======================================
| 0
| xx__-> [    9.936157][  T192] ------------[ cut here ]------------
| [    9.936369][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.936952][  T192] Tainted: [W]=WARN
[    9.937052][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.937230][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.937406][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.937871][  T192] RSP: 0018:ffa0000000877ab0 EFLAGS: 00010286
[    9.938039][  T192] RAX: 00000000ffffffa6 RBX: ff11000008e62040 RCX: 1ff400000010ef1c
[    9.938245][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008e620f8
[    9.938449][  T192] RBP: ff1100000b7ac000 R08: 1fe22000011cc420 R09: ff1100000ccad180
[    9.938657][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.938854][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b7ac000
[    9.939051][  T192] FS:  00007f6507cf3840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[    9.939293][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.939464][  T192] CR2: 0000000000479648 CR3: 000000000b697004 CR4: 0000000000771ef0
[    9.939660][  T192] PKRU: 55555554
[    9.939759][  T192] Call Trace:
[    9.939856][  T192]  <TASK>
[    9.939924][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.940056][  T192]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.940199][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.940298][  T192]  register_netdevice (net/core/dev.c:11488)
[    9.940437][  T192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.940603][  T192]  register_netdev (net/core/dev.c:11552)
[    9.940736][  T192]  loopback_net_init (drivers/net/loopback.c:218)
[    9.940870][  T192]  ops_init (net/core/net_namespace.c:137)
[    9.940973][  T192]  setup_net (net/core/net_namespace.c:446)
[    9.941072][  T192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.941216][  T192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.941348][  T192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.941487][  T192]  copy_net_ns (net/core/net_namespace.c:579)
[    9.941620][  T192]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.941754][  T192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.941886][  T192]  ksys_unshare (kernel/fork.c:3243)
[    9.942016][  T192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.942155][  T192]  ? __ia32_sys_open (fs/open.c:1374)
[    9.942293][  T192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.942430][  T192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.942564][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.942696][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.942830][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.942962][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.943129][  T192] RIP: 0033:0x7f6507fb5bcb
[    9.943273][  T192] 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
[    9.943750][  T192] RSP: 002b:00007fff566b20a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.943948][  T192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6507fb5bcb
[    9.944152][  T192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.944352][  T192] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.944552][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff566b42d0
[    9.944746][  T192] R13: 0000000000000001 R14: 00007f6507cf36f8 R15: 00007fff566b48b7
| [    9.946059][  T192] ---[ end trace 0000000000000000 ]---
| [    9.949251][  T192] ------------[ cut here ]------------
| [    9.949401][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.949892][  T192] Tainted: [W]=WARN
[    9.949993][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.950167][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.950337][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.950802][  T192] RSP: 0018:ffa0000000877a98 EFLAGS: 00010286
[    9.950971][  T192] RAX: 00000000ffffffa6 RBX: ff11000008cd3000 RCX: 1ff400000010ef19
[    9.951176][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cd30b8
[    9.951369][  T192] RBP: ff1100000cf51000 R08: 1fe220000119a618 R09: ff1100000ccad180
[    9.951565][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.951759][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf51000
[    9.951954][  T192] FS:  00007f6507cf3840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[    9.952195][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.952359][  T192] CR2: 0000000000479648 CR3: 000000000b697004 CR4: 0000000000771ef0
[    9.952561][  T192] PKRU: 55555554
[    9.952660][  T192] Call Trace:
[    9.952759][  T192]  <TASK>
[    9.952826][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.952957][  T192]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.953088][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.953196][  T192]  register_netdevice (net/core/dev.c:11488)
[    9.953326][  T192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.953493][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.953625][  T192]  register_netdev (net/core/dev.c:11552)
[    9.953756][  T192]  sit_init_net (net/ipv6/sit.c:1860)
[    9.953888][  T192]  ops_init (net/core/net_namespace.c:137)
[    9.953988][  T192]  setup_net (net/core/net_namespace.c:446)
[    9.954086][  T192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.954225][  T192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.954354][  T192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.954494][  T192]  copy_net_ns (net/core/net_namespace.c:579)
[    9.954625][  T192]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.954758][  T192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.954888][  T192]  ksys_unshare (kernel/fork.c:3243)
[    9.955020][  T192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.955155][  T192]  ? __ia32_sys_open (fs/open.c:1374)
[    9.955292][  T192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.955428][  T192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.955558][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.955687][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.955819][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.955950][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.956112][  T192] RIP: 0033:0x7f6507fb5bcb
[    9.956258][  T192] 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
[    9.956731][  T192] RSP: 002b:00007fff566b20a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.956928][  T192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6507fb5bcb
[    9.957128][  T192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.957330][  T192] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.957530][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff566b42d0
[    9.957725][  T192] R13: 0000000000000001 R14: 00007f6507cf36f8 R15: 00007fff566b48b7
| [    9.959046][  T192] ---[ end trace 0000000000000000 ]---
| [   10.028383][  T196] ------------[ cut here ]------------
| [   10.028641][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   10.029151][  T196] Tainted: [W]=WARN
[   10.029256][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.029427][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.029598][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.030070][  T196] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[   10.030247][  T196] RAX: 00000000ffffffa6 RBX: ff11000008cd2e40 RCX: 1ff4000000108f1c
[   10.030455][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cd2ef8
[   10.030655][  T196] RBP: ff1100000cbcc000 R08: 1fe220000119a5e0 R09: ff11000005058b80
[   10.030850][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.031046][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cbcc000
[   10.031256][  T196] FS:  00007f19575ef840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   10.031492][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.031660][  T196] CR2: 00007f19577f6430 CR3: 000000000b697003 CR4: 0000000000771ef0
[   10.031859][  T196] PKRU: 55555554
[   10.031957][  T196] Call Trace:
[   10.032055][  T196]  <TASK>
[   10.032128][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.032265][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.032402][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.032502][  T196]  register_netdevice (net/core/dev.c:11488)
[   10.032635][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.032801][  T196]  register_netdev (net/core/dev.c:11552)
[   10.032932][  T196]  loopback_net_init (drivers/net/loopback.c:218)
[   10.033066][  T196]  ops_init (net/core/net_namespace.c:137)
[   10.033175][  T196]  setup_net (net/core/net_namespace.c:446)
[   10.033274][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.033408][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.033540][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.033673][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[   10.033804][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.033938][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.034069][  T196]  ksys_unshare (kernel/fork.c:3243)
[   10.034207][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.034340][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[   10.034478][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.034609][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.034741][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.034872][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.035004][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.035139][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.035304][  T196] RIP: 0033:0x7f19578b1bcb
[   10.035447][  T196] 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
[   10.035916][  T196] RSP: 002b:00007ffc3199ced8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.036116][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19578b1bcb
[   10.036322][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.036522][  T196] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.036716][  T196] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc3199f100
[   10.036915][  T196] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc319a08b7
| [   10.038266][  T196] ---[ end trace 0000000000000000 ]---
| [   10.041213][  T196] ------------[ cut here ]------------
| [   10.041351][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   10.041845][  T196] Tainted: [W]=WARN
[   10.041943][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.042107][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.042288][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.042759][  T196] RSP: 0018:ffa0000000847a98 EFLAGS: 00010286
[   10.042926][  T196] RAX: 00000000ffffffa6 RBX: ff1100000579e740 RCX: 1ff4000000108f19
[   10.043127][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000579e7f8
[   10.043328][  T196] RBP: ff1100000cb89000 R08: 1fe2200000af3d00 R09: ff11000005058b80
[   10.043527][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.043723][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cb89000
[   10.043919][  T196] FS:  00007f19575ef840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   10.044157][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.044326][  T196] CR2: 00007f19577f6430 CR3: 000000000b697003 CR4: 0000000000771ef0
[   10.044528][  T196] PKRU: 55555554
[   10.044626][  T196] Call Trace:
[   10.044724][  T196]  <TASK>
[   10.044805][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.044938][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.045070][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.048623][  T196]  register_netdevice (net/core/dev.c:11488)
[   10.048757][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.048920][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.049052][  T196]  register_netdev (net/core/dev.c:11552)
[   10.049194][  T196]  sit_init_net (net/ipv6/sit.c:1860)
[   10.049326][  T196]  ops_init (net/core/net_namespace.c:137)
[   10.049432][  T196]  setup_net (net/core/net_namespace.c:446)
[   10.049532][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.049661][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.049792][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.049923][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[   10.050053][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.050198][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.050329][  T196]  ksys_unshare (kernel/fork.c:3243)
[   10.050468][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.050599][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[   10.050729][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.050858][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.050988][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.051117][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.051258][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.051388][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.051557][  T196] RIP: 0033:0x7f19578b1bcb
[   10.051692][  T196] 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
[   10.052157][  T196] RSP: 002b:00007ffc3199ced8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.052358][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19578b1bcb
[   10.052555][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.052748][  T196] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.052943][  T196] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc3199f100
[   10.053141][  T196] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc319a08b7
| [   10.054474][  T196] ---[ end trace 0000000000000000 ]---
| [   10.120203][  T200] ------------[ cut here ]------------
| [   10.120366][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/200
| [   10.120876][  T200] Tainted: [W]=WARN
[   10.120976][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.121149][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.121329][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.121805][  T200] RSP: 0018:ffa00000008d7ab0 EFLAGS: 00010286
[   10.121978][  T200] RAX: 00000000ffffffa6 RBX: ff1100000579f700 RCX: 1ff400000011af1c
[   10.122189][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000579f7b8
[   10.122384][  T200] RBP: ff11000005d4c000 R08: 1fe2200000af3ef8 R09: ff1100000a4a8b80
[   10.122584][  T200] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.122780][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005d4c000
[   10.122977][  T200] FS:  00007f711020b840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   10.123212][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.123378][  T200] CR2: 00007f711040cc20 CR3: 000000000c81e001 CR4: 0000000000771ef0
[   10.123580][  T200] PKRU: 55555554
[   10.123677][  T200] Call Trace:
[   10.123777][  T200]  <TASK>
[   10.123844][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.123978][  T200]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.124109][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.124223][  T200]  register_netdevice (net/core/dev.c:11488)
[   10.124354][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.124526][  T200]  register_netdev (net/core/dev.c:11552)
[   10.124657][  T200]  loopback_net_init (drivers/net/loopback.c:218)
[   10.124791][  T200]  ops_init (net/core/net_namespace.c:137)
[   10.124892][  T200]  setup_net (net/core/net_namespace.c:446)
[   10.124990][  T200]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.125119][  T200]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.125259][  T200]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.125391][  T200]  copy_net_ns (net/core/net_namespace.c:579)
[   10.125529][  T200]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.125663][  T200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.125794][  T200]  ksys_unshare (kernel/fork.c:3243)
[   10.125925][  T200]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.126055][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[   10.126197][  T200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.126326][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.126461][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.126593][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.126725][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.126856][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.127019][  T200] RIP: 0033:0x7f71104cdbcb
[   10.127161][  T200] 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
[   10.127635][  T200] RSP: 002b:00007ffe7b135988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.127832][  T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f71104cdbcb
[   10.128027][  T200] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.128229][  T200] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.128428][  T200] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7b137bb0
[   10.128620][  T200] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7b1398b7
| [   10.129939][  T200] ---[ end trace 0000000000000000 ]---
| [   10.132880][  T200] ------------[ cut here ]------------
| [   10.133017][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/200
| [   10.133527][  T200] Tainted: [W]=WARN
[   10.133625][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.133790][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.133960][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.134439][  T200] RSP: 0018:ffa00000008d7a98 EFLAGS: 00010286
[   10.134605][  T200] RAX: 00000000ffffffa6 RBX: ff110000058bba80 RCX: 1ff400000011af19
[   10.134800][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000058bbb38
[   10.134997][  T200] RBP: ff11000004f5c000 R08: 1fe2200000b17768 R09: ff1100000a4a8b80
[   10.135204][  T200] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.135402][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f5c000
[   10.135600][  T200] FS:  00007f711020b840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   10.135828][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.135993][  T200] CR2: 00007f711040cc20 CR3: 000000000c81e001 CR4: 0000000000771ef0
[   10.136199][  T200] PKRU: 55555554
[   10.136296][  T200] Call Trace:
[   10.136402][  T200]  <TASK>
[   10.136469][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.136600][  T200]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.136730][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.136829][  T200]  register_netdevice (net/core/dev.c:11488)
[   10.136961][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.137122][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.137268][  T200]  register_netdev (net/core/dev.c:11552)
[   10.137403][  T200]  sit_init_net (net/ipv6/sit.c:1860)
[   10.137536][  T200]  ops_init (net/core/net_namespace.c:137)
[   10.137635][  T200]  setup_net (net/core/net_namespace.c:446)
[   10.137735][  T200]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.137866][  T200]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.137998][  T200]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.138135][  T200]  copy_net_ns (net/core/net_namespace.c:579)
[   10.138270][  T200]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.138407][  T200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.138539][  T200]  ksys_unshare (kernel/fork.c:3243)
[   10.138670][  T200]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.138802][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[   10.138936][  T200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.139066][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.139205][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.139334][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.139470][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.139601][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.139788][  T200] RIP: 0033:0x7f71104cdbcb
[   10.139924][  T200] 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
[   10.140404][  T200] RSP: 002b:00007ffe7b135988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.140602][  T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f71104cdbcb
[   10.140796][  T200] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.140991][  T200] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.141195][  T200] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7b137bb0
[   10.141387][  T200] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7b1398b7
| [   10.142708][  T200] ---[ end trace 0000000000000000 ]---
| [   10.208630][  T204] ------------[ cut here ]------------
| [   10.208801][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [   10.209310][  T204] Tainted: [W]=WARN
[   10.209755][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.209926][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.210098][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.210585][  T204] RSP: 0018:ffa00000008f7ab0 EFLAGS: 00010286
[   10.210754][  T204] RAX: 00000000ffffffa6 RBX: ff110000058ba3c0 RCX: 1ff400000011ef1c
[   10.210955][  T204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000058ba478
[   10.211166][  T204] RBP: ff1100000cde4000 R08: 1fe2200000b17490 R09: ff11000009700b80
[   10.211363][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.211564][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cde4000
[   10.211762][  T204] FS:  00007f9bcd8b6840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   10.211996][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.212174][  T204] CR2: 00007f9bcdc2f493 CR3: 0000000004d91002 CR4: 0000000000771ef0
[   10.212373][  T204] PKRU: 55555554
[   10.212476][  T204] Call Trace:
[   10.212575][  T204]  <TASK>
[   10.212643][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.212777][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.212911][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.213012][  T204]  register_netdevice (net/core/dev.c:11488)
[   10.213153][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.213325][  T204]  register_netdev (net/core/dev.c:11552)
[   10.213462][  T204]  loopback_net_init (drivers/net/loopback.c:218)
[   10.213595][  T204]  ops_init (net/core/net_namespace.c:137)
[   10.213697][  T204]  setup_net (net/core/net_namespace.c:446)
[   10.213797][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.213930][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.214062][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.214207][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[   10.214340][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.214484][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.214617][  T204]  ksys_unshare (kernel/fork.c:3243)
[   10.214752][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.214886][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[   10.215018][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.215157][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.215294][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.215431][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.215562][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.215694][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.215859][  T204] RIP: 0033:0x7f9bcdb78bcb
[   10.215996][  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
[   10.216476][  T204] RSP: 002b:00007ffc8f4aaaa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.216674][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9bcdb78bcb
[   10.216871][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.217067][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.217271][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc8f4accd0
[   10.217472][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8f4ad8b7
| [   10.218812][  T204] ---[ end trace 0000000000000000 ]---
| [   10.221692][  T204] ------------[ cut here ]------------
| [   10.221825][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [   10.222336][  T204] Tainted: [W]=WARN
[   10.222440][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.222604][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.222775][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.223257][  T204] RSP: 0018:ffa00000008f7a98 EFLAGS: 00010286
[   10.223428][  T204] RAX: 00000000ffffffa6 RBX: ff110000090a6c80 RCX: 1ff400000011ef19
[   10.223624][  T204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090a6d38
[   10.223820][  T204] RBP: ff1100000c9c9000 R08: 1fe2200001214da8 R09: ff11000009700b80
[   10.224015][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.224224][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c9c9000
[   10.224425][  T204] FS:  00007f9bcd8b6840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   10.224658][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.224824][  T204] CR2: 00007f9bcdc2f493 CR3: 0000000004d91002 CR4: 0000000000771ef0
[   10.225019][  T204] PKRU: 55555554
[   10.225116][  T204] Call Trace:
[   10.225224][  T204]  <TASK>
[   10.225290][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.225429][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.225561][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.225661][  T204]  register_netdevice (net/core/dev.c:11488)
[   10.225793][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.225958][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.226090][  T204]  register_netdev (net/core/dev.c:11552)
[   10.226232][  T204]  sit_init_net (net/ipv6/sit.c:1860)
[   10.226366][  T204]  ops_init (net/core/net_namespace.c:137)
[   10.226472][  T204]  setup_net (net/core/net_namespace.c:446)
[   10.226571][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.226701][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.226835][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.226968][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[   10.227101][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.227242][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.227377][  T204]  ksys_unshare (kernel/fork.c:3243)
[   10.227515][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.227646][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[   10.227779][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.227911][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.228041][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.228182][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.228314][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.228453][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.228616][  T204] RIP: 0033:0x7f9bcdb78bcb
[   10.228752][  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
[   10.229232][  T204] RSP: 002b:00007ffc8f4aaaa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.229436][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9bcdb78bcb
[   10.229632][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.229829][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.230026][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc8f4accd0
[   10.230230][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8f4ad8b7
| [   10.231555][  T204] ---[ end trace 0000000000000000 ]---
| [   10.290131][  T208] ------------[ cut here ]------------
| [   10.290282][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [   10.290800][  T208] Tainted: [W]=WARN
[   10.290901][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.291067][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.291243][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.291715][  T208] RSP: 0018:ffa0000000917ab0 EFLAGS: 00010286
[   10.291883][  T208] RAX: 00000000ffffffa6 RBX: ff1100000b46e200 RCX: 1ff4000000122f1c
[   10.292078][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b46e2b8
[   10.292284][  T208] RBP: ff1100000c8e1000 R08: 1fe220000168dc58 R09: ff11000005d10b80
[   10.292485][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.292685][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c8e1000
[   10.292881][  T208] FS:  00007f8985455840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   10.293108][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.293285][  T208] CR2: 00007f8985661690 CR3: 000000000cb09002 CR4: 0000000000771ef0
[   10.293486][  T208] PKRU: 55555554
[   10.293585][  T208] Call Trace:
[   10.293682][  T208]  <TASK>
[   10.293749][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.293882][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.294013][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.294112][  T208]  register_netdevice (net/core/dev.c:11488)
[   10.294260][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.294431][  T208]  register_netdev (net/core/dev.c:11552)
[   10.294564][  T208]  loopback_net_init (drivers/net/loopback.c:218)
[   10.294696][  T208]  ops_init (net/core/net_namespace.c:137)
[   10.294796][  T208]  setup_net (net/core/net_namespace.c:446)
[   10.294895][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.295025][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.295166][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.295300][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[   10.295526][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.295660][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.295791][  T208]  ksys_unshare (kernel/fork.c:3243)
[   10.295922][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.296055][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[   10.296199][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.296330][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.296533][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.296665][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.296798][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.296929][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.297093][  T208] RIP: 0033:0x7f8985717bcb
[   10.297239][  T208] 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
[   10.297773][  T208] RSP: 002b:00007fffa5f86388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.297972][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8985717bcb
[   10.298176][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.298371][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.298628][  T208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffa5f885b0
[   10.298824][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa5f898b7
| [   10.300206][  T208] ---[ end trace 0000000000000000 ]---
| [   10.303306][  T208] ------------[ cut here ]------------
| [   10.303461][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/208
| [   10.303955][  T208] Tainted: [W]=WARN
[   10.304055][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.304230][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.304410][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.304871][  T208] RSP: 0018:ffa0000000917a98 EFLAGS: 00010286
[   10.305039][  T208] RAX: 00000000ffffffa6 RBX: ff1100000b46f000 RCX: 1ff4000000122f19
[   10.305240][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b46f0b8
[   10.305440][  T208] RBP: ff1100000b754000 R08: 1fe220000168de18 R09: ff11000005d10b80
[   10.305635][  T208] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.305830][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b754000
[   10.306027][  T208] FS:  00007f8985455840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   10.306267][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.306436][  T208] CR2: 00007f71102d8574 CR3: 000000000cb09003 CR4: 0000000000771ef0
[   10.306639][  T208] PKRU: 55555554
[   10.306738][  T208] Call Trace:
[   10.306836][  T208]  <TASK>
[   10.306905][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.307036][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.307175][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.307275][  T208]  register_netdevice (net/core/dev.c:11488)
[   10.307411][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.307575][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.307708][  T208]  register_netdev (net/core/dev.c:11552)
[   10.307839][  T208]  sit_init_net (net/ipv6/sit.c:1860)
[   10.307973][  T208]  ops_init (net/core/net_namespace.c:137)
[   10.308074][  T208]  setup_net (net/core/net_namespace.c:446)
[   10.308187][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.308319][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.308456][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.308592][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[   10.308725][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.308859][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.308990][  T208]  ksys_unshare (kernel/fork.c:3243)
[   10.309120][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.309260][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[   10.309399][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.309534][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.309665][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.309796][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.309929][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.310059][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.310233][  T208] RIP: 0033:0x7f8985717bcb
[   10.310369][  T208] 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
[   10.310837][  T208] RSP: 002b:00007fffa5f86388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.311035][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8985717bcb
[   10.311241][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.311441][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.311634][  T208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffa5f885b0
[   10.311829][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa5f898b7
| [   10.313154][  T208] ---[ end trace 0000000000000000 ]---
| [   10.370415][  T212] ------------[ cut here ]------------
| [   10.370612][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/212
| [   10.371244][  T212] Tainted: [W]=WARN
[   10.371390][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.372262][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.372493][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.373020][  T212] RSP: 0018:ffa00000008c7ab0 EFLAGS: 00010286
[   10.373249][  T212] RAX: 00000000ffffffa6 RBX: ff1100000e492580 RCX: 1ff4000000118f1c
[   10.373504][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e492638
[   10.373746][  T212] RBP: ff1100000cf61000 R08: 1fe2200001c924c8 R09: ff11000004d38b80
[   10.374007][  T212] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.374268][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf61000
[   10.374525][  T212] FS:  00007f081e3ff840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   10.374798][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.375011][  T212] CR2: 00007f081e606430 CR3: 000000000a4f1003 CR4: 0000000000771ef0
[   10.375293][  T212] PKRU: 55555554
[   10.375449][  T212] Call Trace:
[   10.375594][  T212]  <TASK>
[   10.375709][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.375889][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.376068][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.376233][  T212]  register_netdevice (net/core/dev.c:11488)
[   10.376447][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.376661][  T212]  register_netdev (net/core/dev.c:11552)
[   10.376840][  T212]  loopback_net_init (drivers/net/loopback.c:218)
[   10.377021][  T212]  ops_init (net/core/net_namespace.c:137)
[   10.377182][  T212]  setup_net (net/core/net_namespace.c:446)
[   10.377335][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.377526][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.377726][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.377908][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[   10.378096][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.378297][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.378490][  T212]  ksys_unshare (kernel/fork.c:3243)
[   10.378669][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.378852][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[   10.379036][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.379232][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.379424][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.379603][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.379781][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.379961][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.380187][  T212] RIP: 0033:0x7f081e6c1bcb
[   10.380375][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.380900][  T212] RSP: 002b:00007ffc00fb3c88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.381153][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f081e6c1bcb
[   10.381419][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.381662][  T212] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.381902][  T212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc00fb5eb0
[   10.382153][  T212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc00fb68b7
| [   10.383844][  T212] ---[ end trace 0000000000000000 ]---
| [   10.386886][  T212] ------------[ cut here ]------------
| [   10.387059][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/212
| [   10.387679][  T212] Tainted: [W]=WARN
[   10.387825][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.388033][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.388271][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.388797][  T212] RSP: 0018:ffa00000008c7a98 EFLAGS: 00010286
[   10.389008][  T212] RAX: 00000000ffffffa6 RBX: ff1100000e493380 RCX: 1ff4000000118f19
[   10.389268][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e493438
[   10.389537][  T212] RBP: ff1100000e534000 R08: 1fe2200001c92688 R09: ff11000004d38b80
[   10.389780][  T212] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.390021][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e534000
[   10.390282][  T212] FS:  00007f081e3ff840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   10.390587][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.390801][  T212] CR2: 00007f081e606430 CR3: 000000000a4f1003 CR4: 0000000000771ef0
[   10.391042][  T212] PKRU: 55555554
[   10.391205][  T212] Call Trace:
[   10.391351][  T212]  <TASK>
[   10.391478][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.391676][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.391854][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.392001][  T212]  register_netdevice (net/core/dev.c:11488)
[   10.392198][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.392426][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.392606][  T212]  register_netdev (net/core/dev.c:11552)
[   10.392786][  T212]  sit_init_net (net/ipv6/sit.c:1860)
[   10.392986][  T212]  ops_init (net/core/net_namespace.c:137)
[   10.393142][  T212]  setup_net (net/core/net_namespace.c:446)
[   10.393298][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.393492][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.393671][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.393850][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[   10.394030][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.394248][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.394440][  T212]  ksys_unshare (kernel/fork.c:3243)
[   10.394619][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.394800][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[   10.394981][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.395171][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.395377][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.395570][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.395748][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.395925][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.396141][  T212] RIP: 0033:0x7f081e6c1bcb
[   10.396334][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.396873][  T212] RSP: 002b:00007ffc00fb3c88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.397116][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f081e6c1bcb
[   10.397377][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.397681][  T212] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.397920][  T212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc00fb5eb0
[   10.398173][  T212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc00fb68b7
| [   10.399890][  T212] ---[ end trace 0000000000000000 ]---
| [   10.468157][  T216] ------------[ cut here ]------------
| [   10.468315][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.469086][  T216] Tainted: [W]=WARN
[   10.469199][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.469366][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.469547][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.470020][  T216] RSP: 0018:ffa0000000967ab0 EFLAGS: 00010286
[   10.470203][  T216] RAX: 00000000ffffffa6 RBX: ff11000005154900 RCX: 1ff400000012cf1c
[   10.470403][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000051549b8
[   10.470599][  T216] RBP: ff11000008859000 R08: 1fe2200000a2a938 R09: ff1100000cb55180
[   10.470797][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.470995][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008859000
[   10.471203][  T216] FS:  00007f08032c0840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   10.471443][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.471610][  T216] CR2: 00007f08034c7430 CR3: 0000000005823003 CR4: 0000000000771ef0
[   10.471808][  T216] PKRU: 55555554
[   10.471909][  T216] Call Trace:
[   10.472008][  T216]  <TASK>
[   10.472075][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.472220][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.472351][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.472457][  T216]  register_netdevice (net/core/dev.c:11488)
[   10.472591][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.472756][  T216]  register_netdev (net/core/dev.c:11552)
[   10.472889][  T216]  loopback_net_init (drivers/net/loopback.c:218)
[   10.473022][  T216]  ops_init (net/core/net_namespace.c:137)
[   10.473123][  T216]  setup_net (net/core/net_namespace.c:446)
[   10.473231][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.473362][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.473500][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.473639][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[   10.473772][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.473907][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.474039][  T216]  ksys_unshare (kernel/fork.c:3243)
[   10.474177][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.474309][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[   10.474446][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.474578][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.474711][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.474842][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.474974][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.475106][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.475275][  T216] RIP: 0033:0x7f0803582bcb
[   10.475416][  T216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.475884][  T216] RSP: 002b:00007ffc37a74ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.476081][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0803582bcb
[   10.476288][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.476490][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.476686][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc37a76dd0
[   10.476881][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37a788b7
| [   10.478217][  T216] ---[ end trace 0000000000000000 ]---
| [   10.481062][  T216] ------------[ cut here ]------------
| [   10.481211][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.481800][  T216] Tainted: [W]=WARN
[   10.481899][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.482065][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.482244][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.482716][  T216] RSP: 0018:ffa0000000967a98 EFLAGS: 00010286
[   10.482885][  T216] RAX: 00000000ffffffa6 RBX: ff11000005155700 RCX: 1ff400000012cf19
[   10.483081][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000051557b8
[   10.483288][  T216] RBP: ff11000009ea1000 R08: 1fe2200000a2aaf8 R09: ff1100000cb55180
[   10.483487][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.483683][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ea1000
[   10.483879][  T216] FS:  00007f08032c0840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   10.484106][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.484281][  T216] CR2: 00007f08034c7430 CR3: 0000000005823003 CR4: 0000000000771ef0
[   10.484490][  T216] PKRU: 55555554
[   10.484591][  T216] Call Trace:
[   10.484688][  T216]  <TASK>
[   10.484755][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.484887][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.485018][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.485119][  T216]  register_netdevice (net/core/dev.c:11488)
[   10.485263][  T216]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.485430][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.485564][  T216]  register_netdev (net/core/dev.c:11552)
[   10.485695][  T216]  sit_init_net (net/ipv6/sit.c:1860)
[   10.485829][  T216]  ops_init (net/core/net_namespace.c:137)
[   10.485929][  T216]  setup_net (net/core/net_namespace.c:446)
[   10.486027][  T216]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.486166][  T216]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.486297][  T216]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.486438][  T216]  copy_net_ns (net/core/net_namespace.c:579)
[   10.486570][  T216]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.486703][  T216]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.486833][  T216]  ksys_unshare (kernel/fork.c:3243)
[   10.486964][  T216]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.487097][  T216]  ? __ia32_sys_open (fs/open.c:1374)
[   10.487238][  T216]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.487370][  T216]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.487503][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.487633][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.487765][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.487896][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.488059][  T216] RIP: 0033:0x7f0803582bcb
[   10.488204][  T216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.488674][  T216] RSP: 002b:00007ffc37a74ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.488872][  T216] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0803582bcb
[   10.489067][  T216] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.489272][  T216] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.489472][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc37a76dd0
[   10.489668][  T216] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37a788b7
| [   10.490988][  T216] ---[ end trace 0000000000000000 ]---
| [   14.512911][  T275] ------------[ cut here ]------------
| [   14.513142][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/275
| [   14.513734][  T275] Tainted: [W]=WARN
[   14.513841][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.514019][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.514210][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.514705][  T275] RSP: 0018:ffa00000007a6e20 EFLAGS: 00010286
[   14.514939][  T275] RAX: 00000000ffffffa6 RBX: ff11000008cd2e40 RCX: 1ff40000000f4d8a
[   14.515146][  T275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cd2ef8
[   14.515363][  T275] RBP: ff11000007bb9000 R08: 1fe220000119a5e0 R09: ff11000004c22e80
[   14.515575][  T275] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.515783][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f84088
[   14.515991][  T275] FS:  00007fe1511b4840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   14.516247][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.516427][  T275] CR2: 000000000042ebe0 CR3: 0000000010b14006 CR4: 0000000000771ef0
[   14.516644][  T275] PKRU: 55555554
[   14.516750][  T275] Call Trace:
[   14.516854][  T275]  <TASK>
[   14.516926][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.518172][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.518279][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.518425][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.518565][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   14.518704][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   14.518893][  T275]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   14.519034][  T275]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   14.519221][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.519368][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.519511][  T275]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.519652][  T275]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.519791][  T275]  veth_newlink (drivers/net/veth.c:1871)
[   14.519936][  T275]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.520075][  T275]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.520222][  T275]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.520359][  T275]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.520516][  T275]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.520655][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.520794][  T275]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.520932][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.521074][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.521223][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.521365][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.521510][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.521650][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.521795][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.521952][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.522090][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.522236][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.522374][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.522550][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.522689][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.522827][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.522968][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.523106][  T275]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.523250][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.523389][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.523532][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.523670][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.523808][  T275]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.523947][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.524088][  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))
[   14.524235][  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))
[   14.524373][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.524517][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.524655][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.524794][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.524934][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.525072][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.525220][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.525359][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.525505][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.525674][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   14.525816][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   14.525954][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.526097][  T275]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.526284][  T275]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.526429][  T275]  __sys_sendmsg (net/socket.c:2784)
[   14.526565][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.526705][  T275]  ? 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)
[   14.526844][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.526985][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.527123][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.527271][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.527414][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.527585][  T275] RIP: 0033:0x7fe1513ee08e
[   14.527729][  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
[   14.528249][  T275] RSP: 002b:00007ffce87b9500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.528468][  T275] RAX: ffffffffffffffda RBX: 00007ffce87b9ca8 RCX: 00007fe1513ee08e
[   14.528677][  T275] RDX: 0000000000000000 RSI: 00007ffce87b95b0 RDI: 0000000000000005
[   14.528883][  T275] RBP: 00007ffce87b9510 R08: 0000000000000000 R09: 0000000000000000
[   14.529092][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3d
[   14.529310][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce87b9c70
| [   14.530718][  T275] ---[ end trace 0000000000000000 ]---
| [   14.539986][  T275] ------------[ cut here ]------------
| [   14.540177][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/275
| [   14.540699][  T275] Tainted: [W]=WARN
[   14.540802][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.540979][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.541156][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.541651][  T275] RSP: 0018:ffa00000007a71a0 EFLAGS: 00010286
[   14.541823][  T275] RAX: 00000000ffffffa6 RBX: ff1100000b46eac0 RCX: 1ff40000000f4dfa
[   14.542026][  T275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b46eb78
[   14.542241][  T275] RBP: ff1100000207c000 R08: 1fe220000168dd70 R09: ff11000004c22e80
[   14.542474][  T275] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.542677][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   14.542882][  T275] FS:  00007fe1511b4840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   14.543120][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.543301][  T275] CR2: 000000000042ebe0 CR3: 0000000010b14006 CR4: 0000000000771ef0
[   14.543511][  T275] PKRU: 55555554
[   14.543625][  T275] Call Trace:
[   14.543726][  T275]  <TASK>
[   14.543796][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.543935][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.544038][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   14.544181][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   14.544338][  T275]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.544481][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.544617][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.544753][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.544889][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.545022][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.545157][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.545307][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.545449][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.545586][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.545722][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.545856][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.545995][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.546132][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.546277][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.546474][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.546610][  T275]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.546745][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.546882][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.547015][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.547152][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.547296][  T275]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.547490][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.547627][  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))
[   14.547761][  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))
[   14.547898][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.548035][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.548177][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.548314][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.548509][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.548645][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.548782][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.548919][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.549053][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.549229][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   14.549368][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   14.549560][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.549699][  T275]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.549870][  T275]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.550007][  T275]  __sys_sendmsg (net/socket.c:2784)
[   14.550142][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.550290][  T275]  ? 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)
[   14.550486][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.550624][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.550762][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.550896][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.551030][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.551207][  T275] RIP: 0033:0x7fe1513ee08e
[   14.551349][  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
[   14.551919][  T275] RSP: 002b:00007ffce87b9500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.552123][  T275] RAX: ffffffffffffffda RBX: 00007ffce87b9ca8 RCX: 00007fe1513ee08e
[   14.552333][  T275] RDX: 0000000000000000 RSI: 00007ffce87b95b0 RDI: 0000000000000005
[   14.552632][  T275] RBP: 00007ffce87b9510 R08: 0000000000000000 R09: 0000000000000000
[   14.552833][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3d
[   14.553034][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce87b9c70
| [   14.566023][  T275] ip (275) used greatest stack depth: 23784 bytes left
| [   14.645363][  T278] ------------[ cut here ]------------
| [   14.645542][  T278] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/278
| [   14.646068][  T278] Tainted: [W]=WARN
[   14.646177][  T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.646343][  T278] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.646520][  T278] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.646985][  T278] RSP: 0018:ffa0000000b67020 EFLAGS: 00010286
[   14.647149][  T278] RAX: 00000000ffffffa6 RBX: ff1100000e492580 RCX: 1ff400000016cdca
[   14.647356][  T278] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e492638
[   14.647558][  T278] RBP: ff1100000207c000 R08: 1fe2200001c924c8 R09: ff11000005058b58
[   14.647752][  T278] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.647950][  T278] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000207cce1
[   14.648146][  T278] FS:  00007f81402d0840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   14.648385][  T278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.648554][  T278] CR2: 00007f81405a01a0 CR3: 000000000b7d9002 CR4: 0000000000771ef0
[   14.648751][  T278] PKRU: 55555554
[   14.648850][  T278] Call Trace:
[   14.648949][  T278]  <TASK>
[   14.649016][  T278]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.649148][  T278]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.649257][  T278]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.649387][  T278]  __dev_notify_flags (net/core/dev.c:9787)
[   14.649524][  T278]  ? netif_change_name (net/core/dev.c:1495)
[   14.649654][  T278]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.649785][  T278]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   14.649915][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.650046][  T278]  ? 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))
[   14.650186][  T278]  netif_change_flags (net/core/dev.c:9820)
[   14.650317][  T278]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.650525][  T278]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.650657][  T278]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.650822][  T278]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.650952][  T278]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.651081][  T278]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.651219][  T278]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.651351][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.651585][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.651794][  T278]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.651925][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.652057][  T278]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.652198][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.652329][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.652548][  T278]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.652679][  T278]  ? __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)
[   14.652810][  T278]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.652942][  T278]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.653073][  T278]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.653212][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.653344][  T278]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.653549][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.653680][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.653811][  T278]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.653944][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.654075][  T278]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.654223][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.654356][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.654495][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.654629][  T278]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.654760][  T278]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.654892][  T278]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.655023][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.655154][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.655295][  T278]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.655432][  T278]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.655564][  T278]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.655696][  T278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.655830][  T278]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.656049][  T278]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.656192][  T278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.656325][  T278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.656464][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.656680][  T278]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.656811][  T278]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.656945][  T278]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.657076][  T278]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.657296][  T278]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.657435][  T278]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.657597][  T278]  ? move_addr_to_kernel (net/socket.c:258)
[   14.657728][  T278]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.657946][  T278]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.658079][  T278]  ___sys_sendmsg (net/socket.c:2752)
[   14.658218][  T278]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.658380][  T278]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.658528][  T278]  __sys_sendmsg (net/socket.c:2784)
[   14.658658][  T278]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.658789][  T278]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.658953][  T278]  ? 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)
[   14.659180][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.659312][  T278]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.659450][  T278]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.659582][  T278]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.659798][  T278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.659961][  T278] RIP: 0033:0x7f814050a08e
[   14.660098][  T278] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.660670][  T278] RSP: 002b:00007fff4ffdf4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.660958][  T278] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f814050a08e
[   14.661154][  T278] RDX: 0000000000000000 RSI: 00007fff4ffdf590 RDI: 0000000000000005
[   14.661358][  T278] RBP: 00007fff4ffdf4f0 R08: 0000000000000000 R09: 0000000000000000
[   14.661645][  T278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   14.661843][  T278] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4ffdfc60
| [   14.663435][  T278] ---[ end trace 0000000000000000 ]---
| [   14.743150][  T281] ------------[ cut here ]------------
| [   14.743312][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/281
| [   14.743818][  T281] Tainted: [W]=WARN
[   14.743918][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.744081][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.744260][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.744735][  T281] RSP: 0018:ffa0000000b97020 EFLAGS: 00010286
[   14.744910][  T281] RAX: 00000000ffffffa6 RBX: ff1100000583a040 RCX: 1ff4000000172dca
[   14.745107][  T281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000583a0f8
[   14.745309][  T281] RBP: ff11000007bb9000 R08: 1fe2200000b07420 R09: ff1100000ca02e58
[   14.745512][  T281] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.745709][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007bb9ce1
[   14.745907][  T281] FS:  00007f74b8bf9840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   14.746136][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.746309][  T281] CR2: 0000000020b47988 CR3: 0000000010bd8004 CR4: 0000000000771ef0
[   14.746511][  T281] PKRU: 55555554
[   14.746611][  T281] Call Trace:
[   14.746708][  T281]  <TASK>
[   14.746776][  T281]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.746912][  T281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.747013][  T281]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.747145][  T281]  __dev_notify_flags (net/core/dev.c:9787)
[   14.747286][  T281]  ? netif_change_name (net/core/dev.c:1495)
[   14.747424][  T281]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.747560][  T281]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   14.747692][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.747843][  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))
[   14.747982][  T281]  netif_change_flags (net/core/dev.c:9820)
[   14.748113][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.748254][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.748386][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.748554][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.748685][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.748814][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.748944][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.749074][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.749212][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.749342][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.749568][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.749699][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.749828][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.749957][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.750088][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.750229][  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)
[   14.750359][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.750566][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.750697][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.750829][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.750961][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.751093][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.751230][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.751360][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.751568][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.751783][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.751915][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.752043][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.752179][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.752309][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.752523][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.752652][  T281]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.752781][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.752913][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.753043][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.753179][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.753310][  T281]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.753503][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.753636][  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))
[   14.753766][  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))
[   14.753898][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.754030][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.754183][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.754313][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.754497][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.754628][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.754759][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.754888][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.755018][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.755187][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   14.755318][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.755515][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.755646][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   14.755775][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.755938][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.756079][  T281]  __sys_sendmsg (net/socket.c:2784)
[   14.756215][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.756345][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.756568][  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)
[   14.756699][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.756830][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.756959][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.757089][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.757228][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.757388][  T281] RIP: 0033:0x7f74b8e3308e
[   14.757582][  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
[   14.758042][  T281] RSP: 002b:00007ffdf79873f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.758244][  T281] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f74b8e3308e
[   14.758447][  T281] RDX: 0000000000000000 RSI: 00007ffdf79874a0 RDI: 0000000000000005
[   14.758640][  T281] RBP: 00007ffdf7987400 R08: 0000000000000000 R09: 0000000000000000
[   14.758832][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   14.759027][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf7987b70
| [   14.760333][  T281] ---[ end trace 0000000000000000 ]---
| [   14.761856][   T39] ------------[ cut here ]------------
| [   14.762022][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   14.762639][   T39] Tainted: [W]=WARN
[   14.762731][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.762886][   T39] Workqueue: events_unbound linkwatch_event
[   14.763051][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.763213][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.763913][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   14.764069][   T39] RAX: 00000000ffffffa6 RBX: ff1100000583b000 RCX: 1ff4000000057f02
[   14.764257][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000583b0b8
[   14.764468][   T39] RBP: ff1100000207c000 R08: 1fe2200000b07618 R09: ff11000001d951a8
[   14.764646][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   14.764824][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.765005][   T39] FS:  0000000000000000(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   14.765224][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.765374][   T39] CR2: 00007feb162a8574 CR3: 0000000016549005 CR4: 0000000000771ef0
[   14.765557][   T39] PKRU: 55555554
[   14.765647][   T39] Call Trace:
[   14.765858][   T39]  <TASK>
[   14.765921][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.766041][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.766174][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.766267][   T39]  netif_state_change (net/core/dev.c:1605)
[   14.766471][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.766623][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.766743][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.766865][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.767062][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.767193][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   14.767313][   T39]  process_one_work (kernel/workqueue.c:3314)
[   14.767514][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.767635][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.767758][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.767883][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.768003][   T39]  kthread (kernel/kthread.c:436)
[   14.768175][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.768327][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.768452][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.768574][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.768799][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.768921][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.769040][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.770431][   T39] ---[ end trace 0000000000000000 ]---
| [   14.796713][  T282] ------------[ cut here ]------------
| [   14.796898][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/282
| [   14.798087][  T282] Tainted: [W]=WARN
[   14.798325][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.798603][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.798883][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.799508][  T282] RSP: 0018:ffa0000000ba6e20 EFLAGS: 00010286
[   14.799799][  T282] RAX: 00000000ffffffa6 RBX: ff1100001fccd000 RCX: 1ff4000000174d8a
[   14.800100][  T282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001fccd0b8
[   14.800451][  T282] RBP: ff11000008d54000 R08: 1fe2200003f99a18 R09: ff1100000cf35180
[   14.800753][  T282] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.801068][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010836388
[   14.801391][  T282] FS:  00007fe56cd0d840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   14.801814][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.802087][  T282] CR2: 000000000042ebe0 CR3: 000000001fcaf003 CR4: 0000000000771ef0
[   14.802436][  T282] PKRU: 55555554
[   14.802641][  T282] Call Trace:
[   14.802842][  T282]  <TASK>
[   14.803013][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.803285][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.803503][  T282]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.803771][  T282]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   14.804007][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   14.804273][  T282]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   14.804524][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   14.804760][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.805013][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.805263][  T282]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.805514][  T282]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.805749][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.806000][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.806252][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.806522][  T282]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.806759][  T282]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.807008][  T282]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.807271][  T282]  veth_newlink (drivers/net/veth.c:1871)
