======================================
| xx__-> [    9.193549][  T186] ------------[ cut here ]------------
| [    9.193955][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.194227][  T186] Modules linked in: veth
| [    9.194664][  T186] Tainted: [W]=WARN
[    9.194773][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.194954][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.195137][  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
[    9.195645][  T186] RSP: 0018:ffa0000000966e30 EFLAGS: 00010286
[    9.195849][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c4be040 RCX: 1ff400000012cd8c
[    9.196059][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c4be0f8
[    9.196318][  T186] RBP: ff11000008751000 R08: 1fe2200001897c20 R09: ff1100000bde2e80
[    9.196526][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.196797][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a84ae00
[    9.197025][  T186] FS:  00007f7d6b843840(0000) GS:ff1100009a730000(0000) knlGS:0000000000000000
[    9.197273][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.197448][  T186] CR2: 00007f2d254b3808 CR3: 000000000aa14002 CR4: 0000000000771ef0
[    9.197668][  T186] PKRU: 55555554
[    9.197795][  T186] Call Trace:
[    9.197905][  T186]  <TASK>
[    9.197978][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.198432][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.198576][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.198700][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.198866][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.199005][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.199162][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.199300][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.199438][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.199582][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.199782][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.199936][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.200075][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.200214][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.200368][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.200510][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.200693][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.200876][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.201016][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.201171][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.201312][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.201453][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.201595][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.201749][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.201904][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.202045][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.202184][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.202324][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.202468][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.202617][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.202778][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.202930][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.203071][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.203210][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.203348][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.203493][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.203643][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.203793][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.203939][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.204079][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.204220][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.204378][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.204518][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.204669][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.204832][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.204972][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.205124][  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))
[    9.205265][  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))
[    9.205406][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.205549][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.205698][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.205844][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.205986][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.206126][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.206269][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.206411][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.206689][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.206868][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.207010][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.207149][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.207288][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.207442][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.207584][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.207745][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.207893][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.208035][  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)
[    9.208175][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.208316][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.208457][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.208599][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.208754][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.208905][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.209080][  T186] RIP: 0033:0x7f7d6ba7d08e
[    9.209227][  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
[    9.209983][  T186] RSP: 002b:00007ffdf73bce00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.210194][  T186] RAX: ffffffffffffffda RBX: 00007ffdf73bd598 RCX: 00007f7d6ba7d08e
[    9.210402][  T186] RDX: 0000000000000000 RSI: 00007ffdf73bceb0 RDI: 0000000000000005
[    9.210614][  T186] RBP: 00007ffdf73bce10 R08: 0000000000000000 R09: 0000000000000000
[    9.210837][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e
[    9.211046][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf73bd570
| [    9.228724][  T186] ------------[ cut here ]------------
| [    9.228909][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.229149][  T186] Modules linked in: veth
| [    9.229533][  T186] Tainted: [W]=WARN
[    9.229648][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.229847][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.230038][  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
[    9.230527][  T186] RSP: 0018:ffa00000009671b0 EFLAGS: 00010286
[    9.230708][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c90b000 RCX: 1ff400000012cdfc
[    9.230962][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c90b0b8
[    9.231199][  T186] RBP: ff11000008771000 R08: 1fe2200001921618 R09: ff1100000bde2e80
[    9.231402][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.231608][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.231907][  T186] FS:  00007f7d6b843840(0000) GS:ff1100009a730000(0000) knlGS:0000000000000000
[    9.232145][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.232314][  T186] CR2: 00007f2d254b3808 CR3: 000000000aa14002 CR4: 0000000000771ef0
[    9.232518][  T186] PKRU: 55555554
[    9.232623][  T186] Call Trace:
[    9.232739][  T186]  <TASK>
[    9.232816][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.232956][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.233062][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.233199][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.233336][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.233471][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.233615][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.233875][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.234012][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.234148][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.234302][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.234443][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.234604][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.234761][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.234914][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.235052][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.235191][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.235330][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235496][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235646][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.236190][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.236333][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.236471][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.236610][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.236801][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.236958][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.237104][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.237244][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.237381][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.237520][  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))
[    9.237664][  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))
[    9.237875][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.238034][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.238179][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.238319][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.238457][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.238599][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.238772][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.238929][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.239086][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.239258][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.239398][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.239539][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.239698][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.239880][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.240036][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.240177][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.240316][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.240460][  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)
[    9.240601][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.240783][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.241021][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.241177][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.241332][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.241469][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.241649][  T186] RIP: 0033:0x7f7d6ba7d08e
[    9.241858][  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
[    9.242363][  T186] RSP: 002b:00007ffdf73bce00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.242632][  T186] RAX: ffffffffffffffda RBX: 00007ffdf73bd598 RCX: 00007f7d6ba7d08e
[    9.242892][  T186] RDX: 0000000000000000 RSI: 00007ffdf73bceb0 RDI: 0000000000000005
