======================================
| xx__-> [    9.110383][  T187] ------------[ cut here ]------------
| [    9.110701][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/187
| [    9.111026][  T187] Modules linked in: veth
| [    9.111568][  T187] Tainted: [W]=WARN
[    9.111737][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.112171][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.112466][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.113048][  T187] RSP: 0018:ffa00000007e6e30 EFLAGS: 00010286
[    9.113277][  T187] RAX: 00000000ffffffa6 RBX: ff11000008ebbc40 RCX: 1ff40000000fcd8c
[    9.113563][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ebbcf8
[    9.113846][  T187] RBP: ff11000008949000 R08: 1fe22000011d77a0 R09: ff1100000c700b80
[    9.114108][  T187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.114367][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9b7180
[    9.114642][  T187] FS:  00007fe00fb82840(0000) GS:ff1100008beb0000(0000) knlGS:0000000000000000
[    9.114961][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.115191][  T187] CR2: 000055c9f0ee8d20 CR3: 000000000d417003 CR4: 0000000000771ef0
[    9.115459][  T187] PKRU: 55555554
[    9.115616][  T187] Call Trace:
[    9.115798][  T187]  <TASK>
[    9.115922][  T187]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.116151][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.116346][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.116512][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.116712][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.116918][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.117111][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.117301][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.117499][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.117702][  T187]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.117944][  T187]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.118175][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.118364][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.118564][  T187]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.118774][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[    9.118995][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.119222][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.119423][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.119615][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.119851][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.120042][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.120236][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.120439][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.120636][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.120851][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.121046][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.121236][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.121435][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.121634][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.121853][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.122061][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.122252][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.122452][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.122645][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.122858][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.123053][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.123243][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.123446][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.123639][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.123849][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.124040][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.124233][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.124423][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.124617][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.124834][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.125030][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.125224][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.125419][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.125613][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.125830][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.126022][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.126214][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.126420][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.126612][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.126830][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.127022][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.127212][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.127442][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.127637][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.127846][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.128040][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.128242][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.128443][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.128632][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.128840][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.129035][  T187]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.129229][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.129424][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.129615][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.129830][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.130022][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.130214][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.130447][  T187] RIP: 0033:0x7fe00fdbc08e
[    9.130645][  T187] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.131216][  T187] RSP: 002b:00007ffc6d270b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.131486][  T187] RAX: ffffffffffffffda RBX: 00007ffc6d271318 RCX: 00007fe00fdbc08e
[    9.131755][  T187] RDX: 0000000000000000 RSI: 00007ffc6d270c30 RDI: 0000000000000005
[    9.132029][  T187] RBP: 00007ffc6d270b90 R08: 0000000000000000 R09: 0000000000000000
[    9.132287][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb38
[    9.132552][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6d2712f0
| [    9.141935][  T187] ------------[ cut here ]------------
| [    9.142658][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/187
| [    9.143030][  T187] Modules linked in: veth
| [    9.143625][  T187] Tainted: [W]=WARN
[    9.143858][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.144133][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.144426][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.145037][  T187] RSP: 0018:ffa00000007e71b0 EFLAGS: 00010286
[    9.145313][  T187] RAX: 00000000ffffffa6 RBX: ff11000002477c40 RCX: 1ff40000000fcdfc
[    9.145631][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002477cf8
[    9.145958][  T187] RBP: ff11000008951000 R08: 1fe220000048efa0 R09: ff1100000c700b80
[    9.146260][  T187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.146573][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.146907][  T187] FS:  00007fe00fb82840(0000) GS:ff1100008beb0000(0000) knlGS:0000000000000000
[    9.147247][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.147529][  T187] CR2: 000055c9f0ee8d20 CR3: 000000000d417003 CR4: 0000000000771ef0
[    9.147859][  T187] PKRU: 55555554
[    9.148064][  T187] Call Trace:
[    9.148269][  T187]  <TASK>