[   14.807536][  T282]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.807785][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.808022][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.808291][  T282]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.808549][  T282]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.808783][  T282]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.809055][  T282]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.809308][  T282]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.809584][  T282]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.809843][  T282]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.810079][  T282]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.810291][  T282]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.810481][  T282]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.810666][  T282]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.810851][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.811032][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.811253][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.811446][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.811630][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.811810][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.811990][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.812178][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.812382][  T282]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.812575][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.812805][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.812985][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.813176][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.813362][  T282]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.813555][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.813756][  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))
[   14.813934][  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))
[   14.814127][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.814323][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.814513][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.814694][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.814895][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.815076][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.815275][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.815470][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.815663][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.815874][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   14.816058][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   14.816275][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.816473][  T282]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.816689][  T282]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.816871][  T282]  __sys_sendmsg (net/socket.c:2784)
[   14.817065][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.817278][  T282]  ? 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)
[   14.817492][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.817674][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.817853][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.818032][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.818230][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.818469][  T282] RIP: 0033:0x7fe56cf4708e
[   14.818670][  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
[   14.819193][  T282] RSP: 002b:00007ffe63d4dca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.819457][  T282] RAX: ffffffffffffffda RBX: 00007ffe63d4e448 RCX: 00007fe56cf4708e
[   14.819726][  T282] RDX: 0000000000000000 RSI: 00007ffe63d4dd50 RDI: 0000000000000005
[   14.819969][  T282] RBP: 00007ffe63d4dcb0 R08: 0000000000000000 R09: 0000000000000000
[   14.820230][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   14.820487][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe63d4e410
| [   14.822236][  T282] ---[ end trace 0000000000000000 ]---
| [   14.840891][  T282] ------------[ cut here ]------------
| [   14.841037][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/282
| [   14.841559][  T282] Tainted: [W]=WARN
[   14.841661][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.841831][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.842007][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.842493][  T282] RSP: 0018:ffa0000000ba71a0 EFLAGS: 00010286
[   14.842664][  T282] RAX: 00000000ffffffa6 RBX: ff11000010a4fe00 RCX: 1ff4000000174dfa
[   14.842863][  T282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a4feb8
[   14.843062][  T282] RBP: ff11000008871000 R08: 1fe2200002149fd8 R09: ff1100000cf35180
[   14.843274][  T282] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.843475][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   14.843673][  T282] FS:  00007fe56cd0d840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   14.843907][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.844074][  T282] CR2: 00007f74b8cc6574 CR3: 000000001fcaf005 CR4: 0000000000771ef0
[   14.844281][  T282] PKRU: 55555554
[   14.844382][  T282] Call Trace:
[   14.844488][  T282]  <TASK>
[   14.844557][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.844692][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.844794][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   14.844930][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   14.845066][  T282]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.845209][  T282]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.845343][  T282]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.845483][  T282]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.845618][  T282]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.845750][  T282]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.845885][  T282]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.846022][  T282]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.846169][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.846305][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.846442][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.846575][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.846710][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.846845][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.846979][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.847114][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.847258][  T282]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.847389][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.847528][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.847661][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.847796][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.847929][  T282]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.848063][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.848210][  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))
[   14.848342][  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))
[   14.848479][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.848614][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.848747][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.848881][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.849014][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.849147][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.849292][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.849430][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.849563][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.849727][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   14.849864][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   14.849997][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.850133][  T282]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.850312][  T282]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.850453][  T282]  __sys_sendmsg (net/socket.c:2784)
[   14.850586][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.850724][  T282]  ? 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)
[   14.850857][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.850991][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.851127][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.851272][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.851409][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.851575][  T282] RIP: 0033:0x7fe56cf4708e
[   14.851714][  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
[   14.852196][  T282] RSP: 002b:00007ffe63d4dca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.852404][  T282] RAX: ffffffffffffffda RBX: 00007ffe63d4e448 RCX: 00007fe56cf4708e
[   14.852604][  T282] RDX: 0000000000000000 RSI: 00007ffe63d4dd50 RDI: 0000000000000005
[   14.852802][  T282] RBP: 00007ffe63d4dcb0 R08: 0000000000000000 R09: 0000000000000000
[   14.853002][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   14.853212][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe63d4e410
| [   14.858084][  T282] ip (282) used greatest stack depth: 23296 bytes left
| [   14.930386][  T285] ------------[ cut here ]------------
| [   14.930565][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/285
| [   14.931061][  T285] Tainted: [W]=WARN
[   14.931168][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.931337][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.931514][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.931986][  T285] RSP: 0018:ffa0000000bc7020 EFLAGS: 00010286
[   14.932152][  T285] RAX: 00000000ffffffa6 RBX: ff11000010a74200 RCX: 1ff4000000178dca
[   14.932362][  T285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a742b8
[   14.932569][  T285] RBP: ff11000008871000 R08: 1fe220000214e858 R09: ff11000005d10b58
[   14.932765][  T285] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.932963][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008871ce1
[   14.933172][  T285] FS:  00007fd67d1d7840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   14.933408][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.933574][  T285] CR2: 000000003e443988 CR3: 000000000b7d9003 CR4: 0000000000771ef0
[   14.933776][  T285] PKRU: 55555554
[   14.933875][  T285] Call Trace:
[   14.933974][  T285]  <TASK>
[   14.934042][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.934184][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.934285][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.934422][  T285]  __dev_notify_flags (net/core/dev.c:9787)
[   14.934555][  T285]  ? netif_change_name (net/core/dev.c:1495)
[   14.934687][  T285]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.934821][  T285]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   14.934953][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.935085][  T285]  ? 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))
[   14.935228][  T285]  netif_change_flags (net/core/dev.c:9820)
[   14.935362][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.935515][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.935647][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.935817][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.935950][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.936080][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.936221][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.936355][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.936574][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.936707][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.936840][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.936976][  T285]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.937107][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.937245][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.937378][  T285]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.937591][  T285]  ? __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)
[   14.937724][  T285]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.937857][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.937991][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.938125][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.938269][  T285]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.938472][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.938689][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.938820][  T285]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.938954][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.939089][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.939233][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.939366][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.939571][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.939704][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.939836][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.939969][  T285]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.940100][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.940245][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.940377][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.940577][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.940709][  T285]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   14.940841][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.940976][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.941108][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.941248][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.941379][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.941533][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.941667][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.941799][  T285]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.941933][  T285]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.942066][  T285]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.942208][  T285]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.942341][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.942525][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   14.942657][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.942791][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.942923][  T285]  ___sys_sendmsg (net/socket.c:2752)
[   14.943055][  T285]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.943229][  T285]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.943374][  T285]  __sys_sendmsg (net/socket.c:2784)
[   14.943515][  T285]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.943645][  T285]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.943810][  T285]  ? 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)
[   14.943944][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.944076][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.944216][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.944350][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.944488][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.944652][  T285] RIP: 0033:0x7fd67d41108e
[   14.944790][  T285] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.945268][  T285] RSP: 002b:00007ffd8d2c56b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.945473][  T285] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd67d41108e
[   14.945690][  T285] RDX: 0000000000000000 RSI: 00007ffd8d2c5760 RDI: 0000000000000005
[   14.945893][  T285] RBP: 00007ffd8d2c56c0 R08: 0000000000000000 R09: 0000000000000000
[   14.946089][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   14.946298][  T285] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8d2c5e30
| [   14.947634][  T285] ---[ end trace 0000000000000000 ]---
| [   15.049785][  T288] ------------[ cut here ]------------
| [   15.049961][  T288] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/288
| [   15.050511][  T288] Tainted: [W]=WARN
[   15.050610][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.050776][  T288] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.050947][  T288] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.051442][  T288] RSP: 0018:ffa0000000be7020 EFLAGS: 00010286
[   15.051610][  T288] RAX: 00000000ffffffa6 RBX: ff1100000e74aac0 RCX: 1ff400000017cdca
[   15.051811][  T288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e74ab78
[   15.052008][  T288] RBP: ff11000008d54000 R08: 1fe2200001ce9570 R09: ff1100000cead158
[   15.052212][  T288] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.052415][  T288] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d54ce1
[   15.052613][  T288] FS:  00007f6875d90840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   15.052849][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.053018][  T288] CR2: 00007f68760601a0 CR3: 000000000b7d9006 CR4: 0000000000771ef0
[   15.053227][  T288] PKRU: 55555554
[   15.053323][  T288] Call Trace:
[   15.053426][  T288]  <TASK>
[   15.053493][  T288]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.053631][  T288]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.053734][  T288]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.053865][  T288]  __dev_notify_flags (net/core/dev.c:9787)
[   15.053997][  T288]  ? netif_change_name (net/core/dev.c:1495)
[   15.054129][  T288]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.054272][  T288]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   15.054408][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.054545][  T288]  ? 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))
[   15.054678][  T288]  netif_change_flags (net/core/dev.c:9820)
[   15.054810][  T288]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.054945][  T288]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.055078][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.055252][  T288]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.055383][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.055542][  T288]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.055698][  T288]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.055832][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.055966][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.056097][  T288]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.056236][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.056366][  T288]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.056501][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.056633][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.056763][  T288]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.056900][  T288]  ? __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)
[   15.057031][  T288]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.057171][  T288]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.057305][  T288]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.057442][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.057577][  T288]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.057708][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.057839][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.057970][  T288]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.058101][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.058241][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.058371][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.058514][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.058648][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.058779][  T288]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.058910][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.059039][  T288]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.059178][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.059312][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.059446][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.059579][  T288]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.059709][  T288]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.059841][  T288]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.059975][  T288]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.060105][  T288]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.060287][  T288]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.060429][  T288]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.060561][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.060697][  T288]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.060829][  T288]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.060961][  T288]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.061097][  T288]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.061237][  T288]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.061368][  T288]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.061535][  T288]  ? move_addr_to_kernel (net/socket.c:258)
[   15.061667][  T288]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.061797][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.061927][  T288]  ___sys_sendmsg (net/socket.c:2752)
[   15.062057][  T288]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.062230][  T288]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.062370][  T288]  __sys_sendmsg (net/socket.c:2784)
[   15.062505][  T288]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.062637][  T288]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.062801][  T288]  ? 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)
[   15.062934][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.063066][  T288]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.063208][  T288]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.063338][  T288]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.063474][  T288]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.063636][  T288] RIP: 0033:0x7f6875fca08e
[   15.063776][  T288] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.064262][  T288] RSP: 002b:00007ffeca357a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.064467][  T288] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6875fca08e
[   15.064665][  T288] RDX: 0000000000000000 RSI: 00007ffeca357ac0 RDI: 0000000000000005
[   15.064864][  T288] RBP: 00007ffeca357a20 R08: 0000000000000000 R09: 0000000000000000
[   15.065062][  T288] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   15.065269][  T288] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeca358190
| [   15.066594][  T288] ---[ end trace 0000000000000000 ]---
| [   15.067905][   T39] ------------[ cut here ]------------
| [   15.068031][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   15.068561][   T39] Tainted: [W]=WARN
[   15.068674][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.068829][   T39] Workqueue: events_unbound linkwatch_event
[   15.068988][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.069146][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.069593][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   15.069744][   T39] RAX: 00000000ffffffa6 RBX: ff1100000e74b8c0 RCX: 1ff4000000057f02
[   15.069936][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e74b978
[   15.070122][   T39] RBP: ff11000008d54000 R08: 1fe2200001ce9730 R09: ff11000001d951a8
[   15.070315][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.070510][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.070690][   T39] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   15.070901][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.071051][   T39] CR2: 00007f68760601a0 CR3: 000000000b7d9006 CR4: 0000000000771ef0
[   15.071257][   T39] PKRU: 55555554
[   15.071349][   T39] Call Trace:
[   15.071445][   T39]  <TASK>
[   15.071509][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.071631][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.071758][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.071851][   T39]  netif_state_change (net/core/dev.c:1605)
[   15.071974][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.072127][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.072281][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.072414][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.072538][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.072660][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.072798][   T39]  process_one_work (kernel/workqueue.c:3314)
[   15.072928][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.073049][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.073182][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.073308][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.073434][   T39]  kthread (kernel/kthread.c:436)
[   15.073528][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.073682][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.073802][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.073927][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.074077][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.074207][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.074327][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.075496][   T39] ---[ end trace 0000000000000000 ]---
| [   15.076208][   T39] ------------[ cut here ]------------
| [   15.076343][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   15.076885][   T39] Tainted: [W]=WARN
[   15.076976][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.077125][   T39] Workqueue: events_unbound linkwatch_event
[   15.077292][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.077785][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.078236][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   15.078386][   T39] RAX: 00000000ffffffa6 RBX: ff1100000e49c040 RCX: 1ff4000000057f02
[   15.078624][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e49c0f8
[   15.078853][   T39] RBP: ff11000008871000 R08: 1fe2200001c93820 R09: ff11000001d951a8
[   15.079032][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.079241][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.079472][   T39] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   15.079684][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.079836][   T39] CR2: 00007f68760601a0 CR3: 0000000016549001 CR4: 0000000000771ef0
[   15.080023][   T39] PKRU: 55555554
[   15.080114][   T39] Call Trace:
[   15.080218][   T39]  <TASK>
[   15.080281][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.080450][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.080575][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.080668][   T39]  netif_state_change (net/core/dev.c:1605)
[   15.080789][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.080946][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.081067][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.081202][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.081326][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.081497][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.081620][   T39]  process_one_work (kernel/workqueue.c:3314)
[   15.081746][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.081866][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.081991][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.082115][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.082245][   T39]  kthread (kernel/kthread.c:436)
[   15.082343][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.082546][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.082667][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.082788][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.082941][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.083063][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.083195][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.084453][   T39] ---[ end trace 0000000000000000 ]---
| [   15.107180][  T289] ------------[ cut here ]------------
| [   15.107377][  T289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/289
| [   15.107993][  T289] Tainted: [W]=WARN
[   15.108142][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.108388][  T289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.108626][  T289] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.109146][  T289] RSP: 0018:ffa0000000bf6e20 EFLAGS: 00010286
[   15.109406][  T289] RAX: 00000000ffffffa6 RBX: ff11000010a96580 RCX: 1ff400000017ed8a
[   15.109654][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a96638
[   15.109902][  T289] RBP: ff1100001fe99000 R08: 1fe2200002152cc8 R09: ff11000005d15180
[   15.110149][  T289] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.110428][  T289] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f84788
[   15.110692][  T289] FS:  00007f290f82d840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   15.110973][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.111200][  T289] CR2: 000000000042ebe0 CR3: 0000000004ebf004 CR4: 0000000000771ef0
[   15.111467][  T289] PKRU: 55555554
[   15.111613][  T289] Call Trace:
[   15.111773][  T289]  <TASK>
[   15.111890][  T289]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.112074][  T289]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.112241][  T289]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   15.112469][  T289]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   15.112651][  T289]  __dev_notify_flags (net/core/dev.c:9787)
[   15.112833][  T289]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   15.113029][  T289]  ? netif_change_name (net/core/dev.c:1495)
[   15.113226][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.113421][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.113603][  T289]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.113784][  T289]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.113966][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.114150][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.114352][  T289]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.114563][  T289]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.114745][  T289]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.114926][  T289]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.115109][  T289]  veth_newlink (drivers/net/veth.c:1871)
[   15.115314][  T289]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   15.115510][  T289]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.115692][  T289]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.115886][  T289]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.116080][  T289]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.116282][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.116480][  T289]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.116661][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.116845][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.117027][  T289]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.117241][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.117437][  T289]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.117620][  T289]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.117806][  T289]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.118009][  T289]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.118210][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.118410][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.118592][  T289]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.118791][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.118984][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.119177][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.119368][  T289]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.119578][  T289]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.119764][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.119948][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.120145][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.120345][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.120540][  T289]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.120722][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.120908][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.121088][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.121289][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.121483][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.121678][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.121862][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.122044][  T289]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.122245][  T289]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.122442][  T289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.122623][  T289]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.122807][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.123035][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   15.123242][  T289]  ___sys_sendmsg (net/socket.c:2752)
[   15.123441][  T289]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.123629][  T289]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.123848][  T289]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.124033][  T289]  __sys_sendmsg (net/socket.c:2784)
[   15.124233][  T289]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.124432][  T289]  ? 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)
[   15.124631][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.124828][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.125010][  T289]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.125204][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.125416][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.125631][  T289] RIP: 0033:0x7f290fa6708e
[   15.125819][  T289] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.126371][  T289] RSP: 002b:00007ffdb7b13440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.126640][  T289] RAX: ffffffffffffffda RBX: 00007ffdb7b13be8 RCX: 00007f290fa6708e
[   15.126892][  T289] RDX: 0000000000000000 RSI: 00007ffdb7b134f0 RDI: 0000000000000005
[   15.127158][  T289] RBP: 00007ffdb7b13450 R08: 0000000000000000 R09: 0000000000000000
[   15.127442][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   15.127689][  T289] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb7b13bb0
| [   15.129442][  T289] ---[ end trace 0000000000000000 ]---
| [   15.143238][  T289] ------------[ cut here ]------------
| [   15.143385][  T289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/289
| [   15.143904][  T289] Tainted: [W]=WARN
[   15.144007][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.144181][  T289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.144355][  T289] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.144836][  T289] RSP: 0018:ffa0000000bf71a0 EFLAGS: 00010286
[   15.145011][  T289] RAX: 00000000ffffffa6 RBX: ff1100000e7e5380 RCX: 1ff400000017edfa
[   15.145220][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e7e5438
[   15.145425][  T289] RBP: ff1100001fe8c000 R08: 1fe2200001cfca88 R09: ff11000005d15180
[   15.145629][  T289] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.145831][  T289] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   15.146033][  T289] FS:  00007f290f82d840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   15.146277][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.146449][  T289] CR2: 000055cfb0bebd5c CR3: 0000000004ebf004 CR4: 0000000000771ef0
[   15.146648][  T289] PKRU: 55555554
[   15.146750][  T289] Call Trace:
[   15.146849][  T289]  <TASK>
[   15.146919][  T289]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.147054][  T289]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.147157][  T289]  __dev_notify_flags (net/core/dev.c:9787)
[   15.147300][  T289]  ? netif_change_name (net/core/dev.c:1495)
[   15.147440][  T289]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.147573][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.147708][  T289]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.147843][  T289]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.147987][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.148120][  T289]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.148262][  T289]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.148404][  T289]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.148541][  T289]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.148676][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.148809][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.148943][  T289]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.149080][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.149227][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.149362][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.149503][  T289]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.149637][  T289]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.149773][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.149909][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.150041][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.150182][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.150321][  T289]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.150460][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.150599][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.150732][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.150867][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.151001][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.151138][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.151283][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.151423][  T289]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.151558][  T289]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.151691][  T289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.151823][  T289]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.151957][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.152123][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   15.152273][  T289]  ___sys_sendmsg (net/socket.c:2752)
[   15.152414][  T289]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.152558][  T289]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.152727][  T289]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.152865][  T289]  __sys_sendmsg (net/socket.c:2784)
[   15.153003][  T289]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.153140][  T289]  ? 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)
[   15.153280][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.153422][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.153556][  T289]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.153688][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.153822][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.153987][  T289] RIP: 0033:0x7f290fa6708e
[   15.154126][  T289] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.154622][  T289] RSP: 002b:00007ffdb7b13440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.154823][  T289] RAX: ffffffffffffffda RBX: 00007ffdb7b13be8 RCX: 00007f290fa6708e
[   15.155023][  T289] RDX: 0000000000000000 RSI: 00007ffdb7b134f0 RDI: 0000000000000005
[   15.155234][  T289] RBP: 00007ffdb7b13450 R08: 0000000000000000 R09: 0000000000000000
[   15.155441][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   15.155641][  T289] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb7b13bb0
| [   15.156992][  T289] ---[ end trace 0000000000000000 ]---
| [   15.238058][  T292] ------------[ cut here ]------------
| [   15.238226][  T292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/292
| [   15.238729][  T292] Tainted: [W]=WARN
[   15.238827][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.238989][  T292] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.239177][  T292] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.239653][  T292] RSP: 0018:ffa0000000bf7020 EFLAGS: 00010286
[   15.239816][  T292] RAX: 00000000ffffffa6 RBX: ff11000010929a80 RCX: 1ff400000017edca
[   15.240010][  T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010929b38
[   15.240215][  T292] RBP: ff1100001fe8c000 R08: 1fe2200002125368 R09: ff11000004ded158
[   15.240412][  T292] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.240606][  T292] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001fe8cce1
[   15.240806][  T292] FS:  00007f501b6dd840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   15.241038][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.241210][  T292] CR2: 000000000729c988 CR3: 000000000e424006 CR4: 0000000000771ef0
[   15.241409][  T292] PKRU: 55555554
[   15.241507][  T292] Call Trace:
[   15.241606][  T292]  <TASK>
[   15.241677][  T292]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.241816][  T292]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.241917][  T292]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.242047][  T292]  __dev_notify_flags (net/core/dev.c:9787)
[   15.242186][  T292]  ? netif_change_name (net/core/dev.c:1495)
[   15.242318][  T292]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.242459][  T292]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   15.242589][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.242720][  T292]  ? 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))
[   15.242853][  T292]  netif_change_flags (net/core/dev.c:9820)
[   15.242985][  T292]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.243120][  T292]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.243262][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.243509][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.243642][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.243772][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.243906][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.244108][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.244247][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.244379][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.244594][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.244725][  T292]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.244855][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.244986][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.245119][  T292]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.245262][  T292]  ? __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)
[   15.245458][  T292]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.245590][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.245724][  T292]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.245860][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.245997][  T292]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.246130][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.246272][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.246490][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.246624][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.246755][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.246887][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.247019][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.247150][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.247290][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.247492][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.247627][  T292]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.247762][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.247895][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.248027][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.248172][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.248303][  T292]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.248499][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.248634][  T292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.248766][  T292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.248902][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.249034][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.249175][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.249308][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.249466][  T292]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.249602][  T292]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.249734][  T292]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.249870][  T292]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.250003][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.250177][  T292]  ? move_addr_to_kernel (net/socket.c:258)
[   15.250315][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.250457][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.250588][  T292]  ___sys_sendmsg (net/socket.c:2752)
[   15.250717][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.250880][  T292]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.251023][  T292]  __sys_sendmsg (net/socket.c:2784)
[   15.251153][  T292]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.251301][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.251475][  T292]  ? 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)
[   15.251607][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.251738][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.251868][  T292]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.251999][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.252135][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.252306][  T292] RIP: 0033:0x7f501b91708e
[   15.252445][  T292] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.252909][  T292] RSP: 002b:00007ffe0bc90010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.253105][  T292] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f501b91708e
[   15.253316][  T292] RDX: 0000000000000000 RSI: 00007ffe0bc900c0 RDI: 0000000000000005
[   15.253517][  T292] RBP: 00007ffe0bc90020 R08: 0000000000000000 R09: 0000000000000000
[   15.253710][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   15.253908][  T292] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0bc90790
| [   15.255243][  T292] ---[ end trace 0000000000000000 ]---
| [   15.342382][  T295] ------------[ cut here ]------------
| [   15.342550][  T295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/295
| [   15.343056][  T295] Tainted: [W]=WARN
[   15.343159][  T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.343335][  T295] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.343513][  T295] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.343983][  T295] RSP: 0018:ffa0000000c27020 EFLAGS: 00010286
[   15.344152][  T295] RAX: 00000000ffffffa6 RBX: ff11000010972200 RCX: 1ff4000000184dca
[   15.344357][  T295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000109722b8
[   15.344559][  T295] RBP: ff1100001fe99000 R08: 1fe220000212e458 R09: ff11000010b05158
[   15.344755][  T295] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.344951][  T295] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001fe99ce1
[   15.345173][  T295] FS:  00007f35d9fe9840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   15.345410][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.345576][  T295] CR2: 0000000006933988 CR3: 000000001fe7d005 CR4: 0000000000771ef0
[   15.345777][  T295] PKRU: 55555554
[   15.345902][  T295] Call Trace:
[   15.346001][  T295]  <TASK>
[   15.346069][  T295]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.346213][  T295]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.346315][  T295]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.346454][  T295]  __dev_notify_flags (net/core/dev.c:9787)
[   15.346588][  T295]  ? netif_change_name (net/core/dev.c:1495)
[   15.346720][  T295]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.346853][  T295]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   15.346985][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.347118][  T295]  ? 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))
[   15.347263][  T295]  netif_change_flags (net/core/dev.c:9820)
[   15.347412][  T295]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.347549][  T295]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.347682][  T295]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.347848][  T295]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.347981][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.348113][  T295]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.348257][  T295]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.348391][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.348533][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.348667][  T295]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.348801][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.348936][  T295]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.349067][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.349208][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.349341][  T295]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.349484][  T295]  ? __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)
[   15.349617][  T295]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.349749][  T295]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.349883][  T295]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.350017][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.350153][  T295]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.350297][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.350435][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.350566][  T295]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.350700][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.350833][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.350967][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.351099][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.351243][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.351375][  T295]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.351515][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.351646][  T295]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.351778][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.351913][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.352045][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.352182][  T295]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.352315][  T295]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.352452][  T295]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.352588][  T295]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.352719][  T295]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.352853][  T295]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.352986][  T295]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.353119][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.353262][  T295]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.353399][  T295]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.353534][  T295]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.353666][  T295]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.353798][  T295]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.353952][  T295]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.354116][  T295]  ? move_addr_to_kernel (net/socket.c:258)
[   15.354258][  T295]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.354407][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.354542][  T295]  ___sys_sendmsg (net/socket.c:2752)
[   15.354672][  T295]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.354835][  T295]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.354979][  T295]  __sys_sendmsg (net/socket.c:2784)
[   15.355112][  T295]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.355252][  T295]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.355423][  T295]  ? 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)
[   15.355556][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.355688][  T295]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.355819][  T295]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.355952][  T295]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.356084][  T295]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.356257][  T295] RIP: 0033:0x7f35da22308e
[   15.356399][  T295] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.356870][  T295] RSP: 002b:00007fff3ae053f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.357070][  T295] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f35da22308e
[   15.357276][  T295] RDX: 0000000000000000 RSI: 00007fff3ae054a0 RDI: 0000000000000005
[   15.357475][  T295] RBP: 00007fff3ae05400 R08: 0000000000000000 R09: 0000000000000000
[   15.357672][  T295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   15.357868][  T295] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3ae05b70
| [   15.359211][  T295] ---[ end trace 0000000000000000 ]---
| [   15.360755][   T39] ------------[ cut here ]------------
| [   15.360922][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   15.361590][   T39] Tainted: [W]=WARN
[   15.361731][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.361933][   T39] Workqueue: events_unbound linkwatch_event
[   15.362139][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.362372][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.362904][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   15.363104][   T39] RAX: 00000000ffffffa6 RBX: ff110000109731c0 RCX: 1ff4000000057f02
[   15.363354][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010973278
[   15.363604][   T39] RBP: ff1100001fe99000 R08: 1fe220000212e650 R09: ff11000001d951a8
[   15.363848][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   15.364079][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.364329][   T39] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   15.364606][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.364821][   T39] CR2: 000055cfb0bebd5c CR3: 0000000004e90001 CR4: 0000000000771ef0
[   15.365071][   T39] PKRU: 55555554
[   15.365225][   T39] Call Trace:
[   15.365365][   T39]  <TASK>
[   15.365487][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.365660][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.365831][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.365973][   T39]  netif_state_change (net/core/dev.c:1605)
[   15.366159][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.366378][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.366569][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.366748][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.366920][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.367090][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.367283][   T39]  process_one_work (kernel/workqueue.c:3314)
[   15.367484][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.367658][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.367834][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.368010][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.368190][   T39]  kthread (kernel/kthread.c:436)
[   15.368335][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.368549][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.368733][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.368904][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.369104][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.369294][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.369475][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.371011][   T39] ---[ end trace 0000000000000000 ]---
| [   15.371624][   T39] ------------[ cut here ]------------
| [   15.371756][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   15.372304][   T39] Tainted: [W]=WARN
[   15.372406][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.372568][   T39] Workqueue: events_unbound linkwatch_event
[   15.372727][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.372886][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.373332][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   15.373504][   T39] RAX: 00000000ffffffa6 RBX: ff11000010973a80 RCX: 1ff4000000057f02
[   15.373686][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010973b38
[   15.373869][   T39] RBP: ff1100001fe8c000 R08: 1fe220000212e768 R09: ff11000001d951a8
[   15.374053][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.374242][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.374434][   T39] FS:  0000000000000000(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   15.374647][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.374800][   T39] CR2: 00007f47d9711574 CR3: 0000000016549005 CR4: 0000000000771ef0
[   15.374985][   T39] PKRU: 55555554
[   15.375077][   T39] Call Trace:
[   15.375178][   T39]  <TASK>
[   15.375243][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.375367][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.375496][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.375590][   T39]  netif_state_change (net/core/dev.c:1605)
[   15.375720][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.375875][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.375997][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.376121][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.376256][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.376379][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.376513][   T39]  process_one_work (kernel/workqueue.c:3314)
[   15.376639][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.376762][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.376889][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.377034][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.377156][   T39]  kthread (kernel/kthread.c:436)
[   15.377259][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.377426][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.377552][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.377674][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.377826][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.377952][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.378076][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.379274][   T39] ---[ end trace 0000000000000000 ]---
| [   15.409257][  T296] ------------[ cut here ]------------
| [   15.409573][  T296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/296
| [   15.410090][  T296] Tainted: [W]=WARN
[   15.410204][  T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.410375][  T296] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.410563][  T296] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.411056][  T296] RSP: 0018:ffa0000000c36e20 EFLAGS: 00010286
[   15.411237][  T296] RAX: 00000000ffffffa6 RBX: ff11000009407e00 RCX: 1ff4000000186d8a
[   15.411444][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009407eb8
[   15.411647][  T296] RBP: ff110000075c9000 R08: 1fe2200001280fd8 R09: ff11000010b02e80
[   15.411853][  T296] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.412057][  T296] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b1a9908
[   15.412272][  T296] FS:  00007f879f522840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   15.412518][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.412691][  T296] CR2: 000000000042ebe0 CR3: 000000001fe7d001 CR4: 0000000000771ef0
[   15.412900][  T296] PKRU: 55555554
[   15.413001][  T296] Call Trace:
[   15.413103][  T296]  <TASK>
[   15.413181][  T296]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.413319][  T296]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.413447][  T296]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   15.413622][  T296]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   15.413760][  T296]  __dev_notify_flags (net/core/dev.c:9787)
[   15.413898][  T296]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   15.414036][  T296]  ? netif_change_name (net/core/dev.c:1495)
[   15.414181][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.414319][  T296]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.414461][  T296]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.414598][  T296]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.414736][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.414873][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.415011][  T296]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.415149][  T296]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.415298][  T296]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.415439][  T296]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.415578][  T296]  veth_newlink (drivers/net/veth.c:1871)
[   15.415720][  T296]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   15.415855][  T296]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.415993][  T296]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.416129][  T296]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.416304][  T296]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.416453][  T296]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.416591][  T296]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.416730][  T296]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.416869][  T296]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.417014][  T296]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.417154][  T296]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.417299][  T296]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.417442][  T296]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.417585][  T296]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.417728][  T296]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.417867][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.418009][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.418147][  T296]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.418295][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.418441][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.418579][  T296]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.418714][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.418851][  T296]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.418986][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.419124][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.419268][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.419408][  T296]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.419545][  T296]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.419680][  T296]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.419817][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.419953][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.420091][  T296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.420238][  T296]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.420375][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.420519][  T296]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.420656][  T296]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.420794][  T296]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.420931][  T296]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.421068][  T296]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.421225][  T296]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.421399][  T296]  ? move_addr_to_kernel (net/socket.c:258)
[   15.421541][  T296]  ___sys_sendmsg (net/socket.c:2752)
[   15.421678][  T296]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.421817][  T296]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.421990][  T296]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.422128][  T296]  __sys_sendmsg (net/socket.c:2784)
[   15.422278][  T296]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.422423][  T296]  ? 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)
[   15.422560][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.422698][  T296]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.422835][  T296]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.422971][  T296]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.423108][  T296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.423284][  T296] RIP: 0033:0x7f879f75c08e
[   15.423434][  T296] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.423918][  T296] RSP: 002b:00007ffc2d048c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.424123][  T296] RAX: ffffffffffffffda RBX: 00007ffc2d049408 RCX: 00007f879f75c08e
[   15.424339][  T296] RDX: 0000000000000000 RSI: 00007ffc2d048d10 RDI: 0000000000000005
[   15.424546][  T296] RBP: 00007ffc2d048c70 R08: 0000000000000000 R09: 0000000000000000
[   15.424747][  T296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   15.424952][  T296] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2d0493d0
| [   15.426329][  T296] ---[ end trace 0000000000000000 ]---
| [   15.432588][  T296] ------------[ cut here ]------------
| [   15.432729][  T296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/296
| [   15.433246][  T296] Tainted: [W]=WARN
[   15.433348][  T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.434058][  T296] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.434304][  T296] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.434847][  T296] RSP: 0018:ffa0000000c371a0 EFLAGS: 00010286
[   15.435018][  T296] RAX: 00000000ffffffa6 RBX: ff11000008cd3a80 RCX: 1ff4000000186dfa
[   15.435228][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cd3b38
[   15.435489][  T296] RBP: ff110000200b4000 R08: 1fe220000119a768 R09: ff11000010b02e80
[   15.435690][  T296] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.435890][  T296] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   15.436092][  T296] FS:  00007f879f522840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   15.436338][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.436566][  T296] CR2: 000000000042ebe0 CR3: 000000001fe7d001 CR4: 0000000000771ef0
[   15.436768][  T296] PKRU: 55555554
[   15.436870][  T296] Call Trace:
[   15.436971][  T296]  <TASK>
[   15.437039][  T296]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.437181][  T296]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.437285][  T296]  __dev_notify_flags (net/core/dev.c:9787)
[   15.437478][  T296]  ? netif_change_name (net/core/dev.c:1495)
[   15.437615][  T296]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.437749][  T296]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.437886][  T296]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.438021][  T296]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.438157][  T296]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.438300][  T296]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.438492][  T296]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.438631][  T296]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.438769][  T296]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.438908][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.439041][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.439180][  T296]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.439317][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.439508][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.439661][  T296]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.439796][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.439947][  T296]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.440094][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.440250][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.440382][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.440574][  T296]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.440709][  T296]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.440842][  T296]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.440980][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.441112][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.441257][  T296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.441392][  T296]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.441582][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.441717][  T296]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.441854][  T296]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.441989][  T296]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.442123][  T296]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.442265][  T296]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.442455][  T296]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.442621][  T296]  ? move_addr_to_kernel (net/socket.c:258)
[   15.442757][  T296]  ___sys_sendmsg (net/socket.c:2752)
[   15.442893][  T296]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.443029][  T296]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.443211][  T296]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.443347][  T296]  __sys_sendmsg (net/socket.c:2784)
[   15.443538][  T296]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.443676][  T296]  ? 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)
[   15.443809][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.443945][  T296]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.444078][  T296]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.444220][  T296]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.444352][  T296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.444577][  T296] RIP: 0033:0x7f879f75c08e
[   15.444718][  T296] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.445203][  T296] RSP: 002b:00007ffc2d048c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.445461][  T296] RAX: ffffffffffffffda RBX: 00007ffc2d049408 RCX: 00007f879f75c08e
[   15.445662][  T296] RDX: 0000000000000000 RSI: 00007ffc2d048d10 RDI: 0000000000000005
[   15.445863][  T296] RBP: 00007ffc2d048c70 R08: 0000000000000000 R09: 0000000000000000
[   15.446064][  T296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   15.446272][  T296] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2d0493d0
| [   15.447723][  T296] ---[ end trace 0000000000000000 ]---
| [   15.537530][  T299] ------------[ cut here ]------------
| [   15.537701][  T299] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/299
| [   15.538207][  T299] Tainted: [W]=WARN
[   15.538307][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.538478][  T299] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.538652][  T299] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.539121][  T299] RSP: 0018:ffa0000000c67020 EFLAGS: 00010286
[   15.539317][  T299] RAX: 00000000ffffffa6 RBX: ff11000002652200 RCX: 1ff400000018cdca
[   15.539536][  T299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026522b8
[   15.539737][  T299] RBP: ff110000200b4000 R08: 1fe22000004ca458 R09: ff1100000505ae58
[   15.539934][  T299] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   15.540129][  T299] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000200b4ce1
[   15.540341][  T299] FS:  00007f6a1e262840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   15.540581][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.540746][  T299] CR2: 00007f6a1e5321a0 CR3: 000000000e424004 CR4: 0000000000771ef0
[   15.540944][  T299] PKRU: 55555554
[   15.541043][  T299] Call Trace:
[   15.541141][  T299]  <TASK>
[   15.541215][  T299]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.541352][  T299]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.541459][  T299]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.541591][  T299]  __dev_notify_flags (net/core/dev.c:9787)
[   15.541726][  T299]  ? netif_change_name (net/core/dev.c:1495)
[   15.541860][  T299]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.541993][  T299]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   15.542126][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.542270][  T299]  ? 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))
[   15.542410][  T299]  netif_change_flags (net/core/dev.c:9820)
[   15.542544][  T299]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.542678][  T299]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.542812][  T299]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.542978][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.543111][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.543254][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.543386][  T299]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.543525][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.543659][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.543792][  T299]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.543925][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.544058][  T299]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.544200][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.544332][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.544471][  T299]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.544608][  T299]  ? __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)
[   15.544742][  T299]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.544876][  T299]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.545010][  T299]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.545145][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.545292][  T299]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.545433][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.545566][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.545699][  T299]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.545834][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.545967][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.546099][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.546242][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.546375][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.546515][  T299]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.546669][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.546802][  T299]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.546934][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.547067][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.547209][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.547343][  T299]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.547483][  T299]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.547616][  T299]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.547751][  T299]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.547882][  T299]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.548015][  T299]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.548148][  T299]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.548292][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.548433][  T299]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.548565][  T299]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.548698][  T299]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.548831][  T299]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.548962][  T299]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.549094][  T299]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.549266][  T299]  ? move_addr_to_kernel (net/socket.c:258)
[   15.549406][  T299]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.549539][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.549672][  T299]  ___sys_sendmsg (net/socket.c:2752)
[   15.549803][  T299]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.549969][  T299]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.550109][  T299]  __sys_sendmsg (net/socket.c:2784)
[   15.550247][  T299]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.550380][  T299]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.550550][  T299]  ? 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)
[   15.550682][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.550815][  T299]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.550950][  T299]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.551081][  T299]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.551222][  T299]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.551387][  T299] RIP: 0033:0x7f6a1e49c08e
[   15.551531][  T299] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.551996][  T299] RSP: 002b:00007ffe3e7ae590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.552205][  T299] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6a1e49c08e
[   15.552408][  T299] RDX: 0000000000000000 RSI: 00007ffe3e7ae640 RDI: 0000000000000005
[   15.552645][  T299] RBP: 00007ffe3e7ae5a0 R08: 0000000000000000 R09: 0000000000000000
[   15.552842][  T299] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3e
[   15.553039][  T299] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3e7aed10
| [   15.554373][  T299] ---[ end trace 0000000000000000 ]---
| [   15.564833][   T46] ------------[ cut here ]------------
| [   15.564973][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   15.565546][   T46] Tainted: [W]=WARN
[   15.565636][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.565788][   T46] Workqueue: events_unbound linkwatch_event
[   15.565946][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.566105][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.566553][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   15.566705][   T46] RAX: 00000000ffffffa6 RBX: ff110000026531c0 RCX: 1ff4000000065f02
[   15.566887][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002653278
[   15.567067][   T46] RBP: ff11000007bb9000 R08: 1fe22000004ca650 R09: ff11000002410ba8
[   15.567256][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   15.567450][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.567631][   T46] FS:  0000000000000000(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   15.567842][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.567996][   T46] CR2: 00007fcb9abb5574 CR3: 0000000016549006 CR4: 0000000000771ef0
