======================================
| xx__-> [   15.299922][  T185] ------------[ cut here ]------------
| [   15.300267][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [   15.300828][  T185] Modules linked in: veth
| [   15.301634][  T185] Tainted: [W]=WARN
[   15.301875][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.302208][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.302550][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   15.303494][  T185] RSP: 0018:ffa00000005b6e30 EFLAGS: 00010286
[   15.303845][  T185] RAX: 00000000ffffffa6 RBX: ff11000009028ac0 RCX: 1ff40000000b6d8c
[   15.304262][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009028b78
[   15.304643][  T185] RBP: ff1100000a0d1000 R08: 1fe2200001205170 R09: ff1100000cd0ae80
[   15.305044][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.305430][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a895200
[   15.305826][  T185] FS:  00007f85d70b2840(0000) GS:ff1100008dfb0000(0000) knlGS:0000000000000000
[   15.306289][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.306615][  T185] CR2: 000000000042ebe0 CR3: 00000000093c7004 CR4: 0000000000771ef0
[   15.307019][  T185] PKRU: 55555554
[   15.307207][  T185] Call Trace:
[   15.307394][  T185]  <TASK>
[   15.307528][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   15.307859][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.308129][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.308320][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.308574][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.308842][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   15.309109][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.309355][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   15.309612][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   15.309884][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   15.310220][  T185]  ? 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)
[   15.310542][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.310809][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.311078][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.311340][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   15.311591][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   15.311889][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.312117][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.312367][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.312670][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.312928][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.313204][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.313441][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.313705][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.313951][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.314197][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.314457][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.314724][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.314999][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.315271][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.315536][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.315818][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.316095][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.316360][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.316624][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.316895][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.317161][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.317411][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.317683][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.317935][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.318200][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.318456][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.318723][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.319007][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.319253][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.319499][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.319772][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.320041][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.320286][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.320541][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.320799][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.321062][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.321305][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.321559][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.321829][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.322093][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.322353][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.322689][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   15.322953][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   15.323215][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.323467][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.323762][  T185]  __sys_sendmsg (net/socket.c:2784)
[   15.324027][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.324285][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   15.324535][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.324808][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   15.325073][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.325323][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.325566][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.325833][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.326098][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.326358][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.326675][  T185] RIP: 0033:0x7f85d72ec08e
[   15.326943][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.327854][  T185] RSP: 002b:00007ffebc871e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.328243][  T185] RAX: ffffffffffffffda RBX: 00007ffebc8725f8 RCX: 00007f85d72ec08e
[   15.328641][  T185] RDX: 0000000000000000 RSI: 00007ffebc871f10 RDI: 0000000000000005
[   15.329063][  T185] RBP: 00007ffebc871e70 R08: 0000000000000000 R09: 0000000000000000
[   15.329448][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce09
[   15.329833][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebc8725d0
| [   15.362221][  T185] ------------[ cut here ]------------
| [   15.362491][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [   15.363081][  T185] Modules linked in: veth
| [   15.363784][  T185] Tainted: [W]=WARN
[   15.363975][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.364291][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.364631][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   15.365540][  T185] RSP: 0018:ffa00000005b71b0 EFLAGS: 00010286
[   15.365866][  T185] RAX: 00000000ffffffa6 RBX: ff11000008d66ac0 RCX: 1ff40000000b6dfc
[   15.366252][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008d66b78
[   15.366624][  T185] RBP: ff11000005c3c000 R08: 1fe22000011acd70 R09: ff1100000cd0ae80
[   15.367013][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.367386][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   15.367776][  T185] FS:  00007f85d70b2840(0000) GS:ff1100008dfb0000(0000) knlGS:0000000000000000
[   15.368222][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.368531][  T185] CR2: 000000000042ebe0 CR3: 00000000093c7004 CR4: 0000000000771ef0
[   15.368927][  T185] PKRU: 55555554
[   15.369122][  T185] Call Trace:
[   15.369314][  T185]  <TASK>
[   15.369448][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.369705][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.369897][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   15.370156][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   15.370410][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.370655][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.370912][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.371175][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.371421][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.371680][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.371920][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.372189][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.372436][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.372691][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.372939][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.373186][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.373425][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.373683][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.373943][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.374202][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.374438][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.374705][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.374969][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.375208][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.375448][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.375699][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.375949][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.376207][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.376454][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.376728][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.376984][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.377238][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.377485][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.377753][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.378012][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.378253][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.378497][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.378750][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.379011][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.379248][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.379554][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   15.379822][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   15.380075][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.380319][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.380609][  T185]  __sys_sendmsg (net/socket.c:2784)
[   15.380866][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.381124][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   15.381367][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.381625][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   15.381881][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.382133][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.382383][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.382628][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.382884][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.383137][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.383435][  T185] RIP: 0033:0x7f85d72ec08e
[   15.383693][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.384586][  T185] RSP: 002b:00007ffebc871e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.384974][  T185] RAX: ffffffffffffffda RBX: 00007ffebc8725f8 RCX: 00007f85d72ec08e
[   15.385345][  T185] RDX: 0000000000000000 RSI: 00007ffebc871f10 RDI: 0000000000000005
[   15.385724][  T185] RBP: 00007ffebc871e70 R08: 0000000000000000 R09: 0000000000000000
