   70.683826][ T1235] ------------[ cut here ]------------
| [   70.684002][ T1235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1235
| [   70.684275][ T1235] Modules linked in:
| [   70.684650][ T1235] Tainted: [W]=WARN
[   70.684749][ T1235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.684912][ T1235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.685082][ T1235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.685549][ T1235] RSP: 0018:ffa0000002d67060 EFLAGS: 00010286
[   70.685718][ T1235] RAX: 00000000ffffffa6 RBX: ff1100000fc99e00 RCX: 1ff40000005acdd2
[   70.685913][ T1235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc99ebc
[   70.686106][ T1235] RBP: ff1100000629c000 R08: 1fe2200001f933d9 R09: ff11000008e78b58
[   70.686307][ T1235] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   70.686501][ T1235] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   70.686699][ T1235] FS:  00007fc1205e5840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   70.686927][ T1235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.687090][ T1235] CR2: 000000003a058988 CR3: 000000001241b005 CR4: 0000000000771ef0
[   70.687288][ T1235] PKRU: 55555554
[   70.687385][ T1235] Call Trace:
[   70.687482][ T1235]  <TASK>
[   70.687555][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.687690][ T1235]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   70.687819][ T1235]  notifier_call_chain (kernel/notifier.c:85)
[   70.687953][ T1235]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   70.688086][ T1235]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   70.688223][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.688356][ T1235]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.688488][ T1235]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   70.688623][ T1235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.688754][ T1235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.688913][ T1235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.689042][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.689177][ T1235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.689306][ T1235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.689437][ T1235]  ? __kernel_text_address (kernel/extable.c:79)
[   70.689571][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.689703][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.689834][ T1235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.689964][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.690094][ T1235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.690226][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.690355][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.690484][ T1235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.690621][ T1235]  ? __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)
[   70.690750][ T1235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.690879][ T1235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.691008][ T1235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.691140][ T1235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.691273][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.691403][ T1235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.691534][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.691668][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.691796][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.691924][ T1235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.692052][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.692188][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.692315][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.692443][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.692578][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.692709][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.692838][ T1235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.692967][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.693095][ T1235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.693227][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.693357][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.693488][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.693625][ T1235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.693754][ T1235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.693883][ T1235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.694017][ T1235]  ? 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))
[   70.694150][ T1235]  ? 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))
[   70.694280][ T1235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.694412][ T1235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.694541][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.694677][ T1235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.694806][ T1235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.694938][ T1235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.695070][ T1235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.695206][ T1235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.695334][ T1235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.695496][ T1235]  ? move_addr_to_kernel (net/socket.c:258)
[   70.695630][ T1235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.695758][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.695888][ T1235]  ___sys_sendmsg (net/socket.c:2752)
[   70.696016][ T1235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.696181][ T1235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.696321][ T1235]  __sys_sendmsg (net/socket.c:2784)
[   70.696451][ T1235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.696584][ T1235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.696746][ T1235]  ? 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)
[   70.696874][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.697003][ T1235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.697135][ T1235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.697266][ T1235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.697396][ T1235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.697560][ T1235] RIP: 0033:0x7fc12081f08e
[   70.697698][ T1235] 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
[   70.698162][ T1235] RSP: 002b:00007ffed4079aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.698358][ T1235] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc12081f08e
[   70.698554][ T1235] RDX: 0000000000000000 RSI: 00007ffed4079b50 RDI: 0000000000000005
[   70.698747][ T1235] RBP: 00007ffed4079ab0 R08: 0000000000000000 R09: 0000000000000000
[   70.698938][ T1235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33e
[   70.699138][ T1235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed407a210
| [   70.701065][ T1235] ------------[ cut here ]------------
| [   70.701206][ T1235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1235
| [   70.701460][ T1235] Modules linked in:
| [   70.701825][ T1235] Tainted: [W]=WARN
[   70.701923][ T1235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.702087][ T1235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.702957][ T1235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.703429][ T1235] RSP: 0018:ffa0000002d67038 EFLAGS: 00010286
[   70.703598][ T1235] RAX: 00000000ffffffa6 RBX: ff1100000d1b6c80 RCX: 1ff40000005acdcd
[   70.703789][ T1235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1b6d3c
[   70.703981][ T1235] RBP: ff1100000629c000 R08: 1fe2200001a36da9 R09: ff11000008e78b58
[   70.704178][ T1235] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   70.704369][ T1235] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   70.704565][ T1235] FS:  00007fc1205e5840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   70.704794][ T1235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.704954][ T1235] CR2: 000000003a058988 CR3: 000000001241b005 CR4: 0000000000771ef0
[   70.705153][ T1235] PKRU: 55555554
[   70.705249][ T1235] Call Trace:
[   70.705347][ T1235]  <TASK>
[   70.705414][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.705548][ T1235]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   70.705682][ T1235]  notifier_call_chain (kernel/notifier.c:85)
[   70.705814][ T1235]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   70.705946][ T1235]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   70.706108][ T1235]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.706246][ T1235]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   70.706378][ T1235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.706507][ T1235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.706673][ T1235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.706801][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.706931][ T1235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.707059][ T1235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.707193][ T1235]  ? __kernel_text_address (kernel/extable.c:79)
[   70.707325][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.707455][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.707590][ T1235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.707720][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.707849][ T1235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.707978][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.708106][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.708243][ T1235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.708372][ T1235]  ? __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)
[   70.708502][ T1235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.708636][ T1235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.708765][ T1235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.708892][ T1235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.709023][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.709160][ T1235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.709294][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.709421][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.709554][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.709683][ T1235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.709811][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.709942][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.710070][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.710205][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.710334][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.710464][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.710598][ T1235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.710727][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.710854][ T1235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.710983][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.711113][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.711249][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.711378][ T1235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.711508][ T1235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.711642][ T1235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.711774][ T1235]  ? 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))
[   70.711902][ T1235]  ? 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))
[   70.712033][ T1235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.712170][ T1235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.712301][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.712430][ T1235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.712563][ T1235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.712693][ T1235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.712824][ T1235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.712957][ T1235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.713086][ T1235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.713252][ T1235]  ? move_addr_to_kernel (net/socket.c:258)
[   70.713382][ T1235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.713512][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.713649][ T1235]  ___sys_sendmsg (net/socket.c:2752)
[   70.713778][ T1235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.713941][ T1235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.714083][ T1235]  __sys_sendmsg (net/socket.c:2784)
[   70.714220][ T1235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.714349][ T1235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.714512][ T1235]  ? 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)
[   70.714644][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.714773][ T1235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.714902][ T1235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.715031][ T1235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.715168][ T1235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.715332][ T1235] RIP: 0033:0x7fc12081f08e
[   70.715468][ T1235] 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
[   70.715934][ T1235] RSP: 002b:00007ffed4079aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.716138][ T1235] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc12081f08e
[   70.716331][ T1235] RDX: 0000000000000000 RSI: 00007ffed4079b50 RDI: 0000000000000005
[   70.716524][ T1235] RBP: 00007ffed4079ab0 R08: 0000000000000000 R09: 0000000000000000
[   70.716721][ T1235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33e
[   70.716917][ T1235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed407a210
| [   70.858016][ T1241] ------------[ cut here ]------------
| [   70.858544][ T1241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1241
| [   70.858832][ T1241] Modules linked in:
| [   70.859401][ T1241] Tainted: [W]=WARN
[   70.859558][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.859812][ T1241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.860076][ T1241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.860679][ T1241] RSP: 0018:ffa0000002da7060 EFLAGS: 00010286
[   70.860843][ T1241] RAX: 00000000ffffffa6 RBX: ff1100000c5f8900 RCX: 1ff40000005b4dd2
[   70.861035][ T1241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f89bc
[   70.861235][ T1241] RBP: ff1100000629c000 R08: 1fe22000018bf139 R09: ff110000105dd158
[   70.861426][ T1241] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   70.861623][ T1241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   70.861820][ T1241] FS:  00007f9d6b962840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   70.862048][ T1241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.862215][ T1241] CR2: 00007f9d6bc321a0 CR3: 000000000f756002 CR4: 0000000000771ef0
[   70.862410][ T1241] PKRU: 55555554
[   70.862506][ T1241] Call Trace:
[   70.862611][ T1241]  <TASK>
[   70.862679][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.862810][ T1241]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   70.862940][ T1241]  notifier_call_chain (kernel/notifier.c:85)
[   70.863072][ T1241]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   70.863207][ T1241]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   70.863338][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.863468][ T1241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.863610][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   70.863742][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.863873][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.864033][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.864165][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.864293][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.864420][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.864565][ T1241]  ? __kernel_text_address (kernel/extable.c:79)
