======================================
| xx__-> [    9.913020][  T186] ------------[ cut here ]------------
| [    9.913420][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.913794][  T186] Modules linked in: veth
| [    9.914529][  T186] Tainted: [W]=WARN
[    9.914698][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.914964][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.915238][  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
[    9.915968][  T186] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.916232][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a9b4040 RCX: 1ff4000000116d8c
[    9.916541][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a9b40f8
[    9.916851][  T186] RBP: ff11000007c69000 R08: 1fe2200001536820 R09: ff1100000b6c5180
[    9.917166][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.917481][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004fabc00
[    9.917792][  T186] FS:  00007f4bdc3de840(0000) GS:ff110000a9730000(0000) knlGS:0000000000000000
[    9.918160][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.918422][  T186] CR2: 0000559b94b18bd8 CR3: 000000000cc77006 CR4: 0000000000771ef0
[    9.918727][  T186] PKRU: 55555554
[    9.918875][  T186] Call Trace:
[    9.919026][  T186]  <TASK>
[    9.919139][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.919399][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.919608][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.919765][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.919973][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.920188][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.920400][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.920608][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.920843][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.921045][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.921318][  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)
[    9.921571][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.921775][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.921979][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.922187][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.922398][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.922652][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.922860][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.923066][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.923315][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.923524][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.923731][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.923939][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.924161][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.924384][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.924593][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.924798][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.925005][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.925228][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.925452][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.925660][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.925865][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.926070][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.926281][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.926485][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.926700][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.926909][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.927119][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.927329][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.927547][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.927749][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.927953][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.928155][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.928365][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.928571][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.928772][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.928981][  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))
[    9.929192][  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))
[    9.929403][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.929613][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.929821][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.930027][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.930239][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.930447][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.930655][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.930862][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.931067][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.931329][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.931544][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.931748][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.931954][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.932191][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.932406][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.932609][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.932811][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.933019][  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)
[    9.933233][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.933445][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.933654][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.933857][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.934061][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.934222][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.934400][  T186] RIP: 0033:0x7f4bdc61808e
[    9.934562][  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
[    9.935055][  T186] RSP: 002b:00007fff4ab93270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.935279][  T186] RAX: ffffffffffffffda RBX: 00007fff4ab93a08 RCX: 00007f4bdc61808e
[    9.935488][  T186] RDX: 0000000000000000 RSI: 00007fff4ab93320 RDI: 0000000000000005
[    9.935696][  T186] RBP: 00007fff4ab93280 R08: 0000000000000000 R09: 0000000000000000
[    9.935904][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ba
[    9.936117][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4ab939e0
| [    9.944365][  T186] ------------[ cut here ]------------
| [    9.944518][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.944755][  T186] Modules linked in: veth
| [    9.945149][  T186] Tainted: [W]=WARN
[    9.945252][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.945931][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.946114][  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
[    9.946660][  T186] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.946835][  T186] RAX: 00000000ffffffa6 RBX: ff11000002658200 RCX: 1ff4000000116dfc
[    9.947038][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026582b8
[    9.947257][  T186] RBP: ff11000008831000 R08: 1fe22000004cb058 R09: ff1100000b6c5180
[    9.947523][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.947738][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.947943][  T186] FS:  00007f4bdc3de840(0000) GS:ff110000a9730000(0000) knlGS:0000000000000000
[    9.948196][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.948431][  T186] CR2: 0000559b94b18bd8 CR3: 000000000cc77006 CR4: 0000000000771ef0
[    9.948637][  T186] PKRU: 55555554
[    9.948740][  T186] Call Trace:
[    9.948841][  T186]  <TASK>
[    9.948913][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.949053][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.949172][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.949370][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.949506][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.949644][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.949784][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.949921][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.950072][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.950218][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.950415][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.950559][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.950706][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.950849][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.950987][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.951137][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.951335][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.951473][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.951617][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.951760][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.951900][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.952040][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.952188][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.952391][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.952531][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.952667][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.952806][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.952944][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.953093][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.953242][  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))
