======================================
| xx__-> [   10.262064][  T186] ------------[ cut here ]------------
| [   10.262495][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   10.263075][  T186] Modules linked in: veth
| [   10.263949][  T186] Tainted: [W]=WARN
[   10.264263][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.264642][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.265024][  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
[   10.265999][  T186] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[   10.266347][  T186] RAX: 00000000ffffffa6 RBX: ff11000009120e40 RCX: 1ff4000000118d8c
[   10.266772][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009120ef8
[   10.267172][  T186] RBP: ff110000079d9000 R08: 1fe22000012241e0 R09: ff1100000bee2e80
[   10.267586][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.268018][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001f04b00
[   10.268432][  T186] FS:  00007fc9c2841840(0000) GS:ff1100008c0b0000(0000) knlGS:0000000000000000
[   10.268898][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.269237][  T186] CR2: 000055913e5683d8 CR3: 000000000ce14003 CR4: 0000000000771ef0
[   10.269649][  T186] PKRU: 55555554
[   10.269909][  T186] Call Trace:
[   10.270139][  T186]  <TASK>
[   10.270314][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.270683][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.270989][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.271219][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.271520][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.271811][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.272112][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.272392][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.272695][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.272994][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.273335][  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)
[   10.273695][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.273990][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.274280][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.274583][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.274880][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.275215][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.275516][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.275800][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.276128][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.276432][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.276745][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.277041][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.277328][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.277629][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.277920][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.278198][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.278496][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.278788][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.279090][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.279376][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.279671][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.279962][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.280240][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.280535][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.280833][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.281120][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.281400][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.281697][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.282016][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.282291][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.282615][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.282904][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.283185][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.283477][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.283754][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.284071][  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))
[   10.284349][  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))
[   10.284649][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.284940][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.285222][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.285526][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.285797][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.286097][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.286379][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.286679][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.286964][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.287286][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.287586][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.287891][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.288167][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.288486][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.288770][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.289074][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.289373][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.289685][  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)
[   10.289975][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.290259][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.290560][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.290849][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.291134][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.291438][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.291774][  T186] RIP: 0033:0x7fc9c2a7b08e
[   10.292095][  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
[   10.292978][  T186] RSP: 002b:00007ffe6fc1e4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.293373][  T186] RAX: ffffffffffffffda RBX: 00007ffe6fc1ec48 RCX: 00007fc9c2a7b08e
[   10.293777][  T186] RDX: 0000000000000000 RSI: 00007ffe6fc1e560 RDI: 0000000000000005
[   10.294175][  T186] RBP: 00007ffe6fc1e4c0 R08: 0000000000000000 R09: 0000000000000000
[   10.294582][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc94
[   10.295011][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6fc1ec20
| [   10.308143][  T186] ------------[ cut here ]------------
| [   10.308397][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   10.308716][  T186] Modules linked in: veth
| [   10.309233][  T186] Tainted: [W]=WARN
[   10.309391][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.309783][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.310132][  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
[   10.310839][  T186] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[   10.311190][  T186] RAX: 00000000ffffffa6 RBX: ff11000001f39000 RCX: 1ff4000000118dfc
[   10.311479][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f390b8
[   10.311750][  T186] RBP: ff1100000a00c000 R08: 1fe22000003e7218 R09: ff1100000bee2e80
[   10.312059][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.312333][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.312621][  T186] FS:  00007fc9c2841840(0000) GS:ff1100008c0b0000(0000) knlGS:0000000000000000
[   10.312946][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.313184][  T186] CR2: 000055913e5683d8 CR3: 000000000ce14003 CR4: 0000000000771ef0
[   10.313469][  T186] PKRU: 55555554
[   10.313629][  T186] Call Trace:
[   10.313791][  T186]  <TASK>
[   10.313927][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.314129][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.314293][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.314507][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.314730][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.314932][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.315139][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.315345][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.315558][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.315752][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.315957][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.316161][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.316380][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.316591][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.316787][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.316992][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.317183][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.317401][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.317612][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.317815][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.318010][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.318208][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.318401][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.318607][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.318812][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.319006][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.319206][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.319401][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.319616][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.319822][  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))
