======================================
| xx__-> [    9.493260][  T186] ------------[ cut here ]------------
| [    9.493483][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [    9.493740][  T186] Modules linked in: veth
| [    9.494230][  T186] Tainted: [W]=WARN
[    9.494342][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.494519][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.494702][  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
[    9.495339][  T186] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.495517][  T186] RAX: 00000000ffffffa6 RBX: ff1100000ba698c0 RCX: 1ff4000000116d8c
[    9.495723][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba69978
[    9.495996][  T186] RBP: ff1100000a054000 R08: 1fe220000174d330 R09: ff1100000cf88b80
[    9.496206][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.496415][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ba3cb00
[    9.496624][  T186] FS:  00007fa66b833840(0000) GS:ff1100009e430000(0000) knlGS:0000000000000000
[    9.496892][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.497131][  T186] CR2: 00007fc17ee2a808 CR3: 000000000ccca006 CR4: 0000000000771ef0
[    9.497343][  T186] PKRU: 55555554
[    9.497451][  T186] Call Trace:
[    9.497554][  T186]  <TASK>
[    9.497626][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.497807][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.498006][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.498111][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.498254][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.498401][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.498540][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.498678][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.498820][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.499041][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.499206][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.499350][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.499489][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.499627][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.499773][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.499964][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.500137][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.500298][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.500446][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.500600][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.500743][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.500886][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.501086][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.501227][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.501370][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.501512][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.501650][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.501792][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.501995][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.502138][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.502277][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.502420][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.502559][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.502698][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.502841][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.503019][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.503159][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.503297][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.503442][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.503581][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.503719][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.503863][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.504006][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.504145][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.504310][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.504453][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.504594][  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))
[    9.504731][  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))
[    9.504876][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.505019][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.505156][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.505302][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.505446][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.505585][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.505726][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.505869][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.506014][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.506191][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.506338][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.506477][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.506614][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.506768][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.506913][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.507053][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.507225][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.507372][  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)
[    9.507513][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.507652][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.507794][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.507937][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.508078][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.508217][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.508395][  T186] RIP: 0033:0x7fa66ba6d08e
[    9.508540][  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
[    9.509038][  T186] RSP: 002b:00007ffc4d95b4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.509247][  T186] RAX: ffffffffffffffda RBX: 00007ffc4d95bc68 RCX: 00007fa66ba6d08e
[    9.509460][  T186] RDX: 0000000000000000 RSI: 00007ffc4d95b580 RDI: 0000000000000005
[    9.509666][  T186] RBP: 00007ffc4d95b4e0 R08: 0000000000000000 R09: 0000000000000000
[    9.509878][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc51
[    9.510088][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4d95bc40
| [    9.518368][  T186] ------------[ cut here ]------------
| [    9.518548][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.518791][  T186] Modules linked in: veth
| [    9.519183][  T186] Tainted: [W]=WARN
[    9.519285][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.519463][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.519641][  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
[    9.520139][  T186] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.520312][  T186] RAX: 00000000ffffffa6 RBX: ff11000009b54040 RCX: 1ff4000000116dfc
[    9.520521][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b540f8
[    9.520721][  T186] RBP: ff1100000a0fc000 R08: 1fe220000136a820 R09: ff1100000cf88b80
[    9.520933][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.521135][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.521345][  T186] FS:  00007fa66b833840(0000) GS:ff1100009e3b0000(0000) knlGS:0000000000000000
[    9.521586][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.521763][  T186] CR2: 00007f56e03a7808 CR3: 000000000ccca001 CR4: 0000000000771ef0
[    9.521974][  T186] PKRU: 55555554
[    9.522076][  T186] Call Trace:
[    9.522177][  T186]  <TASK>
[    9.522248][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.522394][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.522500][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.522636][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.522779][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.522977][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.523117][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.523253][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.523397][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.523534][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.523669][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.523818][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.524017][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.524160][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.524301][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.524446][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.524582][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.524718][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.524862][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.525062][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.525199][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.525342][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.525480][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.525617][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.525760][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.525896][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.526138][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.526278][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.526421][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.526565][  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))
[    9.526702][  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))
[    9.526848][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.527089][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.527227][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.527371][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.527510][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.527648][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.527792][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.528037][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.528173][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.528346][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.528489][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.528624][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.528765][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.529021][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.529158][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.529296][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.529439][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.529577][  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)
[    9.529713][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.529856][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.530037][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.530173][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.530310][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.530455][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.530623][  T186] RIP: 0033:0x7fa66ba6d08e
[    9.530772][  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
[    9.531260][  T186] RSP: 002b:00007ffc4d95b4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.531473][  T186] RAX: ffffffffffffffda RBX: 00007ffc4d95bc68 RCX: 00007fa66ba6d08e
[    9.531677][  T186] RDX: 0000000000000000 RSI: 00007ffc4d95b580 RDI: 0000000000000005
[    9.531886][  T186] RBP: 00007ffc4d95b4e0 R08: 0000000000000000 R09: 0000000000000000