[   70.864695][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.864824][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.864952][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.865080][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.865213][ T1241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.865342][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.865469][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.865608][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.865736][ T1241]  ? __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)
[   70.865870][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.865999][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.866132][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.866260][ T1241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.866391][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.866525][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.866661][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.866787][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.866916][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.867046][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.867190][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.867321][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.867449][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.867586][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.867716][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.867846][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.867977][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.868105][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.868239][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.868366][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.868496][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.868630][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.868760][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.868889][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.869018][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.869156][ T1241]  ? 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))
[   70.869283][ T1241]  ? 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))
[   70.869414][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.869546][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.869681][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.869815][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.869945][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.870075][ T1241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.870212][ T1241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.870341][ T1241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.870470][ T1241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.870638][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   70.870769][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.870898][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.871027][ T1241]  ___sys_sendmsg (net/socket.c:2752)
[   70.871161][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.871322][ T1241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.871465][ T1241]  __sys_sendmsg (net/socket.c:2784)
[   70.871599][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.871728][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.871891][ T1241]  ? 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)
[   70.872020][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.872156][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.872286][ T1241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.872416][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.872546][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.872714][ T1241] RIP: 0033:0x7f9d6bb9c08e
[   70.872853][ T1241] 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
[   70.873320][ T1241] RSP: 002b:00007ffe5ce68f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.873517][ T1241] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9d6bb9c08e
[   70.873715][ T1241] RDX: 0000000000000000 RSI: 00007ffe5ce69000 RDI: 0000000000000005
[   70.873909][ T1241] RBP: 00007ffe5ce68f60 R08: 0000000000000000 R09: 0000000000000000
[   70.874103][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33f
[   70.874302][ T1241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5ce696c0
| [   70.876252][ T1241] ------------[ cut here ]------------
| [   70.876382][ T1241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1241
| [   70.876638][ T1241] Modules linked in:
| [   70.877000][ T1241] Tainted: [W]=WARN
[   70.877098][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.877273][ T1241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.877441][ T1241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.877905][ T1241] RSP: 0018:ffa0000002da7038 EFLAGS: 00010286
[   70.878068][ T1241] RAX: 00000000ffffffa6 RBX: ff1100000c5f9e00 RCX: 1ff40000005b4dcd
[   70.878786][ T1241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f9ebc
[   70.878996][ T1241] RBP: ff1100000629c000 R08: 1fe22000018bf3d9 R09: ff110000105dd158
[   70.879242][ T1241] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   70.879434][ T1241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   70.879632][ T1241] FS:  00007f9d6b962840(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   70.879855][ T1241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.880017][ T1241] CR2: 00007f9d6bc321a0 CR3: 000000000f756002 CR4: 0000000000771ef0
[   70.880267][ T1241] PKRU: 55555554
[   70.880367][ T1241] Call Trace:
[   70.880463][ T1241]  <TASK>
[   70.880530][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.880668][ T1241]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   70.880797][ T1241]  notifier_call_chain (kernel/notifier.c:85)
[   70.880983][ T1241]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   70.881172][ T1241]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   70.881331][ T1241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.881462][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   70.881598][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.881728][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.881886][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.882013][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.882198][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.882326][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.882455][ T1241]  ? __kernel_text_address (kernel/extable.c:79)
[   70.882590][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.882721][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.882848][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.882978][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.883107][ T1241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.883291][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.883419][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.883547][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.883686][ T1241]  ? __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)
[   70.883839][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.884030][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.884329][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.884528][ T1241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.884739][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.884944][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.885200][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.885330][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.885459][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.885594][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.885723][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.885853][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.885979][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.886109][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.886295][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.886427][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.886561][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.886690][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.886821][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.886949][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.887079][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.887267][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.887395][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.887522][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.887657][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.887790][ T1241]  ? 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))
[   70.887917][ T1241]  ? 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))
[   70.888047][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.888235][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.888364][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.888493][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.888629][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.888758][ T1241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.888888][ T1241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.889018][ T1241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.889204][ T1241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.889365][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   70.889492][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.889626][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.889755][ T1241]  ___sys_sendmsg (net/socket.c:2752)
[   70.889883][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.890044][ T1241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.890240][ T1241]  __sys_sendmsg (net/socket.c:2784)
[   70.890372][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.890502][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.890672][ T1241]  ? 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)
[   70.890800][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.890929][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.891058][ T1241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.891243][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.891374][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.891533][ T1241] RIP: 0033:0x7f9d6bb9c08e
[   70.891677][ T1241] 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
[   70.892197][ T1241] RSP: 002b:00007ffe5ce68f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.892391][ T1241] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9d6bb9c08e
[   70.892591][ T1241] RDX: 0000000000000000 RSI: 00007ffe5ce69000 RDI: 0000000000000005
[   70.892783][ T1241] RBP: 00007ffe5ce68f60 R08: 0000000000000000 R09: 0000000000000000
[   70.892976][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e33f
[   70.893224][ T1241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5ce696c0
| [   71.049611][   T67] ------------[ cut here ]------------
| [   71.049830][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   71.050099][   T67] Modules linked in:
| [   71.050491][   T67] Tainted: [W]=WARN
[   71.050625][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.050812][   T67] Workqueue: netns cleanup_net
[   71.050937][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.051090][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.051598][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.051799][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f0d9e00 RCX: 1ff4000000090eed
[   71.051982][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0d9ebc
[   71.052174][   T67] RBP: ff11000006294000 R08: 1fe2200001e1b3d9 R09: ff110000091a8bd0
[   71.052356][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.052537][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.052719][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   71.052932][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.053086][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162005 CR4: 0000000000771ef0
[   71.053274][   T67] PKRU: 55555554
[   71.053369][   T67] Call Trace:
[   71.053456][   T67]  <TASK>
[   71.053519][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.053679][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.053826][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.053991][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.054113][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.054241][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.054358][   T67]  ? 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)
[   71.054479][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.054603][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.054722][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.054840][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.054959][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.055078][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.055204][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.055320][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.055438][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.055562][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.055683][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.055806][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.055922][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.056044][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.056170][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.056287][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.056405][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.056522][   T67]  kthread (kernel/kthread.c:436)
[   71.056617][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.056763][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.056880][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.056999][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.057150][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.057270][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.057388][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.059657][   T67] ------------[ cut here ]------------
| [   71.059798][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   71.060031][   T67] Modules linked in:
| [   71.060405][   T67] Tainted: [W]=WARN
[   71.060496][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.060651][   T67] Workqueue: netns cleanup_net
[   71.060774][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.060930][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.061353][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.061501][   T67] RAX: 00000000ffffffa6 RBX: ff1100000e6a1a80 RCX: 1ff4000000090eed
[   71.061690][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6a1b3c
[   71.061864][   T67] RBP: ff1100000a881000 R08: 1fe2200001cd4369 R09: ff110000091a8bd0
[   71.062037][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.062216][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.062393][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   71.062619][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.062765][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162005 CR4: 0000000000771ef0