[    9.148449][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.148711][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.148931][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.149179][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.149440][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.149745][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.150049][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.150333][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.150571][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.150766][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.150966][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.151158][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.151348][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.151544][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.151741][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.151944][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.152129][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.152313][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.152512][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.152706][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.152905][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.153091][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.153275][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.153470][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.153658][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.153867][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.154053][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.154237][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.154431][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.154620][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.154829][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.155021][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.155209][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.155402][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.155590][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.155801][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.155987][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.156175][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.156363][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.156559][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.156812][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.157006][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.157191][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.157386][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.157585][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.157802][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.157995][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.158180][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.158368][  T187]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.158562][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.158762][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.158961][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.159146][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.159332][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.159528][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.159760][  T187] RIP: 0033:0x7fe00fdbc08e
[    9.159966][  T187] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.160502][  T187] RSP: 002b:00007ffc6d270b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.160766][  T187] RAX: ffffffffffffffda RBX: 00007ffc6d271318 RCX: 00007fe00fdbc08e
[    9.161045][  T187] RDX: 0000000000000000 RSI: 00007ffc6d270c30 RDI: 0000000000000005
[    9.161300][  T187] RBP: 00007ffc6d270b90 R08: 0000000000000000 R09: 0000000000000000
[    9.161577][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb38
[    9.161857][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6d2712f0
| [    9.341008][  T198] ------------[ cut here ]------------
| [    9.341197][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/198
| [    9.341450][  T198] Modules linked in: veth
| [    9.342102][  T198] Tainted: [W]=WARN
[    9.342213][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.342393][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.342577][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.343082][  T198] RSP: 0018:ffa00000007b6e30 EFLAGS: 00010286
[    9.343261][  T198] RAX: 00000000ffffffa6 RBX: ff1100000c8b3c40 RCX: 1ff40000000f6d8c
[    9.343480][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8b3cf8
[    9.343692][  T198] RBP: ff1100000ca89000 R08: 1fe22000019167a0 R09: ff1100000bcaae80
[    9.343903][  T198] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.344113][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001f40400
[    9.344324][  T198] FS:  00007f4dc675f840(0000) GS:ff1100008be30000(0000) knlGS:0000000000000000
[    9.344574][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.344752][  T198] CR2: 000000000042ebe0 CR3: 000000000cd47004 CR4: 0000000000771ef0
[    9.344963][  T198] PKRU: 55555554
[    9.345066][  T198] Call Trace:
[    9.345170][  T198]  <TASK>
[    9.345244][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.345390][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.345495][  T198]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.345676][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[    9.345820][  T198]  ? netif_change_name (net/core/dev.c:1495)
[    9.345957][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.346095][  T198]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.346232][  T198]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.346372][  T198]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.346516][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.346657][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.346809][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.346946][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.347087][  T198]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.347229][  T198] veth_newlink (drivers/net/veth.c:1871) veth
[    9.347368][  T198]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.347543][  T198]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.347686][  T198]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.347830][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.347984][  T198]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.348121][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.348261][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.348402][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.348541][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.348681][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.348826][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.348963][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.349101][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.349245][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.349390][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.349531][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.349674][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.349820][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.349957][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.350094][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.350236][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.350381][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.350520][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.350660][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.350806][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.350943][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.351085][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.351222][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.351362][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.351527][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.351669][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.351815][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.351952][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.352094][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.352235][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.352378][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.352520][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.352664][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.352810][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.352952][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.353091][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.353231][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.353406][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.353549][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.353691][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.353832][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.353980][  T198]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.354121][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.354260][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.354407][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.354545][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.354689][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.354831][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.354968][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.355106][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.355277][  T198] RIP: 0033:0x7f4dc699908e