[   15.568185][   T46] PKRU: 55555554
[   15.568276][   T46] Call Trace:
[   15.568366][   T46]  <TASK>
[   15.568436][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.568558][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.568686][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.568779][   T46]  netif_state_change (net/core/dev.c:1605)
[   15.568901][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.569055][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.569234][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.569355][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.569484][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.569604][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.569725][   T46]  process_one_work (kernel/workqueue.c:3314)
[   15.569848][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.569995][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.570119][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.570250][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.570371][   T46]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.570497][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.570618][   T46]  kthread (kernel/kthread.c:436)
[   15.570709][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.570862][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.570985][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.571106][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.571267][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.571388][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.571515][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.572675][   T46] ---[ end trace 0000000000000000 ]---
| [   15.656202][  T302] ------------[ cut here ]------------
| [   15.656362][  T302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/302
| [   15.656870][  T302] Tainted: [W]=WARN
[   15.656976][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.657142][  T302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.657320][  T302] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.657792][  T302] RSP: 0018:ffa0000000c97020 EFLAGS: 00010286
[   15.657961][  T302] RAX: 00000000ffffffa6 RBX: ff1100000e492580 RCX: 1ff4000000192dca
[   15.658162][  T302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e492638
[   15.658365][  T302] RBP: ff110000075c9000 R08: 1fe2200001c924c8 R09: ff11000004c22e58
[   15.658570][  T302] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.658767][  T302] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000075c9ce1
[   15.658970][  T302] FS:  00007f45262cc840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   15.659214][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.659386][  T302] CR2: 0000000036e27988 CR3: 0000000020069003 CR4: 0000000000771ef0
[   15.659589][  T302] PKRU: 55555554
[   15.659688][  T302] Call Trace:
[   15.659787][  T302]  <TASK>
[   15.659855][  T302]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.659992][  T302]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.660095][  T302]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.660237][  T302]  __dev_notify_flags (net/core/dev.c:9787)
[   15.660370][  T302]  ? netif_change_name (net/core/dev.c:1495)
[   15.660507][  T302]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.660639][  T302]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   15.660772][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.660906][  T302]  ? 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))
[   15.661041][  T302]  netif_change_flags (net/core/dev.c:9820)
[   15.661186][  T302]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.661332][  T302]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.661471][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.661635][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.661766][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.661899][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.662032][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.662180][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.662318][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.662454][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.662589][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.662721][  T302]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.662853][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.662985][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.663120][  T302]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.663263][  T302]  ? __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)
[   15.663403][  T302]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.663536][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.663670][  T302]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.663805][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.663940][  T302]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.664109][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.664262][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.664400][  T302]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.664534][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.664665][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.664797][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.664932][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.665065][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.665219][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.665355][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.665492][  T302]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.665622][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.665758][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.665888][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.666020][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.666151][  T302]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.666306][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.666444][  T302]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.666575][  T302]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.666708][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.666842][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.666977][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.667109][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.667250][  T302]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.667385][  T302]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.667524][  T302]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.667656][  T302]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.667787][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.667951][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   15.668084][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.668236][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.668372][  T302]  ___sys_sendmsg (net/socket.c:2752)
[   15.668507][  T302]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.668670][  T302]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.668812][  T302]  __sys_sendmsg (net/socket.c:2784)
[   15.668944][  T302]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.669074][  T302]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.669260][  T302]  ? 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)
[   15.669394][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.669530][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.669660][  T302]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.669790][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.669921][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.670082][  T302] RIP: 0033:0x7f452650608e
[   15.670227][  T302] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.670695][  T302] RSP: 002b:00007ffc15a0a6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.670894][  T302] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f452650608e
[   15.671090][  T302] RDX: 0000000000000000 RSI: 00007ffc15a0a770 RDI: 0000000000000005
[   15.671301][  T302] RBP: 00007ffc15a0a6d0 R08: 0000000000000000 R09: 0000000000000000
[   15.671507][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   15.671701][  T302] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc15a0ae40
| [   15.673041][  T302] ---[ end trace 0000000000000000 ]---
| [   15.674245][   T39] ------------[ cut here ]------------
| [   15.674378][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   15.674928][   T39] Tainted: [W]=WARN
[   15.675023][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.675186][   T39] Workqueue: events_unbound linkwatch_event
[   15.675348][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.675517][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.675966][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   15.676122][   T39] RAX: 00000000ffffffa6 RBX: ff11000009504c80 RCX: 1ff4000000057f02
[   15.676330][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009504d38
[   15.676532][   T39] RBP: ff110000075c9000 R08: 1fe22000012a09a8 R09: ff11000001d951a8
[   15.676715][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.676898][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.677086][   T39] FS:  0000000000000000(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   15.677307][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.677471][   T39] CR2: 00007f9f40f9d574 CR3: 0000000016549001 CR4: 0000000000771ef0
[   15.677654][   T39] PKRU: 55555554
[   15.677751][   T39] Call Trace:
[   15.677842][   T39]  <TASK>
[   15.677906][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.678029][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.678157][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.678261][   T39]  netif_state_change (net/core/dev.c:1605)
[   15.678385][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.678544][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.678665][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.678787][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.678912][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.679036][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.679161][   T39]  process_one_work (kernel/workqueue.c:3314)
[   15.679294][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.679421][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.679552][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.679679][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.679802][   T39]  kthread (kernel/kthread.c:436)
[   15.679895][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.680047][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.680178][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.680300][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.680459][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.680580][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.680701][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.681879][   T39] ---[ end trace 0000000000000000 ]---
| [   15.682512][   T39] ------------[ cut here ]------------
| [   15.682645][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   15.683176][   T39] Tainted: [W]=WARN
[   15.683275][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.683453][   T39] Workqueue: events_unbound linkwatch_event
[   15.683611][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.683769][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.684206][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   15.684357][   T39] RAX: 00000000ffffffa6 RBX: ff11000009504200 RCX: 1ff4000000057f02
[   15.684560][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095042b8
[   15.684745][   T39] RBP: ff110000200b4000 R08: 1fe22000012a0858 R09: ff11000001d951a8
[   15.684927][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   15.685106][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.685298][   T39] FS:  0000000000000000(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   15.685522][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.685674][   T39] CR2: 00007fcb9abb5574 CR3: 0000000016549006 CR4: 0000000000771ef0
[   15.685855][   T39] PKRU: 55555554
[   15.685946][   T39] Call Trace:
[   15.686036][   T39]  <TASK>
[   15.686100][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.686242][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.686364][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.686464][   T39]  netif_state_change (net/core/dev.c:1605)
[   15.686595][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.686745][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.686865][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.686988][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.687110][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.687253][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.687376][   T39]  process_one_work (kernel/workqueue.c:3314)
[   15.687508][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.687628][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.687754][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.687879][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.688002][   T39]  kthread (kernel/kthread.c:436)
[   15.688093][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.688266][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.688390][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.688520][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.688671][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.688792][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.688914][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.690111][   T39] ---[ end trace 0000000000000000 ]---
| [   15.717724][  T303] ------------[ cut here ]------------
| [   15.717913][  T303] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/303
| [   15.718550][  T303] Tainted: [W]=WARN
[   15.718701][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.718918][  T303] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.719143][  T303] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.719699][  T303] RSP: 0018:ffa0000000ca6e20 EFLAGS: 00010286
[   15.719918][  T303] RAX: 00000000ffffffa6 RBX: ff1100001fccd1c0 RCX: 1ff4000000194d8a
[   15.720178][  T303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001fccd278
[   15.720444][  T303] RBP: ff11000008851000 R08: 1fe2200003f99a50 R09: ff11000004c20b80
[   15.720696][  T303] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.720944][  T303] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005e1ae08
[   15.721205][  T303] FS:  00007fd38f311840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   15.721502][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.721725][  T303] CR2: 000000000042ebe0 CR3: 000000001fd5c003 CR4: 0000000000771ef0
[   15.721979][  T303] PKRU: 55555554
[   15.722127][  T303] Call Trace:
[   15.722293][  T303]  <TASK>
[   15.722422][  T303]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.722608][  T303]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.722759][  T303]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   15.722976][  T303]  __dev_notify_flags (net/core/dev.c:9787)
[   15.723164][  T303]  ? __mod_timer (kernel/time/timer.c:1139 (discriminator 3))
[   15.723366][  T303]  ? netif_change_name (net/core/dev.c:1495)
[   15.723564][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.723746][  T303]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.723929][  T303]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.724113][  T303]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.724317][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.724519][  T303]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.724703][  T303]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.724886][  T303]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.725070][  T303]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.725275][  T303]  veth_newlink (drivers/net/veth.c:1871)
[   15.725477][  T303]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   15.725659][  T303]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.725845][  T303]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.726028][  T303]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.726238][  T303]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.726436][  T303]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.726622][  T303]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.726807][  T303]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.726991][  T303]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.727188][  T303]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.727376][  T303]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.727574][  T303]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.727758][  T303]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.727948][  T303]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.728135][  T303]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.728335][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.728534][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.728719][  T303]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.728906][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.729091][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.729291][  T303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.729489][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.729673][  T303]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.729855][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.730041][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.730244][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.730442][  T303]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.730626][  T303]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.730810][  T303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.730997][  T303]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.731190][  T303]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.731380][  T303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.731580][  T303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.731764][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.731950][  T303]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.732135][  T303]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.732333][  T303]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.732533][  T303]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.732718][  T303]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.732901][  T303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.733118][  T303]  ? move_addr_to_kernel (net/socket.c:258)
[   15.733326][  T303]  ___sys_sendmsg (net/socket.c:2752)
[   15.733524][  T303]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.733710][  T303]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.733932][  T303]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.734116][  T303]  __sys_sendmsg (net/socket.c:2784)
[   15.734319][  T303]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.734518][  T303]  ? 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)
[   15.734701][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.734886][  T303]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.735069][  T303]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.735270][  T303]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.735469][  T303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.735686][  T303] RIP: 0033:0x7fd38f54b08e
[   15.735875][  T303] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.736437][  T303] RSP: 002b:00007ffe11e73bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.736689][  T303] RAX: ffffffffffffffda RBX: 00007ffe11e74378 RCX: 00007fd38f54b08e
[   15.736942][  T303] RDX: 0000000000000000 RSI: 00007ffe11e73c80 RDI: 0000000000000005
[   15.737204][  T303] RBP: 00007ffe11e73be0 R08: 0000000000000000 R09: 0000000000000000
[   15.737469][  T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   15.737716][  T303] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe11e74340
| [   15.739468][  T303] ---[ end trace 0000000000000000 ]---
| [   15.748201][  T303] ------------[ cut here ]------------
| [   15.748383][  T303] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/303
| [   15.748998][  T303] Tainted: [W]=WARN
[   15.749145][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.749387][  T303] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.749623][  T303] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.750146][  T303] RSP: 0018:ffa0000000ca71a0 EFLAGS: 00010286
[   15.750377][  T303] RAX: 00000000ffffffa6 RBX: ff1100000e402040 RCX: 1ff4000000194dfa
[   15.750702][  T303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e4020f8
[   15.751008][  T303] RBP: ff11000008a11000 R08: 1fe2200001c80420 R09: ff11000004c20b80
[   15.751326][  T303] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.751581][  T303] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   15.751830][  T303] FS:  00007fd38f311840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   15.752110][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.752346][  T303] CR2: 000000000042ebe0 CR3: 000000001fd5c003 CR4: 0000000000771ef0
[   15.752620][  T303] PKRU: 55555554
[   15.752768][  T303] Call Trace:
[   15.752915][  T303]  <TASK>
[   15.753032][  T303]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.753228][  T303]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.753382][  T303]  __dev_notify_flags (net/core/dev.c:9787)
[   15.753580][  T303]  ? netif_change_name (net/core/dev.c:1495)
[   15.753776][  T303]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.753958][  T303]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.754140][  T303]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.754339][  T303]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.754549][  T303]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.754730][  T303]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.754913][  T303]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.755099][  T303]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.755318][  T303]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.755516][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.755698][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.755877][  T303]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.756064][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.756265][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.756464][  T303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.756659][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.756839][  T303]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.757019][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.757216][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.757412][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.757597][  T303]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.757778][  T303]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.757960][  T303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.758157][  T303]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.758355][  T303]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.758550][  T303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.758732][  T303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.758913][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.759110][  T303]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.759314][  T303]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.759512][  T303]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.759707][  T303]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.759888][  T303]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.760068][  T303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.760298][  T303]  ? move_addr_to_kernel (net/socket.c:258)
[   15.760500][  T303]  ___sys_sendmsg (net/socket.c:2752)
[   15.760681][  T303]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.760865][  T303]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.761096][  T303]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.761293][  T303]  __sys_sendmsg (net/socket.c:2784)
[   15.761489][  T303]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.761673][  T303]  ? 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)
[   15.761853][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.762035][  T303]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.762233][  T303]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.762443][  T303]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.762626][  T303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.762838][  T303] RIP: 0033:0x7fd38f54b08e
[   15.763022][  T303] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.763569][  T303] RSP: 002b:00007ffe11e73bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.763831][  T303] RAX: ffffffffffffffda RBX: 00007ffe11e74378 RCX: 00007fd38f54b08e
[   15.764076][  T303] RDX: 0000000000000000 RSI: 00007ffe11e73c80 RDI: 0000000000000005
[   15.764341][  T303] RBP: 00007ffe11e73be0 R08: 0000000000000000 R09: 0000000000000000
[   15.764600][  T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   15.764860][  T303] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe11e74340
| [   15.766615][  T303] ---[ end trace 0000000000000000 ]---
| [   15.849735][  T306] ------------[ cut here ]------------
| [   15.849910][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/306
| [   15.850425][  T306] Tainted: [W]=WARN
[   15.850525][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.850692][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.850866][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.851348][  T306] RSP: 0018:ffa0000000cc7020 EFLAGS: 00010286
[   15.851520][  T306] RAX: 00000000ffffffa6 RBX: ff11000010a5e900 RCX: 1ff4000000198dca
[   15.851716][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a5e9b8
[   15.851913][  T306] RBP: ff11000008a11000 R08: 1fe220000214bd38 R09: ff1100000505d158
[   15.852110][  T306] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   15.852343][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a11ce1
[   15.852547][  T306] FS:  00007fe81b67a840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   15.852779][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.852945][  T306] CR2: 000000002012e988 CR3: 000000000e424003 CR4: 0000000000771ef0
[   15.853142][  T306] PKRU: 55555554
[   15.853263][  T306] Call Trace:
[   15.853360][  T306]  <TASK>
[   15.853434][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.853567][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.853668][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.853800][  T306]  __dev_notify_flags (net/core/dev.c:9787)
[   15.853933][  T306]  ? netif_change_name (net/core/dev.c:1495)
[   15.854066][  T306]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.854219][  T306]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   15.854354][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.854493][  T306]  ? 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))
[   15.854627][  T306]  netif_change_flags (net/core/dev.c:9820)
[   15.854764][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.854898][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.855032][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.855216][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.855354][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.855491][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.855622][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.855755][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.855892][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.856024][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.856155][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.856311][  T306]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.857074][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.857226][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.857361][  T306]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.857572][  T306]  ? __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)
[   15.857706][  T306]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.857837][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.857970][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.858104][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.858260][  T306]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.858444][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.858577][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.858707][  T306]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.858844][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.858976][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.859109][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.859254][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.859388][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.859528][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.859660][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.859793][  T306]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.859924][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.860056][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.860219][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.860355][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.860494][  T306]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.860627][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.860760][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.860893][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.861026][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.861160][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.861316][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.861456][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.861590][  T306]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.861724][  T306]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.861857][  T306]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.862001][  T306]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.862133][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.862319][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   15.862458][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.862591][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.862725][  T306]  ___sys_sendmsg (net/socket.c:2752)
[   15.862857][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.863023][  T306]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.863174][  T306]  __sys_sendmsg (net/socket.c:2784)
[   15.863319][  T306]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.863456][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.863622][  T306]  ? 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)
[   15.863755][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.863887][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.864019][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.864152][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.864306][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.864474][  T306] RIP: 0033:0x7fe81b8b408e
[   15.864613][  T306] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.865083][  T306] RSP: 002b:00007ffc418ae570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.865305][  T306] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe81b8b408e
[   15.865508][  T306] RDX: 0000000000000000 RSI: 00007ffc418ae620 RDI: 0000000000000005
[   15.865704][  T306] RBP: 00007ffc418ae580 R08: 0000000000000000 R09: 0000000000000000
[   15.865902][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   15.866100][  T306] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc418aecf0
| [   15.867447][  T306] ---[ end trace 0000000000000000 ]---
| [   15.950900][  T309] ------------[ cut here ]------------
| [   15.951062][  T309] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/309
| [   15.951583][  T309] Tainted: [W]=WARN
[   15.951683][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.951853][  T309] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.952032][  T309] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.952535][  T309] RSP: 0018:ffa0000000ce7020 EFLAGS: 00010286
[   15.952703][  T309] RAX: 00000000ffffffa6 RBX: ff1100000583b000 RCX: 1ff400000019cdca
[   15.952900][  T309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000583b0b8
[   15.953098][  T309] RBP: ff11000008851000 R08: 1fe2200000b07618 R09: ff1100000c925158
[   15.953320][  T309] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   15.953523][  T309] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008851ce1
[   15.953721][  T309] FS:  00007f013fab6840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   15.953955][  T309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.954123][  T309] CR2: 000000001262d988 CR3: 000000000e424005 CR4: 0000000000771ef0
[   15.954346][  T309] PKRU: 55555554
[   15.954453][  T309] Call Trace:
[   15.954551][  T309]  <TASK>
[   15.954619][  T309]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.954754][  T309]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.954855][  T309]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.954987][  T309]  __dev_notify_flags (net/core/dev.c:9787)
[   15.955121][  T309]  ? netif_change_name (net/core/dev.c:1495)
[   15.955264][  T309]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.955402][  T309]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   15.955535][  T309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.955667][  T309]  ? 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))
[   15.955801][  T309]  netif_change_flags (net/core/dev.c:9820)
[   15.955934][  T309]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.956067][  T309]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.956221][  T309]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.956390][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.956529][  T309]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.956662][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.956795][  T309]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.956930][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.957064][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.957215][  T309]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.957352][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.957547][  T309]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.957678][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.957809][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.957940][  T309]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.958072][  T309]  ? __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)
[   15.958263][  T309]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.958452][  T309]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.958587][  T309]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.958721][  T309]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.958855][  T309]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.958990][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.959122][  T309]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.959276][  T309]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.959466][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.959652][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.959785][  T309]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.959917][  T309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.960049][  T309]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.960192][  T309]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.960335][  T309]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.960523][  T309]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.960656][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.960788][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.960920][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.961052][  T309]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.961199][  T309]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   15.961339][  T309]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.961530][  T309]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.961662][  T309]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.961798][  T309]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.961932][  T309]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.962065][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.962219][  T309]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.962355][  T309]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.962545][  T309]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.962678][  T309]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.962810][  T309]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.962942][  T309]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.963106][  T309]  ? move_addr_to_kernel (net/socket.c:258)
[   15.963248][  T309]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.963380][  T309]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.963572][  T309]  ___sys_sendmsg (net/socket.c:2752)
[   15.963702][  T309]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.963867][  T309]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.964008][  T309]  __sys_sendmsg (net/socket.c:2784)
[   15.964141][  T309]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.964293][  T309]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.964516][  T309]  ? 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)
[   15.964651][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.964784][  T309]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.964916][  T309]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.965047][  T309]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.965190][  T309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.965363][  T309] RIP: 0033:0x7f013fcf008e
[   15.965562][  T309] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.966034][  T309] RSP: 002b:00007ffe67a19e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.966259][  T309] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f013fcf008e
[   15.966513][  T309] RDX: 0000000000000000 RSI: 00007ffe67a19ed0 RDI: 0000000000000005
[   15.966711][  T309] RBP: 00007ffe67a19e30 R08: 0000000000000000 R09: 0000000000000000
[   15.966909][  T309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   15.967105][  T309] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe67a1a5a0
| [   15.968579][  T309] ---[ end trace 0000000000000000 ]---
| [   15.970854][   T46] ------------[ cut here ]------------
| [   15.970980][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   15.971524][   T46] Tainted: [W]=WARN
[   15.971618][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.971772][   T46] Workqueue: events_unbound linkwatch_event
[   15.971933][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.972092][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.972567][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   15.972720][   T46] RAX: 00000000ffffffa6 RBX: ff11000008e62040 RCX: 1ff4000000065f02
[   15.972902][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008e620f8
[   15.973083][   T46] RBP: ff11000008851000 R08: 1fe22000011cc420 R09: ff11000002410ba8
[   15.973286][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.973483][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.973667][   T46] FS:  0000000000000000(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   15.973881][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.974037][   T46] CR2: 000000001262d988 CR3: 0000000016549001 CR4: 0000000000771ef0
[   15.974244][   T46] PKRU: 55555554
[   15.974336][   T46] Call Trace:
[   15.974434][   T46]  <TASK>
[   15.974498][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.974623][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.974752][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.974845][   T46]  netif_state_change (net/core/dev.c:1605)
[   15.974970][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.975126][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.975270][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.975400][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.975525][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.975646][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.975771][   T46]  process_one_work (kernel/workqueue.c:3314)
[   15.975899][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.976021][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.976148][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.976294][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.976424][   T46]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.976552][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.976673][   T46]  kthread (kernel/kthread.c:436)
[   15.976766][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.976918][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.977041][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.977169][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.977341][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.977522][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.977645][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.978914][   T46] ---[ end trace 0000000000000000 ]---
| [   15.981276][   T46] ------------[ cut here ]------------
| [   15.981409][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   15.981931][   T46] Tainted: [W]=WARN
[   15.982025][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.982194][   T46] Workqueue: events_unbound linkwatch_event
[   15.982360][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.982527][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.982969][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   15.983129][   T46] RAX: 00000000ffffffa6 RBX: ff11000010a4fc40 RCX: 1ff4000000065f02
[   15.983334][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a4fcf8
[   15.983533][   T46] RBP: ff11000008a11000 R08: 1fe2200002149fa0 R09: ff11000002410ba8
[   15.983716][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.983900][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.984083][   T46] FS:  0000000000000000(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   15.984304][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.984464][   T46] CR2: 000000001262d988 CR3: 0000000016549001 CR4: 0000000000771ef0
[   15.984655][   T46] PKRU: 55555554
[   15.984748][   T46] Call Trace:
[   15.984839][   T46]  <TASK>
[   15.984904][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.985029][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.985154][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.985259][   T46]  netif_state_change (net/core/dev.c:1605)
[   15.985384][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.985546][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.985672][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.985797][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.985922][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.986065][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   15.986211][   T46]  process_one_work (kernel/workqueue.c:3314)
[   15.986342][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.986469][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.986597][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.986723][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.986846][   T46]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.986971][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.987095][   T46]  kthread (kernel/kthread.c:436)
[   15.987200][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.987352][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.987481][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.987604][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.987759][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.987884][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.988010][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.989270][   T46] ---[ end trace 0000000000000000 ]---
| [   16.026653][  T310] ------------[ cut here ]------------
| [   16.026810][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/310
| [   16.027338][  T310] Tainted: [W]=WARN
[   16.027445][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.027615][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.027794][  T310] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.028287][  T310] RSP: 0018:ffa0000000cf6e20 EFLAGS: 00010286
[   16.028464][  T310] RAX: 00000000ffffffa6 RBX: ff11000010a75540 RCX: 1ff400000019ed8a
[   16.028667][  T310] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a755f8
[   16.028869][  T310] RBP: ff11000005bfc000 R08: 1fe220000214eac0 R09: ff1100000ca02e80
[   16.029070][  T310] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.029280][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e4b4088
[   16.029490][  T310] FS:  00007f2792e8f840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   16.029732][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.029903][  T310] CR2: 000000000042ebe0 CR3: 0000000010bd8005 CR4: 0000000000771ef0
[   16.030107][  T310] PKRU: 55555554
[   16.030216][  T310] Call Trace:
[   16.030317][  T310]  <TASK>
[   16.030387][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.030529][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.030632][  T310]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   16.030800][  T310]  __dev_notify_flags (net/core/dev.c:9787)
[   16.030935][  T310]  ? __mod_timer (kernel/time/timer.c:1139 (discriminator 3))
[   16.031072][  T310]  ? netif_change_name (net/core/dev.c:1495)
[   16.031217][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.031353][  T310]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.031492][  T310]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.031628][  T310]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.031764][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.031900][  T310]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.032036][  T310]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.032180][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.032316][  T310]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   16.032458][  T310]  veth_newlink (drivers/net/veth.c:1871)
[   16.032596][  T310]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   16.032731][  T310]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.032867][  T310]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.033004][  T310]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.033152][  T310]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   16.033310][  T310]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   16.033453][  T310]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   16.033590][  T310]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   16.033728][  T310]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   16.033867][  T310]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   16.034005][  T310]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.034140][  T310]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.034284][  T310]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.034430][  T310]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.034572][  T310]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.034710][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.034845][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.034981][  T310]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.035120][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.035268][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.035408][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.035546][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.035682][  T310]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.035817][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.035955][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.036089][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.036242][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.036376][  T310]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.036517][  T310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.036654][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.036791][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.036929][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.037066][  T310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.037212][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.037348][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.037491][  T310]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.037627][  T310]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.037764][  T310]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.037899][  T310]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.038034][  T310]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.038214][  T310]  ? move_addr_to_kernel (net/socket.c:258)
[   16.038352][  T310]  ___sys_sendmsg (net/socket.c:2752)
[   16.038516][  T310]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.038658][  T310]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.038834][  T310]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   16.038971][  T310]  __sys_sendmsg (net/socket.c:2784)
[   16.039108][  T310]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.039253][  T310]  ? 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)
[   16.039389][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.039530][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.039666][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.039800][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.039936][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.040102][  T310] RIP: 0033:0x7f27930c908e
[   16.040250][  T310] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.040741][  T310] RSP: 002b:00007ffcca73c390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.040945][  T310] RAX: ffffffffffffffda RBX: 00007ffcca73cb38 RCX: 00007f27930c908e
[   16.041148][  T310] RDX: 0000000000000000 RSI: 00007ffcca73c440 RDI: 0000000000000005
[   16.041372][  T310] RBP: 00007ffcca73c3a0 R08: 0000000000000000 R09: 0000000000000000
[   16.041578][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   16.041780][  T310] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcca73cb00
| [   16.043137][  T310] ---[ end trace 0000000000000000 ]---
| [   16.055279][  T310] ------------[ cut here ]------------
| [   16.055662][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/310
| [   16.056168][  T310] Tainted: [W]=WARN
[   16.056290][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.056463][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.056636][  T310] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.057108][  T310] RSP: 0018:ffa0000000cf71a0 EFLAGS: 00010286
[   16.057298][  T310] RAX: 00000000ffffffa6 RBX: ff1100000e49d540 RCX: 1ff400000019edfa
[   16.057504][  T310] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e49d5f8
[   16.057703][  T310] RBP: ff1100000a4a1000 R08: 1fe2200001c93ac0 R09: ff1100000ca02e80
[   16.057902][  T310] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.058101][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   16.058309][  T310] FS:  00007f2792e8f840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   16.058547][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.058715][  T310] CR2: 000000000042ebe0 CR3: 0000000010bd8005 CR4: 0000000000771ef0
[   16.058916][  T310] PKRU: 55555554
[   16.059015][  T310] Call Trace:
[   16.059115][  T310]  <TASK>
[   16.059193][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.059328][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.059434][  T310]  __dev_notify_flags (net/core/dev.c:9787)
[   16.059569][  T310]  ? netif_change_name (net/core/dev.c:1495)
[   16.059704][  T310]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   16.059838][  T310]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   16.059972][  T310]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.060108][  T310]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.060249][  T310]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.060382][  T310]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.060522][  T310]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.060661][  T310]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.060798][  T310]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.060934][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.061067][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.062226][  T310]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.063343][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.063484][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.063620][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.063752][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.063905][  T310]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.064046][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.064185][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.064316][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.064454][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.064586][  T310]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.064722][  T310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.064858][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.064992][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.065128][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.065288][  T310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.065428][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.065563][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.065700][  T310]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.065835][  T310]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.065971][  T310]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.066104][  T310]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.066245][  T310]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.066416][  T310]  ? move_addr_to_kernel (net/socket.c:258)
[   16.066554][  T310]  ___sys_sendmsg (net/socket.c:2752)
[   16.066688][  T310]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.066827][  T310]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.066998][  T310]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   16.067133][  T310]  __sys_sendmsg (net/socket.c:2784)
[   16.067276][  T310]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.067417][  T310]  ? 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)
[   16.067551][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.067685][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.067820][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.067953][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.068086][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.068264][  T310] RIP: 0033:0x7f27930c908e
[   16.068409][  T310] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.068884][  T310] RSP: 002b:00007ffcca73c390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.069084][  T310] RAX: ffffffffffffffda RBX: 00007ffcca73cb38 RCX: 00007f27930c908e
[   16.069295][  T310] RDX: 0000000000000000 RSI: 00007ffcca73c440 RDI: 0000000000000005
[   16.069500][  T310] RBP: 00007ffcca73c3a0 R08: 0000000000000000 R09: 0000000000000000
[   16.069700][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   16.069899][  T310] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcca73cb00
| [   16.071250][  T310] ---[ end trace 0000000000000000 ]---
| [   16.153218][  T313] ------------[ cut here ]------------
| [   16.153376][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/313
| [   16.154119][  T313] Tainted: [W]=WARN
[   16.154247][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.154420][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.154596][  T313] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.155070][  T313] RSP: 0018:ffa0000000d27020 EFLAGS: 00010286
[   16.155247][  T313] RAX: 00000000ffffffa6 RBX: ff11000008e63000 RCX: 1ff40000001a4dca
[   16.155454][  T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008e630b8
[   16.155654][  T313] RBP: ff1100000a4a1000 R08: 1fe22000011cc618 R09: ff11000005d15158
[   16.155851][  T313] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.156049][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a4a1ce1
[   16.156256][  T313] FS:  00007f00f51aa840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   16.156498][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.156666][  T313] CR2: 00000000053de988 CR3: 00000000202af001 CR4: 0000000000771ef0
[   16.156865][  T313] PKRU: 55555554
[   16.156967][  T313] Call Trace:
[   16.157068][  T313]  <TASK>
[   16.157136][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.157279][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.157379][  T313]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.157518][  T313]  __dev_notify_flags (net/core/dev.c:9787)
[   16.157651][  T313]  ? netif_change_name (net/core/dev.c:1495)
[   16.157785][  T313]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.157919][  T313]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   16.158050][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.158190][  T313]  ? 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))
[   16.158325][  T313]  netif_change_flags (net/core/dev.c:9820)
[   16.158465][  T313]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.158599][  T313]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.158733][  T313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.158900][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.159032][  T313]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.159169][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.159323][  T313]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.159487][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.159628][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.159760][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.159892][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.160025][  T313]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.160159][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.160299][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.160438][  T313]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.160573][  T313]  ? __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)
[   16.160706][  T313]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.160837][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.160971][  T313]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.161105][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.161248][  T313]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.161383][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.161520][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.161653][  T313]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.161787][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.161919][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.162051][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.162195][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.162328][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.162465][  T313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.162608][  T313]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.162742][  T313]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.162875][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.163010][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.163169][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.163310][  T313]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.163446][  T313]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.163579][  T313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.163713][  T313]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.163845][  T313]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.163980][  T313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.164112][  T313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.164257][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.164391][  T313]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.164530][  T313]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.164664][  T313]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.164797][  T313]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.164930][  T313]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.165061][  T313]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.165236][  T313]  ? move_addr_to_kernel (net/socket.c:258)
[   16.165370][  T313]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.165507][  T313]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.165640][  T313]  ___sys_sendmsg (net/socket.c:2752)
[   16.165773][  T313]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.165940][  T313]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.166107][  T313]  __sys_sendmsg (net/socket.c:2784)
[   16.166247][  T313]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.166379][  T313]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.166551][  T313]  ? 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)
[   16.166704][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.166838][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.166972][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.167105][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.167246][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.167412][  T313] RIP: 0033:0x7f00f53e408e
[   16.167550][  T313] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.168019][  T313] RSP: 002b:00007fff41333f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.168255][  T313] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f00f53e408e
[   16.168457][  T313] RDX: 0000000000000000 RSI: 00007fff41334000 RDI: 0000000000000005
[   16.168654][  T313] RBP: 00007fff41333f60 R08: 0000000000000000 R09: 0000000000000000
[   16.168851][  T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   16.169050][  T313] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff413346d0
| [   16.170391][  T313] ---[ end trace 0000000000000000 ]---
| [   16.263816][  T316] ------------[ cut here ]------------
| [   16.263993][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/316
| [   16.264540][  T316] Tainted: [W]=WARN
[   16.264641][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.264804][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.264976][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.265463][  T316] RSP: 0018:ffa0000000d57020 EFLAGS: 00010286
[   16.265629][  T316] RAX: 00000000ffffffa6 RBX: ff1100000e74ba80 RCX: 1ff40000001aadca
[   16.265826][  T316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e74bb38
[   16.266024][  T316] RBP: ff11000005bfc000 R08: 1fe2200001ce9768 R09: ff1100000cec2e58
[   16.266233][  T316] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   16.266509][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005bfcce1
[   16.266714][  T316] FS:  00007f2630aa1840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   16.266949][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.267115][  T316] CR2: 00007f2630d711a0 CR3: 000000000e424002 CR4: 0000000000771ef0
[   16.267323][  T316] PKRU: 55555554
[   16.267429][  T316] Call Trace:
[   16.267529][  T316]  <TASK>
[   16.267599][  T316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.267736][  T316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.267840][  T316]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.267976][  T316]  __dev_notify_flags (net/core/dev.c:9787)
[   16.268110][  T316]  ? netif_change_name (net/core/dev.c:1495)
[   16.268250][  T316]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.268385][  T316]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   16.268523][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.268658][  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))
[   16.268793][  T316]  netif_change_flags (net/core/dev.c:9820)
[   16.268929][  T316]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.269066][  T316]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.269217][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.269444][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.269580][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.269712][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.269843][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.269979][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.270112][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.270271][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.270413][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.270546][  T316]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.270680][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.270814][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.270948][  T316]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.271081][  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)
[   16.271228][  T316]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.271361][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.271501][  T316]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.271636][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.271772][  T316]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.271906][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.272037][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.272177][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.272311][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.272461][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.272594][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.272725][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.272858][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.272994][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.273127][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.273287][  T316]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.273432][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.273565][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.273700][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.273834][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.273967][  T316]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.274101][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.274265][  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))
[   16.274404][  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))
[   16.274539][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.274672][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.274805][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.274938][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.275070][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.275226][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.275361][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.275502][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.275633][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.275797][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   16.275929][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.276063][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.276209][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   16.276341][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.276514][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.276656][  T316]  __sys_sendmsg (net/socket.c:2784)
[   16.276789][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.276922][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.277089][  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)
[   16.277233][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.277369][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.277505][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.277636][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.277767][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.277932][  T316] RIP: 0033:0x7f2630cdb08e
[   16.278070][  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
[   16.278584][  T316] RSP: 002b:00007ffe17990510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.278782][  T316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2630cdb08e
[   16.278998][  T316] RDX: 0000000000000000 RSI: 00007ffe179905c0 RDI: 0000000000000005
[   16.279206][  T316] RBP: 00007ffe17990520 R08: 0000000000000000 R09: 0000000000000000
[   16.279408][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   16.279607][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe17990c90
| [   16.280941][  T316] ---[ end trace 0000000000000000 ]---
| [   16.282161][   T46] ------------[ cut here ]------------
| [   16.282313][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   16.282861][   T46] Tainted: [W]=WARN
[   16.282956][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.283110][   T46] Workqueue: events_unbound linkwatch_event
[   16.283320][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.283490][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.283927][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   16.284081][   T46] RAX: 00000000ffffffa6 RBX: ff11000008e63380 RCX: 1ff4000000065f02
[   16.284271][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008e63438
[   16.284496][   T46] RBP: ff11000005bfc000 R08: 1fe22000011cc688 R09: ff11000002410ba8
[   16.284678][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   16.284858][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.285040][   T46] FS:  0000000000000000(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   16.285278][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.285440][   T46] CR2: 00007f2793249920 CR3: 0000000016549001 CR4: 0000000000771ef0
[   16.285627][   T46] PKRU: 55555554
[   16.285721][   T46] Call Trace:
[   16.285819][   T46]  <TASK>
[   16.285889][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.286015][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.286140][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.286243][   T46]  netif_state_change (net/core/dev.c:1605)
[   16.286368][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   16.286530][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.286655][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.286781][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.286909][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.287031][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   16.287157][   T46]  process_one_work (kernel/workqueue.c:3314)
[   16.287295][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.287426][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.287554][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.287680][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.287804][   T46]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.287931][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.288055][   T46]  kthread (kernel/kthread.c:436)
[   16.288180][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.288333][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.288464][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.288587][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.288738][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.288861][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.288992][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.290216][   T46] ---[ end trace 0000000000000000 ]---
| [   16.290761][   T46] ------------[ cut here ]------------
| [   16.290896][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/46
| [   16.291482][   T46] Tainted: [W]=WARN
[   16.291574][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.291728][   T46] Workqueue: events_unbound linkwatch_event
[   16.291888][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.292048][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.292538][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   16.292694][   T46] RAX: 00000000ffffffa6 RBX: ff11000010972040 RCX: 1ff4000000065f02
[   16.292877][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000109720f8
[   16.293059][   T46] RBP: ff1100000a4a1000 R08: 1fe220000212e420 R09: ff11000002410ba8
[   16.293254][   T46] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   16.293439][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.293623][   T46] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   16.293836][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.293988][   T46] CR2: 00007f8d50d86574 CR3: 0000000016549002 CR4: 0000000000771ef0
[   16.294202][   T46] PKRU: 55555554
[   16.294309][   T46] Call Trace:
[   16.294417][   T46]  <TASK>
[   16.294480][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.294603][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.294727][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.294820][   T46]  netif_state_change (net/core/dev.c:1605)
[   16.294942][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   16.295094][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.295226][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.295348][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.295478][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.295599][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   16.295721][   T46]  process_one_work (kernel/workqueue.c:3314)
[   16.295846][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.295968][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.296093][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.296234][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.296355][   T46]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.296486][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.296606][   T46]  kthread (kernel/kthread.c:436)
[   16.296697][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.296868][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.296996][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.297117][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.297281][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.297411][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.297533][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.298698][   T46] ---[ end trace 0000000000000000 ]---
| [   16.351608][  T317] ------------[ cut here ]------------
| [   16.351816][  T317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/317
| [   16.352526][  T317] Tainted: [W]=WARN
[   16.352675][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.352890][  T317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.353126][  T317] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.353697][  T317] RSP: 0018:ffa0000000d671a0 EFLAGS: 00010286
[   16.353914][  T317] RAX: 00000000ffffffa6 RBX: ff110000097163c0 RCX: 1ff40000001acdfa
[   16.354164][  T317] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009716478
[   16.354466][  T317] RBP: ff1100000c999000 R08: 1fe22000012e2c90 R09: ff1100000cb55180
[   16.354728][  T317] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.354975][  T317] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   16.355276][  T317] FS:  00007f0dc165cec0(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   16.355582][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.355798][  T317] CR2: 00007f0dc19bd004 CR3: 0000000020385001 CR4: 0000000000771ef0
[   16.356059][  T317] PKRU: 55555554
[   16.356228][  T317] Call Trace:
[   16.356414][  T317]  <TASK>
[   16.356533][  T317]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.356716][  T317]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.356867][  T317]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   16.357065][  T317]  __dev_notify_flags (net/core/dev.c:9787)
[   16.357512][  T317]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.357719][  T317]  ? netif_change_name (net/core/dev.c:1495)
