======================================
| xx__-> [    9.110990][  T185] ------------[ cut here ]------------
| [    9.111260][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [    9.111657][  T185] Modules linked in: veth
| [    9.112206][  T185] Tainted: [W]=WARN
[    9.112371][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.112595][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.112937][  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
[    9.113763][  T185] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[    9.114104][  T185] RAX: 00000000ffffffa6 RBX: ff110000090de740 RCX: 1ff4000000114d8c
[    9.114560][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090de7f8
[    9.114951][  T185] RBP: ff1100000206c000 R08: 1fe220000121bd00 R09: ff1100000f0c0b80
[    9.115337][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.115616][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ca88780
[    9.115895][  T185] FS:  00007f74cadd3840(0000) GS:ff110000ab2b0000(0000) knlGS:0000000000000000
[    9.116211][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.116557][  T185] CR2: 00007f58ce196808 CR3: 000000000c907004 CR4: 0000000000771ef0
[    9.116841][  T185] PKRU: 55555554
[    9.117014][  T185] Call Trace:
[    9.117271][  T185]  <TASK>
[    9.117394][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.117635][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.117848][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.118004][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.118214][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.118414][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.118604][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.118805][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.119100][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.119298][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.119539][  T185]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.119776][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.120068][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.120285][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.120476][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.120668][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.120931][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.121123][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.121319][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.121634][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.121844][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.122037][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.122323][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.122514][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.122715][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.122918][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.123126][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.123342][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.123539][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.123744][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.123949][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.124137][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.124336][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.124542][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.124743][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.124949][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.125183][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.125382][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.125572][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.125774][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.125973][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.126186][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.126378][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.126569][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.126773][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.127064][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.127358][  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))
[    9.127546][  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))
[    9.127855][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.128050][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.128359][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.128551][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.128863][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.129053][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.129366][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.129581][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.129785][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.130112][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.130313][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.130501][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.130696][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.130921][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.131112][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.131332][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.131521][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.131725][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.131947][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.132237][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.132428][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.132632][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.132894][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.133089][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.133318][  T185] RIP: 0033:0x7f74cb00d08e
[    9.133534][  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
[    9.134316][  T185] RSP: 002b:00007ffeab464f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.134674][  T185] RAX: ffffffffffffffda RBX: 00007ffeab465698 RCX: 00007f74cb00d08e
[    9.134948][  T185] RDX: 0000000000000000 RSI: 00007ffeab464fb0 RDI: 0000000000000005
[    9.135205][  T185] RBP: 00007ffeab464f10 R08: 0000000000000000 R09: 0000000000000000
[    9.135562][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[    9.136049][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeab465670
| [    9.156577][  T185] ------------[ cut here ]------------
| [    9.156767][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.157034][  T185] Modules linked in: veth
| [    9.157418][  T185] Tainted: [W]=WARN
[    9.157523][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.157695][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.157877][  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
[    9.158382][  T185] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[    9.158557][  T185] RAX: 00000000ffffffa6 RBX: ff1100000a5e91c0 RCX: 1ff4000000114dfc
[    9.158764][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a5e9278
[    9.158970][  T185] RBP: ff110000057f1000 R08: 1fe22000014bd250 R09: ff1100000f0c0b80
[    9.159173][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.159378][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.159580][  T185] FS:  00007f74cadd3840(0000) GS:ff110000ab330000(0000) knlGS:0000000000000000
[    9.159826][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.159995][  T185] CR2: 000055c5b4267d5c CR3: 000000000c907002 CR4: 0000000000771ef0
[    9.160200][  T185] PKRU: 55555554
[    9.160316][  T185] Call Trace:
[    9.160423][  T185]  <TASK>
[    9.160494][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.160632][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.160737][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.160878][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.161013][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.161153][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.161296][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.161434][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.161570][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.161711][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.161854][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.161994][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.162136][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.162279][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.162415][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.162550][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.162688][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.162826][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.162966][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.163103][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.163245][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.163379][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.163515][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.163649][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.163791][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.163933][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.164072][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.164209][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.164351][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.164490][  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))
[    9.164646][  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))
[    9.164792][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.164935][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.165074][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.165211][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.165355][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.165495][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.165635][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.165778][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.165918][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.166088][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.166234][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.166369][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.166505][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.166658][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.166795][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.166937][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.167073][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.167211][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.167353][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.167491][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.167631][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.167771][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.167918][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.168055][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.168230][  T185] RIP: 0033:0x7f74cb00d08e
[    9.168374][  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
[    9.168871][  T185] RSP: 002b:00007ffeab464f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.169078][  T185] RAX: ffffffffffffffda RBX: 00007ffeab465698 RCX: 00007f74cb00d08e
[    9.169285][  T185] RDX: 0000000000000000 RSI: 00007ffeab464fb0 RDI: 0000000000000005
[    9.169489][  T185] RBP: 00007ffeab464f10 R08: 0000000000000000 R09: 0000000000000000