[   71.062940][   T67] PKRU: 55555554
[   71.063028][   T67] Call Trace:
[   71.063122][   T67]  <TASK>
[   71.063184][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.063341][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.063486][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.063610][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.063730][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.063847][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.063969][   T67]  ? 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)
[   71.064091][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.064215][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.064336][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.064457][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.064582][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.064702][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.064819][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.064940][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.065060][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.065185][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.065304][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.065425][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.065541][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.065668][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.065786][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.065903][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.066021][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.066145][   T67]  kthread (kernel/kthread.c:436)
[   71.066232][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.066383][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.066501][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.066624][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.066770][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.066889][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.067013][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.069227][   T67] ------------[ cut here ]------------
| [   71.069352][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   71.069589][   T67] Modules linked in:
| [   71.069951][   T67] Tainted: [W]=WARN
[   71.070039][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.070191][   T67] Workqueue: netns cleanup_net
[   71.070314][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.070468][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.070914][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.071065][   T67] RAX: 00000000ffffffa6 RBX: ff1100000e6a0580 RCX: 1ff4000000090eed
[   71.071245][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6a063c
[   71.071446][   T67] RBP: ff110000102ac000 R08: 1fe2200001cd40c9 R09: ff110000091a8bd0
[   71.071690][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.071865][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.072043][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   71.072257][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.072459][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162005 CR4: 0000000000771ef0
[   71.072671][   T67] PKRU: 55555554
[   71.072760][   T67] Call Trace:
[   71.072854][   T67]  <TASK>
[   71.072916][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.073067][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.073240][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.073413][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.073570][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.073695][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.073814][   T67]  ? 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)
[   71.073935][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.074054][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.074181][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.074300][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.074418][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.074539][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.074665][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.074782][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.074900][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.075019][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.075146][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.075271][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.075388][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.075560][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.075689][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.075811][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.075931][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.076049][   T67]  kthread (kernel/kthread.c:436)
[   71.076147][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.076300][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.076418][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.076540][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.076693][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.076814][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.077009][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.079509][   T67] ------------[ cut here ]------------
| [   71.079636][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   71.079941][   T67] Modules linked in:
| [   71.080454][   T67] Tainted: [W]=WARN
[   71.080545][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.080698][   T67] Workqueue: netns cleanup_net
[   71.080821][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.080974][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.081399][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.081550][   T67] RAX: 00000000ffffffa6 RBX: ff1100000e6a18c0 RCX: 1ff4000000090eed
[   71.081732][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6a197c
[   71.081906][   T67] RBP: ff11000005111000 R08: 1fe2200001cd4331 R09: ff110000091a8bd0
[   71.082161][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.082337][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.082519][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   71.082728][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.082875][   T67] CR2: 000055d19c51fd5c CR3: 0000000010162005 CR4: 0000000000771ef0
[   71.083051][   T67] PKRU: 55555554
[   71.083219][   T67] Call Trace:
[   71.083306][   T67]  <TASK>
[   71.083367][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.083517][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.083670][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.083787][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.083907][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.084025][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.084149][   T67]  ? 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)
[   71.084268][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.084386][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.084504][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.084695][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.084815][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.084936][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.085055][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.085179][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.085297][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.085413][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.085532][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.085658][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.085779][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.085903][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.086021][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.086144][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.086265][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.086381][   T67]  kthread (kernel/kthread.c:436)
[   71.086470][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.086623][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.086742][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.086862][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.087007][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.087133][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.087253][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.089654][   T67] ------------[ cut here ]------------
| [   71.089774][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/67
| [   71.090004][   T67] Modules linked in:
| [   71.091180][   T67] Tainted: [W]=WARN
[   71.091284][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.091432][   T67] Workqueue: netns cleanup_net
[   71.091562][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.091715][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.092189][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.092339][   T67] RAX: 00000000ffffffa6 RBX: ff1100000e6a1380 RCX: 1ff4000000090eed
[   71.092515][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6a143c
[   71.092743][   T67] RBP: ff1100000fc41000 R08: 1fe2200001cd4289 R09: ff110000091a8bd0
[   71.092916][   T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.093094][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.093318][   T67] FS:  0000000000000000(0000) GS:ff110000adcc7000(0000) knlGS:0000000000000000
[   71.093527][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.093681][   T67] CR2: 000055d19c51fd5c CR3: 0000000077f4d006 CR4: 0000000000771ef0
[   71.093857][   T67] PKRU: 55555554
[   71.093944][   T67] Call Trace:
[   71.094033][   T67]  <TASK>
[   71.094095][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.094294][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.094440][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.094567][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.094686][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.094803][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.094922][   T67]  ? 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)
[   71.095041][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.095207][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.095328][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.095446][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.095568][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.095687][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.095806][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.095923][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.096047][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.096212][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.096331][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.096453][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.096581][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.096709][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.096835][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.097005][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.097231][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.097354][   T67]  kthread (kernel/kthread.c:436)
[   71.097447][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.097603][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.097721][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.097841][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.097998][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.098208][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.098328][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.117686][   T67] ------------[ cut here ]------------
| [   71.117830][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.118075][   T67] Modules linked in:
| [   71.118462][   T67] Tainted: [W]=WARN
[   71.118563][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.118730][   T67] Workqueue: netns cleanup_net
[   71.118863][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.119023][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.119471][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   71.119638][   T67] RAX: 00000000ffffffa6 RBX: ff1100000e6a11c0 RCX: 1ff4000000090eaf
[   71.119823][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6a127c
[   71.120007][   T67] RBP: ff11000009c29000 R08: 1fe2200001cd4251 R09: ff110000091a8bd0
[   71.120194][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   71.120378][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000629c000
[   71.120574][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.120792][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.120947][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.121193][   T67] PKRU: 55555554
[   71.121287][   T67] Call Trace:
[   71.121381][   T67]  <TASK>
[   71.121446][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.121629][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.121724][   T67]  netif_close_many (net/core/dev.c:1804)
[   71.121848][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.121969][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.122091][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.122279][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   71.122404][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.122565][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.122721][   T67]  ? 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)
[   71.122845][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.122998][   T67]  ? 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)
[   71.123172][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.123295][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.123449][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.123583][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.123708][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.123835][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.123962][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.124086][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.124272][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.124396][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.124519][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.124651][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.124777][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.124901][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.125022][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.125200][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.125322][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.125448][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.125581][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.125705][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.125833][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.125956][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.126080][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.126267][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.126390][   T67]  kthread (kernel/kthread.c:436)
[   71.126488][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.126654][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.126787][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.126917][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.127073][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.127249][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.127376][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.129861][   T67] ------------[ cut here ]------------