[   16.357904][  T317]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   16.358086][  T317]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   16.358307][  T317]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.358510][  T317]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.358693][  T317]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.358889][  T317]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.359071][  T317]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.359296][  T317]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.359500][  T317]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.359683][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.359865][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.360049][  T317]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.360265][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.360483][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.360666][  T317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.360847][  T317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.361029][  T317]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.361228][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.361442][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.361623][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.361806][  T317]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.362001][  T317]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.362197][  T317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.362418][  T317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.362600][  T317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.362787][  T317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.362970][  T317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.363152][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.363408][  T317]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.363592][  T317]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.363775][  T317]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.363959][  T317]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.364154][  T317]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.364373][  T317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.364600][  T317]  ? move_addr_to_kernel (net/socket.c:258)
[   16.364782][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.364979][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.365207][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.365423][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.365639][  T317]  ___sys_sendmsg (net/socket.c:2752)
[   16.365823][  T317]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.366006][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.366223][  T317]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   16.366438][  T317]  ? do_getsockname (net/socket.c:2192)
[   16.366623][  T317]  __sys_sendmsg (net/socket.c:2784)
[   16.366804][  T317]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.366989][  T317]  ? __sys_getsockname (net/socket.c:2210)
[   16.367182][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.367406][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.367589][  T317]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.367770][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.367970][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.368193][  T317] RIP: 0033:0x7f0dc171108e
[   16.368418][  T317] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.368942][  T317] RSP: 002b:00007ffe1a7f2820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.369226][  T317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0dc171108e
[   16.369492][  T317] RDX: 0000000000000000 RSI: 00007ffe1a7f28a0 RDI: 0000000000000005
[   16.369740][  T317] RBP: 00007ffe1a7f2830 R08: 0000000000000000 R09: 0000000000000000
[   16.369987][  T317] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe1a7f6fc8
[   16.370302][  T317] R13: 0000000000000004 R14: 00007f0dc19fd000 R15: 000000000040bda8
| [   16.434192][  T319] ------------[ cut here ]------------
| [   16.434367][  T319] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/319
| [   16.434534][    C0] clocksource: Watchdog remote CPU 3 read timed out
| [   16.435128][  T319] Tainted: [W]=WARN
[   16.435257][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.435461][  T319] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.435642][  T319] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.436115][  T319] RSP: 0018:ffa0000000d67020 EFLAGS: 00010286
[   16.436327][  T319] RAX: 00000000ffffffa6 RBX: ff1100000b313700 RCX: 1ff40000001acdca
[   16.436533][  T319] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3137b8
[   16.436733][  T319] RBP: ff1100000c999000 R08: 1fe22000016626f8 R09: ff1100000cead158
[   16.436930][  T319] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.437129][  T319] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c999ce1
[   16.437362][  T319] FS:  00007f96d0b0c840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   16.437599][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.437770][  T319] CR2: 0000000000fbe988 CR3: 00000000202af006 CR4: 0000000000771ef0
[   16.437969][  T319] PKRU: 55555554
[   16.438068][  T319] Call Trace:
[   16.438172][  T319]  <TASK>
[   16.438268][  T319]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.438409][  T319]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.438512][  T319]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.438644][  T319]  __dev_notify_flags (net/core/dev.c:9787)
[   16.438779][  T319]  ? netif_change_name (net/core/dev.c:1495)
[   16.438914][  T319]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.439049][  T319]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   16.439242][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.439408][  T319]  ? 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))
[   16.439546][  T319]  netif_change_flags (net/core/dev.c:9820)
[   16.439679][  T319]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.439812][  T319]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.439946][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.440110][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.440291][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.440522][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.440654][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.440787][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.440920][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.441050][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.441204][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.441348][  T319]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.441551][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.441681][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.441813][  T319]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.441946][  T319]  ? __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)
[   16.442078][  T319]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.442257][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.442462][  T319]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.442632][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.442765][  T319]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.442898][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.443031][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.443167][  T319]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.443324][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.443461][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.443593][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.443724][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.443857][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.443989][  T319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.444122][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.444301][  T319]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.444439][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.444572][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.444702][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.444834][  T319]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.444966][  T319]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.445098][  T319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.445263][  T319]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.445403][  T319]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.445535][  T319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.445666][  T319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.445797][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.445931][  T319]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.446064][  T319]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.446217][  T319]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.446355][  T319]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.446491][  T319]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.446621][  T319]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.446783][  T319]  ? move_addr_to_kernel (net/socket.c:258)
[   16.446916][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.447048][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.447194][  T319]  ___sys_sendmsg (net/socket.c:2752)
[   16.447327][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.447494][  T319]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.447635][  T319]  __sys_sendmsg (net/socket.c:2784)
[   16.447766][  T319]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.447896][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.448062][  T319]  ? 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)
[   16.448222][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.448367][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.448503][  T319]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.448635][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.448768][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.448932][  T319] RIP: 0033:0x7f96d0d4608e
[   16.449069][  T319] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.449571][  T319] RSP: 002b:00007ffc803b42c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.449771][  T319] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96d0d4608e
[   16.449968][  T319] RDX: 0000000000000000 RSI: 00007ffc803b4370 RDI: 0000000000000005
[   16.450170][  T319] RBP: 00007ffc803b42d0 R08: 0000000000000000 R09: 0000000000000000
[   16.450390][  T319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   16.450592][  T319] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc803b4a40
| [   16.451959][  T319] ---[ end trace 0000000000000000 ]---
| [   16.532642][  T323] ------------[ cut here ]------------
| [   16.532821][  T323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/323
| [   16.533561][  T323] Tainted: [W]=WARN
[   16.533667][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.533839][  T323] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.534016][  T323] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.534664][  T323] RSP: 0018:ffa0000000d971a0 EFLAGS: 00010286
[   16.534841][  T323] RAX: 00000000ffffffa6 RBX: ff11000002652900 RCX: 1ff40000001b2dfa
[   16.535047][  T323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026529b8
[   16.535346][  T323] RBP: ff11000007f99000 R08: 1fe22000004ca538 R09: ff11000004de8b80
[   16.535624][  T323] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.535856][  T323] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   16.536061][  T323] FS:  00007facf0ff9ec0(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   16.536454][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.536634][  T323] CR2: 00007facf135a004 CR3: 00000000200e5003 CR4: 0000000000771ef0
[   16.536840][  T323] PKRU: 55555554
[   16.536943][  T323] Call Trace:
[   16.537046][  T323]  <TASK>
[   16.537118][  T323]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.537302][  T323]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.537477][  T323]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   16.537617][  T323]  __dev_notify_flags (net/core/dev.c:9787)
[   16.537754][  T323]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.537910][  T323]  ? netif_change_name (net/core/dev.c:1495)
[   16.538054][  T323]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   16.538232][  T323]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   16.538502][  T323]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.538663][  T323]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   16.538803][  T323]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.538943][  T323]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.539079][  T323]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.539298][  T323]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.539560][  T323]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.539772][  T323]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.539914][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.540050][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.540238][  T323]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.540392][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.540608][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.540746][  T323]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.540883][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.541019][  T323]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.541180][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.541357][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.541555][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.541694][  T323]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.541830][  T323]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.541968][  T323]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.542109][  T323]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.542253][  T323]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.542402][  T323]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.542542][  T323]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.542679][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.542816][  T323]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.542964][  T323]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.543105][  T323]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.543252][  T323]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.543398][  T323]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.543538][  T323]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.543715][  T323]  ? move_addr_to_kernel (net/socket.c:258)
[   16.543853][  T323]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.543994][  T323]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.544172][  T323]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.544386][  T323]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.544568][  T323]  ___sys_sendmsg (net/socket.c:2752)
[   16.544705][  T323]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.544845][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.544988][  T323]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   16.545127][  T323]  ? do_getsockname (net/socket.c:2192)
[   16.545358][  T323]  __sys_sendmsg (net/socket.c:2784)
[   16.545511][  T323]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.545651][  T323]  ? __sys_getsockname (net/socket.c:2210)
[   16.545788][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.545925][  T323]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.546063][  T323]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.546225][  T323]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.546423][  T323]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.546591][  T323] RIP: 0033:0x7facf10ae08e
[   16.546733][  T323] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.547356][  T323] RSP: 002b:00007ffc50806cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.547578][  T323] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facf10ae08e
[   16.547780][  T323] RDX: 0000000000000000 RSI: 00007ffc50806d40 RDI: 0000000000000005
[   16.547982][  T323] RBP: 00007ffc50806cd0 R08: 0000000000000000 R09: 0000000000000000
[   16.548221][  T323] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc5080b468
[   16.548494][  T323] R13: 0000000000000004 R14: 00007facf139a000 R15: 000000000040bda8
| [   16.549941][  T323] ---[ end trace 0000000000000000 ]---
| [   16.675172][  T330] ------------[ cut here ]------------
| [   16.675367][  T330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/330
| [   16.675902][  T330] Tainted: [W]=WARN
[   16.676007][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.676189][  T330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.676377][  T330] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.676858][  T330] RSP: 0018:ffa0000000dc7020 EFLAGS: 00010286
[   16.677028][  T330] RAX: 00000000ffffffa6 RBX: ff1100000b46fe00 RCX: 1ff40000001b8dca
[   16.677304][  T330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b46feb8
[   16.677508][  T330] RBP: ff11000007f99000 R08: 1fe220000168dfd8 R09: ff11000004c22e58
[   16.677708][  T330] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.677906][  T330] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f99ce1
[   16.678105][  T330] FS:  00007f61e30e8840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   16.678386][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.678559][  T330] CR2: 0000000014373988 CR3: 00000000200e5003 CR4: 0000000000771ef0
[   16.678761][  T330] PKRU: 55555554
[   16.678861][  T330] Call Trace:
[   16.678960][  T330]  <TASK>
[   16.679028][  T330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.679167][  T330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.679310][  T330]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.679544][  T330]  __dev_notify_flags (net/core/dev.c:9787)
[   16.679758][  T330]  ? netif_change_name (net/core/dev.c:1495)
[   16.679911][  T330]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.680047][  T330]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   16.680234][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.680378][  T330]  ? 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))
[   16.680595][  T330]  netif_change_flags (net/core/dev.c:9820)
[   16.680730][  T330]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.680866][  T330]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.681000][  T330]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.681172][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.681378][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.681614][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.681746][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.681881][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.682017][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.682150][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.682328][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.682517][  T330]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.682649][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.682780][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.682914][  T330]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.683048][  T330]  ? __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)
[   16.683224][  T330]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.683464][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.683599][  T330]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.683734][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.683887][  T330]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.684024][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.684158][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.684458][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.684597][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.684730][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.684863][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.684995][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.685128][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.685315][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.685504][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.685636][  T330]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.685767][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.685901][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.686032][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.686170][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.686327][  T330]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.686500][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.686635][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.686767][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.686900][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.687034][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.687172][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.687331][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.687470][  T330]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.687602][  T330]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.687735][  T330]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.687868][  T330]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.688002][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.688170][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   16.688331][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.688469][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.688602][  T330]  ___sys_sendmsg (net/socket.c:2752)
[   16.688735][  T330]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.688900][  T330]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.689073][  T330]  __sys_sendmsg (net/socket.c:2784)
[   16.689225][  T330]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.689383][  T330]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.689555][  T330]  ? 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)
[   16.689686][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.689821][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.689954][  T330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.690087][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.690291][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.690467][  T330] RIP: 0033:0x7f61e332208e
[   16.690605][  T330] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.691095][  T330] RSP: 002b:00007ffc46816c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.691361][  T330] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f61e332208e
[   16.691564][  T330] RDX: 0000000000000000 RSI: 00007ffc46816d40 RDI: 0000000000000005
[   16.691762][  T330] RBP: 00007ffc46816ca0 R08: 0000000000000000 R09: 0000000000000000
[   16.691958][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce40
[   16.692155][  T330] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc46817410
| [   16.693615][  T330] ---[ end trace 0000000000000000 ]---
| [   16.778226][  T334] ------------[ cut here ]------------
| [   16.778445][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/334
| [   16.779081][  T334] Tainted: [W]=WARN
[   16.779262][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.779512][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.779736][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.780285][  T334] RSP: 0018:ffa0000000df71a0 EFLAGS: 00010286
[   16.780516][  T334] RAX: 00000000ffffffa6 RBX: ff1100000583bc40 RCX: 1ff40000001bedfa
[   16.780766][  T334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000583bcf8
[   16.781016][  T334] RBP: ff1100000a48c000 R08: 1fe2200000b077a0 R09: ff1100000e5b5180
[   16.781288][  T334] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.781549][  T334] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   16.781801][  T334] FS:  00007fc56cb28ec0(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   16.782086][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.782323][  T334] CR2: 00007fc56ce89004 CR3: 000000002019e006 CR4: 0000000000771ef0
[   16.782601][  T334] PKRU: 55555554
[   16.782753][  T334] Call Trace:
[   16.782901][  T334]  <TASK>
[   16.783019][  T334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.783218][  T334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.783372][  T334]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   16.783573][  T334]  __dev_notify_flags (net/core/dev.c:9787)
[   16.783774][  T334]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.783957][  T334]  ? netif_change_name (net/core/dev.c:1495)
[   16.784141][  T334]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   16.784354][  T334]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   16.784555][  T334]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.784778][  T334]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   16.784972][  T334]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.785164][  T334]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.785367][  T334]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.785565][  T334]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.785752][  T334]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.785942][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.786127][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.786325][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.786527][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.786716][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.786919][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.787117][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.787331][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.787530][  T334]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.787714][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.787897][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.788096][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.788298][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.788495][  T334]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.788683][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.788874][  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))
[   16.789058][  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))
[   16.789263][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.789467][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.789655][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.789843][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.790029][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.790230][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.790431][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.790613][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.790795][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.791009][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   16.791202][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.791390][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.791620][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.791803][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.792018][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   16.792215][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.792413][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.792604][  T334]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   16.792786][  T334]  ? do_getsockname (net/socket.c:2192)
[   16.792972][  T334]  __sys_sendmsg (net/socket.c:2784)
[   16.793173][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.793375][  T334]  ? __sys_getsockname (net/socket.c:2210)
[   16.793571][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.793756][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.793938][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.794121][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.794326][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.794558][  T334] RIP: 0033:0x7fc56cbdd08e
[   16.794748][  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
[   16.795289][  T334] RSP: 002b:00007ffc5faac590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.795554][  T334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc56cbdd08e
[   16.795803][  T334] RDX: 0000000000000000 RSI: 00007ffc5faac610 RDI: 0000000000000005
[   16.796067][  T334] RBP: 00007ffc5faac5a0 R08: 0000000000000000 R09: 0000000000000000
[   16.796332][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc5fab0d38
[   16.796592][  T334] R13: 0000000000000004 R14: 00007fc56cec9000 R15: 000000000040bda8
| [   16.798296][  T334] ---[ end trace 0000000000000000 ]---
| [   16.857161][  T336] ------------[ cut here ]------------
| [   16.857382][  T336] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/336
| [   16.858613][  T336] Tainted: [W]=WARN
[   16.858765][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.858983][  T336] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.859229][  T336] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.859770][  T336] RSP: 0018:ffa0000000e07020 EFLAGS: 00010286
[   16.859987][  T336] RAX: 00000000ffffffa6 RBX: ff11000009505380 RCX: 1ff40000001c0dca
[   16.860255][  T336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009505438
[   16.860513][  T336] RBP: ff1100000a48c000 R08: 1fe22000012a0a88 R09: ff1100000cc0ae58
[   16.860805][  T336] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   16.861069][  T336] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a48cce1
[   16.861339][  T336] FS:  00007f43bfe46840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   16.861638][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.861871][  T336] CR2: 0000000039f98988 CR3: 000000002019e005 CR4: 0000000000771ef0
[   16.862134][  T336] PKRU: 55555554
[   16.862304][  T336] Call Trace:
[   16.862464][  T336]  <TASK>
[   16.862579][  T336]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.862761][  T336]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.862910][  T336]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.863090][  T336]  __dev_notify_flags (net/core/dev.c:9787)
[   16.863294][  T336]  ? netif_change_name (net/core/dev.c:1495)
[   16.863490][  T336]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.863670][  T336]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   16.863850][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.864045][  T336]  ? 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))
[   16.864255][  T336]  netif_change_flags (net/core/dev.c:9820)
[   16.864481][  T336]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.864662][  T336]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.864845][  T336]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.865056][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.865277][  T336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.865485][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.865668][  T336]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.865855][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.866042][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.866250][  T336]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.866471][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.866652][  T336]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.866831][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.867012][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.867202][  T336]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.867407][  T336]  ? __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)
[   16.867590][  T336]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.867771][  T336]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.867953][  T336]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.868138][  T336]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.868359][  T336]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.868555][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.868744][  T336]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.868931][  T336]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.869148][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.869358][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.869550][  T336]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.869731][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.869913][  T336]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.870094][  T336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.870292][  T336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.870492][  T336]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.870675][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.870875][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.871054][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.871287][  T336]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.871488][  T336]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.871669][  T336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.871851][  T336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.872031][  T336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.872234][  T336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.872430][  T336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.872631][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.872832][  T336]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.873017][  T336]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.873216][  T336]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.873414][  T336]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.873599][  T336]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.873780][  T336]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.874019][  T336]  ? move_addr_to_kernel (net/socket.c:258)
[   16.874216][  T336]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.874411][  T336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.874592][  T336]  ___sys_sendmsg (net/socket.c:2752)
[   16.874771][  T336]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.874986][  T336]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.875207][  T336]  __sys_sendmsg (net/socket.c:2784)
[   16.875409][  T336]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.875591][  T336]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.875811][  T336]  ? 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)
[   16.875999][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.876196][  T336]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.876386][  T336]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.876584][  T336]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.876769][  T336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.876987][  T336] RIP: 0033:0x7f43c008008e
[   16.877193][  T336] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.877742][  T336] RSP: 002b:00007ffc20376200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.877991][  T336] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f43c008008e
[   16.878269][  T336] RDX: 0000000000000000 RSI: 00007ffc203762b0 RDI: 0000000000000005
[   16.878528][  T336] RBP: 00007ffc20376210 R08: 0000000000000000 R09: 0000000000000000
[   16.878775][  T336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce40
[   16.879020][  T336] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc20376980
| [   16.880765][  T336] ---[ end trace 0000000000000000 ]---
| [   16.963084][  T340] ------------[ cut here ]------------
| [   16.963286][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/340
| [   16.963873][  T340] Tainted: [W]=WARN
[   16.964006][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.964185][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.964370][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.964873][  T340] RSP: 0018:ffa0000000c371a0 EFLAGS: 00010286
[   16.965080][  T340] RAX: 00000000ffffffa6 RBX: ff11000010a75700 RCX: 1ff4000000186dfa
[   16.965310][  T340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a757b8
[   16.965540][  T340] RBP: ff110000058fc000 R08: 1fe220000214eaf8 R09: ff1100000505d180
[   16.965772][  T340] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   16.966009][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   16.966233][  T340] FS:  00007fc321763ec0(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   16.966478][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.966648][  T340] CR2: 00007fc321ac4004 CR3: 0000000010b94006 CR4: 0000000000771ef0
[   16.966853][  T340] PKRU: 55555554
[   16.966956][  T340] Call Trace:
[   16.967058][  T340]  <TASK>
[   16.967128][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.967278][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.967381][  T340]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   16.967526][  T340]  __dev_notify_flags (net/core/dev.c:9787)
[   16.967665][  T340]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.967816][  T340]  ? netif_change_name (net/core/dev.c:1495)
[   16.967961][  T340]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   16.968100][  T340]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   16.968245][  T340]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.968381][  T340]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   16.968527][  T340]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.968663][  T340]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.968797][  T340]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.968934][  T340]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.969074][  T340]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.969219][  T340]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.969356][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.969498][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.969635][  T340]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.969774][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.969911][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.970047][  T340]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.970193][  T340]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.970328][  T340]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.970472][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.970609][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.970743][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.970881][  T340]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.971042][  T340]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   16.971185][  T340]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.971324][  T340]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.971467][  T340]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.971605][  T340]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.971751][  T340]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.971892][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.972028][  T340]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.972175][  T340]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.972325][  T340]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.972474][  T340]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.972611][  T340]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.972747][  T340]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.972919][  T340]  ? move_addr_to_kernel (net/socket.c:258)
[   16.973057][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.973205][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.973377][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.973518][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.973689][  T340]  ___sys_sendmsg (net/socket.c:2752)
[   16.973828][  T340]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.973964][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.974105][  T340]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   16.974246][  T340]  ? do_getsockname (net/socket.c:2192)
[   16.974385][  T340]  __sys_sendmsg (net/socket.c:2784)
[   16.974527][  T340]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.974667][  T340]  ? __sys_getsockname (net/socket.c:2210)
[   16.974802][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.974939][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.975085][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.975231][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.975369][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.975542][  T340] RIP: 0033:0x7fc32181808e
[   16.975683][  T340] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.976195][  T340] RSP: 002b:00007ffc2e6a1f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.976429][  T340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc32181808e
[   16.976633][  T340] RDX: 0000000000000000 RSI: 00007ffc2e6a1f90 RDI: 0000000000000005
[   16.976835][  T340] RBP: 00007ffc2e6a1f20 R08: 0000000000000000 R09: 0000000000000000
[   16.977037][  T340] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc2e6a66b8
[   16.977255][  T340] R13: 0000000000000004 R14: 00007fc321b04000 R15: 000000000040bda8
| [   16.978651][  T340] ---[ end trace 0000000000000000 ]---
| [   17.029256][  T342] ------------[ cut here ]------------
| [   17.029433][  T342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/342
| [   17.029939][  T342] Tainted: [W]=WARN
[   17.030038][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.030218][  T342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.030390][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.030860][  T342] RSP: 0018:ffa0000000e27020 EFLAGS: 00010286
[   17.031023][  T342] RAX: 00000000ffffffa6 RBX: ff1100000583b1c0 RCX: 1ff40000001c4dca
[   17.031231][  T342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000583b278
[   17.031428][  T342] RBP: ff110000058fc000 R08: 1fe2200000b07650 R09: ff1100000a4a8b58
[   17.031621][  T342] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   17.031814][  T342] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058fcce1
[   17.032012][  T342] FS:  00007fda20c8c840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   17.032249][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.032421][  T342] CR2: 0000000004817988 CR3: 00000000202af003 CR4: 0000000000771ef0
[   17.032615][  T342] PKRU: 55555554
[   17.032711][  T342] Call Trace:
[   17.032812][  T342]  <TASK>
[   17.032891][  T342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.033027][  T342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.033127][  T342]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.033271][  T342]  __dev_notify_flags (net/core/dev.c:9787)
[   17.033408][  T342]  ? netif_change_name (net/core/dev.c:1495)
[   17.033538][  T342]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.033669][  T342]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   17.033799][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.033932][  T342]  ? 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))
[   17.034064][  T342]  netif_change_flags (net/core/dev.c:9820)
[   17.034207][  T342]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.034339][  T342]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.034493][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.034657][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.034788][  T342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.034919][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.035048][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.035190][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.035321][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.035533][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.035665][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.035796][  T342]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.035926][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.036057][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.036197][  T342]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.036329][  T342]  ? __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)
[   17.036547][  T342]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.036753][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.036886][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.037021][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.037153][  T342]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.037297][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.037513][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.037642][  T342]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.037775][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.037908][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.038040][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.038174][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.038311][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.038495][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.038627][  T342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.038759][  T342]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.038891][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.039024][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.039155][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.039299][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.039486][  T342]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.039617][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.039750][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.039886][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.040020][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.040152][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.040306][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.040493][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.040628][  T342]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.040763][  T342]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.040899][  T342]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.041031][  T342]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.041167][  T342]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.041342][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   17.041534][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.041667][  T342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.041799][  T342]  ___sys_sendmsg (net/socket.c:2752)
[   17.041934][  T342]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.042103][  T342]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.042260][  T342]  __sys_sendmsg (net/socket.c:2784)
[   17.042463][  T342]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.042596][  T342]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.042764][  T342]  ? 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)
[   17.042897][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.043030][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.043169][  T342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.043308][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.043447][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.043614][  T342] RIP: 0033:0x7fda20ec608e
[   17.043751][  T342] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.044232][  T342] RSP: 002b:00007fffd1de4b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.044439][  T342] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fda20ec608e
[   17.044637][  T342] RDX: 0000000000000000 RSI: 00007fffd1de4c40 RDI: 0000000000000005
[   17.044834][  T342] RBP: 00007fffd1de4ba0 R08: 0000000000000000 R09: 0000000000000000
[   17.045033][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce40
[   17.045242][  T342] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd1de5310
| [   17.046576][  T342] ---[ end trace 0000000000000000 ]---
| [   17.137880][  T346] ------------[ cut here ]------------
| [   17.138053][  T346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/346
| [   17.138633][  T346] Tainted: [W]=WARN
[   17.138741][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.138917][  T346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.139111][  T346] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.139708][  T346] RSP: 0018:ffa0000000db71a0 EFLAGS: 00010286
[   17.139888][  T346] RAX: 00000000ffffffa6 RBX: ff11000010a5fa80 RCX: 1ff40000001b6dfa
[   17.140120][  T346] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a5fb38
[   17.140383][  T346] RBP: ff1100000e5bc000 R08: 1fe220000214bf68 R09: ff1100000ca55180
[   17.140656][  T346] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.140870][  T346] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   17.141080][  T346] FS:  00007fcfce8ffec0(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   17.141349][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.141532][  T346] CR2: 00007fcfcec60004 CR3: 000000001fe7a005 CR4: 0000000000771ef0
[   17.141744][  T346] PKRU: 55555554
[   17.141865][  T346] Call Trace:
[   17.141975][  T346]  <TASK>
[   17.142046][  T346]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.142195][  T346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.142298][  T346]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   17.142468][  T346]  __dev_notify_flags (net/core/dev.c:9787)
[   17.142611][  T346]  ? notifier_call_chain (kernel/notifier.c:85)
[   17.142763][  T346]  ? netif_change_name (net/core/dev.c:1495)
[   17.142906][  T346]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   17.143044][  T346]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   17.143198][  T346]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.143352][  T346]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   17.143498][  T346]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.143639][  T346]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.143784][  T346]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.143928][  T346]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.144070][  T346]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.144218][  T346]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.144358][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.144503][  T346]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.144639][  T346]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.144789][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.144928][  T346]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.145066][  T346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.145238][  T346]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.145401][  T346]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.145542][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.145679][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.145818][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.145966][  T346]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.146103][  T346]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.146253][  T346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.146416][  T346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.146561][  T346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.146703][  T346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.146842][  T346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.146983][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.147124][  T346]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.147279][  T346]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.147425][  T346]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.147574][  T346]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.147719][  T346]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.147868][  T346]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.148044][  T346]  ? move_addr_to_kernel (net/socket.c:258)
[   17.148195][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.148336][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.148517][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.148655][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.148827][  T346]  ___sys_sendmsg (net/socket.c:2752)
[   17.148963][  T346]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.149100][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.149252][  T346]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   17.149388][  T346]  ? do_getsockname (net/socket.c:2192)
[   17.149532][  T346]  __sys_sendmsg (net/socket.c:2784)
[   17.149676][  T346]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.149830][  T346]  ? __sys_getsockname (net/socket.c:2210)
[   17.149970][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.150116][  T346]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.150272][  T346]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.150429][  T346]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.150574][  T346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.150746][  T346] RIP: 0033:0x7fcfce9b408e
[   17.150890][  T346] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.151686][  T346] RSP: 002b:00007fff3dc9e410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.151900][  T346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcfce9b408e
[   17.152127][  T346] RDX: 0000000000000000 RSI: 00007fff3dc9e490 RDI: 0000000000000005
[   17.152376][  T346] RBP: 00007fff3dc9e420 R08: 0000000000000000 R09: 0000000000000000
[   17.152596][  T346] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff3dca2bb8
[   17.152824][  T346] R13: 0000000000000004 R14: 00007fcfceca0000 R15: 000000000040bda8
| [   17.154275][  T346] ---[ end trace 0000000000000000 ]---
| [   17.203287][  T348] ------------[ cut here ]------------
| [   17.203474][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/348
| [   17.204009][  T348] Tainted: [W]=WARN
[   17.204112][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.204309][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.204496][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.204972][  T348] RSP: 0018:ffa0000000e47020 EFLAGS: 00010286
[   17.205147][  T348] RAX: 00000000ffffffa6 RBX: ff1100000e7e51c0 RCX: 1ff40000001c8dca
[   17.205376][  T348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e7e5278
[   17.205599][  T348] RBP: ff1100000e5bc000 R08: 1fe2200001cfca50 R09: ff1100001fdc2e58
[   17.205805][  T348] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   17.206007][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e5bcce1
[   17.206227][  T348] FS:  00007fa4bc7e0840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   17.206477][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.206649][  T348] CR2: 00007fa4bcab01a0 CR3: 00000000202af004 CR4: 0000000000771ef0
[   17.206879][  T348] PKRU: 55555554
[   17.206985][  T348] Call Trace:
[   17.207090][  T348]  <TASK>
[   17.207164][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.207918][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.208068][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.208252][  T348]  __dev_notify_flags (net/core/dev.c:9787)
[   17.208412][  T348]  ? netif_change_name (net/core/dev.c:1495)
[   17.208573][  T348]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.208715][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   17.208872][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.209018][  T348]  ? 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))
[   17.209158][  T348]  netif_change_flags (net/core/dev.c:9820)
[   17.209300][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.209442][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.209578][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.209745][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.209891][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.210025][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.210188][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.210326][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.210478][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.210627][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.210765][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.210901][  T348]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.211071][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.211218][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.211380][  T348]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.211524][  T348]  ? __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)
[   17.211671][  T348]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.211810][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.211951][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.212093][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.212244][  T348]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.212391][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.212534][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.212715][  T348]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.212859][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.212994][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.213128][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.213273][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.213413][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.213549][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.213703][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.213844][  T348]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.213981][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.214121][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.214304][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.214443][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.214588][  T348]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.214735][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.214883][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.215015][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.215158][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.215353][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.215491][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.215626][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.215778][  T348]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.215914][  T348]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.216049][  T348]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.216194][  T348]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.216343][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.216514][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   17.216647][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.216781][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.216922][  T348]  ___sys_sendmsg (net/socket.c:2752)
[   17.217065][  T348]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.217258][  T348]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.217409][  T348]  __sys_sendmsg (net/socket.c:2784)
[   17.217543][  T348]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.217688][  T348]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.217862][  T348]  ? 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)
[   17.218003][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.218138][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.218281][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.218427][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.218566][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.218737][  T348] RIP: 0033:0x7fa4bca1a08e
[   17.218893][  T348] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.219380][  T348] RSP: 002b:00007fff86e87680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.219592][  T348] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4bca1a08e
[   17.219793][  T348] RDX: 0000000000000000 RSI: 00007fff86e87730 RDI: 0000000000000005
[   17.219996][  T348] RBP: 00007fff86e87690 R08: 0000000000000000 R09: 0000000000000000
[   17.220208][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce40
[   17.220413][  T348] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff86e87e00
| [   17.221858][  T348] ---[ end trace 0000000000000000 ]---
| [   17.304251][  T352] ------------[ cut here ]------------
| [   17.304432][  T352] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/352
| [   17.305003][  T352] Tainted: [W]=WARN
[   17.305109][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.305303][  T352] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.305484][  T352] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.305983][  T352] RSP: 0018:ffa0000000e771a0 EFLAGS: 00010286
[   17.306168][  T352] RAX: 00000000ffffffa6 RBX: ff11000010a74c80 RCX: 1ff40000001cedfa
[   17.306377][  T352] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a74d38
[   17.306588][  T352] RBP: ff110000088bc000 R08: 1fe220000214e9a8 R09: ff1100000cf35180
[   17.306792][  T352] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.307011][  T352] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   17.307248][  T352] FS:  00007f211d03fec0(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   17.307504][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.307679][  T352] CR2: 00007f211d3a0004 CR3: 000000001fe55006 CR4: 0000000000771ef0
[   17.307886][  T352] PKRU: 55555554
[   17.307988][  T352] Call Trace:
[   17.308090][  T352]  <TASK>
[   17.308172][  T352]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.308329][  T352]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.308438][  T352]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   17.308582][  T352]  __dev_notify_flags (net/core/dev.c:9787)
[   17.308718][  T352]  ? notifier_call_chain (kernel/notifier.c:85)
[   17.308870][  T352]  ? netif_change_name (net/core/dev.c:1495)
[   17.309028][  T352]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   17.309174][  T352]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   17.309325][  T352]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.309466][  T352]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   17.309617][  T352]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.309756][  T352]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.309893][  T352]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.310032][  T352]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.310186][  T352]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.310349][  T352]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.310494][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.310635][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.310776][  T352]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.310928][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.311065][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.311230][  T352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.311392][  T352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.311536][  T352]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.311674][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.311812][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.311947][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.312100][  T352]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.312260][  T352]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.312465][  T352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.312631][  T352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.312783][  T352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.312927][  T352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.313073][  T352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.313244][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.313467][  T352]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.313730][  T352]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.313887][  T352]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.314030][  T352]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.314176][  T352]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.314319][  T352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.314554][  T352]  ? move_addr_to_kernel (net/socket.c:258)
[   17.314690][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.314827][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.315002][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.315156][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.315361][  T352]  ___sys_sendmsg (net/socket.c:2752)
[   17.315561][  T352]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.315711][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.315856][  T352]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   17.316022][  T352]  ? do_getsockname (net/socket.c:2192)
[   17.316224][  T352]  __sys_sendmsg (net/socket.c:2784)
[   17.316366][  T352]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.316571][  T352]  ? __sys_getsockname (net/socket.c:2210)
[   17.316713][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.316858][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.316997][  T352]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.317133][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.317282][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.317510][  T352] RIP: 0033:0x7f211d0f408e
[   17.317653][  T352] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.318156][  T352] RSP: 002b:00007ffc568ae650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.318479][  T352] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f211d0f408e
[   17.318738][  T352] RDX: 0000000000000000 RSI: 00007ffc568ae6d0 RDI: 0000000000000005
[   17.318970][  T352] RBP: 00007ffc568ae660 R08: 0000000000000000 R09: 0000000000000000
[   17.319177][  T352] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc568b2df8
[   17.319489][  T352] R13: 0000000000000004 R14: 00007f211d3e0000 R15: 000000000040bda8
| [   17.321031][  T352] ---[ end trace 0000000000000000 ]---
| [   17.379719][  T354] ------------[ cut here ]------------
| [   17.379880][  T354] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/354
| [   17.380975][  T354] Tainted: [W]=WARN
[   17.381076][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.381253][  T354] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.381439][  T354] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.381912][  T354] RSP: 0018:ffa0000000e97020 EFLAGS: 00010286
[   17.382079][  T354] RAX: 00000000ffffffa6 RBX: ff1100000b3123c0 RCX: 1ff40000001d2dca
[   17.382287][  T354] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b312478
[   17.382493][  T354] RBP: ff110000088bc000 R08: 1fe2200001662490 R09: ff11000005d12e58
[   17.382692][  T354] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   17.382889][  T354] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000088bcce1
[   17.383089][  T354] FS:  00007f7f60f1b840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   17.383342][  T354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.383517][  T354] CR2: 00000000179fb988 CR3: 00000000203d7004 CR4: 0000000000771ef0
[   17.383715][  T354] PKRU: 55555554
[   17.383813][  T354] Call Trace:
[   17.383911][  T354]  <TASK>
[   17.383979][  T354]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.384112][  T354]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.384223][  T354]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.384355][  T354]  __dev_notify_flags (net/core/dev.c:9787)
[   17.384509][  T354]  ? netif_change_name (net/core/dev.c:1495)
[   17.384646][  T354]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.384784][  T354]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   17.384923][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.385062][  T354]  ? 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))
[   17.385215][  T354]  netif_change_flags (net/core/dev.c:9820)
[   17.385354][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.385499][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.385636][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.385809][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.385950][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.386084][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.386229][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.386363][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.386504][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.386635][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.386767][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.386899][  T354]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.387032][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.387167][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.387310][  T354]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.387452][  T354]  ? __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)
[   17.387585][  T354]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.387718][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.387852][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.387995][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.388135][  T354]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.388274][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.388409][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.388542][  T354]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.388677][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.388814][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.388946][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.389078][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.389217][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.389358][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.389502][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.389637][  T354]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.389772][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.389914][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.390050][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.390195][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.390331][  T354]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.390468][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.390604][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.390736][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.390869][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.391009][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.391145][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.391292][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.391434][  T354]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.391571][  T354]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.391702][  T354]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.391840][  T354]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.391975][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.392142][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   17.392283][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.392421][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.392553][  T354]  ___sys_sendmsg (net/socket.c:2752)
[   17.392684][  T354]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.392848][  T354]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.392989][  T354]  __sys_sendmsg (net/socket.c:2784)
[   17.393121][  T354]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.393269][  T354]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.393440][  T354]  ? 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)
[   17.393572][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.393710][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.393842][  T354]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.393974][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.394110][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.394285][  T354] RIP: 0033:0x7f7f6115508e
[   17.394428][  T354] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.394906][  T354] RSP: 002b:00007fffcb068360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.395112][  T354] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7f6115508e
[   17.395333][  T354] RDX: 0000000000000000 RSI: 00007fffcb068410 RDI: 0000000000000005
[   17.395550][  T354] RBP: 00007fffcb068370 R08: 0000000000000000 R09: 0000000000000000
[   17.395756][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce40
[   17.395959][  T354] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcb068ae0
| [   17.397334][  T354] ---[ end trace 0000000000000000 ]---
| [   17.468577][  T358] ------------[ cut here ]------------
| [   17.468796][  T358] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/358
| [   17.469487][  T358] Tainted: [W]=WARN
[   17.469638][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.469862][  T358] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.470094][  T358] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.470663][  T358] RSP: 0018:ffa0000000ec71a0 EFLAGS: 00010286
[   17.470882][  T358] RAX: 00000000ffffffa6 RBX: ff11000010972040 RCX: 1ff40000001d8dfa
[   17.471129][  T358] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000109720f8
[   17.472016][  T358] RBP: ff1100000cf2c000 R08: 1fe220000212e420 R09: ff1100000cb55180
[   17.472365][  T358] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.472670][  T358] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   17.472982][  T358] FS:  00007ff4ddb54ec0(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   17.473304][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.473542][  T358] CR2: 00007ff4ddeb5004 CR3: 0000000020874003 CR4: 0000000000771ef0
[   17.473806][  T358] PKRU: 55555554
[   17.473959][  T358] Call Trace:
[   17.474120][  T358]  <TASK>
[   17.474275][  T358]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.474482][  T358]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.474648][  T358]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   17.474836][  T358]  __dev_notify_flags (net/core/dev.c:9787)
[   17.475040][  T358]  ? notifier_call_chain (kernel/notifier.c:85)
[   17.475254][  T358]  ? netif_change_name (net/core/dev.c:1495)
[   17.475471][  T358]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   17.475695][  T358]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   17.475888][  T358]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.476161][  T358]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   17.476371][  T358]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.476572][  T358]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.476776][  T358]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.476977][  T358]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.477200][  T358]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.477415][  T358]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.477613][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.477797][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.478003][  T358]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.478230][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.478434][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.478625][  T358]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.478842][  T358]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.479027][  T358]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.479231][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.479436][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.479619][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.479820][  T358]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.480039][  T358]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.480244][  T358]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.480446][  T358]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.480643][  T358]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.480841][  T358]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.481029][  T358]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.481230][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.481435][  T358]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.481621][  T358]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.481819][  T358]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.482009][  T358]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.482207][  T358]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.482415][  T358]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.482633][  T358]  ? move_addr_to_kernel (net/socket.c:258)
[   17.482817][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.483005][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.483253][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.483449][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.483680][  T358]  ___sys_sendmsg (net/socket.c:2752)
[   17.483870][  T358]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.484064][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.484281][  T358]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   17.484476][  T358]  ? do_getsockname (net/socket.c:2192)
[   17.484668][  T358]  __sys_sendmsg (net/socket.c:2784)
