======================================
| xx__-> [    9.231965][  T186] ------------[ cut here ]------------
| [    9.232210][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.232457][  T186] Modules linked in: veth
| [    9.232989][  T186] Tainted: [W]=WARN
[    9.233094][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.233274][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.233461][  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
[    9.233964][  T186] RSP: 0018:ffa0000000846e30 EFLAGS: 00010286
[    9.234140][  T186] RAX: 00000000ffffffa6 RBX: ff11000001e22e40 RCX: 1ff4000000108d8c
[    9.234353][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001e22ef8
[    9.234567][  T186] RBP: ff11000008111000 R08: 1fe22000003c45e0 R09: ff1100000cbaae80
[    9.234819][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.235027][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b8d5c80
[    9.235251][  T186] FS:  00007fc128790840(0000) GS:ff110000a6330000(0000) knlGS:0000000000000000
[    9.235498][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.235681][  T186] CR2: 000000000042ebe0 CR3: 000000000c454002 CR4: 0000000000771ef0
[    9.235889][  T186] PKRU: 55555554
[    9.235995][  T186] Call Trace:
[    9.236099][  T186]  <TASK>
[    9.236175][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.236352][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.236496][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.236611][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.236751][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.236889][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.237028][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.237171][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.237311][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.237453][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.237600][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.237738][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.237876][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.238015][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.238155][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.238303][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.238478][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.238625][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.238762][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.238917][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.239055][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.239201][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.239340][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.239482][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.239627][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.239765][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.239903][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.240040][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.240188][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.240330][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.240473][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.240616][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.240755][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.240893][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.241029][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.241176][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.241316][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.241457][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.241603][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.241740][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.241877][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.242018][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.242268][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.242409][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.242556][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.242694][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.242835][  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))
[    9.242971][  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))
[    9.243110][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.243254][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.243393][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.243540][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.243681][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.243821][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.243962][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.244101][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.244241][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.244412][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.244564][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.244702][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.244840][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.244989][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.245128][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.245276][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.245414][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.245562][  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)
[    9.245702][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.245841][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.245980][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.246119][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.246263][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.246403][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.246583][  T186] RIP: 0033:0x7fc1289ca08e
[    9.246727][  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
[    9.247221][  T186] RSP: 002b:00007ffddda27390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.247431][  T186] RAX: ffffffffffffffda RBX: 00007ffddda27b28 RCX: 00007fc1289ca08e
[    9.247649][  T186] RDX: 0000000000000000 RSI: 00007ffddda27440 RDI: 0000000000000005
[    9.247856][  T186] RBP: 00007ffddda273a0 R08: 0000000000000000 R09: 0000000000000000
[    9.248064][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d038
[    9.248275][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddda27b00
| [    9.256922][  T186] ------------[ cut here ]------------
| [    9.257155][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.257447][  T186] Modules linked in: veth
| [    9.257835][  T186] Tainted: [W]=WARN
[    9.257937][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.258108][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.258345][  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
[    9.258899][  T186] RSP: 0018:ffa00000008471b0 EFLAGS: 00010286
[    9.259068][  T186] RAX: 00000000ffffffa6 RBX: ff11000001e511c0 RCX: 1ff4000000108dfc
[    9.259330][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001e51278
[    9.259537][  T186] RBP: ff11000009bcc000 R08: 1fe22000003ca250 R09: ff1100000cbaae80
[    9.259739][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.260030][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.260290][  T186] FS:  00007fc128790840(0000) GS:ff110000a6330000(0000) knlGS:0000000000000000
[    9.260531][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.260708][  T186] CR2: 000000000042ebe0 CR3: 000000000c454002 CR4: 0000000000771ef0
[    9.261011][  T186] PKRU: 55555554
[    9.261113][  T186] Call Trace:
[    9.261270][  T186]  <TASK>
[    9.261343][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.261486][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.261599][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.261737][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.261874][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.262099][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.262299][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.262438][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.262584][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.262719][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.262855][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.263085][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.263285][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.263426][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.263576][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.263714][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.263848][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.263983][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264122][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264314][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.264451][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.264598][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.264734][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.265049][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.265244][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.265380][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.265521][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.265663][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.265800][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.265939][  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))
[    9.266077][  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))
[    9.266271][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.266410][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.266555][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.266692][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.266830][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.266970][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.267109][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.267303][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.267442][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.267617][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.267758][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.267982][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.268116][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.268325][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.268562][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.268700][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.268836][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.268974][  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)
[    9.269110][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.269303][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.269539][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.269678][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.269903][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.270040][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.270270][  T186] RIP: 0033:0x7fc1289ca08e
[    9.270413][  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
[    9.270996][  T186] RSP: 002b:00007ffddda27390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.271443][  T186] RAX: ffffffffffffffda RBX: 00007ffddda27b28 RCX: 00007fc1289ca08e
[    9.271654][  T186] RDX: 0000000000000000 RSI: 00007ffddda27440 RDI: 0000000000000005
[    9.272037][  T186] RBP: 00007ffddda273a0 R08: 0000000000000000 R09: 0000000000000000