| [   71.129990][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.130246][   T67] Modules linked in:
| [   71.130632][   T67] Tainted: [W]=WARN
[   71.130727][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.130887][   T67] Workqueue: netns cleanup_net
[   71.131017][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.131184][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.131629][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   71.131786][   T67] RAX: 00000000ffffffa6 RBX: ff11000010940580 RCX: 1ff4000000090eaf
[   71.131972][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001094063c
[   71.132161][   T67] RBP: ff1100000629c000 R08: 1fe22000021280c9 R09: ff110000091a8bd0
[   71.132351][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   71.132536][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000079ec000
[   71.132729][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.132945][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.133106][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.133301][   T67] PKRU: 55555554
[   71.133392][   T67] Call Trace:
[   71.133488][   T67]  <TASK>
[   71.133557][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.133683][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.133809][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.133905][   T67]  netif_close_many (net/core/dev.c:1804)
[   71.134030][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.134161][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.134286][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.134410][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   71.134533][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.134695][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.134852][   T67]  ? 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)
[   71.134977][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.135139][   T67]  ? 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)
[   71.135262][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.135385][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.135538][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.135670][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.135796][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.135918][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.136044][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.136181][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.136305][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.136430][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.136559][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.136684][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.136809][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.136933][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.137058][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.137189][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.137312][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.137437][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.137570][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.137691][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.137817][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.137942][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.138066][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.138196][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.138320][   T67]  kthread (kernel/kthread.c:436)
[   71.138413][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.138573][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.138699][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.138824][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.138978][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.139103][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.139232][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.150209][   T67] ------------[ cut here ]------------
| [   71.150343][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.150590][   T67] Modules linked in:
| [   71.150979][   T67] Tainted: [W]=WARN
[   71.151073][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.151232][   T67] Workqueue: netns cleanup_net
[   71.151361][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.151522][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.151978][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   71.152141][   T67] RAX: 00000000ffffffa6 RBX: ff1100000979c900 RCX: 1ff4000000090eaf
[   71.152327][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979c9bc
[   71.152511][   T67] RBP: ff110000079ec000 R08: 1fe22000012f3939 R09: ff110000091a8bd0
[   71.152703][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   71.152889][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   71.153076][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.153570][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.153734][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.153930][   T67] PKRU: 55555554
[   71.154023][   T67] Call Trace:
[   71.154122][   T67]  <TASK>
[   71.154187][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.154317][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.154445][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.154543][   T67]  netif_close_many (net/core/dev.c:1804)
[   71.154678][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.154801][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.154924][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.155048][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   71.155184][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.155341][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.155496][   T67]  ? 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)
[   71.155626][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.155780][   T67]  ? 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)
[   71.155903][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.156026][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.156188][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.156314][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.156440][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.156568][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.156692][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.156818][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.156942][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.157066][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.157193][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.157320][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.157446][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.157574][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.157696][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.157821][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.157945][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.158070][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.158203][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.158329][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.158455][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.158589][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.158714][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.158839][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.158965][   T67]  kthread (kernel/kthread.c:436)
[   71.159060][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.159225][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.159351][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.159477][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.159636][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.159763][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.159887][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.162151][   T67] ------------[ cut here ]------------
| [   71.162272][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.162505][   T67] Modules linked in:
| [   71.162873][   T67] Tainted: [W]=WARN
[   71.162963][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.163112][   T67] Workqueue: netns cleanup_net
[   71.163659][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.163817][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.164246][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   71.164394][   T67] RAX: 00000000ffffffa6 RBX: ff1100000dd43700 RCX: 1ff4000000090ed5
[   71.164576][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd437bc
[   71.164754][   T67] RBP: ff11000009c29000 R08: 1fe2200001ba86f9 R09: ff110000091a8bd0
[   71.164932][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.165109][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.165294][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.165505][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.165658][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.165842][   T67] PKRU: 55555554
[   71.165931][   T67] Call Trace:
[   71.166019][   T67]  <TASK>
[   71.166081][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.166243][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.166390][   T67]  ? 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)
[   71.166515][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.166639][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.166791][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.166917][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.167038][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.167164][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.167289][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.167410][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.167532][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.167657][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.167780][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.167901][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.168022][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.168149][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.168273][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.168391][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.168513][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.168645][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.168765][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.168891][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.169015][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.169139][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.169262][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.169384][   T67]  kthread (kernel/kthread.c:436)
[   71.169480][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.169636][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.169755][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.169878][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.170029][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.170156][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.170276][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.172702][   T67] ------------[ cut here ]------------
| [   71.172827][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.173063][   T67] Modules linked in:
| [   71.173433][   T67] Tainted: [W]=WARN
[   71.173525][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.173680][   T67] Workqueue: netns cleanup_net
[   71.173804][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.173958][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.174397][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   71.174547][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d0691c0 RCX: 1ff4000000090ed5
[   71.174730][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d06927c
[   71.174907][   T67] RBP: ff1100000629c000 R08: 1fe2200001a0d251 R09: ff110000091a8bd0
[   71.175088][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.175271][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.175466][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.175683][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.175834][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.176015][   T67] PKRU: 55555554
[   71.176104][   T67] Call Trace:
[   71.176198][   T67]  <TASK>
[   71.176261][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.176414][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.176566][   T67]  ? 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)
[   71.176688][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.176808][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.176966][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.177086][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.177214][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.177334][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.177455][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.177579][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.177700][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.177821][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.177940][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.178065][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.178190][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.178309][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.178430][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.178549][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.178676][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.178798][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.178920][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.179044][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.179244][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.179363][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.179482][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.179605][   T67]  kthread (kernel/kthread.c:436)
[   71.179696][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.179918][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.180036][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.180165][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.180320][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.180442][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.180565][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.183883][   T67] ------------[ cut here ]------------
| [   71.184007][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.184252][   T67] Modules linked in:
| [   71.184690][   T67] Tainted: [W]=WARN
[   71.184779][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.185001][   T67] Workqueue: netns cleanup_net
[   71.185132][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.185286][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.185791][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   71.185940][   T67] RAX: 00000000ffffffa6 RBX: ff1100000b6fe900 RCX: 1ff4000000090ed5
[   71.186200][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6fe9bc
[   71.186375][   T67] RBP: ff110000079ec000 R08: 1fe22000016dfd39 R09: ff110000091a8bd0
[   71.186550][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.186806][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.186984][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.187271][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.187419][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.187600][   T67] PKRU: 55555554