[   15.386092][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce09
[   15.386444][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebc8725d0
| [   15.627146][  T193] ------------[ cut here ]------------
| [   15.627440][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [   15.627897][  T193] Modules linked in: veth
| [   15.628595][  T193] Tainted: [W]=WARN
[   15.629766][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.630112][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.630457][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   15.631388][  T193] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[   15.631725][  T193] RAX: 00000000ffffffa6 RBX: ff110000026e8580 RCX: 1ff4000000118d8c
[   15.632117][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026e8638
[   15.632498][  T193] RBP: ff1100000c389000 R08: 1fe22000004dd0c8 R09: ff1100000c360b80
[   15.632891][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.633289][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bcc6e00
[   15.633681][  T193] FS:  00007fdac795d840(0000) GS:ff1100008dfb0000(0000) knlGS:0000000000000000
[   15.634140][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.634479][  T193] CR2: 00007f751f893388 CR3: 000000000bda5004 CR4: 0000000000771ef0
[   15.634891][  T193] PKRU: 55555554
[   15.635099][  T193] Call Trace:
[   15.635289][  T193]  <TASK>
[   15.635422][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.635700][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.635891][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   15.636211][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   15.636456][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   15.636727][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.636941][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.637203][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.637462][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.637724][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.637972][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.638228][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.638480][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.638749][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.639017][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[   15.639279][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   15.639605][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.639883][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.640158][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.640446][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.640724][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.640987][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.641248][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.641501][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.641764][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.642023][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.642274][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.642516][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.642793][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.643067][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.643326][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.643567][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.643822][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.644065][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.644310][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.644563][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.644822][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.645071][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.645311][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.645546][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.645806][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.646067][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.646313][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.646565][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.646831][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.647096][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.647353][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.647601][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.647871][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.648133][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.648392][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.648669][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.648937][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.649215][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.649481][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.649740][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.649997][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.650283][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   15.650540][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   15.650783][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.651045][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.651315][  T193]  ? 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))
[   15.651571][  T193]  __sys_sendmsg (net/socket.c:2784)
[   15.651847][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.652119][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.652362][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.652620][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.652878][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.653116][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.653363][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.653695][  T193] RIP: 0033:0x7fdac7b9708e
[   15.653956][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.654874][  T193] RSP: 002b:00007ffc97886ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.655265][  T193] RAX: ffffffffffffffda RBX: 00007ffc97887638 RCX: 00007fdac7b9708e
[   15.655681][  T193] RDX: 0000000000000000 RSI: 00007ffc97886f50 RDI: 0000000000000005
[   15.656075][  T193] RBP: 00007ffc97886eb0 R08: 0000000000000000 R09: 0000000000000000
[   15.656451][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce09
[   15.656840][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc97887610
| [   15.678499][  T193] ------------[ cut here ]------------
| [   15.679587][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [   15.680032][  T193] Modules linked in: veth
| [   15.680749][  T193] Tainted: [W]=WARN
[   15.680942][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.681260][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.681585][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   15.682484][  T193] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[   15.682808][  T193] RAX: 00000000ffffffa6 RBX: ff1100000a8103c0 RCX: 1ff4000000118dfc
[   15.683188][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a810478
[   15.683554][  T193] RBP: ff1100000c5ac000 R08: 1fe2200001502090 R09: ff1100000c360b80
[   15.683953][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.684326][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   15.684722][  T193] FS:  00007fdac795d840(0000) GS:ff1100008dfb0000(0000) knlGS:0000000000000000
[   15.685170][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.685483][  T193] CR2: 00007f751f893388 CR3: 000000000bda5004 CR4: 0000000000771ef0
[   15.685884][  T193] PKRU: 55555554
[   15.686076][  T193] Call Trace:
[   15.686259][  T193]  <TASK>
[   15.686388][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.686647][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.686846][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   15.687099][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   15.687348][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.687594][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.687859][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.688119][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.688367][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.688612][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.688869][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.689136][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.689395][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.689644][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.689899][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.690151][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.690395][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.690640][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.690903][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.691168][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.691412][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.691655][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.691901][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.692159][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.692411][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.692670][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.692920][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.693178][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.693425][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.693692][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.693940][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.694204][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.694452][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.694716][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.694972][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.695221][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.695463][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.695726][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.695980][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.696230][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.696543][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   15.696813][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   15.697077][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.697316][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.697581][  T193]  ? 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))
[   15.697843][  T193]  __sys_sendmsg (net/socket.c:2784)
[   15.698102][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.698353][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.698595][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.698847][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.699103][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.699361][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.699616][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.699922][  T193] RIP: 0033:0x7fdac7b9708e
[   15.700197][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.701093][  T193] RSP: 002b:00007ffc97886ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.701470][  T193] RAX: ffffffffffffffda RBX: 00007ffc97887638 RCX: 00007fdac7b9708e
[   15.701861][  T193] RDX: 0000000000000000 RSI: 00007ffc97886f50 RDI: 0000000000000005
[   15.702236][  T193] RBP: 00007ffc97886eb0 R08: 0000000000000000 R09: 0000000000000000
[   15.702603][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce09


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