[   10.320019][  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))
[   10.320217][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.320430][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.320625][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.320830][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.321029][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.321225][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.321439][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.321635][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.321851][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.322080][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.322280][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.322495][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.322690][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.322905][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.323103][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.323300][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.323537][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.323735][  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)
[   10.323942][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.324137][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.324332][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.324538][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.324735][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.324981][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.325211][  T186] RIP: 0033:0x7fc9c2a7b08e
[   10.325429][  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
[   10.325990][  T186] RSP: 002b:00007ffe6fc1e4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.326261][  T186] RAX: ffffffffffffffda RBX: 00007ffe6fc1ec48 RCX: 00007fc9c2a7b08e
[   10.326542][  T186] RDX: 0000000000000000 RSI: 00007ffe6fc1e560 RDI: 0000000000000005
[   10.326814][  T186] RBP: 00007ffe6fc1e4c0 R08: 0000000000000000 R09: 0000000000000000
[   10.327075][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc94
[   10.327338][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6fc1ec20
| [   10.583200][  T197] ------------[ cut here ]------------
| [   10.583547][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/197
| [   10.584022][  T197] Modules linked in: veth
| [   10.584820][  T197] Tainted: [W]=WARN
[   10.585047][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.585364][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.585717][  T197] 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
[   10.586474][  T197] RSP: 0018:ffa0000000866e30 EFLAGS: 00010286
[   10.586799][  T197] RAX: 00000000ffffffa6 RBX: ff1100000e267c40 RCX: 1ff400000010cd8c
[   10.587200][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e267cf8
[   10.587554][  T197] RBP: ff1100000bfb9000 R08: 1fe2200001c4cfa0 R09: ff1100000bf8d180
[   10.587891][  T197] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.588273][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000950e380
[   10.588666][  T197] FS:  00007f84317d1840(0000) GS:ff1100008c0b0000(0000) knlGS:0000000000000000
[   10.589000][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.589312][  T197] CR2: 000000000042ebe0 CR3: 000000000ce26001 CR4: 0000000000771ef0
[   10.589707][  T197] PKRU: 55555554
[   10.589936][  T197] Call Trace:
[   10.590128][  T197]  <TASK>
[   10.590255][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.590474][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.590639][  T197]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.590878][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   10.591094][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   10.591289][  T197]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.591499][  T197]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.591694][  T197]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.591901][  T197]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.592152][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.592363][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.592697][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.592972][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.593326][  T197]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.593670][  T197] veth_newlink (drivers/net/veth.c:1871) veth
[   10.594052][  T197]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.594583][  T197]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.594897][  T197]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.595191][  T197]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.595538][  T197]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.595878][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.596288][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.596587][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.596846][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.597114][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.597316][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.597526][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.597723][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.597935][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.598193][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.598462][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.598665][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.598944][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.599166][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.599364][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.599965][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.600167][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.600373][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.600583][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.600778][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.600983][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.601181][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.601697][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.601909][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.602109][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.602311][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.602526][  T197]  ? 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))
[   10.602721][  T197]  ? 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))
[   10.602931][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.603130][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.603327][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.603541][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.603744][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.603952][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.604155][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.604355][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.604567][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.604799][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   10.605010][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   10.605206][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.605405][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.605626][  T197]  ? 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))
[   10.605833][  T197]  __sys_sendmsg (net/socket.c:2784)
[   10.606031][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.606233][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.606500][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.606703][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.606929][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.607131][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.607330][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.607575][  T197] RIP: 0033:0x7f8431a0b08e