[    9.532094][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc51
[    9.532297][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4d95bc40
| [    9.676926][  T194] ------------[ cut here ]------------
| [    9.677115][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.677376][  T194] Modules linked in: veth
| [    9.677803][  T194] Tainted: [W]=WARN
[    9.677921][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.678104][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.678296][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.678834][  T194] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[    9.679249][  T194] RAX: 00000000ffffffa6 RBX: ff1100000cc62200 RCX: 1ff400000010ad8c
[    9.679475][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cc622b8
[    9.679696][  T194] RBP: ff1100000c0c9000 R08: 1fe220000198c458 R09: ff1100000c292e80
[    9.679928][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.680145][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d594400
[    9.680369][  T194] FS:  00007f6523bc2840(0000) GS:ff1100009e3b0000(0000) knlGS:0000000000000000
[    9.680623][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.680812][  T194] CR2: 000000000042ebe0 CR3: 000000000b2a1001 CR4: 0000000000771ef0
[    9.681036][  T194] PKRU: 55555554
[    9.681144][  T194] Call Trace:
[    9.681255][  T194]  <TASK>
[    9.681335][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.681493][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.681603][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.681788][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.681939][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.682082][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.682226][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.682388][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.682538][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.682714][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.682865][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.683020][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.683163][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.683312][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.683470][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.683618][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.683802][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.683953][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.684097][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.684261][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.684413][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.684561][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.684705][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.684867][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.685023][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.685169][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.685314][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.685463][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.685611][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.685763][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.685913][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.686054][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.686198][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.686346][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.686492][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.686638][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.686784][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.686933][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.687077][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.687219][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.687368][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.687515][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.687656][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.687806][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.687953][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.688098][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.688246][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.688393][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.688538][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.688684][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.688831][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.688982][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.689126][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.689270][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.689421][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.689564][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.689725][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.689914][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.690062][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.690205][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.690355][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.690508][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.690653][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.690805][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.690959][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.691108][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.691251][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.691400][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.691544][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.691687][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.691872][  T194] RIP: 0033:0x7f6523dfc08e
[    9.692038][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.692549][  T194] RSP: 002b:00007fff4c32a8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.692769][  T194] RAX: ffffffffffffffda RBX: 00007fff4c32b038 RCX: 00007f6523dfc08e
[    9.692987][  T194] RDX: 0000000000000000 RSI: 00007fff4c32a950 RDI: 0000000000000005
[    9.693199][  T194] RBP: 00007fff4c32a8b0 R08: 0000000000000000 R09: 0000000000000000
[    9.693417][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc51
[    9.693629][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4c32b010
| [    9.703321][  T194] ------------[ cut here ]------------
| [    9.703488][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.703728][  T194] Modules linked in: veth
| [    9.704129][  T194] Tainted: [W]=WARN
[    9.704234][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.704410][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.704591][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.705102][  T194] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[    9.705435][  T194] RAX: 00000000ffffffa6 RBX: ff1100000b3ef1c0 RCX: 1ff400000010adfc
[    9.705642][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3ef278
[    9.705870][  T194] RBP: ff11000008b11000 R08: 1fe220000167de50 R09: ff1100000c292e80
[    9.706084][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.706302][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.706521][  T194] FS:  00007f6523bc2840(0000) GS:ff1100009e3b0000(0000) knlGS:0000000000000000
[    9.706769][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.707004][  T194] CR2: 000000000042ebe0 CR3: 000000000b2a1001 CR4: 0000000000771ef0
[    9.707210][  T194] PKRU: 55555554
[    9.707312][  T194] Call Trace:
[    9.707420][  T194]  <TASK>
[    9.707495][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.707637][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.707749][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.707894][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.708106][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.708245][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.708392][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.708534][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.708673][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.708818][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.709034][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.709177][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.709323][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.709493][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.709632][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.709778][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.710030][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.710175][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.710318][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.710465][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.710608][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.710753][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.710892][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.711136][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.711276][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.711419][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.711575][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.711712][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.711861][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.712096][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.712234][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.712380][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.712521][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.712660][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.712807][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.713000][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.713139][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.713281][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.713453][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.713591][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.713768][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.713919][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.714059][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.714199][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.714352][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.714495][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.714638][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.714785][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.714930][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.715068][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.715226][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.715371][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.715511][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.715682][  T194] RIP: 0033:0x7f6523dfc08e
[    9.715830][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.716319][  T194] RSP: 002b:00007fff4c32a8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.716625][  T194] RAX: ffffffffffffffda RBX: 00007fff4c32b038 RCX: 00007f6523dfc08e
[    9.717029][  T194] RDX: 0000000000000000 RSI: 00007fff4c32a950 RDI: 0000000000000005
[    9.717242][  T194] RBP: 00007fff4c32a8b0 R08: 0000000000000000 R09: 0000000000000000
[    9.717455][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc51
[    9.717659][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4c32b010
| [    9.936203][  T201] ------------[ cut here ]------------