[    9.953455][  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))
[    9.953600][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.953747][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.953894][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.954040][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.954192][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.954405][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.954557][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.954701][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.954842][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.955014][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.955171][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.955376][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.955515][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.955667][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.955809][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.955948][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.956094][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.956243][  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)
[    9.956462][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.956614][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.956767][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.956917][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.957066][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.957221][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.957460][  T186] RIP: 0033:0x7f4bdc61808e
[    9.957611][  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
[    9.958113][  T186] RSP: 002b:00007fff4ab93270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.958388][  T186] RAX: ffffffffffffffda RBX: 00007fff4ab93a08 RCX: 00007f4bdc61808e
[    9.958594][  T186] RDX: 0000000000000000 RSI: 00007fff4ab93320 RDI: 0000000000000005
[    9.958801][  T186] RBP: 00007fff4ab93280 R08: 0000000000000000 R09: 0000000000000000
[    9.959005][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ba
[    9.959218][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4ab939e0
| [   10.107074][  T192] ------------[ cut here ]------------
| [   10.107257][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [   10.107514][  T192] Modules linked in: veth
| [   10.107923][  T192] Tainted: [W]=WARN
[   10.108072][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.108367][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.108680][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.109205][  T192] RSP: 0018:ffa00000004d6e30 EFLAGS: 00010286
[   10.109396][  T192] RAX: 00000000ffffffa6 RBX: ff11000008eb4e40 RCX: 1ff400000009ad8c
[   10.109609][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008eb4ef8
[   10.109835][  T192] RBP: ff1100000a24c000 R08: 1fe22000011d69e0 R09: ff1100000c37ae80
[   10.110045][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.110264][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c11e700
[   10.110480][  T192] FS:  00007fd8eb3b9840(0000) GS:ff110000a9730000(0000) knlGS:0000000000000000
[   10.110732][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.110913][  T192] CR2: 00007fd8eb720f6d CR3: 0000000004bb0002 CR4: 0000000000771ef0
[   10.111127][  T192] PKRU: 55555554
[   10.111235][  T192] Call Trace:
[   10.111346][  T192]  <TASK>
[   10.111419][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.111564][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.111670][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.111853][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   10.111996][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   10.112146][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.112296][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.112433][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.112574][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.112719][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.112862][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.113004][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.113148][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.113291][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.113434][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[   10.113576][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.113755][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.113899][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.114042][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.114211][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.114356][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.114497][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.114635][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.114795][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.114939][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.115080][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.115229][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.115374][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.115518][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.115662][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.115805][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.115945][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.116093][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.116232][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.116374][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.116518][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.116658][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.116797][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.116936][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.117077][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.117270][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.117460][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.117597][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.117743][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.117882][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.118021][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.118178][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.118358][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.118499][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.118641][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.118780][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.118918][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.119109][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.119253][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.119401][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.119542][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.119677][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.119847][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   10.119988][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   10.120133][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.120268][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.120421][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.120559][  T192]  __sys_sendmsg (net/socket.c:2784)
[   10.120696][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.120840][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.120977][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.121123][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.121265][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.121407][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.121549][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.121721][  T192] RIP: 0033:0x7fd8eb5f308e
[   10.121867][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.122373][  T192] RSP: 002b:00007fff342b8bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.122586][  T192] RAX: ffffffffffffffda RBX: 00007fff342b9348 RCX: 00007fd8eb5f308e
[   10.122792][  T192] RDX: 0000000000000000 RSI: 00007fff342b8c60 RDI: 0000000000000005
[   10.122999][  T192] RBP: 00007fff342b8bc0 R08: 0000000000000000 R09: 0000000000000000
[   10.123213][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ba
[   10.123425][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff342b9320
| [   10.132074][  T192] ------------[ cut here ]------------
| [   10.132242][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [   10.132484][  T192] Modules linked in: veth
| [   10.132983][  T192] Tainted: [W]=WARN
[   10.133097][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.133266][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.133530][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.134081][  T192] RSP: 0018:ffa00000004d71b0 EFLAGS: 00010286
[   10.134269][  T192] RAX: 00000000ffffffa6 RBX: ff110000090fa200 RCX: 1ff400000009adfc