[    9.169702][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[    9.169916][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeab465670
| [    9.287138][  T194] ------------[ cut here ]------------
| [    9.287371][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [    9.287676][  T194] Modules linked in: veth
| [    9.288247][  T194] Tainted: [W]=WARN
[    9.288404][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.288670][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.288926][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.289497][  T194] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[    9.289742][  T194] RAX: 00000000ffffffa6 RBX: ff1100000cfaa740 RCX: 1ff4000000114d8c
[    9.290017][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cfaa7f8
[    9.290295][  T194] RBP: ff1100000d814000 R08: 1fe22000019f5500 R09: ff1100000a470b80
[    9.290562][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.290847][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005e2fc00
[    9.291115][  T194] FS:  00007f4d71912840(0000) GS:ff110000ab2b0000(0000) knlGS:0000000000000000
[    9.291429][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.291703][  T194] CR2: 000000000042ebe0 CR3: 000000000b33f003 CR4: 0000000000771ef0
[    9.291979][  T194] PKRU: 55555554
[    9.292151][  T194] Call Trace:
[    9.292319][  T194]  <TASK>
[    9.292445][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.292646][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.292830][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.293061][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.293267][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.293458][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.293682][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.293890][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.294085][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.295124][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.295332][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.295527][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.295743][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.295953][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.296150][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.296354][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.296579][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.296784][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.296991][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.297213][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.297414][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.297612][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.297833][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.298027][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.298512][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.298716][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.298949][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.299146][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.299353][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.299552][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.299760][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.299968][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.300191][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.300393][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.300584][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.300790][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.300998][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.301195][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.301398][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.301592][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.301797][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.302172][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.302377][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.302572][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.302776][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.302980][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.303383][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.303575][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.303779][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.303987][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.304183][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.304380][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.304576][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.304780][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.304990][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.305205][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.305406][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.305631][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.305852][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.306043][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.306248][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.306468][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.306667][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.306976][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.307176][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.307377][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.307570][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.307775][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.307981][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.308178][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.308410][  T194] RIP: 0033:0x7f4d71b4c08e
[    9.308607][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.309211][  T194] RSP: 002b:00007ffc71cb7520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.309484][  T194] RAX: ffffffffffffffda RBX: 00007ffc71cb7cb8 RCX: 00007f4d71b4c08e
[    9.309755][  T194] RDX: 0000000000000000 RSI: 00007ffc71cb75d0 RDI: 0000000000000005
[    9.310129][  T194] RBP: 00007ffc71cb7530 R08: 0000000000000000 R09: 0000000000000000
[    9.311889][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[    9.312263][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc71cb7c90
| [    9.346837][  T194] ------------[ cut here ]------------
| [    9.347074][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [    9.347367][  T194] Modules linked in: veth
| [    9.348695][  T194] Tainted: [W]=WARN
[    9.348957][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.349261][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.349551][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.350170][  T194] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[    9.350431][  T194] RAX: 00000000ffffffa6 RBX: ff1100000f1e51c0 RCX: 1ff4000000114dfc
[    9.350689][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f1e5278
[    9.350961][  T194] RBP: ff110000074dc000 R08: 1fe2200001e3ca50 R09: ff1100000a470b80
[    9.351215][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.351477][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.351744][  T194] FS:  00007f4d71912840(0000) GS:ff110000ab2b0000(0000) knlGS:0000000000000000
[    9.352050][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.352286][  T194] CR2: 00007f1b31e6dd80 CR3: 000000000b33f004 CR4: 0000000000771ef0
[    9.352541][  T194] PKRU: 55555554
[    9.352701][  T194] Call Trace:
[    9.352868][  T194]  <TASK>
[    9.352991][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.353185][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.353350][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.353541][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.353743][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.353945][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.354139][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.354339][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.354528][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.354729][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.354933][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.355130][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.355331][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.355530][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.355733][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.355937][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.356140][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.356336][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.356554][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.356783][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.356989][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.357184][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.357381][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.357572][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.357776][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.357977][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.358174][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.358373][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.358566][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.358771][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.358973][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.359169][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.359368][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.359556][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.359758][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.359967][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.360161][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.360363][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.360557][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.360758][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.360992][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.361186][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.361380][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.361569][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.361782][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.361990][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.362183][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.362382][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.362571][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.362777][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.362979][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.363169][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.363388][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.363609][  T194] RIP: 0033:0x7f4d71b4c08e
[    9.363829][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.364382][  T194] RSP: 002b:00007ffc71cb7520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.364643][  T194] RAX: ffffffffffffffda RBX: 00007ffc71cb7cb8 RCX: 00007f4d71b4c08e
[    9.364924][  T194] RDX: 0000000000000000 RSI: 00007ffc71cb75d0 RDI: 0000000000000005
[    9.365181][  T194] RBP: 00007ffc71cb7530 R08: 0000000000000000 R09: 0000000000000000
[    9.365439][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[    9.365701][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc71cb7c90
| [    9.529540][  T201] ------------[ cut here ]------------
| [    9.529794][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201