[   17.484860][  T358]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.485054][  T358]  ? __sys_getsockname (net/socket.c:2210)
[   17.485259][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.485461][  T358]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.485653][  T358]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.485842][  T358]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.486028][  T358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.486264][  T358] RIP: 0033:0x7ff4ddc0908e
[   17.486470][  T358] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.487002][  T358] RSP: 002b:00007ffd30d7f260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.487285][  T358] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff4ddc0908e
[   17.487568][  T358] RDX: 0000000000000000 RSI: 00007ffd30d7f2e0 RDI: 0000000000000005
[   17.487816][  T358] RBP: 00007ffd30d7f270 R08: 0000000000000000 R09: 0000000000000000
[   17.488062][  T358] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd30d83a08
[   17.488334][  T358] R13: 0000000000000004 R14: 00007ff4ddef5000 R15: 000000000040bda8
| [   17.490113][  T358] ---[ end trace 0000000000000000 ]---
| [   17.552189][  T360] ------------[ cut here ]------------
| [   17.552348][  T360] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/360
| [   17.552901][  T360] Tainted: [W]=WARN
[   17.553006][  T360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.553174][  T360] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.553357][  T360] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.553853][  T360] RSP: 0018:ffa0000000ee7020 EFLAGS: 00010286
[   17.554026][  T360] RAX: 00000000ffffffa6 RBX: ff1100000b46fa80 RCX: 1ff40000001dcdca
[   17.554247][  T360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b46fb38
[   17.554472][  T360] RBP: ff1100000cf2c000 R08: 1fe220000168df68 R09: ff1100000cead158
[   17.554675][  T360] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   17.554883][  T360] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf2cce1
[   17.555087][  T360] FS:  00007f00bab22840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   17.555337][  T360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.555509][  T360] CR2: 00007f00badf21a0 CR3: 00000000203d7001 CR4: 0000000000771ef0
[   17.555710][  T360] PKRU: 55555554
[   17.555822][  T360] Call Trace:
[   17.555925][  T360]  <TASK>
[   17.556005][  T360]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.556144][  T360]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.556272][  T360]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.556478][  T360]  __dev_notify_flags (net/core/dev.c:9787)
[   17.556620][  T360]  ? netif_change_name (net/core/dev.c:1495)
[   17.556759][  T360]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.556898][  T360]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   17.557038][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.557175][  T360]  ? 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))
[   17.557316][  T360]  netif_change_flags (net/core/dev.c:9820)
[   17.557546][  T360]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.557687][  T360]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.557825][  T360]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.558003][  T360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.558208][  T360]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.558358][  T360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.558557][  T360]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.558699][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.558836][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.558970][  T360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.559110][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.559258][  T360]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.559484][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.559623][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.559756][  T360]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.559891][  T360]  ? __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)
[   17.560033][  T360]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.560176][  T360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.560327][  T360]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.560537][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.560674][  T360]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.560809][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.560944][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.561077][  T360]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.561222][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.561355][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.561561][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.561692][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.561835][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.561976][  T360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.562113][  T360]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.562260][  T360]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.562413][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.562553][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.562690][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.562825][  T360]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.562966][  T360]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   17.563103][  T360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.563256][  T360]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.563387][  T360]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.563534][  T360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.563669][  T360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.563812][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.563951][  T360]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.564083][  T360]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.564235][  T360]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.564374][  T360]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.564521][  T360]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.564662][  T360]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.564834][  T360]  ? move_addr_to_kernel (net/socket.c:258)
[   17.564969][  T360]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.565100][  T360]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.565250][  T360]  ___sys_sendmsg (net/socket.c:2752)
[   17.565388][  T360]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.565564][  T360]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.565711][  T360]  __sys_sendmsg (net/socket.c:2784)
[   17.565854][  T360]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.565988][  T360]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.566174][  T360]  ? 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)
[   17.566314][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.566453][  T360]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.566590][  T360]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.566731][  T360]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.566866][  T360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.567031][  T360] RIP: 0033:0x7f00bad5c08e
[   17.567173][  T360] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.567663][  T360] RSP: 002b:00007ffd600c58f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.567878][  T360] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f00bad5c08e
[   17.568090][  T360] RDX: 0000000000000000 RSI: 00007ffd600c59a0 RDI: 0000000000000005
[   17.568306][  T360] RBP: 00007ffd600c5900 R08: 0000000000000000 R09: 0000000000000000
[   17.568508][  T360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce40
[   17.568718][  T360] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd600c6070
| [   17.570067][  T360] ---[ end trace 0000000000000000 ]---
| [   22.756355][   T39] ------------[ cut here ]------------
| [   22.756542][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   22.757092][   T39] Tainted: [W]=WARN
[   22.757193][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.757358][   T39] Workqueue: events_unbound linkwatch_event
[   22.757532][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.757696][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.758149][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   22.758323][   T39] RAX: 00000000ffffffa6 RBX: ff1100001fccc900 RCX: 1ff4000000057f02
[   22.758514][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001fccc9b8
[   22.758703][   T39] RBP: ff11000007f99000 R08: 1fe2200003f99938 R09: ff11000001d951a8
[   22.758893][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   22.759082][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.759284][   T39] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   22.759599][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.759759][   T39] CR2: 00007f3549eab0e0 CR3: 0000000020a22003 CR4: 0000000000771ef0
[   22.759948][   T39] PKRU: 55555554
[   22.760042][   T39] Call Trace:
[   22.760149][   T39]  <TASK>
[   22.760230][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.760431][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.760559][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.760654][   T39]  netif_state_change (net/core/dev.c:1605)
[   22.760782][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.760940][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.761065][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.761197][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.761329][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.761533][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   22.761659][   T39]  process_one_work (kernel/workqueue.c:3314)
[   22.761795][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.761923][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.762051][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.762181][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.762315][   T39]  kthread (kernel/kthread.c:436)
[   22.762492][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.762656][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.762784][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.762915][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.763071][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.763202][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.763336][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.765809][    C0] tun0: no available key for peer 1, key-id: 0
| [   22.862617][   T46] ------------[ cut here ]------------
| [   22.862812][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/46
| [   22.863510][   T46] Tainted: [W]=WARN
[   22.863701][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.863914][   T46] Workqueue: events_unbound linkwatch_event
[   22.864159][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.864484][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.865057][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   22.865294][   T46] RAX: 00000000ffffffa6 RBX: ff110000094063c0 RCX: 1ff4000000065f02
[   22.865543][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009406478
[   22.865788][   T46] RBP: ff1100000a48c000 R08: 1fe2200001280c90 R09: ff11000002410ba8
[   22.866021][   T46] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   22.866271][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.866527][   T46] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   22.866805][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.867011][   T46] CR2: 00007f3549d1a0a0 CR3: 0000000020841006 CR4: 0000000000771ef0
[   22.867266][   T46] PKRU: 55555554
[   22.867422][   T46] Call Trace:
[   22.867566][   T46]  <TASK>
[   22.867680][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.867857][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.868037][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.868190][   T46]  netif_state_change (net/core/dev.c:1605)
[   22.868378][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.868604][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.868781][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.868962][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.869141][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.869337][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   22.869609][   T46]  process_one_work (kernel/workqueue.c:3314)
[   22.869789][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.870044][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.870251][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.870601][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.870780][   T46]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.870962][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.871136][   T46]  kthread (kernel/kthread.c:436)
[   22.871296][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.871515][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.871702][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.871879][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.872082][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.872354][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.872551][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.875017][    C2] tun0: no available key for peer 2, key-id: 0
| [   22.967255][   T46] ------------[ cut here ]------------
| [   22.967433][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   22.967972][   T46] Tainted: [W]=WARN
[   22.968067][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.968234][   T46] Workqueue: events_unbound linkwatch_event
[   22.968403][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.968566][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.969013][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   22.969174][   T46] RAX: 00000000ffffffa6 RBX: ff1100000583b1c0 RCX: 1ff4000000065f02
[   22.969367][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000583b278
[   22.969560][   T46] RBP: ff110000058fc000 R08: 1fe2200000b07650 R09: ff11000002410ba8
[   22.969745][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   22.969933][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.970121][   T46] FS:  0000000000000000(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   22.970355][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.970549][   T46] CR2: 0000000002f99748 CR3: 000000001fe53001 CR4: 0000000000771ef0
[   22.970738][   T46] PKRU: 55555554
[   22.970832][   T46] Call Trace:
[   22.970925][   T46]  <TASK>
[   22.970992][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.971119][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.971259][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.971355][   T46]  netif_state_change (net/core/dev.c:1605)
[   22.971488][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   22.971646][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.971770][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.971898][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.972026][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.972174][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   22.972309][   T46]  process_one_work (kernel/workqueue.c:3314)
[   22.972445][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.972570][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.972698][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.972826][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.972951][   T46]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.973077][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.973205][   T46]  kthread (kernel/kthread.c:436)
[   22.973319][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.973481][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.973606][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.973732][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.973888][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.974013][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.974138][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.975971][    C2] tun0: no available key for peer 3, key-id: 0
| [   23.076002][   T39] ------------[ cut here ]------------
| [   23.076156][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   23.076707][   T39] Tainted: [W]=WARN
[   23.076804][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.076962][   T39] Workqueue: events_unbound linkwatch_event
[   23.077124][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.077298][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.077747][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   23.077907][   T39] RAX: 00000000ffffffa6 RBX: ff1100000e7e5700 RCX: 1ff4000000057f02
[   23.078094][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e7e57b8
[   23.078290][   T39] RBP: ff1100000e5bc000 R08: 1fe2200001cfcaf8 R09: ff11000001d951a8
[   23.078483][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   23.078669][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.078858][   T39] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   23.079083][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.079253][   T39] CR2: 000000002f84b748 CR3: 0000000010b9c002 CR4: 0000000000771ef0
[   23.079445][   T39] PKRU: 55555554
[   23.079540][   T39] Call Trace:
[   23.079633][   T39]  <TASK>
[   23.079700][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.079827][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.079956][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.080051][   T39]  netif_state_change (net/core/dev.c:1605)
[   23.080179][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   23.080344][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.080476][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.080601][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.080734][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.080857][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   23.080982][   T39]  process_one_work (kernel/workqueue.c:3314)
[   23.081110][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.081241][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.081371][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.081501][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.081625][   T39]  kthread (kernel/kthread.c:436)
[   23.081720][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.081875][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.082000][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.082126][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.082294][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.082426][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.082551][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.084838][    C3] tun0: no available key for peer 4, key-id: 0
| [   23.182588][   T94] ------------[ cut here ]------------
| [   23.182732][   T94] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/94
| [   23.183278][   T94] Tainted: [W]=WARN
[   23.183372][   T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.183533][   T94] Workqueue: events_unbound linkwatch_event
[   23.183698][   T94] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.183860][   T94] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.184335][   T94] RSP: 0018:ffa00000006179e0 EFLAGS: 00010286
[   23.184500][   T94] RAX: 00000000ffffffa6 RBX: ff11000004cecc80 RCX: 1ff40000000c2f02
[   23.184690][   T94] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004cecd38
[   23.184881][   T94] RBP: ff110000088bc000 R08: 1fe220000099d9a8 R09: ff1100000a4ad1a8
[   23.185086][   T94] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   23.185286][   T94] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.185481][   T94] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   23.185700][   T94] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.185858][   T94] CR2: 000000002f84b748 CR3: 0000000020841004 CR4: 0000000000771ef0
[   23.186046][   T94] PKRU: 55555554
[   23.186141][   T94] Call Trace:
[   23.186242][   T94]  <TASK>
[   23.186307][   T94]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.186438][   T94]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.186565][   T94]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.186661][   T94]  netif_state_change (net/core/dev.c:1605)
[   23.186786][   T94]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   23.186943][   T94]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.187066][   T94]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.187195][   T94]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.187328][   T94]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.187459][   T94]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   23.187585][   T94]  process_one_work (kernel/workqueue.c:3314)
[   23.187713][   T94]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.187838][   T94]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.187968][   T94]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.188094][   T94]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.188226][   T94]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.188359][   T94]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.188491][   T94]  kthread (kernel/kthread.c:436)
[   23.188586][   T94]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.188742][   T94]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.188869][   T94]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.188997][   T94]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.189155][   T94]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.189290][   T94]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.189422][   T94]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.191723][    C2] tun0: no available key for peer 5, key-id: 0
| [   23.301656][   T94] ------------[ cut here ]------------
| [   23.301845][   T94] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/94
| [   23.302941][   T94] Tainted: [W]=WARN
[   23.303080][   T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.303311][   T94] Workqueue: events_unbound linkwatch_event
[   23.303529][   T94] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.303736][   T94] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.304228][   T94] RSP: 0018:ffa00000006179e0 EFLAGS: 00010286
[   23.304453][   T94] RAX: 00000000ffffffa6 RBX: ff11000010a5e580 RCX: 1ff40000000c2f02
[   23.304681][   T94] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010a5e638
[   23.304922][   T94] RBP: ff1100000cf2c000 R08: 1fe220000214bcc8 R09: ff1100000a4ad1a8
[   23.305150][   T94] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   23.305410][   T94] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.305645][   T94] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   23.305912][   T94] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.306117][   T94] CR2: 0000000031e50748 CR3: 0000000020868005 CR4: 0000000000771ef0
[   23.306368][   T94] PKRU: 55555554
[   23.306522][   T94] Call Trace:
[   23.306662][   T94]  <TASK>
[   23.306772][   T94]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.306949][   T94]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.307125][   T94]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.307290][   T94]  netif_state_change (net/core/dev.c:1605)
[   23.307478][   T94]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   23.307682][   T94]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.307854][   T94]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.308032][   T94]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.308214][   T94]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.308412][   T94]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   23.308604][   T94]  process_one_work (kernel/workqueue.c:3314)
[   23.308780][   T94]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.308961][   T94]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.309138][   T94]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.309331][   T94]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.309520][   T94]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.309693][   T94]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.309867][   T94]  kthread (kernel/kthread.c:436)
[   23.310011][   T94]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.310236][   T94]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.310426][   T94]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.310600][   T94]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.310802][   T94]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.310978][   T94]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.311154][   T94]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.313000][  T685] tun1: deleting peer with id 10, reason 1
| [   35.313837][   T71] ------------[ cut here ]------------
| [   35.313970][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/71
| [   35.314531][   T71] Tainted: [W]=WARN
[   35.314627][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.314785][   T71] Workqueue: events_unbound linkwatch_event
[   35.314953][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.315118][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.315588][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   35.315747][   T71] RAX: 00000000ffffffa6 RBX: ff1100000953f380 RCX: 1ff4000000098f02
[   35.315947][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000953f438
[   35.316137][   T71] RBP: ff11000007f99000 R08: 1fe22000012a7e88 R09: ff11000008dbaea8
[   35.316333][   T71] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   35.316527][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.316715][   T71] FS:  0000000000000000(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   35.316944][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.317106][   T71] CR2: 000000001cd69808 CR3: 0000000004abf006 CR4: 0000000000771ef0
[   35.317296][   T71] PKRU: 55555554
[   35.317402][   T71] Call Trace:
[   35.317498][   T71]  <TASK>
[   35.317564][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.317694][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.317821][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.317917][   T71]  netif_state_change (net/core/dev.c:1605)
[   35.318047][   T71]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   35.318177][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   35.318339][   T71]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   35.318519][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   35.318645][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   35.318771][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.318899][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   35.319023][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   35.319146][   T71]  process_one_work (kernel/workqueue.c:3314)
[   35.319281][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.319465][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.319597][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.319722][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.319927][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.320052][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.320177][   T71]  kthread (kernel/kthread.c:436)
[   35.320271][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.320465][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.320591][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.320719][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.320874][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.321000][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.321135][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.270278][  T737] tun2: deleting peer with id 11, reason 1
| [   38.270663][   T39] ------------[ cut here ]------------
| [   38.270809][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   38.271371][   T39] Tainted: [W]=WARN
[   38.271475][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.271635][   T39] Workqueue: events_unbound linkwatch_event
[   38.271801][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.271968][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.272434][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   38.272601][   T39] RAX: 00000000ffffffa6 RBX: ff110000214a71c0 RCX: 1ff4000000057f02
[   38.272787][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000214a7278
[   38.272976][   T39] RBP: ff1100000a48c000 R08: 1fe2200004294e50 R09: ff11000001d951a8
[   38.273192][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   38.273382][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.273580][   T39] FS:  0000000000000000(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   38.273802][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.273962][   T39] CR2: 00007fde30826ff0 CR3: 0000000016549001 CR4: 0000000000771ef0
[   38.274153][   T39] PKRU: 55555554
[   38.274257][   T39] Call Trace:
[   38.274357][   T39]  <TASK>
[   38.274437][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.274564][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.274693][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.274795][   T39]  netif_state_change (net/core/dev.c:1605)
[   38.274923][   T39]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   38.275051][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   38.275215][   T39]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   38.275344][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   38.275487][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.275614][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.275744][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.275872][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   38.276000][   T39]  process_one_work (kernel/workqueue.c:3314)
[   38.276134][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.276266][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.276410][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.276541][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.276668][   T39]  kthread (kernel/kthread.c:436)
[   38.276765][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.276929][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.277057][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.277191][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.277353][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.277488][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.277615][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.419723][   T63] tun3: deleting peer with id 12, reason 2
| [   49.420306][   T39] ------------[ cut here ]------------
| [   49.420461][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   49.421008][   T39] Tainted: [W]=WARN
[   49.421105][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.421269][   T39] Workqueue: events_unbound linkwatch_event
[   49.421444][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.421610][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.422058][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   49.422229][   T39] RAX: 00000000ffffffa6 RBX: ff110000108c38c0 RCX: 1ff4000000057f02
[   49.422424][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000108c3978
[   49.422624][   T39] RBP: ff110000058fc000 R08: 1fe2200002118730 R09: ff11000001d951a8
[   49.422812][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   49.422999][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   49.423197][   T39] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   49.423424][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.423589][   T39] CR2: 00007fc4af81e010 CR3: 00000000049ef003 CR4: 0000000000771ef0
[   49.423781][   T39] PKRU: 55555554
[   49.423877][   T39] Call Trace:
[   49.423973][   T39]  <TASK>
[   49.424041][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.424173][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.424301][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.424405][   T39]  netif_state_change (net/core/dev.c:1605)
[   49.424547][   T39]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   49.424673][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   49.424828][   T39]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   49.424954][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   49.425079][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   49.425209][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.425338][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   49.425474][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   49.425600][   T39]  process_one_work (kernel/workqueue.c:3314)
[   49.425731][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   49.425855][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.425988][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   49.426117][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   49.426249][   T39]  kthread (kernel/kthread.c:436)
[   49.426347][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.426533][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.426660][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.426787][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   49.426943][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.427071][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   49.427202][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.675422][   T64] tun6: deleting peer with id 15, reason 2
| [   50.443620][   T39] ------------[ cut here ]------------
| [   50.443802][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   50.444345][   T39] Tainted: [W]=WARN
[   50.444457][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.444613][   T39] Workqueue: events_unbound linkwatch_event
[   50.444775][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.444943][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.445403][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   50.445568][   T39] RAX: 00000000ffffffa6 RBX: ff11000010bdb700 RCX: 1ff4000000057f02
[   50.445758][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010bdb7b8
[   50.445945][   T39] RBP: ff1100000e5bc000 R08: 1fe220000217b6f8 R09: ff11000001d951a8
[   50.446133][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   50.446325][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.446545][   T39] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   50.446769][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.446931][   T39] CR2: 00007fc4af81e010 CR3: 00000000049ef003 CR4: 0000000000771ef0
[   50.447119][   T39] PKRU: 55555554
[   50.447219][   T39] Call Trace:
[   50.447312][   T39]  <TASK>
[   50.447376][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.447537][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.447663][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.447761][   T39]  netif_state_change (net/core/dev.c:1605)
[   50.447887][   T39]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   50.448012][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   50.448172][   T39]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   50.448298][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   50.448426][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   50.448559][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.448684][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   50.448807][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   50.448933][   T39]  process_one_work (kernel/workqueue.c:3314)
[   50.449061][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.449190][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.449322][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.449461][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.449587][   T39]  kthread (kernel/kthread.c:436)
[   50.449702][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.449859][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.449988][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.450112][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.450271][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.450404][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.450577][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.451781][   T39] ---[ end trace 0000000000000000 ]---
| [   50.452193][   T39] ------------[ cut here ]------------
| [   50.452319][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   50.452853][   T39] Tainted: [W]=WARN
[   50.452947][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.453102][   T39] Workqueue: events_unbound linkwatch_event
[   50.453265][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.453432][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.453882][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   50.454037][   T39] RAX: 00000000ffffffa6 RBX: ff11000010bdb380 RCX: 1ff4000000057f02
[   50.454229][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010bdb438
[   50.454421][   T39] RBP: ff110000088bc000 R08: 1fe220000217b688 R09: ff11000001d951a8
[   50.454615][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   50.454799][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.454986][   T39] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   50.455205][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.455361][   T39] CR2: 00007fc4af81e010 CR3: 00000000049ef003 CR4: 0000000000771ef0
[   50.455562][   T39] PKRU: 55555554
[   50.455656][   T39] Call Trace:
[   50.455750][   T39]  <TASK>
[   50.455815][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.455962][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.456087][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.456187][   T39]  netif_state_change (net/core/dev.c:1605)
[   50.456312][   T39]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   50.456450][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   50.456607][   T39]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   50.456732][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   50.456856][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   50.456980][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.457107][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   50.457233][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   50.457359][   T39]  process_one_work (kernel/workqueue.c:3314)
[   50.457497][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.457620][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.457748][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.457877][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.458001][   T39]  kthread (kernel/kthread.c:436)
[   50.458095][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.458255][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.458379][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.458514][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.458668][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.458794][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.458920][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.460122][   T39] ---[ end trace 0000000000000000 ]---
| [   50.460548][   T39] ------------[ cut here ]------------
| [   50.460670][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   50.461197][   T39] Tainted: [W]=WARN
[   50.461292][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.461457][   T39] Workqueue: events_unbound linkwatch_event
[   50.461618][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.461780][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.462228][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   50.462383][   T39] RAX: 00000000ffffffa6 RBX: ff11000010bdac80 RCX: 1ff4000000057f02
[   50.462583][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010bdad38
[   50.462784][   T39] RBP: ff1100000cf2c000 R08: 1fe220000217b5a8 R09: ff11000001d951a8
[   50.462970][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   50.463153][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   50.463342][   T39] FS:  0000000000000000(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   50.463569][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.463722][   T39] CR2: 00007fc4af81e010 CR3: 00000000049ef003 CR4: 0000000000771ef0
[   50.463926][   T39] PKRU: 55555554
[   50.464019][   T39] Call Trace:
[   50.464115][   T39]  <TASK>
[   50.464181][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.464305][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.464432][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.464531][   T39]  netif_state_change (net/core/dev.c:1605)
[   50.464653][   T39]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   50.464776][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   50.464931][   T39]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   50.465054][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   50.465177][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   50.465302][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.465432][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   50.465560][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   50.465683][   T39]  process_one_work (kernel/workqueue.c:3314)
[   50.465810][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   50.465932][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.466059][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.466192][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   50.466315][   T39]  kthread (kernel/kthread.c:436)
[   50.466412][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.466868][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.466992][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.467115][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   50.467278][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.467494][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   50.467617][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.468956][   T39] ---[ end trace 0000000000000000 ]---
| [   52.650319][  T918] ------------[ cut here ]------------
| [   52.650513][  T918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/918
| [   52.651030][  T918] Tainted: [W]=WARN
[   52.651132][  T918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.651302][  T918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.651483][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.651943][  T918] RSP: 0018:ffa0000001f17058 EFLAGS: 00010286
[   52.652111][  T918] RAX: 00000000ffffffa6 RBX: ff11000010bdb540 RCX: 1ff40000003e2dd1
[   52.652312][  T918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010bdb5f8
[   52.652578][  T918] RBP: ff1100000207c000 R08: 1fe220000217b6c0 R09: ff11000020a38b58
[   52.652771][  T918] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   52.652971][  T918] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007bb9000
[   52.653172][  T918] FS:  00007fabbd7c7840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   52.653459][  T918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.653633][  T918] CR2: 000000003085a988 CR3: 0000000020864001 CR4: 0000000000771ef0
[   52.653829][  T918] PKRU: 55555554
[   52.653928][  T918] Call Trace:
[   52.654025][  T918]  <TASK>
[   52.654093][  T918]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.654229][  T918]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.654327][  T918]  netif_close_many (net/core/dev.c:1804)
[   52.654531][  T918]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.654661][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.654793][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.654923][  T918]  ? __dev_close_many (net/core/dev.c:1781)
[   52.655056][  T918]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   52.655225][  T918]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   52.655390][  T918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.655603][  T918]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.655765][  T918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.655896][  T918]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.656026][  T918]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.656195][  T918]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   52.656328][  T918]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.656527][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.656657][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.656787][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.656918][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.657059][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.657193][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.657321][  T918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.657543][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.657674][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.657806][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.657937][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.658065][  T918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.658202][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.658330][  T918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.658554][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.658684][  T918]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.658811][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.658941][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.659072][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.659207][  T918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.659337][  T918]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.659548][  T918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.659687][  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))
[   52.659815][  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))
[   52.659945][  T918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.660075][  T918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.660210][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.660339][  T918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.660541][  T918]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.660673][  T918]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.660811][  T918]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.660943][  T918]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.661071][  T918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.661234][  T918]  ? move_addr_to_kernel (net/socket.c:258)
[   52.661365][  T918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.661547][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.661677][  T918]  ___sys_sendmsg (net/socket.c:2752)
[   52.661805][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.661966][  T918]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.662105][  T918]  __sys_sendmsg (net/socket.c:2784)
[   52.662238][  T918]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.662365][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.662539][  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)
[   52.662668][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.662801][  T918]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.662936][  T918]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.663067][  T918]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.663201][  T918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.663361][  T918] RIP: 0033:0x7fabbda0108e
[   52.663516][  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
[   52.663975][  T918] RSP: 002b:00007ffceb4b7b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.664175][  T918] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fabbda0108e
[   52.664367][  T918] RDX: 0000000000000000 RSI: 00007ffceb4b7c00 RDI: 0000000000000005
[   52.664567][  T918] RBP: 00007ffceb4b7b60 R08: 0000000000000000 R09: 0000000000000000
[   52.664758][  T918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.664954][  T918] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffceb4b82d0
| [   52.666268][  T918] ---[ end trace 0000000000000000 ]---
| [   52.668424][  T918] ------------[ cut here ]------------
| [   52.668572][  T918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/918
| [   52.669061][  T918] Tainted: [W]=WARN
[   52.669161][  T918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.669327][  T918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.669512][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.669972][  T918] RSP: 0018:ffa0000001f17058 EFLAGS: 00010286
[   52.670139][  T918] RAX: 00000000ffffffa6 RBX: ff1100001fd98e40 RCX: 1ff40000003e2dd1
[   52.670335][  T918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001fd98ef8
[   52.670542][  T918] RBP: ff11000007bb9000 R08: 1fe2200003fb31e0 R09: ff11000020a38b58
[   52.670735][  T918] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   52.670930][  T918] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001f170f0
[   52.671124][  T918] FS:  00007fabbd7c7840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   52.671355][  T918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.671531][  T918] CR2: 00007fd7e8f8d000 CR3: 0000000020864005 CR4: 0000000000771ef0
[   52.671726][  T918] PKRU: 55555554
[   52.671824][  T918] Call Trace:
[   52.671922][  T918]  <TASK>
[   52.671988][  T918]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.672117][  T918]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.672253][  T918]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.672352][  T918]  netif_close_many (net/core/dev.c:1804)
[   52.672491][  T918]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.672621][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.672752][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.672880][  T918]  ? __dev_close_many (net/core/dev.c:1781)
[   52.673009][  T918]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   52.673175][  T918]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   52.673336][  T918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.673477][  T918]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.673638][  T918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.673767][  T918]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.673897][  T918]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.674057][  T918]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   52.674192][  T918]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.674321][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.674459][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.674594][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.674720][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.674863][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.674991][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.675121][  T918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.675258][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.675388][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.675528][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.675655][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.675787][  T918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.675918][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.676046][  T918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.676177][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.676304][  T918]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.676438][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.676573][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.676702][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.676833][  T918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.676962][  T918]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.677091][  T918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.677228][  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))
[   52.677356][  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))
[   52.677508][  T918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.677640][  T918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.677769][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.677900][  T918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.678029][  T918]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.678159][  T918]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.678307][  T918]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.678442][  T918]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.678576][  T918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.678735][  T918]  ? move_addr_to_kernel (net/socket.c:258)
[   52.678864][  T918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.678994][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.679126][  T918]  ___sys_sendmsg (net/socket.c:2752)
[   52.679259][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.679425][  T918]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.679568][  T918]  __sys_sendmsg (net/socket.c:2784)
[   52.679700][  T918]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.679828][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.679991][  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)
[   52.680119][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.680254][  T918]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.680390][  T918]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.680536][  T918]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.680675][  T918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.680838][  T918] RIP: 0033:0x7fabbda0108e
[   52.680975][  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
[   52.681442][  T918] RSP: 002b:00007ffceb4b7b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.681644][  T918] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fabbda0108e
[   52.681840][  T918] RDX: 0000000000000000 RSI: 00007ffceb4b7c00 RDI: 0000000000000005
[   52.682033][  T918] RBP: 00007ffceb4b7b60 R08: 0000000000000000 R09: 0000000000000000
[   52.682229][  T918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.682428][  T918] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffceb4b82d0
| [   52.683747][  T918] ---[ end trace 0000000000000000 ]---
| [   52.685991][  T918] ------------[ cut here ]------------
| [   52.686128][  T918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/918
| [   52.686640][  T918] Tainted: [W]=WARN
[   52.686735][  T918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.686895][  T918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.687058][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.687516][  T918] RSP: 0018:ffa0000001f17188 EFLAGS: 00010286
[   52.687673][  T918] RAX: 00000000ffffffa6 RBX: ff11000004a55a80 RCX: 1ff40000003e2df7
[   52.687859][  T918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a55b38
[   52.688047][  T918] RBP: ff1100000207c000 R08: 1fe220000094ab68 R09: ff11000020a38b58
[   52.688236][  T918] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.688429][  T918] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.688622][  T918] FS:  00007fabbd7c7840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   52.688841][  T918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.688998][  T918] CR2: 00007fd7e8f8d000 CR3: 0000000020864005 CR4: 0000000000771ef0
[   52.689192][  T918] PKRU: 55555554
[   52.689288][  T918] Call Trace:
[   52.689381][  T918]  <TASK>
[   52.689452][  T918]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.689616][  T918]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.689771][  T918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.689899][  T918]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.690023][  T918]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.690207][  T918]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.690334][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.691346][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.691532][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.691659][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.691797][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.691922][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.692046][  T918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.692174][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.692302][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.692486][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.692687][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.692815][  T918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.692944][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.693069][  T918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.693200][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.693326][  T918]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.693509][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.693660][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.693784][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.693912][  T918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.694038][  T918]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.694169][  T918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.694297][  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))
[   52.694481][  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))
[   52.694609][  T918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.694759][  T918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.694886][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.695011][  T918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.695139][  T918]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.695267][  T918]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.695446][  T918]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.695577][  T918]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.695707][  T918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.695861][  T918]  ? move_addr_to_kernel (net/socket.c:258)
[   52.695989][  T918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.696115][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.696246][  T918]  ___sys_sendmsg (net/socket.c:2752)
[   52.696370][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.696583][  T918]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.696719][  T918]  __sys_sendmsg (net/socket.c:2784)
[   52.696844][  T918]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.696970][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.697136][  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)
[   52.697266][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.697447][  T918]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.697578][  T918]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.697704][  T918]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.697829][  T918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.697984][  T918] RIP: 0033:0x7fabbda0108e
[   52.698115][  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
[   52.698661][  T918] RSP: 002b:00007ffceb4b7b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.698851][  T918] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fabbda0108e
[   52.699039][  T918] RDX: 0000000000000000 RSI: 00007ffceb4b7c00 RDI: 0000000000000005
[   52.699230][  T918] RBP: 00007ffceb4b7b60 R08: 0000000000000000 R09: 0000000000000000
[   52.699477][  T918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.699663][  T918] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffceb4b82d0
| [   52.700972][  T918] ---[ end trace 0000000000000000 ]---
| [   52.702942][  T918] ------------[ cut here ]------------
| [   52.703122][  T918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/918
| [   52.703748][  T918] Tainted: [W]=WARN
[   52.703890][  T918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.704102][  T918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.704323][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.704847][  T918] RSP: 0018:ffa0000001f17188 EFLAGS: 00010286
[   52.705056][  T918] RAX: 00000000ffffffa6 RBX: ff110000108c3a80 RCX: 1ff40000003e2df7
[   52.705302][  T918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000108c3b38
[   52.705581][  T918] RBP: ff11000007bb9000 R08: 1fe2200002118768 R09: ff11000020a38b58
[   52.705816][  T918] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   52.706050][  T918] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.706299][  T918] FS:  00007fabbd7c7840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   52.706590][  T918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.706797][  T918] CR2: 00007fbd32654f98 CR3: 0000000020864001 CR4: 0000000000771ef0
[   52.707043][  T918] PKRU: 55555554
[   52.707188][  T918] Call Trace:
[   52.707333][  T918]  <TASK>
[   52.707458][  T918]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.707676][  T918]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.707882][  T918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.708060][  T918]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.708243][  T918]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.708472][  T918]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.708649][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.708821][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.708996][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.709169][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.709368][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.709563][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.709738][  T918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.709912][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.710087][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.710274][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.710461][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.710641][  T918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.710818][  T918]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.710993][  T918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.711170][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.711350][  T918]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.711556][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.711731][  T918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.711904][  T918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.712079][  T918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.712266][  T918]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.712485][  T918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.712675][  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))
[   52.712849][  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))
[   52.713026][  T918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.713209][  T918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.713384][  T918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.713583][  T918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.713759][  T918]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.713936][  T918]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.714113][  T918]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.714300][  T918]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.714492][  T918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.714696][  T918]  ? move_addr_to_kernel (net/socket.c:258)
[   52.714874][  T918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.715049][  T918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.715235][  T918]  ___sys_sendmsg (net/socket.c:2752)
[   52.715422][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.715635][  T918]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.715820][  T918]  __sys_sendmsg (net/socket.c:2784)
[   52.715995][  T918]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.716169][  T918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.716385][  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)
[   52.716583][  T918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.716758][  T918]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.716957][  T918]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.717132][  T918]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.717317][  T918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.717543][  T918] RIP: 0033:0x7fabbda0108e
[   52.717723][  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
[   52.718222][  T918] RSP: 002b:00007ffceb4b7b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.718484][  T918] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fabbda0108e
[   52.718723][  T918] RDX: 0000000000000000 RSI: 00007ffceb4b7c00 RDI: 0000000000000005
[   52.718957][  T918] RBP: 00007ffceb4b7b60 R08: 0000000000000000 R09: 0000000000000000
[   52.719197][  T918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.719445][  T918] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffceb4b82d0
| [   52.721133][  T918] ---[ end trace 0000000000000000 ]---
| [   52.767982][  T920] ------------[ cut here ]------------
| [   52.768142][  T920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/920
| [   52.769272][  T920] Tainted: [W]=WARN
[   52.769371][  T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.769544][  T920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.769710][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.770167][  T920] RSP: 0018:ffa0000001f97058 EFLAGS: 00010286
[   52.770332][  T920] RAX: 00000000ffffffa6 RBX: ff110000108c3000 RCX: 1ff40000003f2dd1
[   52.770561][  T920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000108c30b8
[   52.770778][  T920] RBP: ff11000008871000 R08: 1fe2200002118618 R09: ff1100000d17ae58
[   52.770970][  T920] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   52.771166][  T920] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d54000
[   52.771362][  T920] FS:  00007f8370e66840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   52.771602][  T920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.771764][  T920] CR2: 0000000039dce988 CR3: 00000000202a3004 CR4: 0000000000771ef0
[   52.771955][  T920] PKRU: 55555554
[   52.772052][  T920] Call Trace:
[   52.772148][  T920]  <TASK>
[   52.772221][  T920]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.772351][  T920]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.772455][  T920]  netif_close_many (net/core/dev.c:1804)
[   52.772589][  T920]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.772718][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.772845][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.772980][  T920]  ? __dev_close_many (net/core/dev.c:1781)
[   52.773110][  T920]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   52.773272][  T920]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   52.773443][  T920]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.773576][  T920]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.773735][  T920]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.773862][  T920]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.773991][  T920]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.774153][  T920]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   52.774288][  T920]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.774422][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.774556][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.774686][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.774813][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.774955][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.775083][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.775216][  T920]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.775344][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.775486][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.775614][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.775740][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.775867][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.775996][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.776126][  T920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.776258][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.776387][  T920]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.776523][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.776652][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.776778][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.776916][  T920]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.777045][  T920]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.777182][  T920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.777316][  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))
[   52.777451][  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))
[   52.777610][  T920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.777740][  T920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.777868][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.777996][  T920]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.778124][  T920]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.778257][  T920]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.778386][  T920]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.778526][  T920]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.778653][  T920]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.778812][  T920]  ? move_addr_to_kernel (net/socket.c:258)
[   52.778941][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.779070][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.779205][  T920]  ___sys_sendmsg (net/socket.c:2752)
[   52.779334][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.779544][  T920]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.779683][  T920]  __sys_sendmsg (net/socket.c:2784)
[   52.779811][  T920]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.779939][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.780102][  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)
[   52.780236][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.780363][  T920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.780505][  T920]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.780633][  T920]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.780760][  T920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.780919][  T920] RIP: 0033:0x7f83710a008e
[   52.781051][  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
[   52.781524][  T920] RSP: 002b:00007fffc6baab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.781717][  T920] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f83710a008e
[   52.781910][  T920] RDX: 0000000000000000 RSI: 00007fffc6baabf0 RDI: 0000000000000005
[   52.782103][  T920] RBP: 00007fffc6baab50 R08: 0000000000000000 R09: 0000000000000000
[   52.782299][  T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.782500][  T920] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc6bab2c0
| [   52.783782][  T920] ---[ end trace 0000000000000000 ]---
| [   52.790716][  T920] ------------[ cut here ]------------
| [   52.790851][  T920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/920
| [   52.791335][  T920] Tainted: [W]=WARN
[   52.791912][  T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.792076][  T920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.792248][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.792709][  T920] RSP: 0018:ffa0000001f97058 EFLAGS: 00010286
[   52.792870][  T920] RAX: 00000000ffffffa6 RBX: ff11000004f69380 RCX: 1ff40000003f2dd1
[   52.793063][  T920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f69438
[   52.793257][  T920] RBP: ff11000008d54000 R08: 1fe22000009ed288 R09: ff1100000d17ae58
[   52.793452][  T920] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   52.793646][  T920] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001f970f0
[   52.793837][  T920] FS:  00007f8370e66840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   52.794062][  T920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.794229][  T920] CR2: 0000000039dce988 CR3: 00000000202a3004 CR4: 0000000000771ef0
[   52.794425][  T920] PKRU: 55555554
[   52.794528][  T920] Call Trace:
[   52.794624][  T920]  <TASK>
[   52.794689][  T920]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.794820][  T920]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.794949][  T920]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.795047][  T920]  netif_close_many (net/core/dev.c:1804)
[   52.795180][  T920]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.795308][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.795440][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.795573][  T920]  ? __dev_close_many (net/core/dev.c:1781)
[   52.795700][  T920]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   52.795861][  T920]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   52.796022][  T920]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.796150][  T920]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.796314][  T920]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.796451][  T920]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.796584][  T920]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.796748][  T920]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   52.796880][  T920]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.797009][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.797137][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.797268][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.797409][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.797557][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.797684][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.797813][  T920]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.797941][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.798070][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.798210][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.798337][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.798477][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.798606][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.798737][  T920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.798867][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.798996][  T920]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.799124][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.799258][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.799385][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.799527][  T920]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.799655][  T920]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.799784][  T920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.799917][  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))
[   52.800045][  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))
[   52.800179][  T920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.800310][  T920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.800443][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.800578][  T920]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.800707][  T920]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.800838][  T920]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.800969][  T920]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.801097][  T920]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.801229][  T920]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.801386][  T920]  ? move_addr_to_kernel (net/socket.c:258)
[   52.801526][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.801654][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.801784][  T920]  ___sys_sendmsg (net/socket.c:2752)
[   52.801913][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.802073][  T920]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.802214][  T920]  __sys_sendmsg (net/socket.c:2784)
[   52.802344][  T920]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.802481][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.802642][  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)
[   52.802772][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.802900][  T920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.803031][  T920]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.803159][  T920]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.803292][  T920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.803457][  T920] RIP: 0033:0x7f83710a008e
[   52.803596][  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
[   52.804053][  T920] RSP: 002b:00007fffc6baab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.804253][  T920] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f83710a008e
[   52.804451][  T920] RDX: 0000000000000000 RSI: 00007fffc6baabf0 RDI: 0000000000000005