[   10.134535][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090fa2b8
[   10.134742][  T192] RBP: ff1100000a1cc000 R08: 1fe220000121f458 R09: ff1100000c37ae80
[   10.134946][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.135162][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.135430][  T192] FS:  00007fd8eb3b9840(0000) GS:ff110000a9730000(0000) knlGS:0000000000000000
[   10.135667][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.135844][  T192] CR2: 00007fd8eb720f6d CR3: 0000000004bb0002 CR4: 0000000000771ef0
[   10.136048][  T192] PKRU: 55555554
[   10.136156][  T192] Call Trace:
[   10.136259][  T192]  <TASK>
[   10.136390][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.136529][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.136631][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   10.136769][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   10.136903][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.137036][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.137185][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.137380][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.137516][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.137652][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.137789][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.137929][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.138071][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.138214][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.138418][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.138555][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.138693][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.138835][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.138976][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.139120][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.139261][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.139460][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.139603][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.139742][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.139885][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.140019][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.140164][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.140361][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.140497][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.140638][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.140775][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.140912][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.141049][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.141190][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.141393][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.141531][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.141671][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.141815][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.141955][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.142099][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.142344][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   10.142484][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   10.142621][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.142760][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.142905][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.143044][  T192]  __sys_sendmsg (net/socket.c:2784)
[   10.143190][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.143394][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.143531][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.143670][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.143808][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.143947][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.144083][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.144261][  T192] RIP: 0033:0x7fd8eb5f308e
[   10.144474][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.144961][  T192] RSP: 002b:00007fff342b8bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.145174][  T192] RAX: ffffffffffffffda RBX: 00007fff342b9348 RCX: 00007fd8eb5f308e
[   10.145440][  T192] RDX: 0000000000000000 RSI: 00007fff342b8c60 RDI: 0000000000000005
[   10.145644][  T192] RBP: 00007fff342b8bc0 R08: 0000000000000000 R09: 0000000000000000
[   10.145848][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ba
[   10.146054][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff342b9320
| [   10.412093][  T208] ------------[ cut here ]------------
| [   10.412316][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [   10.412606][  T208] Modules linked in: veth
| [   10.413034][  T208] Tainted: [W]=WARN
[   10.413162][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.413371][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.413568][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.414111][  T208] RSP: 0018:ffa0000000726e30 EFLAGS: 00010286
[   10.414310][  T208] RAX: 00000000ffffffa6 RBX: ff11000008eb4ac0 RCX: 1ff40000000e4d8c
[   10.414531][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008eb4b78
[   10.414758][  T208] RBP: ff110000056f1000 R08: 1fe22000011d6970 R09: ff1100000c7d0b80
[   10.414973][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.415194][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008fbe700
[   10.415416][  T208] FS:  00007fbb6d6e4840(0000) GS:ff110000a95b0000(0000) knlGS:0000000000000000
[   10.415667][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.415851][  T208] CR2: 000000000042ebe0 CR3: 0000000004bb8004 CR4: 0000000000771ef0
[   10.416067][  T208] PKRU: 55555554
[   10.416181][  T208] Call Trace:
[   10.416297][  T208]  <TASK>
[   10.416371][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.416513][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.416656][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.416764][  T208]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.416915][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[   10.417057][  T208]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.417204][  T208]  ? 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)
[   10.417354][  T208]  ? netif_change_name (net/core/dev.c:1495)
[   10.417494][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.417636][  T208]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.417778][  T208]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.417921][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.418069][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.418232][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.418406][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.418565][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.419481][  T208]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.419638][  T208] veth_newlink (drivers/net/veth.c:1871) veth
[   10.419799][  T208]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.419991][  T208]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.420151][  T208]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.420311][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.420487][  T208]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.420643][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.420797][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.420961][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.421124][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.421281][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.421425][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.421583][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.421739][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.421898][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.422054][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.422218][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.422382][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.422535][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.422688][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.422839][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.423004][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.423167][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.423327][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.423482][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.423642][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.423793][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.423947][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.424098][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.424251][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.424406][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.424552][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.424705][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.424855][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.425004][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.425161][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.425320][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.425467][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.425620][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.425767][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.425921][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.426076][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.426242][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.426438][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[   10.426598][  T208]  ___sys_sendmsg (net/socket.c:2752)