[    9.355425][  T198] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.355925][  T198] RSP: 002b:00007ffc6c5df670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.356132][  T198] RAX: ffffffffffffffda RBX: 00007ffc6c5dfe08 RCX: 00007f4dc699908e
[    9.356335][  T198] RDX: 0000000000000000 RSI: 00007ffc6c5df720 RDI: 0000000000000005
[    9.356546][  T198] RBP: 00007ffc6c5df680 R08: 0000000000000000 R09: 0000000000000000
[    9.356756][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb38
[    9.356964][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6c5dfde0
| [    9.366335][  T198] ------------[ cut here ]------------
| [    9.366495][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/198
| [    9.366742][  T198] Modules linked in: veth
| [    9.367735][  T198] Tainted: [W]=WARN
[    9.367903][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.368136][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.368315][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.368866][  T198] RSP: 0018:ffa00000007b71b0 EFLAGS: 00010286
[    9.369037][  T198] RAX: 00000000ffffffa6 RBX: ff1100000d538ac0 RCX: 1ff40000000f6dfc
[    9.369241][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d538b78
[    9.369448][  T198] RBP: ff1100000ce54000 R08: 1fe2200001aa7170 R09: ff1100000bcaae80
[    9.369649][  T198] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.369915][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.370119][  T198] FS:  00007f4dc675f840(0000) GS:ff1100008be30000(0000) knlGS:0000000000000000
[    9.370357][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.370536][  T198] CR2: 000000000042ebe0 CR3: 000000000cd47004 CR4: 0000000000771ef0
[    9.370744][  T198] PKRU: 55555554
[    9.370904][  T198] Call Trace:
[    9.371005][  T198]  <TASK>
[    9.371075][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.371215][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.371318][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[    9.371460][  T198]  ? netif_change_name (net/core/dev.c:1495)
[    9.371598][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.371741][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.371937][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.372076][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.372213][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.372349][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.372488][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.372630][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.372775][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.372970][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.373110][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.373248][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.373389][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.373528][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.373673][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.373867][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.374003][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.374141][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.374279][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.374419][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.374559][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.374699][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.374895][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.375030][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.375167][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.375308][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.375448][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.375588][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.375729][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.375922][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.376057][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.376194][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.376329][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.376477][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.376613][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.376753][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.376977][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.377117][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.377250][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.377387][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.377533][  T198]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.377676][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.377870][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.378010][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.378145][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.378280][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.378419][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.378556][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.378697][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.378919][  T198] RIP: 0033:0x7f4dc699908e
[    9.379060][  T198] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.379541][  T198] RSP: 002b:00007ffc6c5df670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.379750][  T198] RAX: ffffffffffffffda RBX: 00007ffc6c5dfe08 RCX: 00007f4dc699908e
[    9.380009][  T198] RDX: 0000000000000000 RSI: 00007ffc6c5df720 RDI: 0000000000000005
[    9.380211][  T198] RBP: 00007ffc6c5df680 R08: 0000000000000000 R09: 0000000000000000
[    9.380422][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb38
[    9.380628][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6c5dfde0
| [    9.573587][  T211] ------------[ cut here ]------------
| [    9.573803][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/211
| [    9.574241][  T211] Modules linked in: veth
| [    9.574643][  T211] Tainted: [W]=WARN
[    9.574755][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.574966][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.575171][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.575682][  T211] RSP: 0018:ffa00000005b6e30 EFLAGS: 00010286
[    9.575864][  T211] RAX: 00000000ffffffa6 RBX: ff110000024763c0 RCX: 1ff40000000b6d8c
[    9.576231][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002476478
[    9.576444][  T211] RBP: ff1100000a1cc000 R08: 1fe220000048ec90 R09: ff1100000d485180
[    9.576669][  T211] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.576889][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a02f880
[    9.577099][  T211] FS:  00007f963473d840(0000) GS:ff1100008be30000(0000) knlGS:0000000000000000
[    9.577346][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.577531][  T211] CR2: 000000000042ebe0 CR3: 000000000c92f006 CR4: 0000000000771ef0
[    9.577745][  T211] PKRU: 55555554
[    9.577855][  T211] Call Trace:
[    9.577960][  T211]  <TASK>
[    9.578034][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578177][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.578318][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.578430][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.578570][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.578712][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.578859][  T211]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.578997][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.579135][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.579273][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.579415][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.579556][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.579704][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.579908][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.580054][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.580192][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.580333][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.580478][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[    