[   10.607780][  T197] 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
[   10.608787][  T197] RSP: 002b:00007ffd9c4e8190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.609070][  T197] RAX: ffffffffffffffda RBX: 00007ffd9c4e8928 RCX: 00007f8431a0b08e
[   10.609339][  T197] RDX: 0000000000000000 RSI: 00007ffd9c4e8240 RDI: 0000000000000005
[   10.609622][  T197] RBP: 00007ffd9c4e81a0 R08: 0000000000000000 R09: 0000000000000000
[   10.609900][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc94
[   10.610174][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9c4e8900
| [   10.652398][  T197] ------------[ cut here ]------------
| [   10.652793][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/197
| [   10.653060][  T197] Modules linked in: veth
| [   10.653626][  T197] Tainted: [W]=WARN
[   10.653736][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.653922][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.654115][  T197] 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
[   10.654739][  T197] RSP: 0018:ffa00000008671b0 EFLAGS: 00010286
[   10.655032][  T197] RAX: 00000000ffffffa6 RBX: ff1100000aed78c0 RCX: 1ff400000010cdfc
[   10.655246][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aed7978
[   10.655560][  T197] RBP: ff11000004d5c000 R08: 1fe22000015daf30 R09: ff1100000bf8d180
[   10.655771][  T197] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.655991][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.656209][  T197] FS:  00007f84317d1840(0000) GS:ff1100008bfb0000(0000) knlGS:0000000000000000
[   10.656574][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.656757][  T197] CR2: 000055913e5236c8 CR3: 000000000ce26005 CR4: 0000000000771ef0
[   10.656975][  T197] PKRU: 55555554
[   10.657081][  T197] Call Trace:
[   10.657188][  T197]  <TASK>
[   10.657263][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.657410][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.657616][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   10.657761][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   10.657909][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.658051][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.658203][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.658346][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.658504][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.658647][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.658790][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.658940][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.659086][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.659230][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.659376][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.659527][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.659672][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.659820][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.659967][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.660116][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.660260][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.660408][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.660555][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.660699][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.660850][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.660991][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.661136][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.661282][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.661430][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.661577][  T197]  ? 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))
[   10.661721][  T197]  ? 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))
[   10.661869][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.662031][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.662173][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.662319][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.662472][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.662619][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.662766][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.662913][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.663059][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.663234][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   10.663381][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   10.663527][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.663668][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.663823][  T197]  ? 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))
[   10.663971][  T197]  __sys_sendmsg (net/socket.c:2784)
[   10.664114][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.664260][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.664402][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.664555][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.664696][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.664843][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.664984][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.665162][  T197] RIP: 0033:0x7f8431a0b08e
[   10.665314][  T197] 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
[   10.665871][  T197] RSP: 002b:00007ffd9c4e8190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.666083][  T197] RAX: ffffffffffffffda RBX: 00007ffd9c4e8928 RCX: 00007f8431a0b08e
[   10.666299][  T197] RDX: 0000000000000000 RSI: 00007ffd9c4e8240 RDI: 0000000000000005
[   10.666517][  T197] RBP: 00007ffd9c4e81a0 R08: 0000000000000000 R09: 0000000000000000
[   10.666750][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc94
[   10.667056][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9c4e8900
| [   10.871959][  T209] ------------[ cut here ]------------
| [   10.872162][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [   10.872898][  T209] Modules linked in: veth
| [   10.873351][  T209] Tainted: [W]=WARN
[   10.873465][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.873648][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.873844][  T209] 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
[   10.874362][  T209] RSP: 0018:ffa0000000656e30 EFLAGS: 00010286
[   10.874552][  T209] RAX: 00000000ffffffa6 RBX: ff1100000c79f1c0 RCX: 1ff40000000cad8c
[   10.874769][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c79f278
[   10.874988][  T209] RBP: ff1100000998c000 R08: 1fe22000018f3e50 R09: ff11000004ddae80
[   10.875206][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.875452][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008dace80
[   10.875678][  T209] FS:  00007f5244c19840(0000) GS:ff1100008bfb0000(0000) knlGS:0000000000000000
[   10.875942][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.876126][  T209] CR2: 00007f5244f80f6d CR3: 0000000005cba001 CR4: 0000000000771ef0
[   10.876348][  T209] PKRU: 55555554
[   10.876483][  T209] Call Trace:
[   10.876601][  T209]  <TASK>
[   10.876680][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.876834][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.876982][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.877120][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.877271][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.877690][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.877841][  T209]  ? 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)
