======================================
| xx__-> [    9.244873][  T186] ------------[ cut here ]------------
| [    9.245116][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.245376][  T186] Modules linked in: veth
| [    9.245813][  T186] Tainted: [W]=WARN
[    9.245969][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.246158][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.246351][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.246876][  T186] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.247066][  T186] RAX: 00000000ffffffa6 RBX: ff11000008cab8c0 RCX: 1ff4000000116d8c
[    9.247322][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cab978
[    9.247544][  T186] RBP: ff11000007f81000 R08: 1fe2200001195730 R09: ff1100000cf8d180
[    9.247759][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.247985][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d68aa80
[    9.248212][  T186] FS:  00007fb23eba6840(0000) GS:ff1100007c7b0000(0000) knlGS:0000000000000000
[    9.248471][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.248757][  T186] CR2: 00007fd12bda6808 CR3: 000000000ce4d003 CR4: 0000000000771ef0
[    9.249085][  T186] PKRU: 55555554
[    9.249197][  T186] Call Trace:
[    9.249309][  T186]  <TASK>
[    9.249385][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.249665][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.250007][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.250119][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.250364][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.250604][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.250748][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.250901][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.251053][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.251200][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.251384][  T186]  ? 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)
[    9.251570][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.251721][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.251874][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.252025][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.252171][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.252352][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.252501][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.252645][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.252806][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.252957][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.253201][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.253347][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.253591][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.253736][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.253889][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.254038][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.254180][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.254340][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.254489][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.254633][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.254776][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.255029][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.255172][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.255318][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.255469][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.255616][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.255758][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.256017][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.256161][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.256305][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.256451][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.256594][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.256737][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.256988][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.257231][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.257378][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.257520][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.257664][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.257808][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.258054][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.258199][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.258344][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.258488][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.258633][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.258965][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.259112][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.259382][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.259533][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.259675][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.259816][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.260070][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.260214][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.260356][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.260502][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.260646][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.260789][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.261031][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.261175][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.261317][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.261463][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.261606][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.261783][  T186] RIP: 0033:0x7fb23ede008e
[    9.262492][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.263121][  T186] RSP: 002b:00007ffdb925ea40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.263340][  T186] RAX: ffffffffffffffda RBX: 00007ffdb925f1d8 RCX: 00007fb23ede008e
[    9.263557][  T186] RDX: 0000000000000000 RSI: 00007ffdb925eaf0 RDI: 0000000000000005
[    9.263767][  T186] RBP: 00007ffdb925ea50 R08: 0000000000000000 R09: 0000000000000000
[    9.264300][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86b
[    9.264613][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb925f1b0
| [    9.279265][  T186] ------------[ cut here ]------------
| [    9.279427][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [    9.279663][  T186] Modules linked in: veth
| [    9.280067][  T186] Tainted: [W]=WARN
[    9.280178][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.280353][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.280532][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.281028][  T186] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.281202][  T186] RAX: 00000000ffffffa6 RBX: ff11000009342e40 RCX: 1ff4000000116dfc
[    9.281426][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009342ef8
[    9.281629][  T186] RBP: ff1100000994c000 R08: 1fe22000012685e0 R09: ff1100000cf8d180
[    9.281832][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.282049][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.282254][  T186] FS:  00007fb23eba6840(0000) GS:ff1100007c830000(0000) knlGS:0000000000000000
[    9.282497][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.282666][  T186] CR2: 00007f631ddc8580 CR3: 000000000ce4d006 CR4: 0000000000771ef0
[    9.282875][  T186] PKRU: 55555554
[    9.282977][  T186] Call Trace:
[    9.283085][  T186]  <TASK>
