======================================
| xx__-> [    9.018942][  T185] ------------[ cut here ]------------
| [    9.019229][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.019581][  T185] Modules linked in: veth
| [    9.020162][  T185] Tainted: [W]=WARN
[    9.020276][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.020453][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.020637][  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
[    9.021164][  T185] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.021344][  T185] RAX: 00000000ffffffa6 RBX: ff1100000a593a80 RCX: 1ff4000000118d8c
[    9.021552][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a593b38
[    9.021767][  T185] RBP: ff110000086e9000 R08: 1fe22000014b2768 R09: ff1100000d452e80
[    9.022027][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.022248][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c612000
[    9.022459][  T185] FS:  00007fd4c168a840(0000) GS:ff11000080bb0000(0000) knlGS:0000000000000000
[    9.022704][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.022889][  T185] CR2: 00007fd4c19f1f6d CR3: 000000000c110004 CR4: 0000000000771ef0
[    9.023113][  T185] PKRU: 55555554
[    9.023219][  T185] Call Trace:
[    9.023328][  T185]  <TASK>
[    9.023401][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.023578][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.023719][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.023831][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.023978][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.024123][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.024266][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.024409][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.024549][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.024691][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.024838][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.024985][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.025130][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.025276][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.025422][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.025564][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.025738][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.025888][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.026135][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.026296][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.026438][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.026583][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.026826][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.026970][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.027127][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.027279][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.027423][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.027569][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.027719][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.027877][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.028026][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.028171][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.028316][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.028455][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.028595][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.028742][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.028893][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.029036][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.029181][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.029325][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.029466][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.029609][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.029756][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.029908][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.030065][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.030212][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.030362][  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))
[    9.030507][  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))
[    9.030655][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.030812][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.031112][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.031265][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.031414][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.031563][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.031713][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.031868][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.032020][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.032208][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.032456][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.032699][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.032856][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.033013][  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))
[    9.033170][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.033319][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.033470][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.033717][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.033870][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.034019][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.034167][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.034311][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.034675][  T185] RIP: 0033:0x7fd4c18c408e
[    9.034934][  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
[    9.035460][  T185] RSP: 002b:00007ffd22ccf180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.035672][  T185] RAX: ffffffffffffffda RBX: 00007ffd22ccf918 RCX: 00007fd4c18c408e
[    9.035892][  T185] RDX: 0000000000000000 RSI: 00007ffd22ccf230 RDI: 0000000000000005
[    9.036206][  T185] RBP: 00007ffd22ccf190 R08: 0000000000000000 R09: 0000000000000000
[    9.036423][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8ff
[    9.036654][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd22ccf8f0
| [    9.052252][  T185] ------------[ cut here ]------------
| [    9.052422][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.052671][  T185] Modules linked in: veth
| [    9.053137][  T185] Tainted: [W]=WARN
[    9.053247][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.053426][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.053607][  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
[    9.054111][  T185] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.054288][  T185] RAX: 00000000ffffffa6 RBX: ff11000005474040 RCX: 1ff4000000118dfc
[    9.054494][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000054740f8
[    9.054700][  T185] RBP: ff1100000a0cc000 R08: 1fe2200000a8e820 R09: ff1100000d452e80
[    9.054916][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.055136][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.055346][  T185] FS:  00007fd4c168a840(0000) GS:ff11000080bb0000(0000) knlGS:0000000000000000
[    9.055587][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.055765][  T185] CR2: 00007fd4c19f1f6d CR3: 000000000c110004 CR4: 0000000000771ef0
[    9.055983][  T185] PKRU: 55555554
[    9.056096][  T185] Call Trace:
[    9.056204][  T185]  <TASK>
[    9.056280][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.056427][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.056539][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.056683][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.056835][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.056982][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.057134][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.057280][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.057425][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.057568][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.057710][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.057867][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.058019][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.058170][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.058315][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.058458][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.058599][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.058742][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.058899][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.059045][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.059195][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.059341][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.059485][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.059627][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.059773][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.059918][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.060072][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.060215][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.060361][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.060508][  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))
[    9.060649][  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))
[    9.060801][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.060947][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.061099][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.061244][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.061389][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.061535][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.061682][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.061834][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.061980][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.062164][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.062313][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.062454][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.062598][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.062751][  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))
[    9.062905][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.063052][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.063207][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.063352][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.063496][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.063637][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.063787][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.063933][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.064117][  T185] RIP: 0033:0x7fd4c18c408e
[    9.064268][  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
[    9.064784][  T185] RSP: 002b:00007ffd22ccf180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.065005][  T185] RAX: ffffffffffffffda RBX: 00007ffd22ccf918 RCX: 00007fd4c18c408e
[    9.065228][  T185] RDX: 0000000000000000 RSI: 00007ffd22ccf230 RDI: 0000000000000005
[    9.065444][  T185] RBP: 00007ffd22ccf190 R08: 0000000000000000 R09: 0000000000000000
[    9.065660][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8ff
[    9.065876][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd22ccf8f0
