======================================
| xx__-> [    9.216298][  T187] ------------[ cut here ]------------
| [    9.216521][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/187
| [    9.216776][  T187] Modules linked in: veth
| [    9.217284][  T187] Tainted: [W]=WARN
[    9.217394][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.217605][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.217830][  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
[    9.218356][  T187] RSP: 0018:ffa0000000826e30 EFLAGS: 00010286
[    9.218544][  T187] RAX: 00000000ffffffa6 RBX: ff1100000b3931c0 RCX: 1ff4000000104d8c
[    9.218758][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b393278
[    9.218984][  T187] RBP: ff11000007df4000 R08: 1fe2200001672650 R09: ff1100000c392e80
[    9.219249][  T187] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.219464][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a7c080
[    9.219684][  T187] FS:  00007f6721335840(0000) GS:ff110000abd30000(0000) knlGS:0000000000000000
[    9.219949][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.220135][  T187] CR2: 000000000042ebe0 CR3: 000000000c86f004 CR4: 0000000000771ef0
[    9.220353][  T187] PKRU: 55555554
[    9.220464][  T187] Call Trace:
[    9.220572][  T187]  <TASK>
[    9.220648][  T187]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.220835][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.220986][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.221095][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.221244][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.221390][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.221537][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.221681][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.221830][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.221991][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.222136][  T187]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.222283][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.222426][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.222572][  T187]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.222742][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[    9.222900][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.223080][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.223226][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.223369][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.223534][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.223678][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.223829][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.223979][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.224125][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.224273][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.224417][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.224567][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.224711][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.224864][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.225124][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.225368][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.225613][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.225859][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.226104][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.226248][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.226397][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.226547][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.226690][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.226940][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.227181][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.227325][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.227475][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.227647][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.227906][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.228051][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.228198][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.228346][  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))
[    9.228496][  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))
[    9.228640][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.228791][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.228945][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.229090][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.229237][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.229384][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.229536][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.229682][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.229945][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.230125][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.230279][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.230424][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.230572][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.230731][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.230887][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.231227][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.231371][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.231523][  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)
[    9.231766][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.232020][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.232169][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.232316][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.232564][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.232710][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.232922][  T187] RIP: 0033:0x7f672156f08e
[    9.233074][  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
[    9.233701][  T187] RSP: 002b:00007ffee930bdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.234123][  T187] RAX: ffffffffffffffda RBX: 00007ffee930c568 RCX: 00007f672156f08e
[    9.234340][  T187] RDX: 0000000000000000 RSI: 00007ffee930be80 RDI: 0000000000000005
[    9.234559][  T187] RBP: 00007ffee930bde0 R08: 0000000000000000 R09: 0000000000000000
[    9.234775][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e
[    9.235001][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee930c540
| [    9.245503][  T187] ------------[ cut here ]------------
| [    9.245657][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/187
| [    9.245966][  T187] Modules linked in: veth
| [    9.246357][  T187] Tainted: [W]=WARN
[    9.246466][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.246640][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.246885][  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
[    9.247384][  T187] RSP: 0018:ffa00000008271b0 EFLAGS: 00010286
[    9.247562][  T187] RAX: 00000000ffffffa6 RBX: ff1100000af26900 RCX: 1ff4000000104dfc
[    9.247769][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af269b8
[    9.248017][  T187] RBP: ff11000005319000 R08: 1fe22000015e4d38 R09: ff1100000c392e80
[    9.248226][  T187] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.248434][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.248647][  T187] FS:  00007f6721335840(0000) GS:ff110000abd30000(0000) knlGS:0000000000000000
[    9.248901][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.249075][  T187] CR2: 000000000042ebe0 CR3: 000000000c86f004 CR4: 0000000000771ef0
[    9.249417][  T187] PKRU: 55555554
[    9.249525][  T187] Call Trace:
[    9.249630][  T187]  <TASK>
[    9.249702][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.249848][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.249960][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.250100][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.250240][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.250381][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.250529][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.250668][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.250814][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.250957][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.251119][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.251270][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.251412][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.251560][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.251697][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.251843][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.251992][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.252140][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.252293][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.252432][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.252578][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.252716][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.252859][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.253003][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.253144][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.253282][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.253424][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.253564][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.253703][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.253850][  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))
[    9.253996][  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))
[    9.254138][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.254280][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.254427][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.254570][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.254711][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.254859][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.255004][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.255145][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.255284][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.255460][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.255604][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.255742][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.255892][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.256044][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.256183][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.256336][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.256478][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.256620][  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)
[    9.256758][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.256911][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.257052][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.257192][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.257332][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.257479][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.257653][  T187] RIP: 0033:0x7f672156f08e
[    9.257802][  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
[    9.258305][  T187] RSP: 002b:00007ffee930bdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.258518][  T187] RAX: ffffffffffffffda RBX: 00007ffee930c568 RCX: 00007f672156f08e
[    9.258726][  T187] RDX: 0000000000000000 RSI: 00007ffee930be80 RDI: 0000000000000005
[    9.258944][  T187] RBP: 00007ffee930bde0 R08: 0000000000000000 R09: 0000000000000000