[   52.804653][  T920] RBP: 00007fffc6baab50 R08: 0000000000000000 R09: 0000000000000000
[   52.804844][  T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.805035][  T920] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc6bab2c0
| [   52.806331][  T920] ---[ end trace 0000000000000000 ]---
| [   52.808181][  T920] ------------[ cut here ]------------
| [   52.808309][  T920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/920
| [   52.809469][  T920] Tainted: [W]=WARN
[   52.809564][  T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.809720][  T920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.809938][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.810383][  T920] RSP: 0018:ffa0000001f97188 EFLAGS: 00010286
[   52.810598][  T920] RAX: 00000000ffffffa6 RBX: ff110000209f18c0 RCX: 1ff40000003f2df7
[   52.810789][  T920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000209f1978
[   52.810975][  T920] RBP: ff11000008871000 R08: 1fe220000413e330 R09: ff1100000d17ae58
[   52.811161][  T920] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   52.811352][  T920] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.811595][  T920] FS:  00007f8370e66840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   52.811814][  T920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.811971][  T920] CR2: 0000000039dce988 CR3: 00000000202a3004 CR4: 0000000000771ef0
[   52.812157][  T920] PKRU: 55555554
[   52.812255][  T920] Call Trace:
[   52.812348][  T920]  <TASK>
[   52.812470][  T920]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.812627][  T920]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.812781][  T920]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.812905][  T920]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.813030][  T920]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.813194][  T920]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.813319][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.813501][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.813626][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.813751][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.813904][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.814027][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.814151][  T920]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.814282][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.814457][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.814586][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.814709][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.814834][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.814961][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.815085][  T920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.815213][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.815337][  T920]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.815517][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.815642][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.815766][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.815896][  T920]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.816023][  T920]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.816149][  T920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.816282][  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))
[   52.816454][  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))
[   52.816587][  T920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.816713][  T920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.816841][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.816966][  T920]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.817092][  T920]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.817221][  T920]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.817347][  T920]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.817530][  T920]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.817654][  T920]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.817812][  T920]  ? move_addr_to_kernel (net/socket.c:258)
[   52.817937][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.818062][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.818191][  T920]  ___sys_sendmsg (net/socket.c:2752)
[   52.818315][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.818528][  T920]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.818662][  T920]  __sys_sendmsg (net/socket.c:2784)
[   52.818787][  T920]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.818915][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.819073][  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)
[   52.819203][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.819328][  T920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.819510][  T920]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.819633][  T920]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.819755][  T920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.819907][  T920] RIP: 0033:0x7f83710a008e
[   52.820036][  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
[   52.820552][  T920] RSP: 002b:00007fffc6baab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.820738][  T920] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f83710a008e
[   52.820926][  T920] RDX: 0000000000000000 RSI: 00007fffc6baabf0 RDI: 0000000000000005
[   52.821114][  T920] RBP: 00007fffc6baab50 R08: 0000000000000000 R09: 0000000000000000
[   52.821304][  T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.821549][  T920] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc6bab2c0
| [   52.822844][  T920] ---[ end trace 0000000000000000 ]---
| [   52.824493][  T920] ------------[ cut here ]------------
| [   52.824630][  T920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/920
| [   52.825101][  T920] Tainted: [W]=WARN
[   52.825202][  T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.825357][  T920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.825534][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.825975][  T920] RSP: 0018:ffa0000001f97188 EFLAGS: 00010286
[   52.826131][  T920] RAX: 00000000ffffffa6 RBX: ff1100002003c900 RCX: 1ff40000003f2df7
[   52.826319][  T920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100002003c9b8
[   52.826522][  T920] RBP: ff11000008d54000 R08: 1fe2200004007938 R09: ff1100000d17ae58
[   52.826705][  T920] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   52.826891][  T920] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.827076][  T920] FS:  00007f8370e66840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   52.827301][  T920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.827468][  T920] CR2: 000055cfb0bebd5c CR3: 00000000202a3005 CR4: 0000000000771ef0
[   52.827657][  T920] PKRU: 55555554
[   52.827749][  T920] Call Trace:
[   52.827840][  T920]  <TASK>
[   52.827910][  T920]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.828067][  T920]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.828226][  T920]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.828349][  T920]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.828490][  T920]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.828660][  T920]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.828784][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.828909][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.829043][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.829171][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.829307][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.829435][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.829564][  T920]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.829689][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.829813][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.829935][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.830059][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.830187][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.830314][  T920]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.830441][  T920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.830571][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.830696][  T920]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.830824][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.830949][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.831072][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.831201][  T920]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.831324][  T920]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.831453][  T920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.831584][  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))
[   52.831707][  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))
[   52.831830][  T920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.831955][  T920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.832079][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.832207][  T920]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.832333][  T920]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.832469][  T920]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.832595][  T920]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.832719][  T920]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.832846][  T920]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.832998][  T920]  ? move_addr_to_kernel (net/socket.c:258)
[   52.833123][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.833252][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.833377][  T920]  ___sys_sendmsg (net/socket.c:2752)
[   52.833511][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.833666][  T920]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.833803][  T920]  __sys_sendmsg (net/socket.c:2784)
[   52.833926][  T920]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.834049][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.834207][  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)
[   52.834331][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.834466][  T920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.834602][  T920]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.834727][  T920]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.834851][  T920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.835005][  T920] RIP: 0033:0x7f83710a008e
[   52.835134][  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
[   52.835620][  T920] RSP: 002b:00007fffc6baab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.835806][  T920] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f83710a008e
[   52.835990][  T920] RDX: 0000000000000000 RSI: 00007fffc6baabf0 RDI: 0000000000000005
[   52.836174][  T920] RBP: 00007fffc6baab50 R08: 0000000000000000 R09: 0000000000000000
[   52.836371][  T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.836564][  T920] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc6bab2c0
| [   52.837808][  T920] ---[ end trace 0000000000000000 ]---
| [   52.879744][  T921] ------------[ cut here ]------------
| [   52.879922][  T921] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/921
| [   52.881147][  T921] Tainted: [W]=WARN
[   52.881354][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.881682][  T921] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.881904][  T921] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.882421][  T921] RSP: 0018:ffa0000001f97058 EFLAGS: 00010286
[   52.882639][  T921] RAX: 00000000ffffffa6 RBX: ff1100002003d8c0 RCX: 1ff40000003f2dd1
[   52.882876][  T921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100002003d978
[   52.883112][  T921] RBP: ff1100001fe8c000 R08: 1fe2200004007b30 R09: ff11000021fd2e58
[   52.883369][  T921] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   52.883629][  T921] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001fe99000
[   52.883872][  T921] FS:  00007fa362542840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   52.884141][  T921] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.884356][  T921] CR2: 00007fa3628121a0 CR3: 00000000217e7003 CR4: 0000000000771ef0
[   52.884616][  T921] PKRU: 55555554
[   52.884759][  T921] Call Trace:
[   52.884905][  T921]  <TASK>
[   52.885018][  T921]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.885199][  T921]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.885345][  T921]  netif_close_many (net/core/dev.c:1804)
[   52.885545][  T921]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.885719][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.885895][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.886071][  T921]  ? __dev_close_many (net/core/dev.c:1781)
[   52.886261][  T921]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   52.886487][  T921]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   52.886695][  T921]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.886870][  T921]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.887077][  T921]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.887265][  T921]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.887454][  T921]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.887674][  T921]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   52.887851][  T921]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.888026][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.888208][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.888384][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.888580][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.888770][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.888943][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.889123][  T921]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.889311][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.889509][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.889684][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.889859][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.890035][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.890221][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.890415][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.890601][  T921]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.890777][  T921]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.890952][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.891128][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.891314][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.891513][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.891691][  T921]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.891870][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.892050][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.892236][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.892426][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.892610][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.892785][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.892960][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.893135][  T921]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.893320][  T921]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.893517][  T921]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.893694][  T921]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.893868][  T921]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.894071][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   52.894257][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.894449][  T921]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.894636][  T921]  ___sys_sendmsg (net/socket.c:2752)
[   52.894811][  T921]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.895016][  T921]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.895206][  T921]  __sys_sendmsg (net/socket.c:2784)
[   52.895382][  T921]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.895579][  T921]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.895787][  T921]  ? 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)
[   52.895966][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.896141][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.896322][  T921]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.896516][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.896692][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.896898][  T921] RIP: 0033:0x7fa36277c08e
[   52.897078][  T921] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.897609][  T921] RSP: 002b:00007ffe9c0dee20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.897848][  T921] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa36277c08e
[   52.898086][  T921] RDX: 0000000000000000 RSI: 00007ffe9c0deed0 RDI: 0000000000000005
[   52.898335][  T921] RBP: 00007ffe9c0dee30 R08: 0000000000000000 R09: 0000000000000000
[   52.898593][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.898828][  T921] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9c0df5a0
| [   52.900483][  T921] ---[ end trace 0000000000000000 ]---
| [   52.902057][  T921] ------------[ cut here ]------------
| [   52.902200][  T921] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/921
| [   52.902701][  T921] Tainted: [W]=WARN
[   52.902799][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.902960][  T921] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.903129][  T921] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.903606][  T921] RSP: 0018:ffa0000001f97058 EFLAGS: 00010286
[   52.903768][  T921] RAX: 00000000ffffffa6 RBX: ff1100001fccd540 RCX: 1ff40000003f2dd1
[   52.903962][  T921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001fccd5f8
[   52.904161][  T921] RBP: ff1100001fe99000 R08: 1fe2200003f99ac0 R09: ff11000021fd2e58
[   52.904358][  T921] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   52.904562][  T921] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001f970f0
[   52.904756][  T921] FS:  00007fa362542840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   52.904982][  T921] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.905144][  T921] CR2: 00007fd7e8f8d000 CR3: 00000000217e7006 CR4: 0000000000771ef0
[   52.905343][  T921] PKRU: 55555554
[   52.905448][  T921] Call Trace:
[   52.905550][  T921]  <TASK>
[   52.905618][  T921]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.905749][  T921]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.905879][  T921]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.905979][  T921]  netif_close_many (net/core/dev.c:1804)
[   52.906108][  T921]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.906239][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.906367][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.906508][  T921]  ? __dev_close_many (net/core/dev.c:1781)
[   52.906637][  T921]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   52.906800][  T921]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   52.906964][  T921]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.907096][  T921]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.907263][  T921]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.907391][  T921]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.907532][  T921]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.907692][  T921]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   52.907822][  T921]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.907952][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.908080][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.908214][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.908341][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.908496][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.908625][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.908753][  T921]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.908882][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.909014][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.909142][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.909273][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.909407][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.909542][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.909668][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.909796][  T921]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.909924][  T921]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.910053][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.910190][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.910321][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.910457][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.910593][  T921]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.910722][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.910854][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.910982][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.911112][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.911246][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.911374][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.911515][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.911644][  T921]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.911772][  T921]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.911901][  T921]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.912029][  T921]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.912157][  T921]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.912321][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   52.912456][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.912592][  T921]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.912723][  T921]  ___sys_sendmsg (net/socket.c:2752)
[   52.912853][  T921]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.913015][  T921]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.913153][  T921]  __sys_sendmsg (net/socket.c:2784)
[   52.913290][  T921]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.913424][  T921]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.913591][  T921]  ? 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)
[   52.913721][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.913850][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.913979][  T921]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.914107][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.914240][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.914405][  T921] RIP: 0033:0x7fa36277c08e
[   52.914545][  T921] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.915002][  T921] RSP: 002b:00007ffe9c0dee20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.915203][  T921] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa36277c08e
[   52.915399][  T921] RDX: 0000000000000000 RSI: 00007ffe9c0deed0 RDI: 0000000000000005
[   52.915597][  T921] RBP: 00007ffe9c0dee30 R08: 0000000000000000 R09: 0000000000000000
[   52.915787][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.915979][  T921] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9c0df5a0
| [   52.917280][  T921] ---[ end trace 0000000000000000 ]---
| [   52.920868][  T921] ------------[ cut here ]------------
| [   52.920999][  T921] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/921
| [   52.921493][  T921] Tainted: [W]=WARN
[   52.921588][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.921745][  T921] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.921911][  T921] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.922363][  T921] RSP: 0018:ffa0000001f97188 EFLAGS: 00010286
[   52.922536][  T921] RAX: 00000000ffffffa6 RBX: ff1100000d0cda80 RCX: 1ff40000003f2df7
[   52.922725][  T921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0cdb38
[   52.922914][  T921] RBP: ff1100001fe8c000 R08: 1fe2200001a19b68 R09: ff11000021fd2e58
[   52.923100][  T921] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.923294][  T921] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.923643][  T921] FS:  00007fa362542840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   52.923867][  T921] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.924024][  T921] CR2: 00007fd7e8f8d000 CR3: 00000000217e7006 CR4: 0000000000771ef0
[   52.924220][  T921] PKRU: 55555554
[   52.924313][  T921] Call Trace:
[   52.924509][  T921]  <TASK>
[   52.924574][  T921]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.924938][  T921]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.925094][  T921]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.925228][  T921]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.925354][  T921]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.925572][  T921]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.925700][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.925826][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.925952][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.926079][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.926220][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.926344][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.926568][  T921]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.926693][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.926818][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.926942][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.927068][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.927199][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.927324][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.927510][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.927637][  T921]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.927763][  T921]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.927889][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.928017][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.928144][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.928273][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.928419][  T921]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.928553][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.928682][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.928815][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.928943][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.929069][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.929202][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.929328][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.929462][  T921]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.929594][  T921]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.929720][  T921]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.929845][  T921]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.929976][  T921]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.930134][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   52.930265][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.930390][  T921]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.930536][  T921]  ___sys_sendmsg (net/socket.c:2752)
[   52.930660][  T921]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.930815][  T921]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.930951][  T921]  __sys_sendmsg (net/socket.c:2784)
[   52.931078][  T921]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.931206][  T921]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.931388][  T921]  ? 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)
[   52.931529][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.931656][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.931782][  T921]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.931910][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.932036][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.932198][  T921] RIP: 0033:0x7fa36277c08e
[   52.932329][  T921] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.932787][  T921] RSP: 002b:00007ffe9c0dee20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.932978][  T921] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa36277c08e
[   52.933169][  T921] RDX: 0000000000000000 RSI: 00007ffe9c0deed0 RDI: 0000000000000005
[   52.933355][  T921] RBP: 00007ffe9c0dee30 R08: 0000000000000000 R09: 0000000000000000
[   52.933554][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.933743][  T921] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9c0df5a0
| [   52.935035][  T921] ---[ end trace 0000000000000000 ]---
| [   52.945590][  T921] ------------[ cut here ]------------
| [   52.945725][  T921] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/921
| [   52.946207][  T921] Tainted: [W]=WARN
[   52.946301][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.946483][  T921] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.946646][  T921] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.947098][  T921] RSP: 0018:ffa0000001f97188 EFLAGS: 00010286
[   52.947262][  T921] RAX: 00000000ffffffa6 RBX: ff110000028a6ac0 RCX: 1ff40000003f2df7
[   52.947455][  T921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028a6b78
[   52.947646][  T921] RBP: ff1100001fe99000 R08: 1fe2200000514d70 R09: ff11000021fd2e58
[   52.947831][  T921] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.948021][  T921] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.948209][  T921] FS:  00007fa362542840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   52.948436][  T921] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.948599][  T921] CR2: 00007fd7e8f8d000 CR3: 00000000217e7006 CR4: 0000000000771ef0
[   52.948787][  T921] PKRU: 55555554
[   52.948881][  T921] Call Trace:
[   52.948980][  T921]  <TASK>
[   52.949049][  T921]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.949210][  T921]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.949365][  T921]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.949503][  T921]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.949626][  T921]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   52.949784][  T921]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   52.949910][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.950033][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.950158][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.950285][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.950429][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.950558][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.950684][  T921]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.950809][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.950937][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.951065][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.951195][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.951320][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.951453][  T921]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   52.951595][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.951724][  T921]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.951849][  T921]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.951974][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.952100][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.952229][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.952355][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.952492][  T921]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   52.952616][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.952748][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.952872][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.952999][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.953126][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.953256][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.953383][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.953520][  T921]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.953648][  T921]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.953774][  T921]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.953900][  T921]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.954025][  T921]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.954187][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   52.954315][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.954449][  T921]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.954581][  T921]  ___sys_sendmsg (net/socket.c:2752)
[   52.954707][  T921]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.954862][  T921]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.954998][  T921]  __sys_sendmsg (net/socket.c:2784)
[   52.955124][  T921]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.955254][  T921]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.955432][  T921]  ? 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)
[   52.955567][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.955692][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.955817][  T921]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.955942][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.956066][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.956225][  T921] RIP: 0033:0x7fa36277c08e
[   52.956355][  T921] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.956816][  T921] RSP: 002b:00007ffe9c0dee20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.957007][  T921] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa36277c08e
[   52.957198][  T921] RDX: 0000000000000000 RSI: 00007ffe9c0deed0 RDI: 0000000000000005
[   52.957385][  T921] RBP: 00007ffe9c0dee30 R08: 0000000000000000 R09: 0000000000000000
[   52.957583][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   52.957767][  T921] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9c0df5a0
| [   52.959039][  T921] ---[ end trace 0000000000000000 ]---
| [   53.006388][  T922] ------------[ cut here ]------------
| [   53.006602][  T922] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/922
| [   53.007186][  T922] Tainted: [W]=WARN
[   53.007335][  T922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.007569][  T922] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.007787][  T922] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.008305][  T922] RSP: 0018:ffa0000001fa7058 EFLAGS: 00010286
[   53.008538][  T922] RAX: 00000000ffffffa6 RBX: ff110000028a7a80 RCX: 1ff40000003f4dd1
[   53.008778][  T922] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028a7b38
[   53.009023][  T922] RBP: ff110000200b4000 R08: 1fe2200000514f68 R09: ff11000021fd5158
[   53.009274][  T922] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   53.009535][  T922] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000075c9000
[   53.009792][  T922] FS:  00007fe8d831a840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.010070][  T922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.010293][  T922] CR2: 0000000017269988 CR3: 0000000020965006 CR4: 0000000000771ef0
[   53.010552][  T922] PKRU: 55555554
[   53.010697][  T922] Call Trace:
[   53.010841][  T922]  <TASK>
[   53.010955][  T922]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.011134][  T922]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.011290][  T922]  netif_close_many (net/core/dev.c:1804)
[   53.011491][  T922]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.011669][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.011845][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.012022][  T922]  ? __dev_close_many (net/core/dev.c:1781)
[   53.012209][  T922]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.012433][  T922]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.012662][  T922]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.012839][  T922]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.013048][  T922]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.013239][  T922]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.013428][  T922]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.013648][  T922]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.013828][  T922]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.014006][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.014186][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.014371][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.014571][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.014764][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.014944][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.015122][  T922]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.015312][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.015514][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.015694][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.015872][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.016051][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.016244][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.016437][  T922]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.016623][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.016801][  T922]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.016979][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.017165][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.017350][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.017552][  T922]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.017730][  T922]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.017910][  T922]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.018091][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.018279][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.018489][  T922]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.018672][  T922]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.018850][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.019031][  T922]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.019221][  T922]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.019412][  T922]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.019603][  T922]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.019781][  T922]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.019963][  T922]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.020174][  T922]  ? move_addr_to_kernel (net/socket.c:258)
[   53.020378][  T922]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.020579][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.020760][  T922]  ___sys_sendmsg (net/socket.c:2752)
[   53.020936][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.021147][  T922]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.021348][  T922]  __sys_sendmsg (net/socket.c:2784)
[   53.021550][  T922]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.021726][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.021938][  T922]  ? 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)
[   53.022118][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.022311][  T922]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.022510][  T922]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.022688][  T922]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.022869][  T922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.023076][  T922] RIP: 0033:0x7fe8d855408e
[   53.023271][  T922] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.023800][  T922] RSP: 002b:00007fff89a74f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.024049][  T922] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe8d855408e
[   53.024313][  T922] RDX: 0000000000000000 RSI: 00007fff89a74fc0 RDI: 0000000000000005
[   53.024576][  T922] RBP: 00007fff89a74f20 R08: 0000000000000000 R09: 0000000000000000
[   53.024816][  T922] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.025060][  T922] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89a75690
| [   53.026770][  T922] ---[ end trace 0000000000000000 ]---
| [   53.028278][  T922] ------------[ cut here ]------------
| [   53.028479][  T922] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/922
| [   53.029064][  T922] Tainted: [W]=WARN
[   53.029220][  T922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.030145][  T922] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.030557][  T922] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.031098][  T922] RSP: 0018:ffa0000001fa7058 EFLAGS: 00010286
[   53.031317][  T922] RAX: 00000000ffffffa6 RBX: ff1100000e7ed700 RCX: 1ff40000003f4dd1
[   53.031582][  T922] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e7ed7b8
[   53.031824][  T922] RBP: ff110000075c9000 R08: 1fe2200001cfdaf8 R09: ff11000021fd5158
[   53.032065][  T922] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   53.032318][  T922] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001fa70f0
[   53.032583][  T922] FS:  00007fe8d831a840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.032861][  T922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.033072][  T922] CR2: 0000000017269988 CR3: 0000000020965006 CR4: 0000000000771ef0
[   53.033325][  T922] PKRU: 55555554
[   53.033485][  T922] Call Trace:
[   53.033630][  T922]  <TASK>
[   53.033744][  T922]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.033928][  T922]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.034106][  T922]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.034265][  T922]  netif_close_many (net/core/dev.c:1804)
[   53.034458][  T922]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.034658][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.034837][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.035014][  T922]  ? __dev_close_many (net/core/dev.c:1781)
[   53.035198][  T922]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.035428][  T922]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.035645][  T922]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.035826][  T922]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.036033][  T922]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.036221][  T922]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.036412][  T922]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.036632][  T922]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.036816][  T922]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.036995][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.037176][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.037363][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.037562][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.037755][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.037934][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.038112][  T922]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.038305][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.038507][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.038685][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.038864][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.039041][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.039231][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.039423][  T922]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.039613][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.039790][  T922]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.039967][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.040145][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.040330][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.040529][  T922]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.040710][  T922]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.040888][  T922]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.041071][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.041272][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.041474][  T922]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.041655][  T922]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.041833][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.042011][  T922]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.042195][  T922]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.042380][  T922]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.042583][  T922]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.042761][  T922]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.042939][  T922]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.043146][  T922]  ? move_addr_to_kernel (net/socket.c:258)
[   53.043333][  T922]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.043532][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.043711][  T922]  ___sys_sendmsg (net/socket.c:2752)
[   53.043891][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.044101][  T922]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.044299][  T922]  __sys_sendmsg (net/socket.c:2784)
[   53.044500][  T922]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.044678][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.044888][  T922]  ? 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)
[   53.045066][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.045261][  T922]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.045451][  T922]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.045638][  T922]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.045816][  T922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.046025][  T922] RIP: 0033:0x7fe8d855408e
[   53.046215][  T922] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.046746][  T922] RSP: 002b:00007fff89a74f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.046988][  T922] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe8d855408e
[   53.047238][  T922] RDX: 0000000000000000 RSI: 00007fff89a74fc0 RDI: 0000000000000005
[   53.047502][  T922] RBP: 00007fff89a74f20 R08: 0000000000000000 R09: 0000000000000000
[   53.047743][  T922] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.047986][  T922] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89a75690
| [   53.049674][  T922] ---[ end trace 0000000000000000 ]---
| [   53.058175][  T922] ------------[ cut here ]------------
| [   53.058313][  T922] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/922
| [   53.058800][  T922] Tainted: [W]=WARN
[   53.058896][  T922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.059052][  T922] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.059218][  T922] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.059672][  T922] RSP: 0018:ffa0000001fa7188 EFLAGS: 00010286
[   53.059829][  T922] RAX: 00000000ffffffa6 RBX: ff11000009331c40 RCX: 1ff40000003f4df7
[   53.060014][  T922] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009331cf8
[   53.060202][  T922] RBP: ff110000200b4000 R08: 1fe22000012663a0 R09: ff11000021fd5158
[   53.060388][  T922] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.060589][  T922] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.060779][  T922] FS:  00007fe8d831a840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   53.060997][  T922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.061152][  T922] CR2: 0000000039dce988 CR3: 0000000020965005 CR4: 0000000000771ef0
[   53.061345][  T922] PKRU: 55555554
[   53.061445][  T922] Call Trace:
[   53.061547][  T922]  <TASK>
[   53.061612][  T922]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.061769][  T922]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.061922][  T922]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.062045][  T922]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.062172][  T922]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.062329][  T922]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.062459][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.062589][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.062714][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.062836][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.062976][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.063100][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.063228][  T922]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.063353][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.063487][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.063610][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.063731][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.063855][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.063979][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.064103][  T922]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.064232][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.064361][  T922]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.064581][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.064711][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.064835][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.064960][  T922]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.065084][  T922]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.065212][  T922]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.065338][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.065595][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.065731][  T922]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.065856][  T922]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.065980][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.066105][  T922]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.066236][  T922]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.066362][  T922]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.066545][  T922]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.066671][  T922]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.066795][  T922]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.066949][  T922]  ? move_addr_to_kernel (net/socket.c:258)
[   53.067074][  T922]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.067203][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.067329][  T922]  ___sys_sendmsg (net/socket.c:2752)
[   53.067472][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.067627][  T922]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.067763][  T922]  __sys_sendmsg (net/socket.c:2784)
[   53.067889][  T922]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.068013][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.068173][  T922]  ? 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)
[   53.068297][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.068429][  T922]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.068562][  T922]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.068687][  T922]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.068812][  T922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.068966][  T922] RIP: 0033:0x7fe8d855408e
[   53.069096][  T922] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.069564][  T922] RSP: 002b:00007fff89a74f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.069752][  T922] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe8d855408e
[   53.069939][  T922] RDX: 0000000000000000 RSI: 00007fff89a74fc0 RDI: 0000000000000005
[   53.070125][  T922] RBP: 00007fff89a74f20 R08: 0000000000000000 R09: 0000000000000000
[   53.070316][  T922] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.070513][  T922] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89a75690
| [   53.071789][  T922] ---[ end trace 0000000000000000 ]---
| [   53.073322][  T922] ------------[ cut here ]------------
| [   53.073455][  T922] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/922
| [   53.073926][  T922] Tainted: [W]=WARN
[   53.074025][  T922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.074188][  T922] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.074349][  T922] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.074798][  T922] RSP: 0018:ffa0000001fa7188 EFLAGS: 00010286
[   53.074957][  T922] RAX: 00000000ffffffa6 RBX: ff1100000d344c80 RCX: 1ff40000003f4df7
[   53.075143][  T922] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d344d38
[   53.075329][  T922] RBP: ff110000075c9000 R08: 1fe2200001a689a8 R09: ff11000021fd5158
[   53.075525][  T922] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.075712][  T922] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.075898][  T922] FS:  00007fe8d831a840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   53.076113][  T922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.076272][  T922] CR2: 0000000039dce988 CR3: 0000000020965005 CR4: 0000000000771ef0
[   53.076472][  T922] PKRU: 55555554
[   53.076567][  T922] Call Trace:
[   53.076661][  T922]  <TASK>
[   53.076725][  T922]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.076884][  T922]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.077037][  T922]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.077164][  T922]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.077289][  T922]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.077452][  T922]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.077584][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.077708][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.077831][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.077955][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.078091][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.078220][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.078343][  T922]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.078477][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.078602][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.078726][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.078848][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.078972][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.079096][  T922]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.079238][  T922]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.079361][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.079499][  T922]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.079621][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.079746][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.079870][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.079995][  T922]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.080118][  T922]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.080247][  T922]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.080373][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.080506][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.080632][  T922]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.080756][  T922]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.080880][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.081004][  T922]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.081127][  T922]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.081257][  T922]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.081383][  T922]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.081535][  T922]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.081659][  T922]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.081811][  T922]  ? move_addr_to_kernel (net/socket.c:258)
[   53.081938][  T922]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.082061][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.082190][  T922]  ___sys_sendmsg (net/socket.c:2752)
[   53.082315][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.082483][  T922]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.082616][  T922]  __sys_sendmsg (net/socket.c:2784)
[   53.082738][  T922]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.082865][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.083019][  T922]  ? 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)
[   53.083143][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.083271][  T922]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.083399][  T922]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.083530][  T922]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.083653][  T922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.083805][  T922] RIP: 0033:0x7fe8d855408e
[   53.083934][  T922] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.084379][  T922] RSP: 002b:00007fff89a74f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.084575][  T922] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe8d855408e
[   53.084759][  T922] RDX: 0000000000000000 RSI: 00007fff89a74fc0 RDI: 0000000000000005
[   53.084942][  T922] RBP: 00007fff89a74f20 R08: 0000000000000000 R09: 0000000000000000
[   53.085129][  T922] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.085318][  T922] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89a75690
| [   53.086575][  T922] ---[ end trace 0000000000000000 ]---
| [   53.132315][  T923] ------------[ cut here ]------------
| [   53.132482][  T923] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/923
| [   53.132973][  T923] Tainted: [W]=WARN
[   53.133075][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.133239][  T923] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.133411][  T923] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.133870][  T923] RSP: 0018:ffa0000001fb7058 EFLAGS: 00010286
[   53.134036][  T923] RAX: 00000000ffffffa6 RBX: ff1100000d345c40 RCX: 1ff40000003f6dd1
[   53.134234][  T923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d345cf8
[   53.134431][  T923] RBP: ff11000008a11000 R08: 1fe2200001a68ba0 R09: ff1100000cb52e58
[   53.134631][  T923] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   53.134824][  T923] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008851000
[   53.135016][  T923] FS:  00007ffb792ff840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   53.135244][  T923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.135410][  T923] CR2: 0000000036bc7988 CR3: 00000000217e7002 CR4: 0000000000771ef0
[   53.135612][  T923] PKRU: 55555554
[   53.135713][  T923] Call Trace:
[   53.135810][  T923]  <TASK>
[   53.135876][  T923]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.136005][  T923]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.136102][  T923]  netif_close_many (net/core/dev.c:1804)
[   53.136237][  T923]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.136364][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.136509][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.136639][  T923]  ? __dev_close_many (net/core/dev.c:1781)
[   53.136769][  T923]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.136932][  T923]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.137094][  T923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.137229][  T923]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.137386][  T923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.137527][  T923]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.137654][  T923]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.137841][  T923]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.137973][  T923]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.138102][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.138234][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.138363][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.138511][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.138654][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.138782][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.138910][  T923]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.139037][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.139175][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.139303][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.139436][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.139571][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.139700][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.139831][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.139960][  T923]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.140088][  T923]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.140222][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.140350][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.140487][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.140615][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.140742][  T923]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.140871][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.141002][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.141130][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.141264][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.141392][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.141533][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.141662][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.141792][  T923]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.141920][  T923]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.142049][  T923]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.142179][  T923]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.142307][  T923]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.142480][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   53.142609][  T923]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.142737][  T923]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.142865][  T923]  ___sys_sendmsg (net/socket.c:2752)
[   53.142994][  T923]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.143154][  T923]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.143299][  T923]  __sys_sendmsg (net/socket.c:2784)
[   53.143434][  T923]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.143567][  T923]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.143729][  T923]  ? 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)
[   53.143857][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.143987][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.144114][  T923]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.144250][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.144378][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.144553][  T923] RIP: 0033:0x7ffb7953908e
[   53.144687][  T923] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.145144][  T923] RSP: 002b:00007ffd5b3fd0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.145343][  T923] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffb7953908e
[   53.145547][  T923] RDX: 0000000000000000 RSI: 00007ffd5b3fd170 RDI: 0000000000000005
[   53.145738][  T923] RBP: 00007ffd5b3fd0d0 R08: 0000000000000000 R09: 0000000000000000
[   53.145929][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.146119][  T923] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5b3fd840
| [   53.147434][  T923] ---[ end trace 0000000000000000 ]---
| [   53.148912][  T923] ------------[ cut here ]------------
| [   53.149045][  T923] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/923
| [   53.149962][  T923] Tainted: [W]=WARN
[   53.150060][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.150228][  T923] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.150402][  T923] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.150864][  T923] RSP: 0018:ffa0000001fb7058 EFLAGS: 00010286
[   53.151030][  T923] RAX: 00000000ffffffa6 RBX: ff110000094198c0 RCX: 1ff40000003f6dd1
[   53.151228][  T923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009419978
[   53.151426][  T923] RBP: ff11000008851000 R08: 1fe2200001283330 R09: ff1100000cb52e58
[   53.151625][  T923] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   53.151816][  T923] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001fb70f0
[   53.152008][  T923] FS:  00007ffb792ff840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   53.152236][  T923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.152404][  T923] CR2: 0000000036bc7988 CR3: 00000000217e7002 CR4: 0000000000771ef0
[   53.152605][  T923] PKRU: 55555554
[   53.152701][  T923] Call Trace:
[   53.152796][  T923]  <TASK>
[   53.152861][  T923]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.152989][  T923]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.153116][  T923]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.153220][  T923]  netif_close_many (net/core/dev.c:1804)
[   53.153349][  T923]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.153494][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.153621][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.153747][  T923]  ? __dev_close_many (net/core/dev.c:1781)
[   53.153875][  T923]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.154034][  T923]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.154200][  T923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.154328][  T923]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.154500][  T923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.154630][  T923]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.154757][  T923]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.154916][  T923]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.155045][  T923]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.155201][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.155331][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.155471][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.155599][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.155740][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.155868][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.155997][  T923]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.156125][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.156260][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.156390][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.156528][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.156656][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.156786][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.156916][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.157044][  T923]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.157175][  T923]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.157302][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.157439][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.157572][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.157701][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.157828][  T923]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.157957][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.158086][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.158220][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.158348][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.158489][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.158617][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.158745][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.158876][  T923]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.159005][  T923]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.159133][  T923]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.159266][  T923]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.159400][  T923]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.159564][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   53.159692][  T923]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.159821][  T923]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.159949][  T923]  ___sys_sendmsg (net/socket.c:2752)
[   53.160076][  T923]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.160237][  T923]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.160375][  T923]  __sys_sendmsg (net/socket.c:2784)
[   53.160514][  T923]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.160642][  T923]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.160802][  T923]  ? 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)
[   53.160931][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.161060][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.161194][  T923]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.161323][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.161458][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.161621][  T923] RIP: 0033:0x7ffb7953908e
[   53.161754][  T923] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.162214][  T923] RSP: 002b:00007ffd5b3fd0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.162416][  T923] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffb7953908e
[   53.162615][  T923] RDX: 0000000000000000 RSI: 00007ffd5b3fd170 RDI: 0000000000000005
[   53.162807][  T923] RBP: 00007ffd5b3fd0d0 R08: 0000000000000000 R09: 0000000000000000
[   53.162999][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.163200][  T923] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5b3fd840
| [   53.164525][  T923] ---[ end trace 0000000000000000 ]---
| [   53.166285][  T923] ------------[ cut here ]------------
| [   53.166499][  T923] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/923
| [   53.166966][  T923] Tainted: [W]=WARN
[   53.167060][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.167222][  T923] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.167383][  T923] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.167970][  T923] RSP: 0018:ffa0000001fb7188 EFLAGS: 00010286
[   53.168127][  T923] RAX: 00000000ffffffa6 RBX: ff1100000553be00 RCX: 1ff40000003f6df7
[   53.168319][  T923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000553beb8
[   53.168584][  T923] RBP: ff11000008a11000 R08: 1fe2200000aa77d8 R09: ff1100000cb52e58
[   53.168783][  T923] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.168969][  T923] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.169158][  T923] FS:  00007ffb792ff840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   53.169379][  T923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.169675][  T923] CR2: 0000000036bc7988 CR3: 00000000217e7002 CR4: 0000000000771ef0
[   53.169861][  T923] PKRU: 55555554
[   53.169953][  T923] Call Trace:
[   53.170045][  T923]  <TASK>
[   53.170109][  T923]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.170270][  T923]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.170495][  T923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.170619][  T923]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.170741][  T923]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.170900][  T923]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.171023][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.171146][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.171278][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.171495][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.171633][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.171758][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.171882][  T923]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.172005][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.172139][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.172272][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.172460][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.172591][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.172714][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.172839][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.172963][  T923]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.173087][  T923]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.173219][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.173344][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.173524][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.173648][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.173770][  T923]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.173900][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.174108][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.174234][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.174359][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.174548][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.174672][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.174797][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.174922][  T923]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.175126][  T923]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.175255][  T923]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.175450][  T923]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.175579][  T923]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.175733][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   53.175857][  T923]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.176060][  T923]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.176190][  T923]  ___sys_sendmsg (net/socket.c:2752)
[   53.176313][  T923]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.176520][  T923]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.176654][  T923]  __sys_sendmsg (net/socket.c:2784)
[   53.176776][  T923]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.176985][  T923]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.177140][  T923]  ? 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)
[   53.177265][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.177389][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.177651][  T923]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.177777][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.177904][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.178058][  T923] RIP: 0033:0x7ffb7953908e
[   53.178192][  T923] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.178688][  T923] RSP: 002b:00007ffd5b3fd0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.178876][  T923] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffb7953908e
[   53.179061][  T923] RDX: 0000000000000000 RSI: 00007ffd5b3fd170 RDI: 0000000000000005
[   53.179253][  T923] RBP: 00007ffd5b3fd0d0 R08: 0000000000000000 R09: 0000000000000000
[   53.179577][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.179763][  T923] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5b3fd840
| [   53.181139][  T923] ---[ end trace 0000000000000000 ]---
| [   53.188705][  T923] ------------[ cut here ]------------
| [   53.188856][  T923] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/923
| [   53.189353][  T923] Tainted: [W]=WARN
[   53.189454][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.189616][  T923] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.189778][  T923] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.190225][  T923] RSP: 0018:ffa0000001fb7188 EFLAGS: 00010286
[   53.190381][  T923] RAX: 00000000ffffffa6 RBX: ff1100000d3f8e40 RCX: 1ff40000003f6df7
[   53.190579][  T923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d3f8ef8
[   53.190762][  T923] RBP: ff11000008851000 R08: 1fe2200001a7f1e0 R09: ff1100000cb52e58
[   53.190946][  T923] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.191129][  T923] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.191316][  T923] FS:  00007ffb792ff840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   53.191544][  T923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.191705][  T923] CR2: 000055cfb0bebd5c CR3: 00000000217e7001 CR4: 0000000000771ef0
[   53.191889][  T923] PKRU: 55555554
[   53.191982][  T923] Call Trace:
[   53.192075][  T923]  <TASK>
[   53.192138][  T923]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.192295][  T923]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.192452][  T923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.192582][  T923]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.192712][  T923]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.192868][  T923]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.192993][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.193114][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.193241][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.193364][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.193514][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.193638][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.193761][  T923]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.193884][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.194007][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.194129][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.194256][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.194379][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.194514][  T923]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.194639][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.194763][  T923]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.194886][  T923]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.195008][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.195132][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.195260][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.195386][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.195572][  T923]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.195697][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.195823][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.195944][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.196069][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.196199][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.196324][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.196454][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.196584][  T923]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.196707][  T923]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.196831][  T923]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.196954][  T923]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.197083][  T923]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.197238][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   53.197362][  T923]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.197585][  T923]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.197800][  T923]  ___sys_sendmsg (net/socket.c:2752)