[    9.243103][  T186] RBP: 00007ffdf73bce10 R08: 0000000000000000 R09: 0000000000000000
[    9.243348][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e
[    9.243611][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf73bd570
| [    9.376882][  T193] ------------[ cut here ]------------
| [    9.377077][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.377328][  T193] Modules linked in: veth
| [    9.377760][  T193] Tainted: [W]=WARN
[    9.377888][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.378067][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.378253][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.378790][  T193] RSP: 0018:ffa0000000636e30 EFLAGS: 00010286
[    9.379007][  T193] RAX: 00000000ffffffa6 RBX: ff1100000c86e3c0 RCX: 1ff40000000c6d8c
[    9.379225][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c86e478
[    9.379452][  T193] RBP: ff110000028e9000 R08: 1fe220000190dc90 R09: ff1100000cefd180
[    9.379679][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.379939][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b8ae00
[    9.380157][  T193] FS:  00007f27191b5840(0000) GS:ff1100009a730000(0000) knlGS:0000000000000000
[    9.380406][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.380586][  T193] CR2: 000000000042ebe0 CR3: 000000000c43e004 CR4: 0000000000771ef0
[    9.380840][  T193] PKRU: 55555554
[    9.380947][  T193] Call Trace:
[    9.381054][  T193]  <TASK>
[    9.381130][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.381276][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.381383][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.381560][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.381715][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.381862][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.382005][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.382144][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.382299][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.382446][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.382597][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.382758][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.383014][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.383159][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.383304][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.383447][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.383732][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.383977][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.384120][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.384403][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.384555][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.384712][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.384891][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.385136][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.385377][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.385521][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.385674][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.385921][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.391038][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.391190][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.391334][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.391475][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.391619][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.391819][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.392173][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.392323][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.399161][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.399325][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.399561][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.399716][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.399862][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.400003][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.400237][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.400378][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.400518][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.400666][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.400939][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.401261][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.401404][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.401544][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.401799][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.401955][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.402096][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.402237][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.402381][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.402521][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.402668][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.402870][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.403018][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.403159][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.403300][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.403450][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.403600][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.403757][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.403940][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.404087][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.404232][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.404372][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.404513][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.404661][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.404932][  T193] RIP: 0033:0x7f27193ef08e
[    9.405101][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.405605][  T193] RSP: 002b:00007ffe23210d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.405855][  T193] RAX: ffffffffffffffda RBX: 00007ffe23211518 RCX: 00007f27193ef08e
[    9.406064][  T193] RDX: 0000000000000000 RSI: 00007ffe23210e30 RDI: 0000000000000005
[    9.406273][  T193] RBP: 00007ffe23210d90 R08: 0000000000000000 R09: 0000000000000000
[    9.406481][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e
[    9.406700][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe232114f0
| [    9.446997][  T193] ------------[ cut here ]------------
| [    9.447200][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.447444][  T193] Modules linked in: veth
| [    9.447952][  T193] Tainted: [W]=WARN
[    9.448060][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.448232][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.448408][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.448914][  T193] RSP: 0018:ffa00000006371b0 EFLAGS: 00010286
[    9.449093][  T193] RAX: 00000000ffffffa6 RBX: ff1100000aa6b380 RCX: 1ff40000000c6dfc
[    9.449308][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa6b438
[    9.449512][  T193] RBP: ff110000074e9000 R08: 1fe220000154d688 R09: ff1100000cefd180
[    9.449749][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.450031][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.450244][  T193] FS:  00007f27191b5840(0000) GS:ff1100009a730000(0000) knlGS:0000000000000000
[    9.450486][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.450672][  T193] CR2: 000000000042ebe0 CR3: 000000000c43e004 CR4: 0000000000771ef0
[    9.450939][  T193] PKRU: 55555554
[    9.451104][  T193] Call Trace:
[    9.451207][  T193]  <TASK>
[    9.451279][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.451421][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.451529][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.451677][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.451874][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.452012][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.452156][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.452295][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.452433][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.452576][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.452719][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.452926][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.453067][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.453205][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.453343][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.453484][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.453621][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.453763][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.454014][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.454157][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.454296][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.454436][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.454578][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.454721][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.454929][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.455066][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.455203][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.455340][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.455478][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.455621][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.455761][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.455958][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.456100][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.456238][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.456376][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.456513][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.456658][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.456799][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.457036][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.457174][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.457343][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.457485][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.457623][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.457767][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.458011][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.458152][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.458290][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.458431][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.458573][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.458717][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.458922][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.459063][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.459200][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.459374][  T193] RIP: 0033:0x7f27193ef08e
[    9.459531][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.460048][  T193] RSP: 002b:00007ffe23210d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.460258][  T193] RAX: ffffffffffffffda RBX: 00007ffe23211518 RCX: 00007f27193ef08e
[    9.460462][  T193] RDX: 0000000000000000 RSI: 00007ffe23210e30 RDI: 0000000000000005
[    9.460703][  T193] RBP: 00007ffe23210d90 R08: 0000000000000000 R09: 0000000000000000
[    9.460915][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce8e


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