======================================
| xx__-> [    9.135232][  T186] ------------[ cut here ]------------
| [    9.135510][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.135776][  T186] Modules linked in: veth
| [    9.136201][  T186] Tainted: [W]=WARN
[    9.136306][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.136494][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.136702][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.137221][  T186] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[    9.137461][  T186] RAX: 00000000ffffffa6 RBX: ff11000005912c80 RCX: 1ff4000000110d8c
[    9.137679][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005912d38
[    9.137890][  T186] RBP: ff11000005ed9000 R08: 1fe2200000b225a8 R09: ff1100000cd42e80
[    9.138099][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.138308][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000510dc80
[    9.138531][  T186] FS:  00007fe02cb73840(0000) GS:ff11000096930000(0000) knlGS:0000000000000000
[    9.138783][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.138971][  T186] CR2: 000000000042ebe0 CR3: 000000000ddc8002 CR4: 0000000000771ef0
[    9.139185][  T186] PKRU: 55555554
[    9.139292][  T186] Call Trace:
[    9.139405][  T186]  <TASK>
[    9.139486][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.139672][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.139813][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.139922][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.140074][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.140214][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.140360][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.140501][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.140647][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.140789][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.140929][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.141068][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.141208][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.141354][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.141500][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.141648][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.141822][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.141974][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.142113][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.142270][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.142417][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.142562][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.142709][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.142851][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.142993][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.143133][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.143273][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.143422][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.143570][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.143720][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.143866][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.144004][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.144143][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.144282][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.144433][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.144578][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.144726][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.144867][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.145297][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.145446][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.145585][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.145735][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.145873][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.146030][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.146171][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.146311][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.146466][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.146605][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.146750][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.146894][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.147045][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.147189][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.147335][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.147482][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.147629][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.147771][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.147912][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.148085][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.148229][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.148373][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.148518][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.148676][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.148818][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.148958][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.149096][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.149237][  T186]  ? 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)
[    9.149383][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.149529][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.149716][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.149856][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.149996][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.150137][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.150310][  T186] RIP: 0033:0x7fe02cdad08e
[    9.150467][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.150985][  T186] RSP: 002b:00007ffda5ffdb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.151213][  T186] RAX: ffffffffffffffda RBX: 00007ffda5ffe2a8 RCX: 00007fe02cdad08e
[    9.151433][  T186] RDX: 0000000000000000 RSI: 00007ffda5ffdbc0 RDI: 0000000000000005
[    9.151776][  T186] RBP: 00007ffda5ffdb20 R08: 0000000000000000 R09: 0000000000000000
[    9.151991][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caae
[    9.152202][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda5ffe280
| [    9.169234][  T186] ------------[ cut here ]------------
| [    9.169529][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.169777][  T186] Modules linked in: veth
| [    9.170155][  T186] Tainted: [W]=WARN
[    9.170258][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.170436][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.170620][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.171101][  T186] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[    9.171274][  T186] RAX: 00000000ffffffa6 RBX: ff110000026c5000 RCX: 1ff4000000110dfc
[    9.171491][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026c50b8
[    9.171698][  T186] RBP: ff11000007ec9000 R08: 1fe22000004d8a18 R09: ff1100000cd42e80
[    9.171904][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.172111][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.172317][  T186] FS:  00007fe02cb73840(0000) GS:ff11000096930000(0000) knlGS:0000000000000000
[    9.172565][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.172741][  T186] CR2: 000000000042ebe0 CR3: 000000000ddc8002 CR4: 0000000000771ef0
[    9.172949][  T186] PKRU: 55555554
[    9.173051][  T186] Call Trace:
[    9.173154][  T186]  <TASK>
[    9.173223][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.173365][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.173475][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.173617][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.173754][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.173891][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.174029][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.174168][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.174305][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.174469][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.174612][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.174754][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.174894][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.175030][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.175175][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.175315][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.175461][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.175597][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.175742][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.175880][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.176014][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.176149][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.176284][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.176431][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.176571][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.176711][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.176851][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.176987][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.177125][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.177265][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.177403][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.177574][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.177717][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.177855][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.177993][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.178129][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.178269][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.178413][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.178557][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.178697][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.178890][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.179030][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.179166][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.179304][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.179468][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.179606][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.179748][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.179885][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.180023][  T186]  ? 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)
[    9.180159][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.180298][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.180442][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.180579][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.180721][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.180861][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.181029][  T186] RIP: 0033:0x7fe02cdad08e
[    9.181171][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.181684][  T186] RSP: 002b:00007ffda5ffdb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.181892][  T186] RAX: ffffffffffffffda RBX: 00007ffda5ffe2a8 RCX: 00007fe02cdad08e
[    9.182093][  T186] RDX: 0000000000000000 RSI: 00007ffda5ffdbc0 RDI: 0000000000000005
[    9.182299][  T186] RBP: 00007ffda5ffdb20 R08: 0000000000000000 R09: 0000000000000000