| [    9.936391][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/201
| [    9.936642][  T201] Modules linked in: veth
| [    9.937064][  T201] Tainted: [W]=WARN
[    9.937171][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.937357][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.937543][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.938049][  T201] RSP: 0018:ffa0000000786e30 EFLAGS: 00010286
[    9.938232][  T201] RAX: 00000000ffffffa6 RBX: ff1100000d57ae40 RCX: 1ff40000000f0d8c
[    9.938448][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d57aef8
[    9.938655][  T201] RBP: ff11000007ea9000 R08: 1fe2200001aaf5e0 R09: ff1100000cdcd180
[    9.938867][  T201] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.939081][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000af71900
[    9.939290][  T201] FS:  00007f7c3a607840(0000) GS:ff1100009e3b0000(0000) knlGS:0000000000000000
[    9.939537][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.939714][  T201] CR2: 000000000042ebe0 CR3: 000000000d4b7001 CR4: 0000000000771ef0
[    9.940018][  T201] PKRU: 55555554
[    9.940123][  T201] Call Trace:
[    9.940226][  T201]  <TASK>
[    9.940298][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.940448][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.940587][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.940692][  T201]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.940836][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.941060][  T201]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.941200][  T201]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.941346][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.941485][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.941623][  T201]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.941767][  T201]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.941992][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.942238][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.942384][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.942525][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.942663][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.942814][  T201]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.943020][  T201] veth_newlink (drivers/net/veth.c:1871) veth
[    9.943160][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.943338][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.943480][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.943619][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.943778][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.944003][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.944145][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.944284][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.944434][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.944575][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.944716][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.944863][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.945060][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.945207][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.945354][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.945495][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.945634][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.945780][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.945982][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.946118][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.946261][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.946408][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.946550][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.946689][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.946833][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.947031][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.947172][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.947311][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.947456][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.947594][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.947740][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.947886][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.948085][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.948225][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.948372][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.948512][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.948652][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.948799][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.949000][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.949143][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.949283][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.949427][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.949599][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.949750][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.949890][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.950088][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.950238][  T201]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.950385][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.950526][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.950670][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.950817][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.950963][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.951102][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.951242][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.951385][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.951562][  T201] RIP: 0033:0x7f7c3a84108e
[    9.951711][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.952257][  T201] RSP: 002b:00007ffcb0b6bb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.952474][  T201] RAX: ffffffffffffffda RBX: 00007ffcb0b6c2a8 RCX: 00007f7c3a84108e
[    9.952686][  T201] RDX: 0000000000000000 RSI: 00007ffcb0b6bbc0 RDI: 0000000000000005
[    9.952900][  T201] RBP: 00007ffcb0b6bb20 R08: 0000000000000000 R09: 0000000000000000
[    9.953136][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc52
[    9.953353][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb0b6c280
| [    9.962689][  T201] ------------[ cut here ]------------
| [    9.962851][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/201
| [    9.963110][  T201] Modules linked in: veth
| [    9.963505][  T201] Tainted: [W]=WARN
[    9.963613][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.963788][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.963974][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.964474][  T201] RSP: 0018:ffa00000007871b0 EFLAGS: 00010286
[    9.964649][  T201] RAX: 00000000ffffffa6 RBX: ff1100000cc62740 RCX: 1ff40000000f0dfc
[    9.964861][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cc627f8
[    9.965076][  T201] RBP: ff1100000cc9c000 R08: 1fe220000198c500 R09: ff1100000cdcd180
[    9.965282][  T201] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.965501][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.965711][  T201] FS:  00007f7c3a607840(0000) GS:ff1100009e3b0000(0000) knlGS:0000000000000000
[    9.965965][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.966142][  T201] CR2: 000000000042ebe0 CR3: 000000000d4b7001 CR4: 0000000000771ef0
[    9.966356][  T201] PKRU: 55555554
[    9.966460][  T201] Call Trace:
[    9.966564][  T201]  <TASK>
[    9.966637][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.966783][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.966889][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.967032][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.967171][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.967308][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.967456][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.967596][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.967739][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.967879][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.968025][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.968168][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.968311][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.968460][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.968598][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.968741][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.968885][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.969087][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.969289][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.969438][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.969575][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.969714][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.969855][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.970074][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.970213][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.970357][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.970498][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.970635][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.970780][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.971033][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.971170][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.971309][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.971454][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.971592][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.971730][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.971874][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.972115][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.972259][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.972405][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.972546][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.972716][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.972863][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.973063][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.973207][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.973358][  T201]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.973500][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.973638][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.973786][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.973932][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.974073][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.974211][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.974356][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.974498][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.974670][  T201] RIP: 0033:0x7f7c3a84108e
[    9.974821][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.975318][  T201] RSP: 002b:00007ffcb0b6bb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.975535][  T201] RAX: ffffffffffffffda RBX: 00007ffcb0b6c2a8 RCX: 00007f7c3a84108e
[    9.975747][  T201] RDX: 0000000000000000 RSI: 00007ffcb0b6bbc0 RDI: 0000000000000005
[    9.975963][  T201] RBP: 00007ffcb0b6bb20 R08: 0000000000000000 R09: 0000000000000000
[    9.976169][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc52


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