======================================
| xx__-> [   10.290402][  T186] ------------[ cut here ]------------
| [   10.290738][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   10.291187][  T186] Modules linked in: veth
| [   10.291673][  T186] Tainted: [W]=WARN
[   10.291781][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.291967][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.292159][  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
[   10.292702][  T186] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   10.292900][  T186] RAX: 00000000ffffffa6 RBX: ff11000009fe2e40 RCX: 1ff4000000126d8c
[   10.293155][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fe2ef8
[   10.293400][  T186] RBP: ff11000008669000 R08: 1fe22000013fc5e0 R09: ff1100000d768b80
[   10.293638][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.293868][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bc10780
[   10.294138][  T186] FS:  00007f23ca06a840(0000) GS:ff110000a1630000(0000) knlGS:0000000000000000
[   10.294443][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.294633][  T186] CR2: 0000563859f85cc0 CR3: 000000000cebf002 CR4: 0000000000771ef0
[   10.294879][  T186] PKRU: 55555554
[   10.294992][  T186] Call Trace:
[   10.295107][  T186]  <TASK>
[   10.295182][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.295375][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.295526][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.295632][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.295776][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.295929][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.296115][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.296327][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.296540][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.296752][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.296980][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.297191][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.297336][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.297553][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.297769][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.298008][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.298280][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.298438][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.298593][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.298755][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.298929][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.299077][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.299222][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.299365][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.299527][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.299683][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.299863][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.300078][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.300304][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.300472][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.300633][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.300787][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.300962][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.301116][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.301270][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.301424][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.301628][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.301775][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.301927][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.302069][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.302210][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.302361][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.302518][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.302688][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.302847][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.303000][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.303156][  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))
[   10.303311][  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))
[   10.303469][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.303633][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.303852][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.304012][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.304180][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.304403][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.304643][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.304886][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.305122][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.305403][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.305619][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.305771][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.305930][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.306087][  T186]  ? 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))
[   10.306236][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.306379][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.306529][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.306675][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.306827][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.306972][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.307116][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.307267][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.307451][  T186] RIP: 0033:0x7f23ca2a408e
[   10.307619][  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
[   10.308172][  T186] RSP: 002b:00007ffc7df256e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.308414][  T186] RAX: ffffffffffffffda RBX: 00007ffc7df25e78 RCX: 00007f23ca2a408e
[   10.308650][  T186] RDX: 0000000000000000 RSI: 00007ffc7df25790 RDI: 0000000000000005
[   10.308883][  T186] RBP: 00007ffc7df256f0 R08: 0000000000000000 R09: 0000000000000000
[   10.309116][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb52
[   10.309350][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7df25e50
| [   10.321116][  T186] ------------[ cut here ]------------
| [   10.321337][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   10.321597][  T186] Modules linked in: veth
| [   10.322004][  T186] Tainted: [W]=WARN
[   10.322111][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.322305][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.322496][  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
[   10.323006][  T186] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   10.323188][  T186] RAX: 00000000ffffffa6 RBX: ff11000009ffae40 RCX: 1ff4000000126dfc
[   10.323422][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ffaef8
[   10.323668][  T186] RBP: ff1100000979c000 R08: 1fe22000013ff5e0 R09: ff1100000d768b80
[   10.323907][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.324137][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.324357][  T186] FS:  00007f23ca06a840(0000) GS:ff110000a1630000(0000) knlGS:0000000000000000
[   10.324667][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.324850][  T186] CR2: 0000563859f85cc0 CR3: 000000000cebf002 CR4: 0000000000771ef0
[   10.325060][  T186] PKRU: 55555554
[   10.325163][  T186] Call Trace:
[   10.325268][  T186]  <TASK>
[   10.325341][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.325487][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.325594][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.325731][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.325881][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.326019][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.326157][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.326297][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.326437][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.326581][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.326723][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.326873][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.327014][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.327156][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.327299][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.327439][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.327580][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.327721][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.327870][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.328010][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.328158][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.328295][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.328431][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.328574][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.328715][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.328859][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.329000][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.329138][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.329276][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.329415][  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))
[   10.329557][  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))
[   10.329696][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.329901][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.330043][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.330182][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.330323][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.330462][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.330607][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.330744][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.330962][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.331132][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.331274][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.331411][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.331552][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.331699][  T186]  ? 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))
[   10.331954][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.332098][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.332244][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.332388][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.332530][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.332668][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.332919][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.333063][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.333239][  T186] RIP: 0033:0x7f23ca2a408e
[   10.333388][  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
[   10.333989][  T186] RSP: 002b:00007ffc7df256e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.334204][  T186] RAX: ffffffffffffffda RBX: 00007ffc7df25e78 RCX: 00007f23ca2a408e
[   10.334418][  T186] RDX: 0000000000000000 RSI: 00007ffc7df25790 RDI: 0000000000000005
[   10.334688][  T186] RBP: 00007ffc7df256f0 R08: 0000000000000000 R09: 0000000000000000
[   10.334909][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb52
[   10.335118][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7df25e50