[   71.187688][   T67] Call Trace:
[   71.187849][   T67]  <TASK>
[   71.187913][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.188064][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.188214][   T67]  ? 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)
[   71.188404][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.188522][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.188682][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.188801][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.188992][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.189120][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.189241][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.189359][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.189550][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.189672][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.189790][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.189909][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.190030][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.190155][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.190276][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.190394][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.190514][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.190641][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.190761][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.190887][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.191007][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.191129][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.191250][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.191368][   T67]  kthread (kernel/kthread.c:436)
[   71.191457][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.191612][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.191731][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.191855][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.192003][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.192126][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.192246][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.231923][   T67] ------------[ cut here ]------------
| [   71.232060][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.232640][   T67] Modules linked in:
| [   71.233008][   T67] Tainted: [W]=WARN
[   71.233097][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.233248][   T67] Workqueue: netns cleanup_net
[   71.233374][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.233538][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.233967][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.234123][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de07380 RCX: 1ff4000000090eed
[   71.234307][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de0743c
[   71.234481][   T67] RBP: ff11000010104000 R08: 1fe2200001bc0e89 R09: ff110000091a8bd0
[   71.234662][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.234837][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.235016][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.235230][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.235380][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.235562][   T67] PKRU: 55555554
[   71.235651][   T67] Call Trace:
[   71.235739][   T67]  <TASK>
[   71.235803][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.235954][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.236101][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.236224][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.236343][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.236465][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.236590][   T67]  ? 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)
[   71.236715][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.236834][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.236952][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.237072][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.237201][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.237326][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.237448][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.237568][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.237689][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.237805][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.237925][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.238045][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.238167][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.238289][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.238408][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.238525][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.238650][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.238766][   T67]  kthread (kernel/kthread.c:436)
[   71.238856][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.239002][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.239125][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.239244][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.239391][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.239509][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.239631][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.241856][   T67] ------------[ cut here ]------------
| [   71.241975][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.242227][   T67] Modules linked in:
| [   71.242597][   T67] Tainted: [W]=WARN
[   71.242685][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.242832][   T67] Workqueue: netns cleanup_net
[   71.242954][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.243106][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.243527][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.243680][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de06900 RCX: 1ff4000000090eed
[   71.243856][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de069bc
[   71.244030][   T67] RBP: ff11000002834000 R08: 1fe2200001bc0d39 R09: ff110000091a8bd0
[   71.244210][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.244385][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.244569][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.244775][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.244925][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.245104][   T67] PKRU: 55555554
[   71.245197][   T67] Call Trace:
[   71.245284][   T67]  <TASK>
[   71.245345][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.245497][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.245652][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.245770][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.245890][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.246009][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.246135][   T67]  ? 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)
[   71.246254][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.246379][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.246496][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.246623][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.246742][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.246860][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.246978][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.247099][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.247234][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.247355][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.247474][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.247604][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.247721][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.247843][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.247963][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.248080][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.248207][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.248324][   T67]  kthread (kernel/kthread.c:436)
[   71.248415][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.248567][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.248686][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.248805][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.248952][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.249071][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.249195][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.251408][   T67] ------------[ cut here ]------------
| [   71.251526][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.251769][   T67] Modules linked in:
| [   71.252616][   T67] Tainted: [W]=WARN
[   71.252707][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.252856][   T67] Workqueue: netns cleanup_net
[   71.252979][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.253185][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.253605][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.253757][   T67] RAX: 00000000ffffffa6 RBX: ff1100000de06c80 RCX: 1ff4000000090eed
[   71.253935][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de06d3c
[   71.254110][   T67] RBP: ff110000101a4000 R08: 1fe2200001bc0da9 R09: ff110000091a8bd0
[   71.254334][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.254511][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.254695][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.254946][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.255094][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.255327][   T67] PKRU: 55555554
[   71.255415][   T67] Call Trace:
[   71.255507][   T67]  <TASK>
[   71.255573][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.255724][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.255871][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.255989][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.256110][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.256281][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.256400][   T67]  ? 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)
[   71.256521][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.256645][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.256762][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.256879][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.256997][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.257163][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.257284][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.257410][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.257529][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.257654][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.257773][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.257895][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.258012][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.258179][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.258298][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.258414][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.258534][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.258656][   T67]  kthread (kernel/kthread.c:436)
[   71.258744][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.258889][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.259005][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.259170][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.259317][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.259437][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.259561][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.261760][   T67] ------------[ cut here ]------------
| [   71.261891][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   71.262131][   T67] Modules linked in:
| [   71.262492][   T67] Tainted: [W]=WARN
[   71.262587][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.262739][   T67] Workqueue: netns cleanup_net
[   71.262862][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.263014][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.263443][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.263596][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d88ac80 RCX: 1ff4000000090eed
[   71.263770][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88ad3c
[   71.263949][   T67] RBP: ff110000094b1000 R08: 1fe2200001b115a9 R09: ff110000091a8bd0
[   71.264134][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.264313][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.264487][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   71.264693][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.264842][   T67] CR2: 00007ffe8f110658 CR3: 0000000010162001 CR4: 0000000000771ef0
[   71.265020][   T67] PKRU: 55555554
[   71.265109][   T67] Call Trace:
[   71.265205][   T67]  <TASK>
[   71.265267][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.265416][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.265572][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.265693][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.265812][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.265930][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.266052][   T67]  ? 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)
[   71.266178][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.266296][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.266415][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.266533][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.266654][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.266772][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.266890][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.267005][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.267130][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.267246][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.267364][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.267490][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.267613][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.267734][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.267853][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.267969][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.268086][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.268209][   T67]  kthread (kernel/kthread.c:436)
[   71.268299][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.268444][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.268567][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.268685][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.268832][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.268950][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.269071][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.271075][   T67] ------------[ cut here ]------------
| [   71.271200][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   71.271435][   T67] Modules linked in:
| [   71.271790][   T67] Tainted: [W]=WARN
[   71.271879][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.272025][   T67] Workqueue: netns cleanup_net
[   71.272153][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.272305][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.272734][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.272880][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d88ae40 RCX: 1ff4000000090eed
[   71.273052][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88aefc
[   71.273232][   T67] RBP: ff1100000e741000 R08: 1fe2200001b115e1 R09: ff110000091a8bd0