| [    9.530112][  T201] Modules linked in: veth
| [    9.530625][  T201] Tainted: [W]=WARN
[    9.530793][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.531044][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.531293][  T201] 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
[    9.531869][  T201] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[    9.532102][  T201] RAX: 00000000ffffffa6 RBX: ff1100000cfab000 RCX: 1ff40000000c4d8c
[    9.532372][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cfab0b8
[    9.532638][  T201] RBP: ff1100000c969000 R08: 1fe22000019f5618 R09: ff1100000517d180
[    9.532997][  T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.533341][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a31580
[    9.533682][  T201] FS:  00007f17ac505840(0000) GS:ff110000ab2b0000(0000) knlGS:0000000000000000
[    9.534063][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.534361][  T201] CR2: 000055a7370676c0 CR3: 000000000a60f003 CR4: 0000000000771ef0
[    9.534710][  T201] PKRU: 55555554
[    9.534975][  T201] Call Trace:
[    9.535235][  T201]  <TASK>
[    9.535443][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.535710][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.535978][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.536195][  T201]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.536507][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.536790][  T201]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.537084][  T201]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.537284][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.537477][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.537676][  T201]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.537887][  T201]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.538082][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.538289][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.538482][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.538681][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.538891][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.539087][  T201]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.539292][  T201] veth_newlink (drivers/net/veth.c:1871) veth
[    9.539490][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.539730][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.539938][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.540131][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.540350][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.540545][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.540757][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.540965][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.541163][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.541370][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.541566][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.541772][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.542006][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.542208][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.542417][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.542613][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.542832][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.543031][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.543232][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.543428][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.543628][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.543846][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.544042][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.544245][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.544441][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.544634][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.544853][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.545047][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.545253][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.545450][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.545645][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.545869][  T201]  ? 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))
[    9.546061][  T201]  ? 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))
[    9.546264][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.546459][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.546657][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.546877][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.547072][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.547270][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.547467][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.547663][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.547872][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.548098][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.548307][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.548499][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.548698][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.548913][  T201]  ? 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))
[    9.549109][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.549313][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.549509][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.549717][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.549927][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.550118][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.550318][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.550512][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.550751][  T201] RIP: 0033:0x7f17ac73f08e
[    9.550967][  T201] 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
[    9.551525][  T201] RSP: 002b:00007ffc5988e5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.551802][  T201] RAX: ffffffffffffffda RBX: 00007ffc5988ed68 RCX: 00007f17ac73f08e
[    9.552093][  T201] RDX: 0000000000000000 RSI: 00007ffc5988e680 RDI: 0000000000000005
[    9.552367][  T201] RBP: 00007ffc5988e5e0 R08: 0000000000000000 R09: 0000000000000000
[    9.552628][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[    9.552910][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5988ed40
| [    9.569057][  T201] ------------[ cut here ]------------
| [    9.569264][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201
| [    9.569551][  T201] Modules linked in: veth
| [    9.570063][  T201] Tainted: [W]=WARN
[    9.570226][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.570449][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.570697][  T201] 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
[    9.571261][  T201] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[    9.571486][  T201] RAX: 00000000ffffffa6 RBX: ff1100000cc0fe00 RCX: 1ff40000000c4dfc
[    9.571755][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cc0feb8
[    9.572023][  T201] RBP: ff1100000a071000 R08: 1fe2200001981fd8 R09: ff1100000517d180
[    9.572289][  T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.572545][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.572827][  T201] FS:  00007f17ac505840(0000) GS:ff110000ab2b0000(0000) knlGS:0000000000000000
[    9.573120][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.573356][  T201] CR2: 000055a7370676c0 CR3: 000000000a60f003 CR4: 0000000000771ef0
[    9.573615][  T201] PKRU: 55555554
[    9.573825][  T201] Call Trace:
[    9.574010][  T201]  <TASK>
[    9.574134][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.574334][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.574525][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.574727][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.574934][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.575144][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.575349][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.575538][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.575740][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.575942][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.576129][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.576333][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.576528][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.576954][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.577140][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.577340][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.577526][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.577756][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.577962][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578151][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.578346][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.578533][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.578728][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.578928][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.579150][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.579345][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.579535][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.579734][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.579934][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.580125][  T201]  ? 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))
[    9.580381][  T201]  ? 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))
[    9.580576][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.580826][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.581014][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.581208][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.581404][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.581609][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.581848][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.582078][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.582305][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.582524][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.582729][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.582932][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.583123][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.583329][  T201]  ? 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))
[    9.583518][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.583719][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.583940][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.584130][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.584328][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.584515][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.584714][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.584920][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.585139][  T201] RIP: 0033:0x7f17ac73f08e
[    9.585373][  T201] 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
[    9.585929][  T201] RSP: 002b:00007ffc5988e5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.586188][  T201] RAX: ffffffffffffffda RBX: 00007ffc5988ed68 RCX: 00007f17ac73f08e
[    9.586451][  T201] RDX: 0000000000000000 RSI: 00007ffc5988e680 RDI: 0000000000000005
[    9.586716][  T201] RBP: 00007ffc5988e5e0 R08: 0000000000000000 R09: 0000000000000000
[    9.586987][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8


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