[    9.283159][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.283298][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.283408][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.283543][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.283679][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.283815][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.283957][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.284100][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.284237][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.284374][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.284512][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.284653][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.284793][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.284934][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.285076][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.285212][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.285346][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.285485][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.285624][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.285761][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.285903][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.286046][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.286180][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.286316][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.286457][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.286593][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.286732][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.286873][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.287017][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.287157][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.287291][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.287433][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.287573][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.287708][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.287850][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.287988][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.288133][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.288275][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.288414][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.288551][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.288722][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.288871][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.289020][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.289156][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.289306][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.289446][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.289583][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.289719][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.289896][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.290039][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.290175][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.290315][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.290452][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.290589][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.290727][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.290956][  T186] RIP: 0033:0x7fb23ede008e
[    9.291219][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.291712][  T186] RSP: 002b:00007ffdb925ea40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.292031][  T186] RAX: ffffffffffffffda RBX: 00007ffdb925f1d8 RCX: 00007fb23ede008e
[    9.292240][  T186] RDX: 0000000000000000 RSI: 00007ffdb925eaf0 RDI: 0000000000000005
[    9.292446][  T186] RBP: 00007ffdb925ea50 R08: 0000000000000000 R09: 0000000000000000
[    9.292649][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86b
[    9.292958][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb925f1b0
| [    9.467984][  T193] ------------[ cut here ]------------
| [    9.468172][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.468433][  T193] Modules linked in: veth
| [    9.468833][  T193] Tainted: [W]=WARN
[    9.468948][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.469133][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.469320][  T193] 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
[    9.469822][  T193] RSP: 0018:ffa00000005c6e30 EFLAGS: 00010286
[    9.470010][  T193] RAX: 00000000ffffffa6 RBX: ff1100000cfcb380 RCX: 1ff40000000b8d8c
[    9.470220][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cfcb438
[    9.470432][  T193] RBP: ff1100000c891000 R08: 1fe22000019f9688 R09: ff1100000caa5180
[    9.470641][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.470857][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ca5bc00
[    9.471071][  T193] FS:  00007f5e93d50840(0000) GS:ff1100007c930000(0000) knlGS:0000000000000000
[    9.471318][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.471498][  T193] CR2: 000000000042ebe0 CR3: 000000000ba2c001 CR4: 0000000000771ef0
[    9.471707][  T193] PKRU: 55555554
[    9.471810][  T193] Call Trace:
[    9.471920][  T193]  <TASK>
[    9.472047][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.472189][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.472295][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.472473][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.472612][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.472748][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.472890][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.473033][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.473173][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.473315][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.473461][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.473600][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.473740][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.473887][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.474034][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.474178][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.474351][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.474496][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.474634][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.474790][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.474938][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.475086][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.475225][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.475369][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.475514][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.475654][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.475792][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.475937][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.476088][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.476231][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.476371][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.476514][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.476656][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.476798][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.476941][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.477098][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.477238][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.477378][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.477517][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.477657][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.477794][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.477940][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.478082][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.478220][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.478359][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.478500][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.478643][  T193]  ? 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))
[    9.478781][  T193]  ? 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))
[    9.478926][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.479071][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.479209][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.479348][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.479492][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.479631][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.479774][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.479919][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.480062][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.480232][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.480375][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.480514][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.480652][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.480801][  T193]  ? 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))
[    9.480948][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.481094][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.481235][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.481374][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.481515][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.481653][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.481793][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.481940][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.482117][  T193] RIP: 0033:0x7f5e93f8a08e
[    9.482262][  T193] 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