[    9.259151][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e
[    9.259359][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee930c540
| [    9.389639][  T194] ------------[ cut here ]------------
| [    9.389832][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.390098][  T194] Modules linked in: veth
| [    9.390512][  T194] Tainted: [W]=WARN
[    9.390619][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.391276][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.391467][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.391975][  T194] RSP: 0018:ffa0000000616e30 EFLAGS: 00010286
[    9.392156][  T194] RAX: 00000000ffffffa6 RBX: ff1100000e446200 RCX: 1ff40000000c2d8c
[    9.392366][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e4462b8
[    9.392580][  T194] RBP: ff11000001dd4000 R08: 1fe2200001c88c58 R09: ff1100000d072e80
[    9.392794][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.393009][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b853880
[    9.393222][  T194] FS:  00007fa0c1f2f840(0000) GS:ff110000abd30000(0000) knlGS:0000000000000000
[    9.393474][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.393650][  T194] CR2: 000000000042ebe0 CR3: 0000000008ed5005 CR4: 0000000000771ef0
[    9.393864][  T194] PKRU: 55555554
[    9.393973][  T194] Call Trace:
[    9.394078][  T194]  <TASK>
[    9.394154][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.394299][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.394409][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.394591][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.394734][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.394887][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.395031][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.395170][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.395311][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.395459][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.395603][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.395744][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.395891][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.396031][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.396173][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.396315][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.396497][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.396640][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.396779][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.396944][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.397085][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.397226][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.397364][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.397512][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.397658][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.397802][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.397951][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.398091][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.398236][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.398383][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.398529][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.398670][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.398817][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.398964][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.399103][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.399248][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.399391][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.399533][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.399675][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.399821][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.399967][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.400109][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.400247][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.400390][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.400532][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.400673][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.400822][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.400965][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.401106][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.401247][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.401387][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.401532][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.401673][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.401818][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.401968][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.402109][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.402250][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.402423][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.402570][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.402708][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.402853][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.403010][  T194]  ? 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))
[    9.403152][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.403293][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.403437][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.403584][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.403726][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.403873][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.404041][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.404183][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.404357][  T194] RIP: 0033:0x7fa0c216908e
[    9.404510][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.405015][  T194] RSP: 002b:00007fff11219f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.405228][  T194] RAX: ffffffffffffffda RBX: 00007fff1121a728 RCX: 00007fa0c216908e
[    9.405436][  T194] RDX: 0000000000000000 RSI: 00007fff1121a040 RDI: 0000000000000005
[    9.405650][  T194] RBP: 00007fff11219fa0 R08: 0000000000000000 R09: 0000000000000000
[    9.405863][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e
[    9.406077][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1121a700
| [    9.414153][  T194] ------------[ cut here ]------------
| [    9.414334][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.414578][  T194] Modules linked in: veth
| [    9.414994][  T194] Tainted: [W]=WARN
[    9.415099][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.415279][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.415463][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.415970][  T194] RSP: 0018:ffa00000006171b0 EFLAGS: 00010286
[    9.416146][  T194] RAX: 00000000ffffffa6 RBX: ff1100000d60d1c0 RCX: 1ff40000000c2dfc
[    9.416361][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d60d278
[    9.416574][  T194] RBP: ff1100000d139000 R08: 1fe2200001ac1a50 R09: ff1100000d072e80
[    9.416787][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.417063][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.417278][  T194] FS:  00007fa0c1f2f840(0000) GS:ff110000abd30000(0000) knlGS:0000000000000000
[    9.417526][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.417698][  T194] CR2: 000000000042ebe0 CR3: 0000000008ed5005 CR4: 0000000000771ef0
[    9.417977][  T194] PKRU: 55555554
[    9.418144][  T194] Call Trace:
[    9.418249][  T194]  <TASK>
[    9.418322][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.418467][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.418572][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.418709][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.418916][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.419053][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.419202][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.419343][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.419488][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.419625][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.419762][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.419969][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.420112][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.420909][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.421047][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.421188][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.421326][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.421466][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.421607][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.421745][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.421946][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.422084][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.422221][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.422358][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.422501][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.422639][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.422776][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.422977][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.423115][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.423264][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.423400][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.423545][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.423683][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.423979][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.424120][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.424263][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.424402][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.424550][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.424688][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.424890][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.425062][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.425204][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.425341][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.425502][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.425655][  T194]  ? 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))
[    9.425881][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.426021][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.426163][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.426302][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.426439][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.426580][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.426717][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.426917][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.427087][  T194] RIP: 0033:0x7fa0c216908e
[    9.427231][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.427724][  T194] RSP: 002b:00007fff11219f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.427992][  T194] RAX: ffffffffffffffda RBX: 00007fff1121a728 RCX: 00007fa0c216908e
[    9.428198][  T194] RDX: 0000000000000000 RSI: 00007fff1121a040 RDI: 0000000000000005
[    9.428402][  T194] RBP: 00007fff11219fa0 R08: 0000000000000000 R09: 0000000000000000
[    9.428706][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e
[    9.428976][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1121a700
| [    9.650598][  T200] ------------[ cut here ]------------