[   10.426751][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.426904][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.427066][  T208]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.427292][  T208]  __sys_sendmsg (net/socket.c:2784)
[   10.427448][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.427608][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.427765][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.427921][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.428070][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.428228][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.428388][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.428570][  T208] RIP: 0033:0x7fbb6d91e08e
[   10.428720][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.429240][  T208] RSP: 002b:00007ffe57ddc3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.429465][  T208] RAX: ffffffffffffffda RBX: 00007ffe57ddcb78 RCX: 00007fbb6d91e08e
[   10.429695][  T208] RDX: 0000000000000000 RSI: 00007ffe57ddc490 RDI: 0000000000000005
[   10.429915][  T208] RBP: 00007ffe57ddc3f0 R08: 0000000000000000 R09: 0000000000000000
[   10.430147][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ba
[   10.430370][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe57ddcb50
| [   10.439100][  T208] ------------[ cut here ]------------
| [   10.439262][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [   10.440071][  T208] Modules linked in: veth
| [   10.440648][  T208] Tainted: [W]=WARN
[   10.440753][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.440921][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.441110][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.441660][  T208] RSP: 0018:ffa00000007271b0 EFLAGS: 00010286
[   10.441848][  T208] RAX: 00000000ffffffa6 RBX: ff110000090fa3c0 RCX: 1ff40000000e4dfc
[   10.442059][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090fa478
[   10.442348][  T208] RBP: ff11000007c91000 R08: 1fe220000121f490 R09: ff1100000c7d0b80
[   10.442566][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.442777][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.442997][  T208] FS:  00007fbb6d6e4840(0000) GS:ff110000a95b0000(0000) knlGS:0000000000000000
[   10.443265][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.443513][  T208] CR2: 000000000042ebe0 CR3: 0000000004bb8004 CR4: 0000000000771ef0
[   10.443726][  T208] PKRU: 55555554
[   10.443832][  T208] Call Trace:
[   10.443941][  T208]  <TASK>
[   10.444017][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.444172][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.444342][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[   10.444488][  T208]  ? netif_change_name (net/core/dev.c:1495)
[   10.444624][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.444767][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.444908][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.445062][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.445217][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.445429][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.445579][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.445732][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.445886][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.446027][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.446176][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.446383][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.446532][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.446674][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.446825][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.446971][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.447128][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.447347][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.447491][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.447632][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.447779][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.447927][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.448074][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.448230][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.448437][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.448587][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.448739][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.448884][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.449037][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.449183][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.449382][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.449527][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.449669][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.449826][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.449978][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.450134][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.450382][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[   10.450527][  T208]  ___sys_sendmsg (net/socket.c:2752)
[   10.450671][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.450817][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.450966][  T208]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.451121][  T208]  __sys_sendmsg (net/socket.c:2784)
[   10.451264][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.451476][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.451626][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.451769][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.451913][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.452058][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.452208][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.452439][  T208] RIP: 0033:0x7fbb6d91e08e
[   10.452583][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.453066][  T208] RSP: 002b:00007ffe57ddc3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.453340][  T208] RAX: ffffffffffffffda RBX: 00007ffe57ddcb78 RCX: 00007fbb6d91e08e
[   10.453544][  T208] RDX: 0000000000000000 RSI: 00007ffe57ddc490 RDI: 0000000000000005
[   10.453860][  T208] RBP: 00007ffe57ddc3f0 R08: 0000000000000000 R09: 0000000000000000
[   10.454073][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ba
[   10.454341][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe57ddcb50
| [   10.648557][  T216] ------------[ cut here ]------------
| [   10.648830][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/216
| [   10.649234][  T216] Modules linked in: veth
| [   10.650044][  T216] Tainted: [W]=WARN
[   10.650224][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.650510][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.650813][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.651639][  T216] RSP: 0018:ffa00000004a6e30 EFLAGS: 00010286
[   10.651922][  T216] RAX: 00000000ffffffa6 RBX: ff1100000b6dcc80 RCX: 1ff4000000094d8c
[   10.652255][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b6dcd38
[   10.652596][  T216] RBP: ff1100000754c000 R08: 1fe22000016db9a8 R09: ff1100000c1e2e80
[   10.652926][  T216] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.653263][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ee20400
[   10.653601][  T216] FS:  00007f8972f38840(0000) GS:ff110000a95b0000(0000) knlGS:0000000000000000
[   10.653991][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.654290][  T216] CR2: 000000000042ebe0 CR3: 000000000c196002 CR4: 0000000000771ef0
[   10.654631][  T216] PKRU: 55555554
[   10.654804][  T216] Call Trace:
[   10.654973][  T216]  <TASK>
[   10.655095][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.655333][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.655556][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.655727][  T216]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   10.656001][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.656223][  T216]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.656573][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   10.656810][  T216]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4511)
[   10.657044][  T216]  ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:117)
[   10.657301][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   10.657539][  T216]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   10.657833][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.658054][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.658285][  T216]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.658504][  T216] veth_newlink (drivers/net/veth.c:1871) veth