[    9.482752][  T193] RSP: 002b:00007ffeafb2d8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.482969][  T193] RAX: ffffffffffffffda RBX: 00007ffeafb2e088 RCX: 00007f5e93f8a08e
[    9.483180][  T193] RDX: 0000000000000000 RSI: 00007ffeafb2d9a0 RDI: 0000000000000005
[    9.483385][  T193] RBP: 00007ffeafb2d900 R08: 0000000000000000 R09: 0000000000000000
[    9.483596][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86b
[    9.483803][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeafb2e060
| [    9.491525][  T193] ------------[ cut here ]------------
| [    9.491673][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.491919][  T193] Modules linked in: veth
| [    9.492309][  T193] Tainted: [W]=WARN
[    9.492412][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.492582][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.492758][  T193] 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
[    9.493260][  T193] RSP: 0018:ffa00000005c71b0 EFLAGS: 00010286
[    9.493434][  T193] RAX: 00000000ffffffa6 RBX: ff1100000c0111c0 RCX: 1ff40000000b8dfc
[    9.493636][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c011278
[    9.493837][  T193] RBP: ff1100000c8ec000 R08: 1fe2200001802250 R09: ff1100000caa5180
[    9.494048][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.494249][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.494456][  T193] FS:  00007f5e93d50840(0000) GS:ff1100007c930000(0000) knlGS:0000000000000000
[    9.494690][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.494866][  T193] CR2: 000000000042ebe0 CR3: 000000000ba2c001 CR4: 0000000000771ef0
[    9.495073][  T193] PKRU: 55555554
[    9.495173][  T193] Call Trace:
[    9.495277][  T193]  <TASK>
[    9.495347][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.495488][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.495593][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.495728][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.495871][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.496012][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.496149][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.496289][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.496429][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.496566][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.496701][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.496848][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.496987][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.497131][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.497268][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.497407][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.497540][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.497674][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.497830][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.498037][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.498173][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.498309][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.498446][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.498582][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.498718][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.498909][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.499052][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.499188][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.499330][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.499472][  T193]  ? 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))
[    9.499607][  T193]  ? 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))
[    9.499744][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.499937][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.500132][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.500271][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.500411][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.500548][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.500685][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.500821][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.501022][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.501190][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.501332][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.501472][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.501613][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.501758][  T193]  ? 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))
[    9.501954][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.502097][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.502235][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.502372][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.502513][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.502648][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.502784][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.502975][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.503149][  T193] RIP: 0033:0x7f5e93f8a08e
[    9.503291][  T193] 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
[    9.503771][  T193] RSP: 002b:00007ffeafb2d8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.504040][  T193] RAX: ffffffffffffffda RBX: 00007ffeafb2e088 RCX: 00007f5e93f8a08e
[    9.504242][  T193] RDX: 0000000000000000 RSI: 00007ffeafb2d9a0 RDI: 0000000000000005
[    9.504444][  T193] RBP: 00007ffeafb2d900 R08: 0000000000000000 R09: 0000000000000000
[    9.504643][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86b
[    9.504902][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeafb2e060
| [    9.687239][  T200] ------------[ cut here ]------------
| [    9.687418][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.687668][  T200] Modules linked in: veth
| [    9.688085][  T200] Tainted: [W]=WARN
[    9.688193][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.688371][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.688558][  T200] 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
[    9.689074][  T200] RSP: 0018:ffa0000000616e30 EFLAGS: 00010286
[    9.689254][  T200] RAX: 00000000ffffffa6 RBX: ff1100000ab14580 RCX: 1ff40000000c2d8c
[    9.689468][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab14638
[    9.689680][  T200] RBP: ff11000009019000 R08: 1fe22000015628c8 R09: ff11000001eeae80
[    9.689898][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.690112][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000561b500
[    9.690326][  T200] FS:  00007f49f6474840(0000) GS:ff1100007c930000(0000) knlGS:0000000000000000
[    9.690577][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.690756][  T200] CR2: 000000000042ebe0 CR3: 000000000d579001 CR4: 0000000000771ef0
[    9.690973][  T200] PKRU: 55555554
[    9.691083][  T200] Call Trace:
[    9.691189][  T200]  <TASK>
[    9.691264][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.691412][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.691556][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.691663][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.691805][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.691951][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.692096][  T200]  ? 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)