[   71.273405][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.273581][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.273756][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   71.273959][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.274106][   T67] CR2: 00007ffe8f110658 CR3: 0000000010162001 CR4: 0000000000771ef0
[   71.274291][   T67] PKRU: 55555554
[   71.274379][   T67] Call Trace:
[   71.274465][   T67]  <TASK>
[   71.274527][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.274680][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.274823][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.274944][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.275067][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.275187][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.275304][   T67]  ? 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)
[   71.275425][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.275543][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.275668][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.275785][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.275904][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.276022][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.276145][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.276262][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.276381][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.276497][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.276626][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.276745][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.276862][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.276982][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.277104][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.277227][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.277345][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.277463][   T67]  kthread (kernel/kthread.c:436)
[   71.277551][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.277703][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.277822][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.277939][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.278091][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.278213][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.278332][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.292707][   T67] ------------[ cut here ]------------
| [   71.292849][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   71.293092][   T67] Modules linked in:
| [   71.293477][   T67] Tainted: [W]=WARN
[   71.293579][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.293736][   T67] Workqueue: netns cleanup_net
[   71.293864][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.294024][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.294470][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   71.294630][   T67] RAX: 00000000ffffffa6 RBX: ff110000053f0580 RCX: 1ff4000000090eaf
[   71.294815][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053f063c
[   71.294999][   T67] RBP: ff1100000fe3c000 R08: 1fe2200000a7e0c9 R09: ff110000091a8bd0
[   71.295192][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   71.295378][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff4c000
[   71.295569][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   71.295787][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.295943][   T67] CR2: 000055d1a154d8b0 CR3: 0000000010162001 CR4: 0000000000771ef0
[   71.296132][   T67] PKRU: 55555554
[   71.296224][   T67] Call Trace:
[   71.296316][   T67]  <TASK>
[   71.296381][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.296507][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.296605][   T67]  netif_close_many (net/core/dev.c:1804)
[   71.296732][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.296856][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.296985][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.297107][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   71.297243][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.297397][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.297556][   T67]  ? 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)
[   71.297681][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.297834][   T67]  ? 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)
[   71.297958][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.298083][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.298252][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.298380][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.298509][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.298641][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.298768][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.298893][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.299061][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.299270][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.299397][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.299521][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.299653][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.299777][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.299898][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.300026][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.300187][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.300313][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.300439][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.300566][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.300693][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.300818][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.300951][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.301076][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.301207][   T67]  kthread (kernel/kthread.c:436)
[   71.301303][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.301459][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.301591][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.301717][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.301871][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.301994][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.302125][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.304824][   T67] ------------[ cut here ]------------
| [   71.304961][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.305219][   T67] Modules linked in:
| [   71.305606][   T67] Tainted: [W]=WARN
[   71.305702][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.305858][   T67] Workqueue: netns cleanup_net
[   71.305989][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.306158][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.306612][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   71.306768][   T67] RAX: 00000000ffffffa6 RBX: ff1100000f671c40 RCX: 1ff4000000090eaf
[   71.306953][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f671cfc
[   71.307147][   T67] RBP: ff1100000ff4c000 R08: 1fe2200001ece3a1 R09: ff110000091a8bd0
[   71.307334][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   71.307521][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005119000
[   71.307715][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.307935][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.308091][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.308285][   T67] PKRU: 55555554
[   71.308381][   T67] Call Trace:
[   71.308479][   T67]  <TASK>
[   71.308546][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.308678][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.308807][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.308902][   T67]  netif_close_many (net/core/dev.c:1804)
[   71.309029][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.309159][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.309288][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.309412][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   71.309538][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.309702][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.309863][   T67]  ? 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)
[   71.309987][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.310151][   T67]  ? 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)
[   71.310276][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.310401][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.310562][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.310691][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.310816][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.310942][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.311080][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.311213][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.311340][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.311462][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.311591][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.311717][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.311848][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.311975][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.312099][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.312231][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.312357][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.312482][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.312616][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.312741][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.312873][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.312999][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.313129][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.313257][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.313380][   T67]  kthread (kernel/kthread.c:436)
[   71.313473][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.313631][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.313758][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.313882][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.314037][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.314164][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.314290][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.316661][   T67] ------------[ cut here ]------------
| [   71.316786][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.317028][   T67] Modules linked in:
| [   71.317416][   T67] Tainted: [W]=WARN
[   71.317510][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.317671][   T67] Workqueue: netns cleanup_net
[   71.317800][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.317961][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.318418][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   71.318582][   T67] RAX: 00000000ffffffa6 RBX: ff1100000a094900 RCX: 1ff4000000090eaf
[   71.318777][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0949bc
[   71.318964][   T67] RBP: ff11000005119000 R08: 1fe2200001412939 R09: ff110000091a8bd0
[   71.319159][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   71.319344][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   71.319531][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.319752][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.319909][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.320096][   T67] PKRU: 55555554
[   71.320194][   T67] Call Trace:
[   71.320288][   T67]  <TASK>
[   71.320352][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.320476][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.320609][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.320705][   T67]  netif_close_many (net/core/dev.c:1804)
[   71.320829][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.320962][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.321091][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.321220][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   71.321348][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.321505][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.321666][   T67]  ? 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)
[   71.321793][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.321954][   T67]  ? 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)
[   71.322083][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.322212][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.322367][   T67]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.322494][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.322624][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.322750][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.322878][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.323013][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.323146][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.323272][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.323401][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.323524][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.323655][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.323780][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.323903][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.324029][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.324158][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.324286][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.324415][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.324541][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.324675][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.324800][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.324923][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.325049][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.325179][   T67]  kthread (kernel/kthread.c:436)
[   71.325276][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.325430][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.325562][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.325689][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.325844][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.325969][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.326095][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.328291][   T67] ------------[ cut here ]------------
| [   71.328410][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.328650][   T67] Modules linked in:
| [   71.329089][   T67] Tainted: [W]=WARN
[   71.329185][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.329334][   T67] Workqueue: netns cleanup_net
[   71.329459][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.329618][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.330050][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   71.330207][   T67] RAX: 00000000ffffffa6 RBX: ff110000029bb1c0 RCX: 1ff4000000090ed5
[   71.330385][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029bb27c
[   71.330569][   T67] RBP: ff1100000fe3c000 R08: 1fe2200000537651 R09: ff110000091a8bd0
[   71.330759][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.330951][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.331135][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.331349][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.331498][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.331683][   T67] PKRU: 55555554
[   71.331773][   T67] Call Trace:
[   71.331862][   T67]  <TASK>