[   53.197923][  T923]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.198080][  T923]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.198218][  T923]  __sys_sendmsg (net/socket.c:2784)
[   53.198343][  T923]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.198564][  T923]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.198717][  T923]  ? 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)
[   53.198840][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.198964][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.199086][  T923]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.199215][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.199338][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.199610][  T923] RIP: 0033:0x7ffb7953908e
[   53.199739][  T923] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.200180][  T923] RSP: 002b:00007ffd5b3fd0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.200365][  T923] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffb7953908e
[   53.200659][  T923] RDX: 0000000000000000 RSI: 00007ffd5b3fd170 RDI: 0000000000000005
[   53.200844][  T923] RBP: 00007ffd5b3fd0d0 R08: 0000000000000000 R09: 0000000000000000
[   53.201026][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.201210][  T923] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5b3fd840
| [   53.202665][  T923] ---[ end trace 0000000000000000 ]---
| [   53.242671][  T924] ------------[ cut here ]------------
| [   53.242862][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/924
| [   53.244160][  T924] Tainted: [W]=WARN
[   53.244372][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.244676][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.244906][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.245430][  T924] RSP: 0018:ffa0000001fb7058 EFLAGS: 00010286
[   53.245648][  T924] RAX: 00000000ffffffa6 RBX: ff1100000d3f9e00 RCX: 1ff40000003f6dd1
[   53.245892][  T924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d3f9eb8
[   53.246133][  T924] RBP: ff1100000a4a1000 R08: 1fe2200001a7f3d8 R09: ff1100000cca8b58
[   53.246410][  T924] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   53.246659][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005bfc000
[   53.246902][  T924] FS:  00007fb976637840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.247182][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.247411][  T924] CR2: 000000003451a988 CR3: 0000000010b93002 CR4: 0000000000771ef0
[   53.247662][  T924] PKRU: 55555554
[   53.247811][  T924] Call Trace:
[   53.247958][  T924]  <TASK>
[   53.248071][  T924]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.248263][  T924]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.248424][  T924]  netif_close_many (net/core/dev.c:1804)
[   53.248609][  T924]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.248786][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.248963][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.249141][  T924]  ? __dev_close_many (net/core/dev.c:1781)
[   53.249326][  T924]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.249561][  T924]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.249774][  T924]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.249952][  T924]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.250162][  T924]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.250350][  T924]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.250551][  T924]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.250762][  T924]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.250945][  T924]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.251123][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.251314][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.251516][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.251697][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.251889][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.252065][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.252256][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.252446][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.252634][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.252811][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.252989][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.253168][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.253354][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.253552][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.253731][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.253908][  T924]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.254084][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.254276][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.254475][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.254656][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.254834][  T924]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.255016][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.255208][  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))
[   53.255386][  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))
[   53.255592][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.255771][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.255949][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.256130][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.256320][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.256521][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.256701][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.256879][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.257056][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.257275][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   53.257477][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.257654][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.257836][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   53.258013][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.258232][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.258433][  T924]  __sys_sendmsg (net/socket.c:2784)
[   53.258615][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.258790][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.259003][  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)
[   53.259187][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.259367][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.259566][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.259743][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.259923][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.260131][  T924] RIP: 0033:0x7fb97687108e
[   53.260322][  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
[   53.260855][  T924] RSP: 002b:00007ffc8efd4f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.261098][  T924] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb97687108e
[   53.261348][  T924] RDX: 0000000000000000 RSI: 00007ffc8efd4fc0 RDI: 0000000000000005
[   53.261614][  T924] RBP: 00007ffc8efd4f20 R08: 0000000000000000 R09: 0000000000000000
[   53.261853][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.262095][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8efd5690
| [   53.263784][  T924] ---[ end trace 0000000000000000 ]---
| [   53.265178][  T924] ------------[ cut here ]------------
| [   53.265316][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/924
| [   53.265815][  T924] Tainted: [W]=WARN
[   53.265914][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.266082][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.266256][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.266751][  T924] RSP: 0018:ffa0000001fb7058 EFLAGS: 00010286
[   53.266916][  T924] RAX: 00000000ffffffa6 RBX: ff1100000d2efa80 RCX: 1ff40000003f6dd1
[   53.267108][  T924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d2efb38
[   53.267304][  T924] RBP: ff11000005bfc000 R08: 1fe2200001a5df68 R09: ff1100000cca8b58
[   53.267512][  T924] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   53.267753][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001fb70f0
[   53.267949][  T924] FS:  00007fb976637840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   53.268177][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.268340][  T924] CR2: 0000000036bc7988 CR3: 0000000010b93003 CR4: 0000000000771ef0
[   53.268544][  T924] PKRU: 55555554
[   53.268641][  T924] Call Trace:
[   53.268739][  T924]  <TASK>
[   53.268807][  T924]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.268939][  T924]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.269069][  T924]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.269193][  T924]  netif_close_many (net/core/dev.c:1804)
[   53.269322][  T924]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.269503][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.269634][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.269763][  T924]  ? __dev_close_many (net/core/dev.c:1781)
[   53.269894][  T924]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.270057][  T924]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.270226][  T924]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.270355][  T924]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.270530][  T924]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.270658][  T924]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.270787][  T924]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.270949][  T924]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.271080][  T924]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.271214][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.271343][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.271496][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.271626][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.271770][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.271898][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.272025][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.272154][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.272289][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.272426][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.272561][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.272690][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.272821][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.272949][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.273077][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.273207][  T924]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.273334][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.273478][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.273609][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.273739][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.273870][  T924]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.274009][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.274142][  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))
[   53.274276][  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))
[   53.274410][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.274556][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.274687][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.274817][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.274949][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.275081][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.275223][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.275352][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.275492][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.275653][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   53.275784][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.275914][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.276043][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   53.276175][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.276335][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.276487][  T924]  __sys_sendmsg (net/socket.c:2784)
[   53.276620][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.276748][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.276910][  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)
[   53.277038][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.277172][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.277300][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.277435][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.277570][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.277733][  T924] RIP: 0033:0x7fb97687108e
[   53.277867][  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
[   53.278332][  T924] RSP: 002b:00007ffc8efd4f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.278541][  T924] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb97687108e
[   53.278734][  T924] RDX: 0000000000000000 RSI: 00007ffc8efd4fc0 RDI: 0000000000000005
[   53.278926][  T924] RBP: 00007ffc8efd4f20 R08: 0000000000000000 R09: 0000000000000000
[   53.279120][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.279319][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8efd5690
| [   53.280634][  T924] ---[ end trace 0000000000000000 ]---
| [   53.294814][  T924] ------------[ cut here ]------------
| [   53.294991][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/924
| [   53.295495][  T924] Tainted: [W]=WARN
[   53.295590][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.295747][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.295910][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.296361][  T924] RSP: 0018:ffa0000001fb7188 EFLAGS: 00010286
[   53.296533][  T924] RAX: 00000000ffffffa6 RBX: ff11000001ef0040 RCX: 1ff40000003f6df7
[   53.296719][  T924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ef00f8
[   53.296905][  T924] RBP: ff1100000a4a1000 R08: 1fe22000003de020 R09: ff1100000cca8b58
[   53.297089][  T924] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.297285][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.297485][  T924] FS:  00007fb976637840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   53.297705][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.297863][  T924] CR2: 000055cfb0bebd5c CR3: 0000000010b93002 CR4: 0000000000771ef0
[   53.298053][  T924] PKRU: 55555554
[   53.298146][  T924] Call Trace:
[   53.298242][  T924]  <TASK>
[   53.298306][  T924]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.298488][  T924]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.298645][  T924]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.298769][  T924]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.298892][  T924]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.299057][  T924]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.299186][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.299312][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.299440][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.299570][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.299708][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.299831][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.299960][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.300086][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.300218][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.300341][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.300473][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.300596][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.300720][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.300845][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.300972][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.301098][  T924]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.301226][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.301351][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.301506][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.301630][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.301754][  T924]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.301877][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.302004][  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))
[   53.302130][  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))
[   53.302260][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.302384][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.302534][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.302699][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.302823][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.302948][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.303074][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.303204][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.303328][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.303495][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   53.303624][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.303749][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.303873][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   53.303998][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.304153][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.304294][  T924]  __sys_sendmsg (net/socket.c:2784)
[   53.304424][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.304553][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.304709][  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)
[   53.304833][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.304959][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.305092][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.305222][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.305345][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.305507][  T924] RIP: 0033:0x7fb97687108e
[   53.305635][  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
[   53.306074][  T924] RSP: 002b:00007ffc8efd4f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.306265][  T924] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb97687108e
[   53.306455][  T924] RDX: 0000000000000000 RSI: 00007ffc8efd4fc0 RDI: 0000000000000005
[   53.306646][  T924] RBP: 00007ffc8efd4f20 R08: 0000000000000000 R09: 0000000000000000
[   53.306842][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.307028][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8efd5690
| [   53.308285][  T924] ---[ end trace 0000000000000000 ]---
| [   53.309819][  T924] ------------[ cut here ]------------
| [   53.309945][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/924
| [   53.310422][  T924] Tainted: [W]=WARN
[   53.310528][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.310689][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.310854][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.311302][  T924] RSP: 0018:ffa0000001fb7188 EFLAGS: 00010286
[   53.311624][  T924] RAX: 00000000ffffffa6 RBX: ff11000001ef1000 RCX: 1ff40000003f6df7
[   53.311810][  T924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ef10b8
[   53.311995][  T924] RBP: ff11000005bfc000 R08: 1fe22000003de218 R09: ff1100000cca8b58
[   53.312187][  T924] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.312374][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.312668][  T924] FS:  00007fb976637840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   53.312887][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.313044][  T924] CR2: 000055cfb0bebd5c CR3: 0000000010b93002 CR4: 0000000000771ef0
[   53.313235][  T924] PKRU: 55555554
[   53.313328][  T924] Call Trace:
[   53.313598][  T924]  <TASK>
[   53.313663][  T924]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.313870][  T924]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.314023][  T924]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.314147][  T924]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.314277][  T924]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.314528][  T924]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.314655][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.314780][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.314905][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.315029][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.315172][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.315295][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.315480][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.315607][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.315732][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.315855][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.315983][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.316119][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.316251][  T924]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.316375][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.316511][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.316637][  T924]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.316759][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.316883][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.317006][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.317131][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.317262][  T924]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.317385][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.317520][  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))
[   53.317643][  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))
[   53.317767][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.317891][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.318015][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.318140][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.318266][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.318392][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.318531][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.318653][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.318776][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.318929][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   53.319053][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.319179][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.319303][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   53.319433][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.319593][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.319727][  T924]  __sys_sendmsg (net/socket.c:2784)
[   53.319850][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.319987][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.320142][  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)
[   53.320269][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.320401][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.320531][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.320654][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.320777][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.320931][  T924] RIP: 0033:0x7fb97687108e
[   53.321059][  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
[   53.321517][  T924] RSP: 002b:00007ffc8efd4f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.321706][  T924] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb97687108e
[   53.321890][  T924] RDX: 0000000000000000 RSI: 00007ffc8efd4fc0 RDI: 0000000000000005
[   53.322072][  T924] RBP: 00007ffc8efd4f20 R08: 0000000000000000 R09: 0000000000000000
[   53.322275][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.322466][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8efd5690
| [   53.323711][  T924] ---[ end trace 0000000000000000 ]---
| [   53.501362][  T932] ------------[ cut here ]------------
| [   53.501651][  T932] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/932
| [   53.502426][  T932] Tainted: [W]=WARN
[   53.502675][  T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.502966][  T932] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.503270][  T932] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.503807][  T932] RSP: 0018:ffa0000001fe7020 EFLAGS: 00010286
[   53.504021][  T932] RAX: 00000000ffffffa6 RBX: ff11000010bda200 RCX: 1ff40000003fcdca
[   53.504303][  T932] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010bda2b8
[   53.504601][  T932] RBP: ff1100000cf2c000 R08: 1fe220000217b458 R09: ff1100000a4a8b58
[   53.504843][  T932] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   53.505088][  T932] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf2cce1
[   53.505344][  T932] FS:  00007f10d45dc840(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.505642][  T932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.505855][  T932] CR2: 000000001d5b1988 CR3: 0000000010b9d002 CR4: 0000000000771ef0
[   53.506112][  T932] PKRU: 55555554
[   53.506267][  T932] Call Trace:
[   53.506426][  T932]  <TASK>
[   53.506548][  T932]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.506729][  T932]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.506877][  T932]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.507060][  T932]  __dev_notify_flags (net/core/dev.c:9787)
[   53.507254][  T932]  ? netif_change_name (net/core/dev.c:1495)
[   53.507446][  T932]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.507637][  T932]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   53.507817][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.507998][  T932]  ? 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))
[   53.508186][  T932]  netif_change_flags (net/core/dev.c:9820)
[   53.508371][  T932]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   53.508670][  T932]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.508943][  T932]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.509239][  T932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.509508][  T932]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.509779][  T932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.510041][  T932]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.510232][  T932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.510428][  T932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.510619][  T932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.510801][  T932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.510980][  T932]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.511162][  T932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.511353][  T932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.511554][  T932]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.511734][  T932]  ? __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)
[   53.511915][  T932]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.512099][  T932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.512292][  T932]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.512494][  T932]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.512678][  T932]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.512859][  T932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.513038][  T932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.513228][  T932]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.513426][  T932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.513617][  T932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.513797][  T932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.513977][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.514159][  T932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.514349][  T932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.514553][  T932]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.514734][  T932]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.514916][  T932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.515096][  T932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.515285][  T932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.515487][  T932]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.515669][  T932]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.515848][  T932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.516029][  T932]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.516215][  T932]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.516413][  T932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.516603][  T932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.516783][  T932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.516963][  T932]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.517143][  T932]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.517331][  T932]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.517536][  T932]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.517718][  T932]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.517900][  T932]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.518108][  T932]  ? move_addr_to_kernel (net/socket.c:258)
[   53.518300][  T932]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.518500][  T932]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.518681][  T932]  ___sys_sendmsg (net/socket.c:2752)
[   53.518860][  T932]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.519075][  T932]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.519275][  T932]  __sys_sendmsg (net/socket.c:2784)
[   53.519479][  T932]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.519657][  T932]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.519871][  T932]  ? 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)
[   53.520051][  T932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.520245][  T932]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.520438][  T932]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.520630][  T932]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.520812][  T932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.521041][  T932] RIP: 0033:0x7f10d481608e
[   53.521241][  T932] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.521773][  T932] RSP: 002b:00007ffd0768cd00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.522016][  T932] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f10d481608e
[   53.522270][  T932] RDX: 0000000000000000 RSI: 00007ffd0768cdb0 RDI: 0000000000000005
[   53.522532][  T932] RBP: 00007ffd0768cd10 R08: 0000000000000000 R09: 0000000000000000
[   53.522777][  T932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce64
[   53.523018][  T932] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0768d480
| [   53.524741][  T932] ---[ end trace 0000000000000000 ]---
| [   53.570966][  T933] ------------[ cut here ]------------
| [   53.571156][  T933] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/933
| [   53.571787][  T933] Tainted: [W]=WARN
[   53.571928][  T933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.572128][  T933] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.572348][  T933] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.572854][  T933] RSP: 0018:ffa0000001eb7188 EFLAGS: 00010286
[   53.573058][  T933] RAX: 00000000ffffffa6 RBX: ff1100000b2d0e40 RCX: 1ff40000003d6df7
[   53.573300][  T933] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d0ef8
[   53.573611][  T933] RBP: ff1100000cf2c000 R08: 1fe220000165a1e0 R09: ff1100000cead158
[   53.573929][  T933] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.574252][  T933] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.574566][  T933] FS:  00007f51a3759ec0(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.574869][  T933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.575070][  T933] CR2: 00007f51a3aba004 CR3: 000000002034e005 CR4: 0000000000771ef0
[   53.575317][  T933] PKRU: 55555554
[   53.575478][  T933] Call Trace:
[   53.575617][  T933]  <TASK>
[   53.575738][  T933]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.575959][  T933]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.576164][  T933]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.576348][  T933]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.576547][  T933]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.576753][  T933]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.576928][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.577100][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.577285][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.577479][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.577664][  T933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.577835][  T933]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.578041][  T933]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.578221][  T933]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.578406][  T933]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   53.578584][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.578756][  T933]  ? fred_exc_machine_check (./include/linux/irq-entry-common.h:199 (discriminator 1) ./include/linux/irq-entry-common.h:244 (discriminator 1) ./include/linux/irq-entry-common.h:315 (discriminator 1) arch/x86/kernel/cpu/mce/core.c:2137 (discriminator 1) arch/x86/kernel/cpu/mce/core.c:2179 (discriminator 1))
[   53.578929][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.579098][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.579284][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.579478][  T933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.579650][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.579822][  T933]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.579994][  T933]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.580168][  T933]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.580348][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.580543][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.580715][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.580886][  T933]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.581056][  T933]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.581241][  T933]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.581427][  T933]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.581604][  T933]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.581776][  T933]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.581950][  T933]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.582127][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.582310][  T933]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.582502][  T933]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.582674][  T933]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.582849][  T933]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.583021][  T933]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.583196][  T933]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.583412][  T933]  ? move_addr_to_kernel (net/socket.c:258)
[   53.583591][  T933]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.583763][  T933]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.583963][  T933]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.584134][  T933]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.584345][  T933]  ___sys_sendmsg (net/socket.c:2752)
[   53.584542][  T933]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.584713][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.584889][  T933]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   53.585059][  T933]  ? do_getsockname (net/socket.c:2192)
[   53.585243][  T933]  __sys_sendmsg (net/socket.c:2784)
[   53.585428][  T933]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.585609][  T933]  ? __sys_getsockname (net/socket.c:2210)
[   53.585780][  T933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.585953][  T933]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.586124][  T933]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.586306][  T933]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.586499][  T933]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.586701][  T933] RIP: 0033:0x7f51a380e08e
[   53.586876][  T933] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.587371][  T933] RSP: 002b:00007ffe2fb392b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.587626][  T933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f51a380e08e
[   53.587856][  T933] RDX: 0000000000000000 RSI: 00007ffe2fb39330 RDI: 0000000000000005
[   53.588087][  T933] RBP: 00007ffe2fb392c0 R08: 0000000000000000 R09: 0000000000000000
[   53.588330][  T933] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe2fb3da38
[   53.588582][  T933] R13: 0000000000000003 R14: 00007f51a3afa000 R15: 000000000040bda8
| [   53.590166][  T933] ---[ end trace 0000000000000000 ]---
| [   53.619568][   T12] ------------[ cut here ]------------
| [   53.619782][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.620423][   T12] Tainted: [W]=WARN
[   53.620569][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.620766][   T12] Workqueue: netns cleanup_net
[   53.620942][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.621226][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.621726][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.621926][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b2d1c40 RCX: 1ff4000000018eed
[   53.622154][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d1cf8
[   53.622464][   T12] RBP: ff11000009ea1000 R08: 1fe220000165a3a0 R09: ff11000001b0d1d0
[   53.622703][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.622943][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.623171][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.623494][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.623703][   T12] CR2: 00007f51a3aba004 CR3: 0000000016549006 CR4: 0000000000771ef0
[   53.623939][   T12] PKRU: 55555554
[   53.624088][   T12] Call Trace:
[   53.624239][   T12]  <TASK>
[   53.624351][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.624576][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.624783][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.624958][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.625131][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.625310][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.625507][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.625682][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.625856][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   53.626040][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.626224][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.626409][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.626590][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.627005][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.627196][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.627373][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.627574][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.627746][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.627921][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.628097][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.628277][   T12]  kthread (kernel/kthread.c:436)
[   53.628446][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.628655][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.628830][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.629005][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.629229][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.629455][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.629639][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.631188][   T12] ---[ end trace 0000000000000000 ]---
| [   53.650165][   T12] ------------[ cut here ]------------
| [   53.650387][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.651630][   T12] Tainted: [W]=WARN
[   53.651784][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.652004][   T12] Workqueue: netns cleanup_net
[   53.652203][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.652434][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.653001][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.653237][   T12] RAX: 00000000ffffffa6 RBX: ff11000010bdb1c0 RCX: 1ff4000000018ed5
[   53.653512][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010bdb278
[   53.653758][   T12] RBP: ff11000008859000 R08: 1fe220000217b650 R09: ff11000001b0d1d0
[   53.654000][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.654263][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.654526][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.654813][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.655027][   T12] CR2: 00007f51a3aba004 CR3: 0000000016549006 CR4: 0000000000771ef0
[   53.655284][   T12] PKRU: 55555554
[   53.655441][   T12] Call Trace:
[   53.655591][   T12]  <TASK>
[   53.655702][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.655917][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.656127][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.656324][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.656777][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.656959][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.657137][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.657329][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   53.657526][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.657707][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.657884][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.658055][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.658250][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.658442][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.658630][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.658817][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.658993][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.659181][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.659370][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.659571][   T12]  kthread (kernel/kthread.c:436)
[   53.659719][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.659931][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.660109][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.660297][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.660530][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.660728][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.660912][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.662540][   T12] ---[ end trace 0000000000000000 ]---
| [   53.663968][  T935] ------------[ cut here ]------------
| [   53.664118][  T935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/935
| [   53.664763][  T935] Tainted: [W]=WARN
[   53.664867][  T935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.665037][  T935] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.665223][  T935] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.665793][  T935] RSP: 0018:ffa0000001eb7020 EFLAGS: 00010286
[   53.665971][  T935] RAX: 00000000ffffffa6 RBX: ff11000004a55c40 RCX: 1ff40000003d6dca
[   53.666233][  T935] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a55cf8
[   53.666456][  T935] RBP: ff110000088bc000 R08: 1fe220000094aba0 R09: ff1100000cec2e58
[   53.666672][  T935] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   53.666877][  T935] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000088bcce1
[   53.667082][  T935] FS:  00007f82bde72840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   53.667329][  T935] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.667519][  T935] CR2: 00007f82be1421a0 CR3: 0000000020965002 CR4: 0000000000771ef0
[   53.667731][  T935] PKRU: 55555554
[   53.667837][  T935] Call Trace:
[   53.667941][  T935]  <TASK>
[   53.668013][  T935]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.668153][  T935]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.668268][  T935]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.668410][  T935]  __dev_notify_flags (net/core/dev.c:9787)
[   53.668560][  T935]  ? netif_change_name (net/core/dev.c:1495)
[   53.668697][  T935]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.668844][  T935]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   53.668979][  T935]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.669116][  T935]  ? 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))
[   53.669264][  T935]  netif_change_flags (net/core/dev.c:9820)
[   53.669409][  T935]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   53.669556][  T935]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.669698][  T935]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.669873][  T935]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.670010][  T935]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.670171][  T935]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.670310][  T935]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.670466][  T935]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.670615][  T935]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.670761][  T935]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.670904][  T935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.671045][  T935]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.671190][  T935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.671342][  T935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.671495][  T935]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.671639][  T935]  ? __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)
[   53.671781][  T935]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.671922][  T935]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.672062][  T935]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.672212][  T935]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.672357][  T935]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.672510][  T935]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.672653][  T935]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.672792][  T935]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.672940][  T935]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.673081][  T935]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.673232][  T935]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.673375][  T935]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.673528][  T935]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.673665][  T935]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.673800][  T935]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.673938][  T935]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.674077][  T935]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.674219][  T935]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.674357][  T935]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.674510][  T935]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.674648][  T935]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.674790][  T935]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.674933][  T935]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.675070][  T935]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.675208][  T935]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.675349][  T935]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.675499][  T935]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.675635][  T935]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.675784][  T935]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.675922][  T935]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.676063][  T935]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.676205][  T935]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.676343][  T935]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.676540][  T935]  ? move_addr_to_kernel (net/socket.c:258)
[   53.676681][  T935]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.676819][  T935]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.676958][  T935]  ___sys_sendmsg (net/socket.c:2752)
[   53.677100][  T935]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.677277][  T935]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.677427][  T935]  __sys_sendmsg (net/socket.c:2784)
[   53.677568][  T935]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.677702][  T935]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.677883][  T935]  ? 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)
[   53.678023][  T935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.678164][  T935]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.678299][  T935]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.678441][  T935]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.678590][  T935]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.678756][  T935] RIP: 0033:0x7f82be0ac08e
[   53.678900][  T935] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.679375][  T935] RSP: 002b:00007fff3ec3a440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.679589][  T935] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f82be0ac08e
[   53.679791][  T935] RDX: 0000000000000000 RSI: 00007fff3ec3a4f0 RDI: 0000000000000005
[   53.679988][  T935] RBP: 00007fff3ec3a450 R08: 0000000000000000 R09: 0000000000000000
[   53.680195][  T935] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce65
[   53.680402][  T935] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3ec3abc0
| [   53.681746][  T935] ---[ end trace 0000000000000000 ]---
| [   53.731060][  T936] ------------[ cut here ]------------
| [   53.731217][  T936] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/936
| [   53.731788][  T936] Tainted: [W]=WARN
[   53.731884][  T936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.732050][  T936] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.732225][  T936] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.732695][  T936] RSP: 0018:ffa0000000fc7188 EFLAGS: 00010286
[   53.732862][  T936] RAX: 00000000ffffffa6 RBX: ff1100002003dc40 RCX: 1ff40000001f8df7
[   53.733055][  T936] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100002003dcf8
[   53.733258][  T936] RBP: ff110000088bc000 R08: 1fe2200004007ba0 R09: ff1100000ca02e58
[   53.733458][  T936] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.733658][  T936] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.733849][  T936] FS:  00007f12d2ec8ec0(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   53.734074][  T936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.734242][  T936] CR2: 00007f12d3229004 CR3: 0000000020b3a001 CR4: 0000000000771ef0
[   53.734439][  T936] PKRU: 55555554
[   53.734543][  T936] Call Trace:
[   53.734639][  T936]  <TASK>
[   53.734704][  T936]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.734867][  T936]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.735030][  T936]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.735168][  T936]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.735298][  T936]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.735550][  T936]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.736610][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.736745][  T936]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.736877][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.737007][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.737144][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.737276][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.737465][  T936]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.737599][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.737735][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.737867][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.737993][  T936]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.738124][  T936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.738259][  T936]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.738389][  T936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.738600][  T936]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.738733][  T936]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.738862][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.739016][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.739147][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.739280][  T936]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.739492][  T936]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.739623][  T936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.739756][  T936]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.739884][  T936]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.740018][  T936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.740146][  T936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.740283][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.740501][  T936]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.740629][  T936]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.740759][  T936]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.740912][  T936]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.741040][  T936]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.741174][  T936]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.741331][  T936]  ? move_addr_to_kernel (net/socket.c:258)
[   53.741522][  T936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.741651][  T936]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.741808][  T936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.741932][  T936]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.742090][  T936]  ___sys_sendmsg (net/socket.c:2752)
[   53.742223][  T936]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.742353][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.742554][  T936]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   53.742678][  T936]  ? do_getsockname (net/socket.c:2192)
[   53.742805][  T936]  __sys_sendmsg (net/socket.c:2784)
[   53.742935][  T936]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.743067][  T936]  ? __sys_getsockname (net/socket.c:2210)
[   53.743201][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.743341][  T936]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.743536][  T936]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.743664][  T936]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.743796][  T936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.743956][  T936] RIP: 0033:0x7f12d2f7d08e
[   53.744093][  T936] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.744574][  T936] RSP: 002b:00007ffecbe6b840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.744770][  T936] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12d2f7d08e
[   53.744959][  T936] RDX: 0000000000000000 RSI: 00007ffecbe6b8c0 RDI: 0000000000000005
[   53.745145][  T936] RBP: 00007ffecbe6b850 R08: 0000000000000000 R09: 0000000000000000
[   53.745335][  T936] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffecbe6ffc8
[   53.745531][  T936] R13: 0000000000000003 R14: 00007f12d3269000 R15: 000000000040bda8
| [   53.746792][  T936] ---[ end trace 0000000000000000 ]---
| [   53.785606][   T12] ------------[ cut here ]------------
| [   53.785794][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.786422][   T12] Tainted: [W]=WARN
[   53.786569][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.786765][   T12] Workqueue: netns cleanup_net
[   53.786940][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.787145][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.787647][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.787846][   T12] RAX: 00000000ffffffa6 RBX: ff1100002003c040 RCX: 1ff4000000018eed
[   53.788073][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100002003c0f8
[   53.788310][   T12] RBP: ff1100000e534000 R08: 1fe2200004007820 R09: ff11000001b0d1d0
[   53.788558][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.788788][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.789017][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.789283][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.789501][   T12] CR2: 00007f51a3aba004 CR3: 0000000016549006 CR4: 0000000000771ef0
[   53.789736][   T12] PKRU: 55555554
[   53.789875][   T12] Call Trace:
[   53.790012][   T12]  <TASK>
[   53.790121][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.790332][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.790550][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.790720][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.790932][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.791105][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.791289][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.791486][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.791658][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   53.791826][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.791999][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.792173][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.792357][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.792549][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.792718][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.792892][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.793065][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.793246][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.793434][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.793617][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.793787][   T12]  kthread (kernel/kthread.c:436)
[   53.793927][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.794125][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.794309][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.794503][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.794704][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.794876][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.795045][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.796608][   T12] ---[ end trace 0000000000000000 ]---
| [   53.809384][   T12] ------------[ cut here ]------------
| [   53.809575][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.810202][   T12] Tainted: [W]=WARN
[   53.810345][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.810573][   T12] Workqueue: netns cleanup_net
[   53.810749][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.810959][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.811485][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.811694][   T12] RAX: 00000000ffffffa6 RBX: ff11000010bdba80 RCX: 1ff4000000018ed5
[   53.811927][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010bdbb38
[   53.812159][   T12] RBP: ff1100000cf61000 R08: 1fe220000217b768 R09: ff11000001b0d1d0
[   53.812416][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.812659][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.812896][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.813160][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.813373][   T12] CR2: 00007f51a3aba004 CR3: 0000000016549006 CR4: 0000000000771ef0
[   53.813629][   T12] PKRU: 55555554
[   53.813769][   T12] Call Trace:
[   53.813911][   T12]  <TASK>
[   53.814023][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.814244][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.814466][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.814649][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.814822][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.814996][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.815175][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.815355][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   53.815546][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.815724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.815900][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.816072][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.816258][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.816445][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.816629][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.816805][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.816984][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.817159][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.817355][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.817584][   T12]  kthread (kernel/kthread.c:436)
[   53.817728][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.817933][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.818106][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.818289][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.818513][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.818690][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.818862][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.820415][   T12] ---[ end trace 0000000000000000 ]---
| [   53.822215][  T938] ------------[ cut here ]------------
| [   53.822361][  T938] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/938
| [   53.822940][  T938] Tainted: [W]=WARN
[   53.823045][  T938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.823219][  T938] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.823488][  T938] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.823963][  T938] RSP: 0018:ffa0000000fc7020 EFLAGS: 00010286
[   53.824131][  T938] RAX: 00000000ffffffa6 RBX: ff11000004a558c0 RCX: 1ff40000001f8dca
[   53.824412][  T938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a55978
[   53.824620][  T938] RBP: ff1100000e5bc000 R08: 1fe220000094ab30 R09: ff1100000c9a5158
[   53.824816][  T938] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   53.825015][  T938] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e5bcce1
[   53.825223][  T938] FS:  00007f18674d2840(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   53.825482][  T938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.825650][  T938] CR2: 00007f18677a21a0 CR3: 0000000020965002 CR4: 0000000000771ef0
[   53.825848][  T938] PKRU: 55555554
[   53.825947][  T938] Call Trace:
[   53.826045][  T938]  <TASK>
[   53.826114][  T938]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.826253][  T938]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.826352][  T938]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.826494][  T938]  __dev_notify_flags (net/core/dev.c:9787)
[   53.826628][  T938]  ? netif_change_name (net/core/dev.c:1495)
[   53.826761][  T938]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.826894][  T938]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   53.827029][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.827166][  T938]  ? 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))
[   53.827303][  T938]  netif_change_flags (net/core/dev.c:9820)
[   53.827442][  T938]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   53.827583][  T938]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.827717][  T938]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.827882][  T938]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.828017][  T938]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.828150][  T938]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.828289][  T938]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.828429][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.828571][  T938]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.828704][  T938]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.828837][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.828973][  T938]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.829105][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.829240][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.829373][  T938]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.829519][  T938]  ? __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)
[   53.829652][  T938]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.829785][  T938]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.829920][  T938]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.830059][  T938]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.830201][  T938]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.830335][  T938]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.830477][  T938]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.830609][  T938]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.830743][  T938]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.830878][  T938]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.831014][  T938]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.831147][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.831287][  T938]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.831427][  T938]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.831567][  T938]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.831698][  T938]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.831831][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.831966][  T938]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.832099][  T938]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.832236][  T938]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.832367][  T938]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.832510][  T938]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.832646][  T938]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.832778][  T938]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.832912][  T938]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.833046][  T938]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.833184][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.833319][  T938]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.833459][  T938]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.833600][  T938]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.833735][  T938]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.833912][  T938]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.834044][  T938]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.834210][  T938]  ? move_addr_to_kernel (net/socket.c:258)
[   53.834343][  T938]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.834485][  T938]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.834620][  T938]  ___sys_sendmsg (net/socket.c:2752)
[   53.834752][  T938]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.834917][  T938]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.835059][  T938]  __sys_sendmsg (net/socket.c:2784)
[   53.835198][  T938]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.835329][  T938]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.835508][  T938]  ? 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)
[   53.835639][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.835772][  T938]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.835905][  T938]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.836039][  T938]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.836176][  T938]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.836342][  T938] RIP: 0033:0x7f186770c08e
[   53.836490][  T938] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.836958][  T938] RSP: 002b:00007ffd2bae4340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.837160][  T938] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f186770c08e
[   53.837361][  T938] RDX: 0000000000000000 RSI: 00007ffd2bae43f0 RDI: 0000000000000005
[   53.837569][  T938] RBP: 00007ffd2bae4350 R08: 0000000000000000 R09: 0000000000000000
[   53.837765][  T938] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce65
[   53.837966][  T938] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2bae4ac0
| [   53.839305][  T938] ---[ end trace 0000000000000000 ]---
| [   53.889108][  T939] ------------[ cut here ]------------
| [   53.889266][  T939] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/939
| [   53.890389][  T939] Tainted: [W]=WARN
[   53.890518][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.890677][  T939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.890846][  T939] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.891292][  T939] RSP: 0018:ffa0000002007188 EFLAGS: 00010286
[   53.891455][  T939] RAX: 00000000ffffffa6 RBX: ff1100000d0cd540 RCX: 1ff4000000400df7
[   53.891650][  T939] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0cd5f8
[   53.891835][  T939] RBP: ff1100000e5bc000 R08: 1fe2200001a19ac0 R09: ff11000009c50b58
[   53.892021][  T939] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.892210][  T939] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.892401][  T939] FS:  00007fa016d21ec0(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   53.892626][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.892784][  T939] CR2: 00007fa017082004 CR3: 000000001fe5b006 CR4: 0000000000771ef0
[   53.892973][  T939] PKRU: 55555554
[   53.893066][  T939] Call Trace:
[   53.893161][  T939]  <TASK>
[   53.893229][  T939]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.893390][  T939]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.893557][  T939]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.893681][  T939]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.893805][  T939]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.893963][  T939]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   53.894088][  T939]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.894219][  T939]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.894344][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.894480][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.894617][  T939]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.894739][  T939]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.894862][  T939]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.894986][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.895110][  T939]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.895235][  T939]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.895359][  T939]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.895494][  T939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.895619][  T939]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   53.895743][  T939]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.895867][  T939]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.895995][  T939]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.896117][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.896250][  T939]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.896375][  T939]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.896509][  T939]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.896632][  T939]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.896756][  T939]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.896888][  T939]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.897011][  T939]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.897146][  T939]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.897279][  T939]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.897410][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.897544][  T939]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.897670][  T939]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.897795][  T939]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.897920][  T939]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.898045][  T939]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.898173][  T939]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.898329][  T939]  ? move_addr_to_kernel (net/socket.c:258)
[   53.898457][  T939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.898588][  T939]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.898743][  T939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.898866][  T939]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.899020][  T939]  ___sys_sendmsg (net/socket.c:2752)
[   53.899147][  T939]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.899278][  T939]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.899415][  T939]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   53.899545][  T939]  ? do_getsockname (net/socket.c:2192)
[   53.899671][  T939]  __sys_sendmsg (net/socket.c:2784)
[   53.899796][  T939]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.899923][  T939]  ? __sys_getsockname (net/socket.c:2210)
[   53.900047][  T939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.900176][  T939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.900301][  T939]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.900430][  T939]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.900559][  T939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.900739][  T939] RIP: 0033:0x7fa016dd608e
[   53.900877][  T939] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.901345][  T939] RSP: 002b:00007fff377a7670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.901546][  T939] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa016dd608e
[   53.901933][  T939] RDX: 0000000000000000 RSI: 00007fff377a76f0 RDI: 0000000000000005
[   53.902121][  T939] RBP: 00007fff377a7680 R08: 0000000000000000 R09: 0000000000000000
[   53.902313][  T939] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff377abdf8
[   53.902509][  T939] R13: 0000000000000003 R14: 00007fa0170c2000 R15: 000000000040bda8
| [   53.903809][  T939] ---[ end trace 0000000000000000 ]---
| [   53.943712][   T12] ------------[ cut here ]------------
| [   53.943897][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.944559][   T12] Tainted: [W]=WARN
[   53.944699][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.944898][   T12] Workqueue: netns cleanup_net
[   53.945073][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.945291][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.945792][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.946007][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0cc740 RCX: 1ff4000000018eed
[   53.946256][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0cc7f8
[   53.946544][   T12] RBP: ff1100000b754000 R08: 1fe2200001a19900 R09: ff11000001b0d1d0
[   53.946776][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.947004][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.947250][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.947533][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.947737][   T12] CR2: 00007f51a3aba004 CR3: 0000000016549006 CR4: 0000000000771ef0
[   53.947967][   T12] PKRU: 55555554
[   53.948107][   T12] Call Trace:
[   53.948257][   T12]  <TASK>
[   53.948413][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.948625][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.948825][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.949000][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.949180][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.949358][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.949563][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.949737][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.949910][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   53.950078][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.950264][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.950447][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.950667][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.950840][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.951009][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.951185][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.951363][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.951559][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.951734][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.951912][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.952081][   T12]  kthread (kernel/kthread.c:436)