| [    9.650825][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.651088][  T200] Modules linked in: veth
| [    9.651581][  T200] Tainted: [W]=WARN
[    9.651692][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.651895][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.652087][  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 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
[    9.652611][  T200] RSP: 0018:ffa0000000836e30 EFLAGS: 00010286
[    9.652799][  T200] RAX: 00000000ffffffa6 RBX: ff1100000b3f4200 RCX: 1ff4000000106d8c
[    9.653023][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3f42b8
[    9.653239][  T200] RBP: ff11000005999000 R08: 1fe220000167e858 R09: ff1100000c875180
[    9.653462][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.653704][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b840400
[    9.653937][  T200] FS:  00007f8e0d6df840(0000) GS:ff110000abd30000(0000) knlGS:0000000000000000
[    9.654201][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.654385][  T200] CR2: 0000555b8a0b9648 CR3: 0000000005009001 CR4: 0000000000771ef0
[    9.654606][  T200] PKRU: 55555554
[    9.654716][  T200] Call Trace:
[    9.654833][  T200]  <TASK>
[    9.654925][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.655076][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.655227][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.655339][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.655525][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.655672][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.655823][  T200]  ? 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)
[    9.655975][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.656121][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.656266][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.656412][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.656565][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.656711][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.656861][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.657042][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.657189][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.657336][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.657488][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.657636][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.657824][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.657977][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.658142][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.658304][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.658457][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.658606][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.658750][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.658910][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.659056][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.659205][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.659351][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.659500][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.659650][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.659804][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.659956][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.660101][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.660246][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.660390][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.660555][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.660707][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.660861][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.661035][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.661180][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.661324][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.661495][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.661647][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.661799][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.661954][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.662099][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.662247][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.662397][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.662550][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.662699][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.662851][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.663046][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.663196][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.663343][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.663497][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.663648][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.663800][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.663954][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.664135][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.664286][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.664431][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.664597][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.664759][  T200]  ? 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))
[    9.664921][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.665068][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.665218][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.665365][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.665518][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.665663][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.665815][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.665968][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.666152][  T200] RIP: 0033:0x7f8e0d91908e
[    9.666304][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.666834][  T200] RSP: 002b:00007ffdbaf60c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.667302][  T200] RAX: ffffffffffffffda RBX: 00007ffdbaf61398 RCX: 00007f8e0d91908e
[    9.667526][  T200] RDX: 0000000000000000 RSI: 00007ffdbaf60cb0 RDI: 0000000000000005
[    9.667746][  T200] RBP: 00007ffdbaf60c10 R08: 0000000000000000 R09: 0000000000000000
[    9.667973][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e
[    9.668192][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbaf61370
| [    9.675954][  T200] ------------[ cut here ]------------
| [    9.676131][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.676373][  T200] Modules linked in: veth
| [    9.676778][  T200] Tainted: [W]=WARN
[    9.676893][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.677067][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.677246][  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 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
[    9.677739][  T200] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[    9.677924][  T200] RAX: 00000000ffffffa6 RBX: ff1100000bb263c0 RCX: 1ff4000000106dfc
[    9.678131][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bb26478
[    9.678336][  T200] RBP: ff11000002999000 R08: 1fe2200001764c90 R09: ff1100000c875180
[    9.678566][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.678775][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.678996][  T200] FS:  00007f8e0d6df840(0000) GS:ff110000abd30000(0000) knlGS:0000000000000000
[    9.679252][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.679426][  T200] CR2: 0000555b8a0b9648 CR3: 0000000005009001 CR4: 0000000000771ef0
[    9.679635][  T200] PKRU: 55555554
[    9.679738][  T200] Call Trace:
[    9.679849][  T200]  <TASK>
[    9.679925][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.680067][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.680173][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.680313][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.680459][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.680599][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.680757][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.680912][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.681054][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.681193][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.681362][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.681513][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.681657][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.681800][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.681949][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.682089][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.682230][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.682370][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.682519][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.682661][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.682805][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.683242][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.683383][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.683527][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.683668][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.683811][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.683959][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.684100][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.684242][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.684390][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.684534][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.684675][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.684823][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.684966][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.685106][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.685250][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.685392][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.685544][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.685689][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.685835][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.686016][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.686160][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.686302][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.686442][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.686596][  T200]  ? 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))
[    9.686736][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.686884][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.687032][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.687176][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.687321][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.687462][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.687604][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.687742][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.687924][  T200] RIP: 0033:0x7f8e0d91908e
[    9.688069][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.688608][  T200] RSP: 002b:00007ffdbaf60c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.688825][  T200] RAX: ffffffffffffffda RBX: 00007ffdbaf61398 RCX: 00007f8e0d91908e
[    9.689040][  T200] RDX: 0000000000000000 RSI: 00007ffdbaf60cb0 RDI: 0000000000000005
[    9.689247][  T200] RBP: 00007ffdbaf60c10 R08: 0000000000000000 R09: 0000000000000000
[    9.689461][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e


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