[   71.331926][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.332079][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.332236][   T67]  ? 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)
[   71.332356][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.332476][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.332633][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.332757][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.332878][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.333000][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.333131][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.333252][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.333372][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.333491][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.333622][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.333744][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.333865][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.333987][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.334107][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.334233][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.334354][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.334478][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.334601][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.334724][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.334847][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.334968][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.335088][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.335214][   T67]  kthread (kernel/kthread.c:436)
[   71.335303][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.335451][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.335575][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.335695][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.335845][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.335965][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.336085][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.347399][   T67] ------------[ cut here ]------------
| [   71.347521][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.347760][   T67] Modules linked in:
| [   71.348128][   T67] Tainted: [W]=WARN
[   71.348219][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.348369][   T67] Workqueue: netns cleanup_net
[   71.348497][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.348655][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.349078][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   71.349233][   T67] RAX: 00000000ffffffa6 RBX: ff110000029bae40 RCX: 1ff4000000090ed5
[   71.349410][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029baefc
[   71.349593][   T67] RBP: ff1100000ff4c000 R08: 1fe22000005375e1 R09: ff110000091a8bd0
[   71.349770][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.349948][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.350131][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.350340][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.350489][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.350673][   T67] PKRU: 55555554
[   71.350763][   T67] Call Trace:
[   71.350853][   T67]  <TASK>
[   71.350915][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.351068][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.351228][   T67]  ? 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)
[   71.351352][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.351472][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.351640][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.351761][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.351883][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.352003][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.352128][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.352250][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.352370][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.352489][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.352613][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.352741][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.352861][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.352980][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.353101][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.353225][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.353347][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.353470][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.353594][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.353723][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.353844][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.353962][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.354083][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.354210][   T67]  kthread (kernel/kthread.c:436)
[   71.354300][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.354450][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.354575][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.354702][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.354851][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.354971][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.355095][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.357964][   T67] ------------[ cut here ]------------
| [   71.358089][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.358584][   T67] Modules linked in:
| [   71.358956][   T67] Tainted: [W]=WARN
[   71.359048][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.359254][   T67] Workqueue: netns cleanup_net
[   71.359379][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.359534][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.359964][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   71.360115][   T67] RAX: 00000000ffffffa6 RBX: ff11000009aed000 RCX: 1ff4000000090ed5
[   71.360312][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aed0bc
[   71.360491][   T67] RBP: ff11000005119000 R08: 1fe220000135da19 R09: ff110000091a8bd0
[   71.360689][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.360870][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.361050][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.361267][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.361420][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.361625][   T67] PKRU: 55555554
[   71.361715][   T67] Call Trace:
[   71.361808][   T67]  <TASK>
[   71.361871][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.362024][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.362182][   T67]  ? 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)
[   71.362304][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.362424][   T67]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.362586][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.362708][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.362829][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.362954][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.363075][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.363208][   T67]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.363329][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.363453][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.363580][   T67]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.363703][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.363825][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.363944][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.364068][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.364192][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.364314][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.364438][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.364563][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.364688][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.364809][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.364933][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.365055][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.365182][   T67]  kthread (kernel/kthread.c:436)
[   71.365273][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.365422][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.365544][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.365670][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.365820][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.365946][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.366066][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.416265][   T67] ------------[ cut here ]------------
| [   71.416424][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.416665][   T67] Modules linked in:
| [   71.417031][   T67] Tainted: [W]=WARN
[   71.417143][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.417291][   T67] Workqueue: netns cleanup_net
[   71.417417][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.417580][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.418009][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.418166][   T67] RAX: 00000000ffffffa6 RBX: ff11000009aecc80 RCX: 1ff4000000090eed
[   71.418350][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aecd3c
[   71.418529][   T67] RBP: ff11000010a7c000 R08: 1fe220000135d9a9 R09: ff110000091a8bd0
[   71.418710][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.418891][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.419073][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.419298][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.419480][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.419666][   T67] PKRU: 55555554
[   71.419754][   T67] Call Trace:
[   71.419842][   T67]  <TASK>
[   71.419907][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.420064][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.420215][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.420336][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.420461][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.420585][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.420705][   T67]  ? 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)
[   71.420826][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.420946][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.421066][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.421190][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.421307][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.421425][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.421543][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.421669][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.421788][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.421911][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.422032][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.422159][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.422278][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.422401][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.422521][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.422646][   T67]  kthread (kernel/kthread.c:436)
[   71.422735][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.422883][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.423001][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.423126][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.423275][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.423394][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.423513][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.426150][   T67] ------------[ cut here ]------------
| [   71.426292][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.426528][   T67] Modules linked in:
| [   71.426901][   T67] Tainted: [W]=WARN
[   71.426991][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.427150][   T67] Workqueue: netns cleanup_net
[   71.427274][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.427428][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.427855][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.428009][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d0683c0 RCX: 1ff4000000090eed
[   71.428187][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d06847c
[   71.428364][   T67] RBP: ff11000010a59000 R08: 1fe2200001a0d091 R09: ff110000091a8bd0
[   71.428549][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.428731][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.428912][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.429126][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.429273][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.429449][   T67] PKRU: 55555554
[   71.429574][   T67] Call Trace:
[   71.429662][   T67]  <TASK>
[   71.429724][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.429875][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.430026][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.430154][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.430277][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.430392][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.430514][   T67]  ? 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)
[   71.430639][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.430758][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.430874][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.430998][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.431122][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.431238][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.431357][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.431478][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.431605][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.431726][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.431842][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.431965][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.432083][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.432206][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.432332][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.432454][   T67]  kthread (kernel/kthread.c:436)
[   71.432542][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.432695][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.432812][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.432930][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.433074][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.433199][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.433318][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.435533][   T67] ------------[ cut here ]------------
| [   71.435664][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.435894][   T67] Modules linked in:
| [   71.436255][   T67] Tainted: [W]=WARN
[   71.436342][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.436488][   T67] Workqueue: netns cleanup_net
[   71.436617][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.436767][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.437195][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.437373][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d068040 RCX: 1ff4000000090eed
[   71.437589][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0680fc
[   71.437765][   T67] RBP: ff11000004f9c000 R08: 1fe2200001a0d021 R09: ff110000091a8bd0