[    9.272389][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d038
[    9.272602][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddda27b00
| [    9.392889][  T191] ------------[ cut here ]------------
| [    9.393142][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.393463][  T191] Modules linked in: veth
| [    9.393986][  T191] Tainted: [W]=WARN
[    9.394148][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.394393][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.394655][  T191] 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
[    9.395224][  T191] RSP: 0018:ffa0000000736e30 EFLAGS: 00010286
[    9.395460][  T191] RAX: 00000000ffffffa6 RBX: ff1100000c614200 RCX: 1ff40000000e6d8c
[    9.395740][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6142b8
[    9.396002][  T191] RBP: ff110000087c1000 R08: 1fe22000018c2858 R09: ff1100000cb2d180
[    9.396279][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.396563][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ad0e80
[    9.396830][  T191] FS:  00007f203ebd7840(0000) GS:ff110000a62b0000(0000) knlGS:0000000000000000
[    9.397131][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.397375][  T191] CR2: 000000000042ebe0 CR3: 000000000c3b4004 CR4: 0000000000771ef0
[    9.397691][  T191] PKRU: 55555554
[    9.397852][  T191] Call Trace:
[    9.398013][  T191]  <TASK>
[    9.398138][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.398350][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.398522][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.398763][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.398959][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.399153][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.399395][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.399602][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.399806][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.400006][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.400214][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.400412][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.400620][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.400813][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.401012][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.401218][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.401446][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.401654][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.401848][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.402059][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.402265][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.402467][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.402673][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.402873][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.403067][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.403276][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.403471][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.403677][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.403877][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.404078][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.404287][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.404480][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.404686][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.404877][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.405071][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.405284][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.405484][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.405691][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.405886][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.406081][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.406283][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.406485][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.406691][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.406892][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.407085][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.407293][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.407495][  T191]  ? 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))
[    9.407693][  T191]  ? 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))
[    9.407889][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.408082][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.408292][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.408492][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.408697][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.408892][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.409089][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.409395][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.409606][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.409929][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.410423][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.410637][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.410844][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.411083][  T191]  ? 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))
[    9.411290][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.411490][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.411699][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.411905][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.412101][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.412309][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.412515][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.412721][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.412954][  T191] RIP: 0033:0x7f203ee1108e
[    9.413153][  T191] 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
[    9.413741][  T191] RSP: 002b:00007fff6944c910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.414002][  T191] RAX: ffffffffffffffda RBX: 00007fff6944d0a8 RCX: 00007f203ee1108e
[    9.414292][  T191] RDX: 0000000000000000 RSI: 00007fff6944c9c0 RDI: 0000000000000005
[    9.414571][  T191] RBP: 00007fff6944c920 R08: 0000000000000000 R09: 0000000000000000
[    9.414926][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d038
[    9.415197][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6944d080
| [    9.426389][  T191] ------------[ cut here ]------------
| [    9.426589][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.426879][  T191] Modules linked in: veth
| [    9.427963][  T191] Tainted: [W]=WARN
[    9.428190][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.428482][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.428785][  T191] 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
[    9.429394][  T191] RSP: 0018:ffa00000007371b0 EFLAGS: 00010286
[    9.429708][  T191] RAX: 00000000ffffffa6 RBX: ff1100000cb09c40 RCX: 1ff40000000e6dfc
[    9.430019][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cb09cf8
[    9.430346][  T191] RBP: ff110000090a9000 R08: 1fe22000019613a0 R09: ff1100000cb2d180
[    9.430671][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.430981][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.431303][  T191] FS:  00007f203ebd7840(0000) GS:ff110000a62b0000(0000) knlGS:0000000000000000
[    9.431662][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.431940][  T191] CR2: 000000000042ebe0 CR3: 000000000c3b4004 CR4: 0000000000771ef0
[    9.432261][  T191] PKRU: 55555554
[    9.432488][  T191] Call Trace:
[    9.432706][  T191]  <TASK>
[    9.432883][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.433130][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.433358][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.433621][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.433869][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.434111][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.434372][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.434634][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.434881][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.435125][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.435379][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.435645][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.435894][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.436140][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.436396][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.436657][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.436899][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.437142][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.437401][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.437660][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.437905][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.438150][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.438467][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.438729][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.438976][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.439230][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.439482][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.439738][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.439982][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.440266][  T191]  ? 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))
[    9.440575][  T191]  ? 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))
[    9.440865][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.441151][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.441469][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.441728][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.442001][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.442284][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.442576][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.442842][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.443026][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.443263][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.443456][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.443661][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.443851][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.444047][  T191]  ? 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))
[    9.444250][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.444438][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.444647][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.444837][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.445026][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.445227][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.445416][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.445619][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.445838][  T191] RIP: 0033:0x7f203ee1108e
[    9.446031][  T191] 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
[    9.446590][  T191] RSP: 002b:00007fff6944c910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.446845][  T191] RAX: ffffffffffffffda RBX: 00007fff6944d0a8 RCX: 00007f203ee1108e
[    9.447098][  T191] RDX: 0000000000000000 RSI: 00007fff6944c9c0 RDI: 0000000000000005
[    9.447364][  T191] RBP: 00007fff6944c920 R08: 0000000000000000 R09: 0000000000000000
[    9.447628][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d038


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