| [    9.197574][  T191] ------------[ cut here ]------------
| [    9.197834][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/191
| [    9.198140][  T191] Modules linked in: veth
| [    9.198566][  T191] Tainted: [W]=WARN
[    9.198678][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.198875][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.199171][  T191] 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
[    9.199796][  T191] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[    9.200009][  T191] RAX: 00000000ffffffa6 RBX: ff11000004ea63c0 RCX: 1ff4000000114d8c
[    9.200301][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ea6478
[    9.200513][  T191] RBP: ff1100000a254000 R08: 1fe22000009d4c90 R09: ff1100000cc95180
[    9.200724][  T191] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.200939][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a486000
[    9.201246][  T191] FS:  00007fab9d713840(0000) GS:ff11000080c30000(0000) knlGS:0000000000000000
[    9.201496][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.201674][  T191] CR2: 000000000042ebe0 CR3: 000000000d40f003 CR4: 0000000000771ef0
[    9.201896][  T191] PKRU: 55555554
[    9.202007][  T191] Call Trace:
[    9.202172][  T191]  <TASK>
[    9.202246][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.202389][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.202496][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.202671][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.202819][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.202960][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.203185][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.203326][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.203467][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.203608][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.203748][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.203896][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.204034][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.204274][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.204416][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.204560][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.204734][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.204879][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.205023][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.205262][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.205401][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.205543][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.205680][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.205829][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.205969][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.206195][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.206332][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.206474][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.206622][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.206774][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.206922][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.207129][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.207274][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.207416][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.207560][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.207709][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.207858][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.208004][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.208163][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.208307][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.208450][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.208592][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.208729][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.208873][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.209018][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.209165][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.209309][  T191]  ? 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))
[    9.209447][  T191]  ? 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))
[    9.209586][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.209727][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.209870][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.210017][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.210169][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.210311][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.210454][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.210595][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.210734][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.210911][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.211058][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.211203][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.211344][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.211492][  T191]  ? 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))
[    9.211633][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.211780][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.211924][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.212071][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.212212][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.212350][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.212496][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.212640][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.212826][  T191] RIP: 0033:0x7fab9d94d08e
[    9.212982][  T191] 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
[    9.213501][  T191] RSP: 002b:00007ffe6bddd140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.213719][  T191] RAX: ffffffffffffffda RBX: 00007ffe6bddd8d8 RCX: 00007fab9d94d08e
[    9.213942][  T191] RDX: 0000000000000000 RSI: 00007ffe6bddd1f0 RDI: 0000000000000005
[    9.214165][  T191] RBP: 00007ffe6bddd150 R08: 0000000000000000 R09: 0000000000000000
[    9.214381][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8ff
[    9.214591][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6bddd8b0
| [    9.268928][  T191] ------------[ cut here ]------------
| [    9.269194][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.269483][  T191] Modules linked in: veth
| [    9.269973][  T191] Tainted: [W]=WARN
[    9.270628][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.270950][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.271279][  T191] 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
[    9.271933][  T191] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[    9.272234][  T191] RAX: 00000000ffffffa6 RBX: ff110000093e6740 RCX: 1ff4000000114dfc
[    9.272541][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093e67f8
[    9.272888][  T191] RBP: ff1100000a25c000 R08: 1fe220000127cd00 R09: ff1100000cc95180
[    9.273257][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.273545][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.273820][  T191] FS:  00007fab9d713840(0000) GS:ff11000080cb0000(0000) knlGS:0000000000000000
[    9.274137][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.274380][  T191] CR2: 00007f24129cfd80 CR3: 000000000d40f004 CR4: 0000000000771ef0
[    9.274642][  T191] PKRU: 55555554
[    9.274807][  T191] Call Trace:
[    9.274977][  T191]  <TASK>
[    9.275116][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.275316][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.275478][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.275671][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.275872][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.276087][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.276284][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.276475][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.276662][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.276859][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.277053][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.277313][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.277509][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.277700][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.277897][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.278108][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.278297][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.278488][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.278679][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.278877][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.279085][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.279275][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.279462][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.279648][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.279844][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.280040][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.280248][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.280895][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.281108][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.281304][  T191]  ? 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))
[    9.281506][  T191]  ? 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))
[    9.281697][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.281898][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.282112][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.282307][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.282529][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.282718][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.282923][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.283133][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.283325][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.283550][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.283743][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.283944][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.284150][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.284353][  T191]  ? 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))
[    9.284544][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.284733][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.284939][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.285258][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.285453][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.285833][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.286032][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.286237][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.286459][  T191] RIP: 0033:0x7fab9d94d08e
[    9.286855][  T191] 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
[    9.287411][  T191] RSP: 002b:00007ffe6bddd140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.287667][  T191] RAX: ffffffffffffffda RBX: 00007ffe6bddd8d8 RCX: 00007fab9d94d08e
[    9.288156][  T191] RDX: 0000000000000000 RSI: 00007ffe6bddd1f0 RDI: 0000000000000005
[    9.288435][  T191] RBP: 00007ffe6bddd150 R08: 0000000000000000 R09: 0000000000000000
[    9.288878][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8ff


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