[   71.437938][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.438114][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.438301][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.438505][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.438655][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.438830][   T67] PKRU: 55555554
[   71.438919][   T67] Call Trace:
[   71.439008][   T67]  <TASK>
[   71.439070][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.439226][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.439369][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.439488][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.439613][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.439730][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.439852][   T67]  ? 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)
[   71.439973][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.440092][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.440214][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.440335][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.440453][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.440573][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.440691][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.440818][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.440936][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.441056][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.441178][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.441298][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.441415][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.441531][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.441653][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.441769][   T67]  kthread (kernel/kthread.c:436)
[   71.441860][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.442006][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.442128][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.442246][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.442393][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.442514][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.442639][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.445028][   T67] ------------[ cut here ]------------
| [   71.445160][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.445393][   T67] Modules linked in:
| [   71.445765][   T67] Tainted: [W]=WARN
[   71.445853][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.445998][   T67] Workqueue: netns cleanup_net
[   71.446127][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.446282][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.446704][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.446851][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d069700 RCX: 1ff4000000090eed
[   71.447028][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0697bc
[   71.447211][   T67] RBP: ff110000109c4000 R08: 1fe2200001a0d2f9 R09: ff110000091a8bd0
[   71.447385][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.447566][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.447749][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.447953][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.448099][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.448279][   T67] PKRU: 55555554
[   71.448370][   T67] Call Trace:
[   71.448459][   T67]  <TASK>
[   71.448521][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.448677][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.448825][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.448943][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.449060][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.449182][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.449299][   T67]  ? 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)
[   71.449419][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.449537][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.449658][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.449777][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.449894][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.450009][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.450130][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.450247][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.450368][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.450489][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.450612][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.450733][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.450850][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.450966][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.451082][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.451207][   T67]  kthread (kernel/kthread.c:436)
[   71.451296][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.451442][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.451563][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.451681][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.451826][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.451943][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.452061][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.454480][   T67] ------------[ cut here ]------------
| [   71.454603][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.454906][   T67] Modules linked in:
| [   71.455338][   T67] Tainted: [W]=WARN
[   71.455429][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.455589][   T67] Workqueue: netns cleanup_net
[   71.455712][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.456017][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.456433][   T67] RSP: 0018:ffa0000000487938 EFLAGS: 00010286
[   71.456658][   T67] RAX: 00000000ffffffa6 RBX: ff110000091bd380 RCX: 1ff4000000090eed
[   71.456832][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bd43c
[   71.457005][   T67] RBP: ff1100000a35c000 R08: 1fe2200001237a89 R09: ff110000091a8bd0
[   71.457254][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.457428][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.457694][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.457899][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.458045][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.458226][   T67] PKRU: 55555554
[   71.458313][   T67] Call Trace:
[   71.458402][   T67]  <TASK>
[   71.458465][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.458621][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.458766][   T67]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.458885][   T67]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.459004][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.459125][   T67]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.459244][   T67]  ? 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)
[   71.459363][   T67]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.459484][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.459606][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.459726][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.459842][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.459959][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.460078][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.460200][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.460321][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.460442][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.460563][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.460685][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.460805][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.460923][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.461042][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.461164][   T67]  kthread (kernel/kthread.c:436)
[   71.461254][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.461401][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.461518][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.461641][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.461786][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.461903][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.462021][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.476070][   T67] ------------[ cut here ]------------
| [   71.476658][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/67
| [   71.476910][   T67] Modules linked in:
| [   71.477352][   T67] Tainted: [W]=WARN
[   71.477445][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.477605][   T67] Workqueue: netns cleanup_net
[   71.477732][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.477891][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.478386][   T67] RSP: 0018:ffa0000000487748 EFLAGS: 00010286
[   71.478616][   T67] RAX: 00000000ffffffa6 RBX: ff110000091bce40 RCX: 1ff4000000090eaf
[   71.478882][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091bcefc
[   71.479243][   T67] RBP: ff110000107ac000 R08: 1fe22000012379e1 R09: ff110000091a8bd0
[   71.479450][   T67] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   71.479640][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004877e0
[   71.479824][   T67] FS:  0000000000000000(0000) GS:ff110000ade47000(0000) knlGS:0000000000000000
[   71.480037][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.480250][   T67] CR2: 00007fb2c34a6000 CR3: 0000000077f4d002 CR4: 0000000000771ef0
[   71.480437][   T67] PKRU: 55555554
[   71.480529][   T67] Call Trace:
[   71.480628][   T67]  <TASK>
[   71.480692][   T67]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.480818][   T67]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.480912][   T67]  netif_close_many (net/core/dev.c:1804)
[   71.481035][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.481209][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.481333][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.481455][   T67]  ? __dev_close_many (net/core/dev.c:1781)
[   71.481586][   T67]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.481739][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.481892][   T67]  ? 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)
[   71.482016][   T67]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.482192][   T67]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   71.482318][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.482471][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.482602][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.482731][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.482853][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.482975][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.483098][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.483280][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.483403][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.483528][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.483656][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.483777][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.483901][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.484023][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.484201][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.484329][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.484451][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.484589][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.484712][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.484834][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.484958][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.485081][   T67]  kthread (kernel/kthread.c:436)
[   71.485229][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.485382][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.485505][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.485634][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.485785][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.485907][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.486030][   T67]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.495663][   T67] ------------[ cut here ]------------
| [   71.495806][   T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/67
| [   71.496054][   T67] Modules linked in:
| [   71.496437][   T67] Tainted: [W]=WARN
[   71.496527][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.496684][   T67] Workqueue: netns cleanup_net
[   71.496809][   T67] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.496963][   T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.497390][   T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[   71.497539][   T67] RAX: 00000000ffffffa6 RBX: ff1100000d88b8c0 RCX: 1ff4000000090ed5
[   71.497758][   T67] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d88b97c
[   71.497934][   T67] RBP: ff110000107ac000 R08: 1fe2200001b11731 R09: ff110000091a8bd0
[   71.498109][   T67] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.498295][   T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.498471][   T67] FS:  0000000000000000(0000) GS:ff110000add47000(0000) knlGS:0000000000000000
[   71.498686][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.498834][   T67] CR2: 000055d1a15508a0 CR3: 0000000010162001 CR4: 0000000000771ef0
[   71.499012][   T67] PKRU: 55555554
[   71.499100][   T67] Call Trace:
[   71.499194][   T67]  <TASK>
[   71.499257][   T67]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.499413][   T67]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.499568][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.499689][   T67]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.499810][   T67]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.499929][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.500047][   T67]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.500176][   T67]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.500297][   T67]  ? netns_install (./include/linux/ns_common.h:26)
[   71.500416][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.500538][   T67]  cleanup_net (net/core/net_namespace.c:702)
[   71.500664][   T67]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.500780][   T67]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.500900][   T67]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.501017][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.501143][   T67]  process_one_work (kernel/workqueue.c:3314)
[   71.501265][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.501383][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.501505][   T67]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.501634][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.501758][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.501877][   T67]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.501996][   T67]  kthread (kernel/kthread.c:436)
[   71.502085][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.502240][   T67]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.502359][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.502480][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.502633][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.502752][   T67]  ? 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:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:dev_change_flags
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:rtmsg_ifinfo:netif_state_change:linkwatch_sync_dev:rtnl_getlink
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_change_name:rtnl_newlink
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: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