| [   10.473499][  T194] ------------[ cut here ]------------
| [   10.473733][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [   10.474830][  T194] Modules linked in: veth
| [   10.475243][  T194] Tainted: [W]=WARN
[   10.475351][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.475534][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.475723][  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
[   10.476231][  T194] RSP: 0018:ffa00000008d6e30 EFLAGS: 00010286
[   10.476414][  T194] RAX: 00000000ffffffa6 RBX: ff11000005270040 RCX: 1ff400000011ad8c
[   10.476634][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000052700f8
[   10.476857][  T194] RBP: ff11000007fe4000 R08: 1fe2200000a4e020 R09: ff1100000cd4d180
[   10.477073][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.477290][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b33fc00
[   10.477543][  T194] FS:  00007f2ce4eed840(0000) GS:ff110000a15b0000(0000) knlGS:0000000000000000
[   10.477803][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.477984][  T194] CR2: 000000000042ebe0 CR3: 000000000c5b3003 CR4: 0000000000771ef0
[   10.478203][  T194] PKRU: 55555554
[   10.478312][  T194] Call Trace:
[   10.478421][  T194]  <TASK>
[   10.478505][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.478661][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.478778][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.478967][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[   10.479110][  T194]  ? netif_change_name (net/core/dev.c:1495)
[   10.479253][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.479401][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.479547][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.479691][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.479843][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.479989][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.480134][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.480278][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.480421][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.480574][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[   10.480724][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.480908][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.481055][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.481202][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.481367][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.481518][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.481661][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.481805][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.481948][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.482091][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.482236][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.482376][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.482525][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.482672][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.482823][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.482967][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.483113][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.483329][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.483559][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.483782][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.484029][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.484250][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.484419][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.484565][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.484707][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.484854][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.484997][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.485139][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.485284][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.485426][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.485574][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.485741][  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))
[   10.485896][  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))
[   10.486041][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.486186][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.486332][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.486476][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.486623][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.486769][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.486923][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.487067][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.487217][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.487399][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[   10.487555][  T194]  ___sys_sendmsg (net/socket.c:2752)
[   10.487698][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.487844][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.487996][  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))
[   10.488139][  T194]  __sys_sendmsg (net/socket.c:2784)
[   10.488283][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.488432][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.488595][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.488739][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.488886][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.489029][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.489170][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.489346][  T194] RIP: 0033:0x7f2ce512708e
[   10.489501][  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
[   10.490008][  T194] RSP: 002b:00007ffc6abbb180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.490222][  T194] RAX: ffffffffffffffda RBX: 00007ffc6abbb918 RCX: 00007f2ce512708e
[   10.490433][  T194] RDX: 0000000000000000 RSI: 00007ffc6abbb230 RDI: 0000000000000005
[   10.490656][  T194] RBP: 00007ffc6abbb190 R08: 0000000000000000 R09: 0000000000000000
[   10.490873][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb52
[   10.491091][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6abbb8f0
| [   10.502141][  T194] ------------[ cut here ]------------
| [   10.502316][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [   10.502564][  T194] Modules linked in: veth
| [   10.502983][  T194] Tainted: [W]=WARN
[   10.503087][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.503259][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.503441][  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
[   10.504015][  T194] RSP: 0018:ffa00000008d71b0 EFLAGS: 00010286
[   10.504191][  T194] RAX: 00000000ffffffa6 RBX: ff1100000b1bc040 RCX: 1ff400000011adfc
[   10.504395][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b1bc0f8
[   10.504607][  T194] RBP: ff11000007a31000 R08: 1fe2200001637820 R09: ff1100000cd4d180
[   10.504873][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.505082][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.505290][  T194] FS:  00007f2ce4eed840(0000) GS:ff110000a15b0000(0000) knlGS:0000000000000000
[   10.505554][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.505728][  T194] CR2: 000000000042ebe0 CR3: 000000000c5b3003 CR4: 0000000000771ef0
[   10.505993][  T194] PKRU: 55555554
[   10.506183][  T194] Call Trace:
[   10.506287][  T194]  <TASK>
[   10.506359][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.506506][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.506612][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[   10.506757][  T194]  ? netif_change_name (net/core/dev.c:1495)
[   10.507021][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.507157][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.507299][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.507437][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.507582][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.507718][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.507965][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.508117][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.508259][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.508402][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.508551][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.508691][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.508834][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.508971][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.509120][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.509262][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.509404][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.509548][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.509691][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.509834][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.509975][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.510113][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.510274][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.510418][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.510562][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.510708][  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))
[   10.510852][  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))
[   10.510992][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.511130][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.511272][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.511412][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.511573][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.511716][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.511870][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.512016][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.512155][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.512329][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[   10.512479][  T194]  ___sys_sendmsg (net/socket.c:2752)
[   10.512627][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.512768][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.512925][  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))
[   10.513067][  T194]  __sys_sendmsg (net/socket.c:2784)
[   10.513205][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.513352][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.513494][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.513636][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.513777][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.513926][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.514065][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.514242][  T194] RIP: 0033:0x7f2ce512708e
[   10.514397][  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
[   10.514946][  T194] RSP: 002b:00007ffc6abbb180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.515158][  T194] RAX: ffffffffffffffda RBX: 00007ffc6abbb918 RCX: 00007f2ce512708e
[   10.515365][  T194] RDX: 0000000000000000 RSI: 00007ffc6abbb230 RDI: 0000000000000005
[   10.515599][  T194] RBP: 00007ffc6abbb190 R08: 0000000000000000 R09: 0000000000000000
[   10.515880][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb52


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