[   10.658731][  T216]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.658984][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.659210][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.659436][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.659687][  T216]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.659906][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.660131][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.660353][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.660571][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.660792][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.661013][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.661236][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.661443][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.661668][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.661893][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.662117][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.662342][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.662559][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.662775][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.662988][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.663215][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.663440][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.663656][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.663862][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.664071][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.664301][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.664525][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.664737][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.664954][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.665160][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.665311][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.665453][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.665592][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.665741][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.665881][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.666023][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.666175][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.666324][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.666464][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.666605][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.666750][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.666891][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.667063][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   10.667229][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   10.667375][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.667513][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.667662][  T216]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.667807][  T216]  __sys_sendmsg (net/socket.c:2784)
[   10.667950][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.668104][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.668250][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.668394][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.668534][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.668674][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.668818][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.668992][  T216] RIP: 0033:0x7f897317208e
[   10.669155][  T216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.669659][  T216] RSP: 002b:00007ffe9a003060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.669879][  T216] RAX: ffffffffffffffda RBX: 00007ffe9a0037f8 RCX: 00007f897317208e
[   10.670103][  T216] RDX: 0000000000000000 RSI: 00007ffe9a003110 RDI: 0000000000000005
[   10.670323][  T216] RBP: 00007ffe9a003070 R08: 0000000000000000 R09: 0000000000000000
[   10.670530][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ba
[   10.670742][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9a0037d0
| [   10.681873][  T216] ------------[ cut here ]------------
| [   10.682034][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/216
| [   10.682312][  T216] Modules linked in: veth
| [   10.682713][  T216] Tainted: [W]=WARN
[   10.682822][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.683001][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.683201][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.683907][  T216] RSP: 0018:ffa00000004a71b0 EFLAGS: 00010286
[   10.684086][  T216] RAX: 00000000ffffffa6 RBX: ff1100000ef0c200 RCX: 1ff4000000094dfc
[   10.684316][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ef0c2b8
[   10.684528][  T216] RBP: ff11000007f31000 R08: 1fe2200001de1858 R09: ff1100000c1e2e80
[   10.684738][  T216] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.684945][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.685158][  T216] FS:  00007f8972f38840(0000) GS:ff110000a95b0000(0000) knlGS:0000000000000000
[   10.685411][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.685585][  T216] CR2: 000000000042ebe0 CR3: 000000000c196002 CR4: 0000000000771ef0
[   10.685794][  T216] PKRU: 55555554
[   10.685898][  T216] Call Trace:
[   10.686003][  T216]  <TASK>
[   10.686075][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.686234][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.686347][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   10.686487][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   10.686628][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.686768][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.686907][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.687080][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.687232][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.687377][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.687513][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.687658][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.687802][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.687943][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.688082][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.688236][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.688381][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.688518][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.688660][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.688800][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.688937][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.689075][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.689230][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.689372][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.689512][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.689648][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.689788][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.689925][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.690064][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.690217][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.690358][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.690502][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.690639][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.690779][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.690918][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.691057][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.691213][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.691362][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.691504][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.691645][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.691813][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   10.691954][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   10.692093][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.692237][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.692393][  T216]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.692533][  T216]  __sys_sendmsg (net/socket.c:2784)
[   10.692674][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.692814][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.692950][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.693087][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.693238][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.693381][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.693516][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.693693][  T216] RIP: 0033:0x7f897317208e
[   10.693841][  T216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.694345][  T216] RSP: 002b:00007ffe9a003060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.694552][  T216] RAX: ffffffffffffffda RBX: 00007ffe9a0037f8 RCX: 00007f897317208e
[   10.694756][  T216] RDX: 0000000000000000 RSI: 00007ffe9a003110 RDI: 0000000000000005
[   10.694957][  T216] RBP: 00007ffe9a003070 R08: 0000000000000000 R09: 0000000000000000
[   10.695171][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ba


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