[   10.878009][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.878153][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.878298][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.878462][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.878624][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.878771][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.878939][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.879092][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.879242][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.879393][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.879562][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   10.879720][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.879925][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.880080][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.880228][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.880409][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.880600][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.880761][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.880923][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.881085][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.881244][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.881432][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.881604][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.881748][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.881905][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.882055][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.882215][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.882360][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.882529][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.882674][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.882839][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.882993][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.883137][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.883281][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.883429][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.883581][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.883727][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.883883][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.884031][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.884182][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.884328][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.884477][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.884624][  T209]  ? 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))
[   10.884766][  T209]  ? 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))
[   10.884934][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.885077][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.885234][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.885394][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.885555][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.885700][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.885853][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.886001][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.886150][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.886333][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.886487][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.886634][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.886782][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.886947][  T209]  ? 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))
[   10.887094][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.887258][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.887421][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.887585][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.887732][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.887902][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.888054][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.888217][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.888429][  T209] RIP: 0033:0x7f5244e5308e
[   10.888593][  T209] 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
[   10.889114][  T209] RSP: 002b:00007fff467e6910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.889332][  T209] RAX: ffffffffffffffda RBX: 00007fff467e70a8 RCX: 00007f5244e5308e
[   10.889553][  T209] RDX: 0000000000000000 RSI: 00007fff467e69c0 RDI: 0000000000000005
[   10.889767][  T209] RBP: 00007fff467e6920 R08: 0000000000000000 R09: 0000000000000000
[   10.889987][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc95
[   10.890203][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff467e7080
| [   10.898863][  T209] ------------[ cut here ]------------
| [   10.899035][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [   10.899315][  T209] Modules linked in: veth
| [   10.899922][  T209] Tainted: [W]=WARN
[   10.900030][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.900234][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.900426][  T209] 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
[   10.900943][  T209] RSP: 0018:ffa00000006571b0 EFLAGS: 00010286
[   10.901135][  T209] RAX: 00000000ffffffa6 RBX: ff1100000274c580 RCX: 1ff40000000cadfc
[   10.901376][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000274c638
[   10.901594][  T209] RBP: ff1100000a0e4000 R08: 1fe22000004e98c8 R09: ff11000004ddae80
[   10.901804][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.902023][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.902236][  T209] FS:  00007f5244c19840(0000) GS:ff1100008bfb0000(0000) knlGS:0000000000000000
[   10.902494][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.902672][  T209] CR2: 00007f5244f80f6d CR3: 0000000005cba001 CR4: 0000000000771ef0
[   10.902913][  T209] PKRU: 55555554
[   10.903024][  T209] Call Trace:
[   10.903147][  T209]  <TASK>
[   10.903226][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.903372][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.903487][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.903631][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.903775][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.903921][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.904066][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.904208][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.904353][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.904530][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.904675][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.904827][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.904972][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.905115][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.905276][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.905429][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.905587][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.905726][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.905876][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.906017][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.906158][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.906303][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.906451][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.906601][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.906748][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.906892][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.907060][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.907205][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.907367][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.907522][  T209]  ? 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))
[   10.907663][  T209]  ? 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))
[   10.907833][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.907980][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.908121][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.908264][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.908409][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.908558][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.908706][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.908871][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.909034][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.909209][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.909358][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.909502][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.909641][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.909795][  T209]  ? 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))
[   10.909970][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.910114][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.910259][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.910424][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.910592][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.910733][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.910881][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.911024][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.911199][  T209] RIP: 0033:0x7f5244e5308e
[   10.911349][  T209] 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
[   10.911911][  T209] RSP: 002b:00007fff467e6910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.912129][  T209] RAX: ffffffffffffffda RBX: 00007fff467e70a8 RCX: 00007f5244e5308e
[   10.912362][  T209] RDX: 0000000000000000 RSI: 00007fff467e69c0 RDI: 0000000000000005
[   10.912583][  T209] RBP: 00007fff467e6920 R08: 0000000000000000 R09: 0000000000000000
[   10.912793][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc95


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