[    9.692237][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.692389][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.692538][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.692677][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.692816][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.692960][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.693105][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.693246][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.693384][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.693528][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.693669][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.693812][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.693992][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.694140][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.694279][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.694437][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.694578][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.694720][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.694865][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.695012][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.695154][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.695294][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.695436][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.695576][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.695722][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.695870][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.696019][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.696158][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.696296][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.696439][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.696576][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.696720][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.696866][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.697011][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.697151][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.697292][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.697436][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.697577][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.697716][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.697861][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.698006][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.698148][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.698292][  T200]  ? 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))
[    9.698433][  T200]  ? 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))
[    9.698573][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.698714][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.698857][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.699003][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.699144][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.699286][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.699432][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.699571][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.699708][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.699884][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.700034][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.700173][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.700313][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.700465][  T200]  ? 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))
[    9.700607][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.700746][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.700893][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.701041][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.701181][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.701320][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.701464][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.701603][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.701774][  T200] RIP: 0033:0x7f49f66ae08e
[    9.701926][  T200] 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
[    9.702431][  T200] RSP: 002b:00007ffc89a4b000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.702642][  T200] RAX: ffffffffffffffda RBX: 00007ffc89a4b798 RCX: 00007f49f66ae08e
[    9.702853][  T200] RDX: 0000000000000000 RSI: 00007ffc89a4b0b0 RDI: 0000000000000005
[    9.703065][  T200] RBP: 00007ffc89a4b010 R08: 0000000000000000 R09: 0000000000000000
[    9.703274][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86c
[    9.703481][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc89a4b770
| [    9.711305][  T200] ------------[ cut here ]------------
| [    9.711457][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.711692][  T200] Modules linked in: veth
| [    9.712130][  T200] Tainted: [W]=WARN
[    9.712233][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.712405][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.712581][  T200] 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
[    9.713075][  T200] RSP: 0018:ffa00000006171b0 EFLAGS: 00010286
[    9.713249][  T200] RAX: 00000000ffffffa6 RBX: ff1100000ab1d540 RCX: 1ff40000000c2dfc
[    9.713453][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab1d5f8
[    9.713655][  T200] RBP: ff1100000cf6c000 R08: 1fe2200001563ac0 R09: ff11000001eeae80
[    9.713865][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.714074][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.714276][  T200] FS:  00007f49f6474840(0000) GS:ff1100007c930000(0000) knlGS:0000000000000000
[    9.714514][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.714682][  T200] CR2: 000000000042ebe0 CR3: 000000000d579001 CR4: 0000000000771ef0
[    9.714889][  T200] PKRU: 55555554
[    9.714993][  T200] Call Trace:
[    9.715099][  T200]  <TASK>
[    9.715169][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.715308][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.715414][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.715550][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.715686][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.715823][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.715968][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.716112][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.716251][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.716384][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.716522][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.716663][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.716804][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.716949][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.717093][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.717231][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.717368][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.717519][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.717659][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.717795][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.717993][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.718193][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.718330][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.718470][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.718606][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.718742][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.718937][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.719075][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.719209][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.719351][  T200]  ? 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))
[    9.719489][  T200]  ? 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))
[    9.719625][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.719761][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.719953][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.720095][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.720231][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.720368][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.720508][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.720643][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.720778][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.721006][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.721147][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.721281][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.721430][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.721573][  T200]  ? 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))
[    9.721710][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.721902][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.722047][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.722181][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.722316][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.722451][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.722586][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.722719][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.722940][  T200] RIP: 0033:0x7f49f66ae08e
[    9.723085][  T200] 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
[    9.723562][  T200] RSP: 002b:00007ffc89a4b000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.723763][  T200] RAX: ffffffffffffffda RBX: 00007ffc89a4b798 RCX: 00007f49f66ae08e
[    9.724026][  T200] RDX: 0000000000000000 RSI: 00007ffc89a4b0b0 RDI: 0000000000000005
[    9.724226][  T200] RBP: 00007ffc89a4b010 R08: 0000000000000000 R09: 0000000000000000
[    9.724430][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86c


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