[   53.952268][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.952502][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.952675][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.952867][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.953076][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.953262][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.953446][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.955002][   T12] ---[ end trace 0000000000000000 ]---
| [   53.967557][   T12] ------------[ cut here ]------------
| [   53.967734][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.968353][   T12] Tainted: [W]=WARN
[   53.968542][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.968773][   T12] Workqueue: netns cleanup_net
[   53.968957][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.969165][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.969693][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.969896][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0cc040 RCX: 1ff4000000018ed5
[   53.970125][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0cc0f8
[   53.970367][   T12] RBP: ff1100000c8e1000 R08: 1fe2200001a19820 R09: ff11000001b0d1d0
[   53.970620][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.970854][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.971098][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   53.971373][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.971595][   T12] CR2: 00007f51a3aba004 CR3: 0000000016549006 CR4: 0000000000771ef0
[   53.971828][   T12] PKRU: 55555554
[   53.971967][   T12] Call Trace:
[   53.972107][   T12]  <TASK>
[   53.972228][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.972452][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.972668][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.972844][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.973019][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.973203][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.973380][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.973578][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   53.973751][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.973931][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.974107][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.974297][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.974496][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.974670][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.974845][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.975021][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.975199][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.975378][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.975578][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.975751][   T12]  kthread (kernel/kthread.c:436)
[   53.975898][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.976101][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.976297][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.976490][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.976695][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.976870][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.977054][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.978617][   T12] ---[ end trace 0000000000000000 ]---
| [   53.980533][  T941] ------------[ cut here ]------------
| [   53.980679][  T941] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/941
| [   53.981182][  T941] Tainted: [W]=WARN
[   53.981301][  T941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.982010][  T941] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.982194][  T941] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.982731][  T941] RSP: 0018:ffa0000002027020 EFLAGS: 00010286
[   53.982900][  T941] RAX: 00000000ffffffa6 RBX: ff110000028a6c80 RCX: 1ff4000000404dca
[   53.983101][  T941] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028a6d38
[   53.983303][  T941] RBP: ff110000058fc000 R08: 1fe2200000514da8 R09: ff1100000cb55158
[   53.983566][  T941] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   53.983765][  T941] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058fcce1
[   53.983964][  T941] FS:  00007f6364196840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   53.984204][  T941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.984371][  T941] CR2: 00000000277a0988 CR3: 0000000020965005 CR4: 0000000000771ef0
[   53.984629][  T941] PKRU: 55555554
[   53.984729][  T941] Call Trace:
[   53.984827][  T941]  <TASK>
[   53.984896][  T941]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.985033][  T941]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.985135][  T941]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.985271][  T941]  __dev_notify_flags (net/core/dev.c:9787)
[   53.985477][  T941]  ? netif_change_name (net/core/dev.c:1495)
[   53.985612][  T941]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.985747][  T941]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   53.985880][  T941]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.986015][  T941]  ? 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))
[   53.986151][  T941]  netif_change_flags (net/core/dev.c:9820)
[   53.986292][  T941]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   53.986488][  T941]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   53.986621][  T941]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   53.986787][  T941]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.986920][  T941]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.987055][  T941]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.987194][  T941]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.987327][  T941]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.987523][  T941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.987658][  T941]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.987796][  T941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.987929][  T941]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.988081][  T941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.988220][  T941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.988354][  T941]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.988548][  T941]  ? __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)
[   53.988682][  T941]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   53.988817][  T941]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   53.988954][  T941]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   53.989091][  T941]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   53.989237][  T941]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   53.989373][  T941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.989549][  T941]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.989682][  T941]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   53.989818][  T941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.989952][  T941]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.990085][  T941]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.990224][  T941]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.990360][  T941]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   53.990506][  T941]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.990641][  T941]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.990775][  T941]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.990908][  T941]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.991042][  T941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.991177][  T941]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.991314][  T941]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.991453][  T941]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   53.991592][  T941]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.991729][  T941]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.991863][  T941]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.992000][  T941]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.992134][  T941]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.992272][  T941]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   53.992412][  T941]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.992555][  T941]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   53.992691][  T941]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   53.992828][  T941]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.992965][  T941]  ? copy_msghdr_from_user (net/socket.c:2635)
[   53.993099][  T941]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   53.993271][  T941]  ? move_addr_to_kernel (net/socket.c:258)
[   53.993411][  T941]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.993552][  T941]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   53.993687][  T941]  ___sys_sendmsg (net/socket.c:2752)
[   53.993820][  T941]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   53.993986][  T941]  ? copy_msghdr_from_user (net/socket.c:2603)
[   53.994129][  T941]  __sys_sendmsg (net/socket.c:2784)
[   53.994272][  T941]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   53.994411][  T941]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   53.994585][  T941]  ? 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)
[   53.994720][  T941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.994854][  T941]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.994988][  T941]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   53.995124][  T941]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   53.995264][  T941]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.995436][  T941] RIP: 0033:0x7f63643d008e
[   53.995586][  T941] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.996063][  T941] RSP: 002b:00007ffd828218c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.996272][  T941] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f63643d008e
[   53.996481][  T941] RDX: 0000000000000000 RSI: 00007ffd82821970 RDI: 0000000000000005
[   53.996681][  T941] RBP: 00007ffd828218d0 R08: 0000000000000000 R09: 0000000000000000
[   53.996883][  T941] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce65
[   53.997084][  T941] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd82822040
| [   53.998442][  T941] ---[ end trace 0000000000000000 ]---
| [   54.053779][  T942] ------------[ cut here ]------------
| [   54.053944][  T942] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/942
| [   54.054526][  T942] Tainted: [W]=WARN
[   54.054625][  T942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.054785][  T942] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.054951][  T942] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.055432][  T942] RSP: 0018:ffa0000002037188 EFLAGS: 00010286
[   54.055602][  T942] RAX: 00000000ffffffa6 RBX: ff1100002003cc80 RCX: 1ff4000000406df7
[   54.055794][  T942] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100002003cd38
[   54.055985][  T942] RBP: ff110000058fc000 R08: 1fe22000040079a8 R09: ff1100000cb52e58
[   54.056182][  T942] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.056374][  T942] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.056579][  T942] FS:  00007f075442bec0(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   54.056805][  T942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.056971][  T942] CR2: 00007f075478c004 CR3: 000000002007e003 CR4: 0000000000771ef0
[   54.057171][  T942] PKRU: 55555554
[   54.057267][  T942] Call Trace:
[   54.057362][  T942]  <TASK>
[   54.057435][  T942]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.057604][  T942]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.057764][  T942]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.057896][  T942]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.058024][  T942]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.058194][  T942]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   54.058324][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.058528][  T942]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.058664][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.058794][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.058935][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.059062][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.059198][  T942]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.059327][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.059526][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.059668][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.059798][  T942]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.059926][  T942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.060055][  T942]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.060189][  T942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.060319][  T942]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.060538][  T942]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.060753][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.060885][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.061011][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.061144][  T942]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.061276][  T942]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.061491][  T942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.061622][  T942]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.061749][  T942]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.061879][  T942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.062009][  T942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.062137][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.062268][  T942]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.062487][  T942]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.062617][  T942]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.062745][  T942]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.062872][  T942]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.062998][  T942]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.063165][  T942]  ? move_addr_to_kernel (net/socket.c:258)
[   54.063297][  T942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.063485][  T942]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.063643][  T942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.063770][  T942]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.063930][  T942]  ___sys_sendmsg (net/socket.c:2752)
[   54.064057][  T942]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.064190][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.064323][  T942]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   54.064461][  T942]  ? do_getsockname (net/socket.c:2192)
[   54.064597][  T942]  __sys_sendmsg (net/socket.c:2784)
[   54.064726][  T942]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.064856][  T942]  ? __sys_getsockname (net/socket.c:2210)
[   54.064984][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.065112][  T942]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.065242][  T942]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.065369][  T942]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.065507][  T942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.065664][  T942] RIP: 0033:0x7f07544e008e
[   54.065799][  T942] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.066264][  T942] RSP: 002b:00007ffdfe408450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.066461][  T942] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07544e008e
[   54.066658][  T942] RDX: 0000000000000000 RSI: 00007ffdfe4084d0 RDI: 0000000000000005
[   54.066848][  T942] RBP: 00007ffdfe408460 R08: 0000000000000000 R09: 0000000000000000
[   54.067037][  T942] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdfe40cbd8
[   54.067233][  T942] R13: 0000000000000003 R14: 00007f07547cc000 R15: 000000000040bda8
| [   54.068557][  T942] ---[ end trace 0000000000000000 ]---
| [   54.111676][   T12] ------------[ cut here ]------------
| [   54.111868][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.112507][   T12] Tainted: [W]=WARN
[   54.112646][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.112844][   T12] Workqueue: netns cleanup_net
[   54.113018][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.113237][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.113734][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.113937][   T12] RAX: 00000000ffffffa6 RBX: ff110000209f1380 RCX: 1ff4000000018eed
[   54.114203][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000209f1438
[   54.114444][   T12] RBP: ff1100000c9c9000 R08: 1fe220000413e288 R09: ff11000001b0d1d0
[   54.114680][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.114908][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.115139][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   54.115421][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.115628][   T12] CR2: 00007f4717b39fb0 CR3: 0000000016549006 CR4: 0000000000771ef0
[   54.115855][   T12] PKRU: 55555554
[   54.115993][   T12] Call Trace:
[   54.116143][   T12]  <TASK>
[   54.116259][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.116495][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.116691][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.116862][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.117035][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.117209][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.117383][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.117577][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.117749][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   54.117917][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.118088][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.118266][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.118444][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.118758][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.118928][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.119097][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.119281][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.119461][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.119641][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.119812][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.119988][   T12]  kthread (kernel/kthread.c:436)
[   54.120130][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.120337][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.120531][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.120701][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.120901][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.121072][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.121253][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.122815][   T12] ---[ end trace 0000000000000000 ]---
| [   54.135830][   T12] ------------[ cut here ]------------
| [   54.136013][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.136656][   T12] Tainted: [W]=WARN
[   54.136799][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.136998][   T12] Workqueue: netns cleanup_net
[   54.137175][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.137388][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.137889][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.138090][   T12] RAX: 00000000ffffffa6 RBX: ff110000209f0c80 RCX: 1ff4000000018ed5
[   54.138329][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000209f0d38
[   54.138578][   T12] RBP: ff1100000cde4000 R08: 1fe220000413e1a8 R09: ff11000001b0d1d0
[   54.138807][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.139037][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.139278][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   54.139558][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.139757][   T12] CR2: 00007f4717b39fb0 CR3: 0000000016549006 CR4: 0000000000771ef0
[   54.139995][   T12] PKRU: 55555554
[   54.140133][   T12] Call Trace:
[   54.140280][   T12]  <TASK>
[   54.140390][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.140616][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.140819][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.140992][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.141169][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.141348][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.141543][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.141716][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   54.141885][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.142059][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.142243][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.142428][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.142613][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.142789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.142963][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.143138][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.143318][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.143517][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.143692][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.143873][   T12]  kthread (kernel/kthread.c:436)
[   54.144015][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.144226][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.144411][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.144588][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.144788][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.144961][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.145136][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.146698][   T12] ---[ end trace 0000000000000000 ]---
| [   54.147972][  T944] ------------[ cut here ]------------
| [   54.148131][  T944] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/944
| [   54.148717][  T944] Tainted: [W]=WARN
[   54.148820][  T944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.148988][  T944] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.149174][  T944] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.150180][  T944] RSP: 0018:ffa0000002047020 EFLAGS: 00010286
[   54.150381][  T944] RAX: 00000000ffffffa6 RBX: ff110000209f03c0 RCX: 1ff4000000408dca
[   54.150594][  T944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000209f0478
[   54.150797][  T944] RBP: ff1100000a48c000 R08: 1fe220000413e090 R09: ff1100000cf35158
[   54.150997][  T944] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   54.151207][  T944] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a48cce1
[   54.151414][  T944] FS:  00007f23974eb840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   54.151683][  T944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.151855][  T944] CR2: 0000000036dca988 CR3: 000000002007e006 CR4: 0000000000771ef0
[   54.152061][  T944] PKRU: 55555554
[   54.152167][  T944] Call Trace:
[   54.152266][  T944]  <TASK>
[   54.152334][  T944]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.152479][  T944]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.153865][  T944]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.154020][  T944]  __dev_notify_flags (net/core/dev.c:9787)
[   54.154162][  T944]  ? netif_change_name (net/core/dev.c:1495)
[   54.154307][  T944]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   54.154457][  T944]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   54.154606][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.154743][  T944]  ? 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))
[   54.154883][  T944]  netif_change_flags (net/core/dev.c:9820)
[   54.155019][  T944]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   54.155177][  T944]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   54.155314][  T944]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.155495][  T944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.155631][  T944]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.155768][  T944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.155906][  T944]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.156044][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.156188][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.156326][  T944]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.156469][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.156611][  T944]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.156747][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.156886][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.157022][  T944]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.157163][  T944]  ? __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)
[   54.157300][  T944]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   54.157441][  T944]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.157582][  T944]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   54.157717][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   54.157853][  T944]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.157989][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.158121][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.158258][  T944]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.158391][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.158533][  T944]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.158667][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.158801][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.158937][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.159072][  T944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.159208][  T944]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.159340][  T944]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.159496][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.159637][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.159771][  T944]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.159906][  T944]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.160046][  T944]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.160188][  T944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.160326][  T944]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.160467][  T944]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.160610][  T944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.160743][  T944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.160877][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.161011][  T944]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.161149][  T944]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.161289][  T944]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.161429][  T944]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.161568][  T944]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.161701][  T944]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.161867][  T944]  ? move_addr_to_kernel (net/socket.c:258)
[   54.162001][  T944]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.162134][  T944]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.162271][  T944]  ___sys_sendmsg (net/socket.c:2752)
[   54.162408][  T944]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.162579][  T944]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.162722][  T944]  __sys_sendmsg (net/socket.c:2784)
[   54.162855][  T944]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.162987][  T944]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.163154][  T944]  ? 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)
[   54.163291][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.163470][  T944]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.163610][  T944]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.163742][  T944]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.163874][  T944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.164038][  T944] RIP: 0033:0x7f239772508e
[   54.164179][  T944] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.164665][  T944] RSP: 002b:00007ffe8cf886e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.164866][  T944] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f239772508e
[   54.165067][  T944] RDX: 0000000000000000 RSI: 00007ffe8cf88790 RDI: 0000000000000005
[   54.165275][  T944] RBP: 00007ffe8cf886f0 R08: 0000000000000000 R09: 0000000000000000
[   54.165481][  T944] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce65
[   54.165678][  T944] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8cf88e60
| [   54.167016][  T944] ---[ end trace 0000000000000000 ]---
| [   54.220319][  T945] ------------[ cut here ]------------
| [   54.221035][  T945] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/945
| [   54.221605][  T945] Tainted: [W]=WARN
[   54.221702][  T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.221865][  T945] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.222035][  T945] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.222514][  T945] RSP: 0018:ffa0000002057188 EFLAGS: 00010286
[   54.222679][  T945] RAX: 00000000ffffffa6 RBX: ff11000001ef0900 RCX: 1ff400000040adf7
[   54.222874][  T945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ef09b8
[   54.223068][  T945] RBP: ff1100000a48c000 R08: 1fe22000003de138 R09: ff1100000cf32e58
[   54.223264][  T945] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.223462][  T945] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.223663][  T945] FS:  00007f9ca7740ec0(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   54.223890][  T945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.224051][  T945] CR2: 00007f9ca7aa1004 CR3: 000000000d01c001 CR4: 0000000000771ef0
[   54.224265][  T945] PKRU: 55555554
[   54.224363][  T945] Call Trace:
[   54.224465][  T945]  <TASK>
[   54.224539][  T945]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.224703][  T945]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.224863][  T945]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.224993][  T945]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.225123][  T945]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.225294][  T945]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   54.225429][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.225561][  T945]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.225690][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.225818][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.225967][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.226097][  T945]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.226254][  T945]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.226381][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.226525][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.226653][  T945]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.226782][  T945]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.226912][  T945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.227043][  T945]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.227177][  T945]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.227307][  T945]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.227441][  T945]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.227576][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.227706][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.227834][  T945]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.227963][  T945]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.228092][  T945]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.228227][  T945]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.228359][  T945]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.228499][  T945]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.228627][  T945]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.228756][  T945]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.228886][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.229016][  T945]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.229146][  T945]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.229283][  T945]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.229417][  T945]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.229551][  T945]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.229679][  T945]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.229836][  T945]  ? move_addr_to_kernel (net/socket.c:258)
[   54.229964][  T945]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.230092][  T945]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.230259][  T945]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.230386][  T945]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.230559][  T945]  ___sys_sendmsg (net/socket.c:2752)
[   54.230688][  T945]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.230816][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.230952][  T945]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   54.231080][  T945]  ? do_getsockname (net/socket.c:2192)
[   54.231218][  T945]  __sys_sendmsg (net/socket.c:2784)
[   54.231346][  T945]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.231488][  T945]  ? __sys_getsockname (net/socket.c:2210)
[   54.231615][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.231743][  T945]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.231871][  T945]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.231999][  T945]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.232128][  T945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.232296][  T945] RIP: 0033:0x7f9ca77f508e
[   54.232435][  T945] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.232916][  T945] RSP: 002b:00007ffd7a5506f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.233107][  T945] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ca77f508e
[   54.233304][  T945] RDX: 0000000000000000 RSI: 00007ffd7a550770 RDI: 0000000000000005
[   54.233512][  T945] RBP: 00007ffd7a550700 R08: 0000000000000000 R09: 0000000000000000
[   54.233701][  T945] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7a554e78
[   54.233893][  T945] R13: 0000000000000003 R14: 00007f9ca7ae1000 R15: 000000000040bda8
| [   54.235236][  T945] ---[ end trace 0000000000000000 ]---
| [   54.266882][   T12] ------------[ cut here ]------------
| [   54.267082][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.267741][   T12] Tainted: [W]=WARN
[   54.267883][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.268087][   T12] Workqueue: netns cleanup_net
[   54.268278][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.268506][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.269022][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.269235][   T12] RAX: 00000000ffffffa6 RBX: ff11000002863a80 RCX: 1ff4000000018eed
[   54.269513][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002863b38
[   54.269744][   T12] RBP: ff11000004f5c000 R08: 1fe220000050c768 R09: ff11000001b0d1d0
[   54.269979][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.270221][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.270473][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   54.270743][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.270950][   T12] CR2: 00007f4717b39fb0 CR3: 0000000016549006 CR4: 0000000000771ef0
[   54.271191][   T12] PKRU: 55555554
[   54.271334][   T12] Call Trace:
[   54.271499][   T12]  <TASK>
[   54.271611][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.271818][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.272217][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.272468][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.272695][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.272866][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.273039][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.273216][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.273454][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   54.273634][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.273805][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.273978][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.274150][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.274328][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.274530][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.274701][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.274874][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.275043][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.275224][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.275415][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.275592][   T12]  kthread (kernel/kthread.c:436)
[   54.275732][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.275932][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.276101][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.276297][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.276514][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.276689][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.276859][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.278422][   T12] ---[ end trace 0000000000000000 ]---
| [   54.290967][   T12] ------------[ cut here ]------------
| [   54.291140][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.291815][   T12] Tainted: [W]=WARN
[   54.291986][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.292201][   T12] Workqueue: netns cleanup_net
[   54.292379][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.292624][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.293124][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.293344][   T12] RAX: 00000000ffffffa6 RBX: ff11000002863380 RCX: 1ff4000000018ed5
[   54.293600][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002863438
[   54.293829][   T12] RBP: ff11000005d4c000 R08: 1fe220000050c688 R09: ff11000001b0d1d0
[   54.294058][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.294302][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.294560][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   54.294825][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.295058][   T12] CR2: 00007f4717b39fb0 CR3: 0000000016549006 CR4: 0000000000771ef0
[   54.295300][   T12] PKRU: 55555554
[   54.295457][   T12] Call Trace:
[   54.295603][   T12]  <TASK>
[   54.295712][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.295917][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.296120][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.296305][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.296497][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.296675][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.296855][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.297028][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   54.297200][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.297374][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.297570][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.297738][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.297914][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.298082][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.298265][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.298450][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.298628][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.298801][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.298973][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.299142][   T12]  kthread (kernel/kthread.c:436)
[   54.299291][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.299511][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.299681][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.299850][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.300047][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.300226][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.300413][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.301933][   T12] ---[ end trace 0000000000000000 ]---
| [   54.310351][  T947] ------------[ cut here ]------------
| [   54.310512][  T947] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/947
| [   54.311007][  T947] Tainted: [W]=WARN
[   54.311105][  T947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.311274][  T947] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.311461][  T947] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.311952][  T947] RSP: 0018:ffa0000002067020 EFLAGS: 00010286
[   54.312121][  T947] RAX: 00000000ffffffa6 RBX: ff11000002862ac0 RCX: 1ff400000040cdca
[   54.312325][  T947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002862b78
[   54.312532][  T947] RBP: ff11000007f99000 R08: 1fe220000050c570 R09: ff11000004d38b58
[   54.312727][  T947] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   54.312923][  T947] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f99ce1
[   54.313120][  T947] FS:  00007f6b9da08840(0000) GS:ff1100007d6b0000(0000) knlGS:0000000000000000
[   54.313356][  T947] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.313531][  T947] CR2: 000000001788f988 CR3: 0000000020079004 CR4: 0000000000771ef0
[   54.313729][  T947] PKRU: 55555554
[   54.313828][  T947] Call Trace:
[   54.313926][  T947]  <TASK>
[   54.313994][  T947]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.314129][  T947]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.314234][  T947]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.314366][  T947]  __dev_notify_flags (net/core/dev.c:9787)
[   54.314512][  T947]  ? netif_change_name (net/core/dev.c:1495)
[   54.314643][  T947]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   54.314775][  T947]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   54.314906][  T947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.315055][  T947]  ? 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))
[   54.315197][  T947]  netif_change_flags (net/core/dev.c:9820)
[   54.315329][  T947]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   54.315552][  T947]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   54.315773][  T947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.315938][  T947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.316069][  T947]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.316205][  T947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.316336][  T947]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.316548][  T947]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.316681][  T947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.316812][  T947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.316946][  T947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.317081][  T947]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.317219][  T947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.317357][  T947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.317572][  T947]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.317703][  T947]  ? __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)
[   54.317835][  T947]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   54.317967][  T947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.318106][  T947]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   54.318246][  T947]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   54.318381][  T947]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.318585][  T947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.318719][  T947]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.318849][  T947]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.318982][  T947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.319112][  T947]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.319247][  T947]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.319378][  T947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.319655][  T947]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.319788][  T947]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.319919][  T947]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.320048][  T947]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.320180][  T947]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.320313][  T947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.320516][  T947]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.320647][  T947]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.320777][  T947]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.320909][  T947]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.321041][  T947]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.321175][  T947]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.321308][  T947]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.321444][  T947]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.321579][  T947]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.321711][  T947]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.321844][  T947]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.321977][  T947]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.322109][  T947]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.322241][  T947]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.322371][  T947]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.322544][  T947]  ? move_addr_to_kernel (net/socket.c:258)
[   54.322675][  T947]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.322808][  T947]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.322941][  T947]  ___sys_sendmsg (net/socket.c:2752)
[   54.323072][  T947]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.323239][  T947]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.323381][  T947]  __sys_sendmsg (net/socket.c:2784)
[   54.323526][  T947]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.323657][  T947]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.323820][  T947]  ? 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)
[   54.323953][  T947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.324087][  T947]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.324225][  T947]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.324365][  T947]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.324507][  T947]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.324669][  T947] RIP: 0033:0x7f6b9dc4208e
[   54.324804][  T947] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.325271][  T947] RSP: 002b:00007ffc9228fc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.325473][  T947] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6b9dc4208e
[   54.325673][  T947] RDX: 0000000000000000 RSI: 00007ffc9228fcb0 RDI: 0000000000000005
[   54.325870][  T947] RBP: 00007ffc9228fc10 R08: 0000000000000000 R09: 0000000000000000
[   54.326064][  T947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce65
[   54.326266][  T947] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc92290380
| [   54.327597][  T947] ---[ end trace 0000000000000000 ]---
| [   54.374435][  T948] ------------[ cut here ]------------
| [   54.374597][  T948] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ovpn-cli/948
| [   54.375113][  T948] Tainted: [W]=WARN
[   54.375210][  T948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.375368][  T948] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.375552][  T948] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.376004][  T948] RSP: 0018:ffa0000002067188 EFLAGS: 00010286
[   54.376168][  T948] RAX: 00000000ffffffa6 RBX: ff1100000b2d0ac0 RCX: 1ff400000040cdf7
[   54.376358][  T948] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d0b78
[   54.376565][  T948] RBP: ff11000007f99000 R08: 1fe220000165a170 R09: ff11000004d3ae58
[   54.376752][  T948] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.376938][  T948] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.377127][  T948] FS:  00007fb26f87aec0(0000) GS:ff1100007d730000(0000) knlGS:0000000000000000
[   54.377350][  T948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.377524][  T948] CR2: 00007fb26fbdb004 CR3: 000000000d0a5005 CR4: 0000000000771ef0
[   54.377712][  T948] PKRU: 55555554
[   54.377807][  T948] Call Trace:
[   54.377902][  T948]  <TASK>
[   54.377966][  T948]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.378125][  T948]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.378285][  T948]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.378417][  T948]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.378551][  T948]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.378707][  T948]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   54.378835][  T948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.378960][  T948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.379087][  T948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.379215][  T948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.379355][  T948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.379496][  T948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.379621][  T948]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.379745][  T948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.379874][  T948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.379998][  T948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.380121][  T948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.380252][  T948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.380381][  T948]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.380572][  T948]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.380698][  T948]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.380823][  T948]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.380949][  T948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.381073][  T948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.381201][  T948]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.381330][  T948]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.381523][  T948]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.381647][  T948]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.381779][  T948]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.381909][  T948]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.382034][  T948]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.382158][  T948]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.382288][  T948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.382502][  T948]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.382688][  T948]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.382814][  T948]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.382942][  T948]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.383081][  T948]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.383210][  T948]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.383364][  T948]  ? move_addr_to_kernel (net/socket.c:258)
[   54.383575][  T948]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.383702][  T948]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.383857][  T948]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.383986][  T948]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.384141][  T948]  ___sys_sendmsg (net/socket.c:2752)
[   54.384268][  T948]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.384391][  T948]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.384548][  T948]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   54.384672][  T948]  ? do_getsockname (net/socket.c:2192)
[   54.384801][  T948]  __sys_sendmsg (net/socket.c:2784)
[   54.384926][  T948]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.385054][  T948]  ? __sys_getsockname (net/socket.c:2210)
[   54.385180][  T948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.385305][  T948]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.385434][  T948]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.385563][  T948]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.385687][  T948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.385838][  T948] RIP: 0033:0x7fb26f92f08e
[   54.385967][  T948] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.386417][  T948] RSP: 002b:00007ffd894216e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.386611][  T948] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb26f92f08e
[   54.386813][  T948] RDX: 0000000000000000 RSI: 00007ffd89421760 RDI: 0000000000000005
[   54.387000][  T948] RBP: 00007ffd894216f0 R08: 0000000000000000 R09: 0000000000000000
[   54.387189][  T948] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd89425e68
[   54.387374][  T948] R13: 0000000000000003 R14: 00007fb26fc1b000 R15: 000000000040bda8
| [   54.388638][  T948] ---[ end trace 0000000000000000 ]---
| [   54.423991][   T12] ------------[ cut here ]------------
| [   54.424171][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.424803][   T12] Tainted: [W]=WARN
[   54.424946][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.425146][   T12] Workqueue: netns cleanup_net
[   54.425327][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.425554][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.426039][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.426256][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b2d1000 RCX: 1ff4000000018eed
[   54.426531][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d10b8
[   54.426782][   T12] RBP: ff1100000cb89000 R08: 1fe220000165a218 R09: ff11000001b0d1d0
[   54.427004][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.427270][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.427522][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   54.427780][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.427976][   T12] CR2: 00007f4717b39fb0 CR3: 0000000016549006 CR4: 0000000000771ef0
[   54.428208][   T12] PKRU: 55555554
[   54.428346][   T12] Call Trace:
[   54.428504][   T12]  <TASK>
[   54.428620][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.428822][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.429021][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.429197][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.429367][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.429560][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.429728][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.429898][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.430068][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   54.430245][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.430431][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.430610][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.430775][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.430943][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.431110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.431289][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.431475][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.431651][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.431822][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.431995][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.432165][   T12]  kthread (kernel/kthread.c:436)
[   54.432315][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.432532][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.432699][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.432866][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.433063][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.433242][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.433421][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.434958][   T12] ---[ end trace 0000000000000000 ]---
| [   54.446350][   T12] ------------[ cut here ]------------
| [   54.446531][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.447133][   T12] Tainted: [W]=WARN
[   54.447279][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.447499][   T12] Workqueue: netns cleanup_net
[   54.447672][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.447875][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.448383][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.448662][   T12] RAX: 00000000ffffffa6 RBX: ff11000004a54c80 RCX: 1ff4000000018ed5
[   54.448892][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a54d38
[   54.449125][   T12] RBP: ff1100000cbcc000 R08: 1fe220000094a9a8 R09: ff11000001b0d1d0
[   54.449367][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.449616][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.449848][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   54.450106][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.450320][   T12] CR2: 00007f4717b39fb0 CR3: 0000000016549006 CR4: 0000000000771ef0
[   54.450566][   T12] PKRU: 55555554
[   54.450705][   T12] Call Trace:
[   54.450849][   T12]  <TASK>
[   54.450958][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.451169][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.451380][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.451572][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.451745][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.451916][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.452087][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.452269][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   54.452458][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.452639][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.452811][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.452982][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.453153][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.453345][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.453540][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.453713][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.453911][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.454085][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.454297][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.454487][   T12]  kthread (kernel/kthread.c:436)
[   54.454662][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.454861][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.455034][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.455219][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.455435][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.455615][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.455785][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.457419][   T12] ---[ end trace 0000000000000000 ]---
| [   54.462219][  T950] ------------[ cut here ]------------
| [   54.462362][  T950] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/950
| [   54.462870][  T950] Tainted: [W]=WARN
[   54.462970][  T950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.463135][  T950] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.463308][  T950] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.463792][  T950] RSP: 0018:ffa0000002087020 EFLAGS: 00010286
[   54.463957][  T950] RAX: 00000000ffffffa6 RBX: ff11000010bdac80 RCX: 1ff4000000410dca
[   54.464153][  T950] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010bdad38
[   54.464352][  T950] RBP: ff1100000c999000 R08: 1fe220000217b5a8 R09: ff11000020a38b58
[   54.464650][  T950] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   54.464847][  T950] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c999ce1
[   54.465043][  T950] FS:  00007f56af1ba840(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   54.465277][  T950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.465526][  T950] CR2: 000000003dcf3988 CR3: 0000000004d8f005 CR4: 0000000000771ef0
[   54.465725][  T950] PKRU: 55555554
[   54.465823][  T950] Call Trace:
[   54.465921][  T950]  <TASK>
[   54.465988][  T950]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.466121][  T950]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.466225][  T950]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.466355][  T950]  __dev_notify_flags (net/core/dev.c:9787)
[   54.466555][  T950]  ? netif_change_name (net/core/dev.c:1495)
[   54.466686][  T950]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   54.466816][  T950]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   54.466946][  T950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.467077][  T950]  ? 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))
[   54.467215][  T950]  netif_change_flags (net/core/dev.c:9820)
[   54.467346][  T950]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   54.467580][  T950]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   54.467712][  T950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.467875][  T950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.468008][  T950]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.468139][  T950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.468272][  T950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.468484][  T950]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.468616][  T950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.468748][  T950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.468878][  T950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.469010][  T950]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.469143][  T950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.469276][  T950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.469487][  T950]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.469619][  T950]  ? __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)
[   54.469748][  T950]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   54.469879][  T950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.470013][  T950]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   54.470147][  T950]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   54.470288][  T950]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.470512][  T950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.470642][  T950]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.470781][  T950]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.470916][  T950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.471050][  T950]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.471188][  T950]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.471324][  T950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.471552][  T950]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.471685][  T950]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.471818][  T950]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.471948][  T950]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.472079][  T950]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.472214][  T950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.472343][  T950]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.472553][  T950]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.472689][  T950]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.472818][  T950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.472951][  T950]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.473079][  T950]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.473211][  T950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.473357][  T950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.473570][  T950]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.473702][  T950]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.473834][  T950]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.473965][  T950]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.474098][  T950]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.474234][  T950]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.474363][  T950]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.474625][  T950]  ? move_addr_to_kernel (net/socket.c:258)
[   54.474757][  T950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.474888][  T950]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.475019][  T950]  ___sys_sendmsg (net/socket.c:2752)
[   54.475149][  T950]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.475318][  T950]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.475539][  T950]  __sys_sendmsg (net/socket.c:2784)
[   54.475671][  T950]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.475802][  T950]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.475967][  T950]  ? 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)
[   54.476099][  T950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.476235][  T950]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.476365][  T950]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.476575][  T950]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.476706][  T950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.476869][  T950] RIP: 0033:0x7f56af3f408e
[   54.477006][  T950] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.477552][  T950] RSP: 002b:00007ffcca1c0db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.477746][  T950] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f56af3f408e
[   54.477939][  T950] RDX: 0000000000000000 RSI: 00007ffcca1c0e60 RDI: 0000000000000005
[   54.478132][  T950] RBP: 00007ffcca1c0dc0 R08: 0000000000000000 R09: 0000000000000000
[   54.478331][  T950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce65
[   54.478629][  T950] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcca1c1530
| [   54.479957][  T950] ---[ end trace 0000000000000000 ]---
| [   54.529995][  T951] ------------[ cut here ]------------
| [   54.530176][  T951] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/951
| [   54.530779][  T951] Tainted: [W]=WARN
[   54.530875][  T951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.531035][  T951] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.531204][  T951] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.531741][  T951] RSP: 0018:ffa0000002097188 EFLAGS: 00010286
[   54.531904][  T951] RAX: 00000000ffffffa6 RBX: ff1100002003dc40 RCX: 1ff4000000412df7
[   54.532099][  T951] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100002003dcf8
[   54.532296][  T951] RBP: ff1100000c999000 R08: 1fe2200004007ba0 R09: ff11000020a3ae58
[   54.532551][  T951] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.532739][  T951] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.532929][  T951] FS:  00007f1d92e34ec0(0000) GS:ff1100007d830000(0000) knlGS:0000000000000000
[   54.533150][  T951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.533319][  T951] CR2: 00007f1d93195004 CR3: 000000000b603002 CR4: 0000000000771ef0
[   54.533567][  T951] PKRU: 55555554
[   54.533664][  T951] Call Trace:
[   54.533759][  T951]  <TASK>
[   54.533875][  T951]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.534039][  T951]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.534203][  T951]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.534330][  T951]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.534518][  T951]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.534681][  T951]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   54.534819][  T951]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.534948][  T951]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.535078][  T951]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.535209][  T951]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.535348][  T951]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.535532][  T951]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.535660][  T951]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.535786][  T951]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.535915][  T951]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.536043][  T951]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.536175][  T951]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.536303][  T951]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.536492][  T951]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   54.536620][  T951]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.536746][  T951]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.536872][  T951]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.537017][  T951]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.537170][  T951]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.537319][  T951]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.537499][  T951]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.537627][  T951]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   54.537753][  T951]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.537883][  T951]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.538011][  T951]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.538141][  T951]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.538272][  T951]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.538453][  T951]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.538587][  T951]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.538715][  T951]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.538843][  T951]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.538971][  T951]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.539098][  T951]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.539375][  T951]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.539557][  T951]  ? move_addr_to_kernel (net/socket.c:258)
[   54.539685][  T951]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.539814][  T951]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.539973][  T951]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.540103][  T951]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.540266][  T951]  ___sys_sendmsg (net/socket.c:2752)
[   54.540398][  T951]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.540534][  T951]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.540667][  T951]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   54.540794][  T951]  ? do_getsockname (net/socket.c:2192)
[   54.540924][  T951]  __sys_sendmsg (net/socket.c:2784)
[   54.541051][  T951]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.541186][  T951]  ? __sys_getsockname (net/socket.c:2210)
[   54.541315][  T951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.541449][  T951]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.541581][  T951]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.541709][  T951]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.541836][  T951]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.541994][  T951] RIP: 0033:0x7f1d92ee908e
[   54.542129][  T951] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.542597][  T951] RSP: 002b:00007ffd24ed8980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.542791][  T951] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d92ee908e
[   54.542983][  T951] RDX: 0000000000000000 RSI: 00007ffd24ed8a00 RDI: 0000000000000005
[   54.543178][  T951] RBP: 00007ffd24ed8990 R08: 0000000000000000 R09: 0000000000000000
[   54.543370][  T951] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd24edd108
[   54.543574][  T951] R13: 0000000000000003 R14: 00007f1d931d5000 R15: 000000000040bda8
| [   54.544887][  T951] ---[ end trace 0000000000000000 ]---
| [   54.581751][   T12] ------------[ cut here ]------------
| [   54.581952][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.582614][   T12] Tainted: [W]=WARN
[   54.582758][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.582962][   T12] Workqueue: netns cleanup_net
[   54.583144][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.583365][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.583872][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.584076][   T12] RAX: 00000000ffffffa6 RBX: ff110000108c3700 RCX: 1ff4000000018eed
[   54.584351][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000108c37b8
[   54.584641][   T12] RBP: ff1100000cf51000 R08: 1fe22000021186f8 R09: ff11000001b0d1d0
[   54.584902][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.585151][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.585405][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   54.585676][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.585878][   T12] CR2: 00007f4717b39fb0 CR3: 0000000016549006 CR4: 0000000000771ef0
[   54.586110][   T12] PKRU: 55555554
[   54.586260][   T12] Call Trace:
[   54.586413][   T12]  <TASK>
[   54.586536][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.586781][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.586990][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.587164][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.587348][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.587567][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.587785][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.587961][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.588134][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   54.588311][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.588506][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.588680][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.588854][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.589027][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.589205][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.589378][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.589571][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.589770][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.589945][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.590153][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.590335][   T12]  kthread (kernel/kthread.c:436)
[   54.590496][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.590708][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.590879][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.591050][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.591270][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.591460][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.591643][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.593225][   T12] ---[ end trace 0000000000000000 ]---
| [   54.605245][   T12] ------------[ cut here ]------------
| [   54.605463][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.606191][   T12] Tainted: [W]=WARN
[   54.606338][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.606569][   T12] Workqueue: netns cleanup_net
[   54.606752][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.606971][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.607527][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.607735][   T12] RAX: 00000000ffffffa6 RBX: ff11000004a54740 RCX: 1ff4000000018ed5
[   54.607974][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a547f8
[   54.608235][   T12] RBP: ff1100000b7ac000 R08: 1fe220000094a900 R09: ff11000001b0d1d0
[   54.608497][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.608759][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.609027][   T12] FS:  0000000000000000(0000) GS:ff1100007d7b0000(0000) knlGS:0000000000000000
[   54.609354][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.609605][   T12] CR2: 00007f4717b39fb0 CR3: 0000000016549006 CR4: 0000000000771ef0
[   54.609859][   T12] PKRU: 55555554
[   54.610001][   T12] Call Trace:
[   54.610150][   T12]  <TASK>
[   54.610269][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.610539][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.610821][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.611004][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.611192][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.611372][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.611570][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.611747][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   54.611922][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.612098][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.612286][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.612474][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.612670][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.612844][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.613021][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.613206][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.613381][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.613585][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.613763][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.613944][   T12]  kthread (kernel/kthread.c:436)
[   54.614089][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.614344][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.614561][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.614766][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.614985][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.615184][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:rtnl_dellink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init