======================================
| xx__-> [    9.204055][  T185] ------------[ cut here ]------------
| [    9.204395][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.204659][  T185] Modules linked in: veth
| [    9.205143][  T185] Tainted: [W]=WARN
[    9.205252][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.205429][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.205631][  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
[    9.206143][  T185] RSP: 0018:ffa0000000846e30 EFLAGS: 00010286
[    9.206324][  T185] RAX: 00000000ffffffa6 RBX: ff11000009a56580 RCX: 1ff4000000108d8c
[    9.206550][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a56638
[    9.206811][  T185] RBP: ff1100000787c000 R08: 1fe220000134acc8 R09: ff1100000d02ae80
[    9.207030][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.207250][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c001580
[    9.207466][  T185] FS:  00007f0d1e36a840(0000) GS:ff110000823b0000(0000) knlGS:0000000000000000
[    9.207726][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.207904][  T185] CR2: 00007f721e8b6808 CR3: 000000000e27a005 CR4: 0000000000771ef0
[    9.208173][  T185] PKRU: 55555554
[    9.208287][  T185] Call Trace:
[    9.208394][  T185]  <TASK>
[    9.208474][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.208660][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.208803][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.208911][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.209057][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.209208][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.209350][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.209499][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.209647][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.209791][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.209933][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.210078][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.210225][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.210367][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.210523][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.210674][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.210850][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.210995][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.211141][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.211300][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.211443][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.211599][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.211741][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.211884][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.212029][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.212178][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.212321][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.212470][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.212623][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.212771][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.212914][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.213058][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.213205][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.213345][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.213494][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.213645][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.213787][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.214032][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.214180][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.214321][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.214566][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.214716][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.214856][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.215000][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.215147][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.215289][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.215434][  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))
[    9.215586][  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))
[    9.215824][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.215967][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.216109][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.216256][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.216400][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.216550][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.216793][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.216936][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.217081][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.217356][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.217508][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.217748][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.217987][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.218239][  T185]  ? 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))
[    9.218384][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.218534][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.218781][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.218924][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.219066][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.219214][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.219358][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.219509][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.219785][  T185] RIP: 0033:0x7f0d1e5a408e
[    9.219935][  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
[    9.220764][  T185] RSP: 002b:00007ffc7d919380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.220982][  T185] RAX: ffffffffffffffda RBX: 00007ffc7d919b18 RCX: 00007f0d1e5a408e
[    9.221296][  T185] RDX: 0000000000000000 RSI: 00007ffc7d919430 RDI: 0000000000000005
[    9.221515][  T185] RBP: 00007ffc7d919390 R08: 0000000000000000 R09: 0000000000000000
[    9.221731][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb39
[    9.221943][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7d919af0
| [    9.232710][  T185] ------------[ cut here ]------------
| [    9.232864][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.233107][  T185] Modules linked in: veth
| [    9.233555][  T185] Tainted: [W]=WARN
[    9.233666][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.233838][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.234022][  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
[    9.234535][  T185] RSP: 0018:ffa00000008471b0 EFLAGS: 00010286
[    9.234717][  T185] RAX: 00000000ffffffa6 RBX: ff1100000aa6eac0 RCX: 1ff4000000108dfc
[    9.234924][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa6eb78
[    9.235136][  T185] RBP: ff1100000a0d4000 R08: 1fe220000154dd70 R09: ff1100000d02ae80
[    9.235344][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.235558][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.235797][  T185] FS:  00007f0d1e36a840(0000) GS:ff110000823b0000(0000) knlGS:0000000000000000
[    9.236039][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.236221][  T185] CR2: 00007f721e8b6808 CR3: 000000000e27a005 CR4: 0000000000771ef0
[    9.236428][  T185] PKRU: 55555554
[    9.236540][  T185] Call Trace:
[    9.236650][  T185]  <TASK>
[    9.236723][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.236863][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.236972][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.237111][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.237257][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.237395][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.237543][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.237693][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.237834][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.237974][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.238121][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.238266][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.238410][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.238553][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.238697][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.238835][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.238972][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.239108][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.239317][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.239460][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.239607][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.239745][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.239883][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.240023][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.240220][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.240360][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.240509][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.240654][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.240793][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.240934][  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))
[    9.241073][  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))
[    9.241300][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.241554][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.241701][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.241842][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.241980][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.242227][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.242367][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.242511][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.242654][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.242823][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.242968][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.243104][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.243306][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.243454][  T185]  ? 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))
[    9.243605][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.243743][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.243885][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.244029][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.244177][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.244314][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.244454][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.244603][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.244773][  T185] RIP: 0033:0x7f0d1e5a408e
[    9.244917][  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
[    9.245405][  T185] RSP: 002b:00007ffc7d919380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.245619][  T185] RAX: ffffffffffffffda RBX: 00007ffc7d919b18 RCX: 00007f0d1e5a408e
[    9.245824][  T185] RDX: 0000000000000000 RSI: 00007ffc7d919430 RDI: 0000000000000005
[    9.246058][  T185] RBP: 00007ffc7d919390 R08: 0000000000000000 R09: 0000000000000000
[    9.246265][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb39


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