[    9.182520][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caae
[    9.182729][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda5ffe280
| [    9.316580][  T194] ------------[ cut here ]------------
| [    9.316771][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.317024][  T194] Modules linked in: veth
| [    9.317442][  T194] Tainted: [W]=WARN
[    9.317552][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.317734][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.317921][  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
[    9.318434][  T194] RSP: 0018:ffa0000000506e30 EFLAGS: 00010286
[    9.318623][  T194] RAX: 00000000ffffffa6 RBX: ff11000004eb0200 RCX: 1ff40000000a0d8c
[    9.318841][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004eb02b8
[    9.319067][  T194] RBP: ff11000009d8c000 R08: 1fe22000009d6058 R09: ff1100000c3ed180
[    9.319282][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.319507][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000adc7c00
[    9.319754][  T194] FS:  00007f713ffc9840(0000) GS:ff110000967b0000(0000) knlGS:0000000000000000
[    9.320011][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.320208][  T194] CR2: 00007f7140330f6d CR3: 000000000c6a1001 CR4: 0000000000771ef0
[    9.320433][  T194] PKRU: 55555554
[    9.320544][  T194] Call Trace:
[    9.320656][  T194]  <TASK>
[    9.320731][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.320879][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.321000][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.321179][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.321337][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.321491][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.321641][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.321784][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.321925][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.322071][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.322214][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.322361][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.322507][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.322656][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.322804][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.322949][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.323126][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.323270][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.323419][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.323580][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.323729][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.323873][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.324015][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.324159][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.324302][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.324460][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.324602][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.324749][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.324897][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.325044][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.325188][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.325335][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.325489][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.325636][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.325776][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.325921][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.326062][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.326203][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.326352][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.326501][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.326652][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.326807][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.326947][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.327088][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.327228][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.327376][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.327527][  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))
[    9.327675][  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))
[    9.327819][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.327960][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.328101][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.328243][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.328392][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.328539][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.328686][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.328829][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.328968][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.329140][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.329305][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.329476][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.329626][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.329777][  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))
[    9.329921][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.330063][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.330208][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.330354][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.330501][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.330647][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.330790][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.330934][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.331109][  T194] RIP: 0033:0x7f714020308e
[    9.331278][  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
[    9.331795][  T194] RSP: 002b:00007ffd982cbe70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.332007][  T194] RAX: ffffffffffffffda RBX: 00007ffd982cc608 RCX: 00007f714020308e
[    9.332218][  T194] RDX: 0000000000000000 RSI: 00007ffd982cbf20 RDI: 0000000000000005
[    9.332436][  T194] RBP: 00007ffd982cbe80 R08: 0000000000000000 R09: 0000000000000000
[    9.332652][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caae
[    9.332888][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd982cc5e0
| [    9.341531][  T194] ------------[ cut here ]------------
| [    9.341734][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.341972][  T194] Modules linked in: veth
| [    9.343019][  T194] Tainted: [W]=WARN
[    9.343190][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.343442][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.343631][  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
[    9.344145][  T194] RSP: 0018:ffa00000005071b0 EFLAGS: 00010286
[    9.344383][  T194] RAX: 00000000ffffffa6 RBX: ff1100000ad87c40 RCX: 1ff40000000a0dfc
[    9.344594][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ad87cf8
[    9.344804][  T194] RBP: ff1100000255c000 R08: 1fe22000015b0fa0 R09: ff1100000c3ed180
[    9.345011][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.345214][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.345487][  T194] FS:  00007f713ffc9840(0000) GS:ff110000967b0000(0000) knlGS:0000000000000000
[    9.345727][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.345900][  T194] CR2: 00007f7140330f6d CR3: 000000000c6a1001 CR4: 0000000000771ef0
[    9.346123][  T194] PKRU: 55555554
[    9.346225][  T194] Call Trace:
[    9.346384][  T194]  <TASK>
[    9.346461][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.346601][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.346711][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.346850][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.346988][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.347180][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.347320][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.347522][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.347722][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.347860][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.348014][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.348158][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.348299][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.348500][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.348640][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.348778][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.348914][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.349050][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.349318][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.349534][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.349677][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.349869][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.350006][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.350142][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.350279][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.350667][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.350827][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.350964][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.351100][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.351240][  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))
[    9.351438][  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))
[    9.351580][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.351724][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.351861][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.352001][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.352230][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.352429][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.358024][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.358181][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.358318][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.358555][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.358713][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.358880][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.359017][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.359179][  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))
[    9.359379][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.359801][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.359960][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.360101][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.360242][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.360443][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.360582][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.360723][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.360901][  T194] RIP: 0033:0x7f714020308e
[    9.361045][  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
[    9.361679][  T194] RSP: 002b:00007ffd982cbe70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.361888][  T194] RAX: ffffffffffffffda RBX: 00007ffd982cc608 RCX: 00007f714020308e
[    9.362090][  T194] RDX: 0000000000000000 RSI: 00007ffd982cbf20 RDI: 0000000000000005
[    9.362295][  T194] RBP: 00007ffd982cbe80 R08: 0000000000000000 R09: 0000000000000000
[    9.362561][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caae


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