9.580621][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.580858][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.581065][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.581206][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.581361][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.581506][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.581670][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.581866][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.582025][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.582164][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.582307][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.582450][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.582589][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.582737][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.582884][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.583024][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.583162][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.583299][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.583444][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.583580][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.583727][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.583869][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.584007][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.584143][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.584281][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.584425][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.584567][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.584709][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.584853][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.584991][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.585132][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.585276][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.585419][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.585558][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.585704][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.585848][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.585989][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.586130][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.586269][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.586417][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.586556][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.586699][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.586876][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.587019][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.587156][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.587293][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.587448][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.587587][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.587730][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.587879][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.588019][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.588156][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.588292][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.588480][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.588621][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.588799][  T211] RIP: 0033:0x7f963497708e
[    9.588948][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.589451][  T211] RSP: 002b:00007ffc1db0b3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.589658][  T211] RAX: ffffffffffffffda RBX: 00007ffc1db0bb58 RCX: 00007f963497708e
[    9.589876][  T211] RDX: 0000000000000000 RSI: 00007ffc1db0b470 RDI: 0000000000000005
[    9.590083][  T211] RBP: 00007ffc1db0b3d0 R08: 0000000000000000 R09: 0000000000000000
[    9.590290][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb38
[    9.590502][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1db0bb30
| [    9.600032][  T211] ------------[ cut here ]------------
| [    9.600208][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/211
| [    9.600447][  T211] Modules linked in: veth
| [    9.600903][  T211] Tainted: [W]=WARN
[    9.601007][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.601195][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.601369][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.601865][  T211] RSP: 0018:ffa00000005b71b0 EFLAGS: 00010286
[    9.602051][  T211] RAX: 00000000ffffffa6 RBX: ff1100000d5af540 RCX: 1ff40000000b6dfc
[    9.602253][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d5af5f8
[    9.602456][  T211] RBP: ff110000024b4000 R08: 1fe2200001ab5ec0 R09: ff1100000d485180
[    9.602656][  T211] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.602871][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.603071][  T211] FS:  00007f963473d840(0000) GS:ff1100008be30000(0000) knlGS:0000000000000000
[    9.603306][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.603480][  T211] CR2: 000000000042ebe0 CR3: 000000000c92f006 CR4: 0000000000771ef0
[    9.603686][  T211] PKRU: 55555554
[    9.603791][  T211] Call Trace:
[    9.603891][  T211]  <TASK>
[    9.603961][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.604123][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.604225][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.604359][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.604498][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.604631][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.604775][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.604918][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.605054][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.605188][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.605321][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.605523][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.605664][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.605808][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.605944][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.606083][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.606218][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.606353][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.606496][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.606632][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.606772][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.606913][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.607050][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.607186][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.607324][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.607467][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.607604][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.607743][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.607885][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.608033][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.608169][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.608306][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.608451][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.608587][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.608731][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.608875][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.609015][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.609154][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.609308][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.609468][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.609654][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.609803][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.609961][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.610098][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.610244][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.610390][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.610527][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.610673][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.610815][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.610952][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.611089][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.611226][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.611363][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.611540][  T211] RIP: 0033:0x7f963497708e
[    9.611707][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.612199][  T211] RSP: 002b:00007ffc1db0b3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.612410][  T211] RAX: ffffffffffffffda RBX: 00007ffc1db0bb58 RCX: 00007f963497708e
[    9.612614][  T211] RDX: 0000000000000000 RSI: 00007ffc1db0b470 RDI: 0000000000000005
[    9.612829][  T211] RBP: 00007ffc1db0b3d0 R08: 0000000000000000 R09: 0000000000000000
[    9.613055][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb38


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink