======================================
| xx__-> [   10.756044][  T186] ------------[ cut here ]------------
| [   10.756388][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.756860][  T186] Modules linked in: veth
| [   10.757642][  T186] Tainted: [W]=WARN
[   10.757813][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.758158][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.758476][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.759320][  T186] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[   10.759802][  T186] RAX: 00000000ffffffa6 RBX: ff1100000afe6ac0 RCX: 1ff400000011ed8c
[   10.760150][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000afe6b78
[   10.760489][  T186] RBP: ff11000007539000 R08: 1fe22000015fcd70 R09: ff1100000d62ae80
[   10.761012][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.761356][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c855900
[   10.761911][  T186] FS:  00007f4368682840(0000) GS:ff110000a3730000(0000) knlGS:0000000000000000
[   10.762331][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.762675][  T186] CR2: 00007f029a93b808 CR3: 000000000d637001 CR4: 0000000000771ef0
[   10.763023][  T186] PKRU: 55555554
[   10.763198][  T186] Call Trace:
[   10.763371][  T186]  <TASK>
[   10.763490][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.763782][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.764014][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.764187][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.764408][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.764642][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.764873][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.765097][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.765329][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.765569][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.765799][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.766049][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.766263][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.766484][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.766714][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.766945][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.767224][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.767450][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.767691][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.767962][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.768192][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.768422][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.768654][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.768885][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.769110][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.769341][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.769572][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.769794][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.770036][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.770274][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.770512][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.770734][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.770961][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.771196][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.771427][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.771681][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.771919][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.772144][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.772369][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.772591][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.772812][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.773043][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.773264][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.773490][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.773721][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.773948][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.774184][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.774402][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.774644][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.774896][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.775122][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.775359][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.775616][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.775839][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.776075][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.776305][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.776544][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.776818][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.777059][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.777286][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.777520][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.777788][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.778025][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.778244][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.778462][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.778697][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.778925][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.779151][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.779374][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.779602][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.779824][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.780047][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.780326][  T186] RIP: 0033:0x7f43688bc08e
[   10.780596][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.781403][  T186] RSP: 002b:00007ffdba123440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.781751][  T186] RAX: ffffffffffffffda RBX: 00007ffdba123bd8 RCX: 00007f43688bc08e
[   10.782086][  T186] RDX: 0000000000000000 RSI: 00007ffdba1234f0 RDI: 0000000000000005
[   10.782425][  T186] RBP: 00007ffdba123450 R08: 0000000000000000 R09: 0000000000000000
[   10.782773][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdbf
[   10.783121][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdba123bb0
| [   10.817158][  T186] ------------[ cut here ]------------
| [   10.817456][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.817879][  T186] Modules linked in: veth
| [   10.818500][  T186] Tainted: [W]=WARN
[   10.818669][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.818942][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.819255][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.820042][  T186] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[   10.820314][  T186] RAX: 00000000ffffffa6 RBX: ff1100000aec0900 RCX: 1ff400000011edfc
[   10.820646][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aec09b8
[   10.820972][  T186] RBP: ff11000007dc1000 R08: 1fe22000015d8138 R09: ff1100000d62ae80
[   10.821294][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.821637][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.821968][  T186] FS:  00007f4368682840(0000) GS:ff110000a35b0000(0000) knlGS:0000000000000000
[   10.822355][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.822649][  T186] CR2: 000055ac1c7f9230 CR3: 000000000d637001 CR4: 0000000000771ef0
[   10.822996][  T186] PKRU: 55555554
[   10.823172][  T186] Call Trace:
[   10.823336][  T186]  <TASK>
[   10.823465][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.823729][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.823900][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.824114][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.824332][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.824559][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.824782][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.825007][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.825229][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.825445][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.825682][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.825912][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.826130][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.826345][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.826573][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.826788][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.827006][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.831664][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.831920][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.832135][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.832349][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.832583][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.832790][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.833001][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.833207][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.833412][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.833627][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.833833][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.834048][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.834268][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.834472][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.834696][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.834919][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.835124][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.835335][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.835560][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.835773][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.835996][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.836207][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.836424][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.836701][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.836932][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.837145][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.837365][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.837610][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.837828][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.838047][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.838263][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.838481][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.838706][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.838930][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.839149][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.839379][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.839605][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.839822][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.840093][  T186] RIP: 0033:0x7f43688bc08e
[   10.840321][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.841115][  T186] RSP: 002b:00007ffdba123440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.841442][  T186] RAX: ffffffffffffffda RBX: 00007ffdba123bd8 RCX: 00007f43688bc08e
[   10.841786][  T186] RDX: 0000000000000000 RSI: 00007ffdba1234f0 RDI: 0000000000000005
[   10.842122][  T186] RBP: 00007ffdba123450 R08: 0000000000000000 R09: 0000000000000000
[   10.842448][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdbf
[   10.842791][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdba123bb0
| [   11.042898][  T196] ------------[ cut here ]------------
| [   11.043164][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/196
| [   11.043430][  T196] Modules linked in: veth
| [   11.043952][  T196] Tainted: [W]=WARN
[   11.044065][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.044250][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.044442][  T196] 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
[   11.045414][  T196] RSP: 0018:ffa0000000556e30 EFLAGS: 00010286
[   11.045615][  T196] RAX: 00000000ffffffa6 RBX: ff1100000277ba80 RCX: 1ff40000000aad8c
[   11.045830][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000277bb38
[   11.046050][  T196] RBP: ff11000008de9000 R08: 1fe22000004ef768 R09: ff1100000b690b80
[   11.046266][  T196] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.046480][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ad3e000
[   11.046703][  T196] FS:  00007fbdfab49840(0000) GS:ff110000a35b0000(0000) knlGS:0000000000000000
[   11.046962][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.047145][  T196] CR2: 00007fbdfaeb0f6d CR3: 000000000d52a002 CR4: 0000000000771ef0
[   11.047360][  T196] PKRU: 55555554
[   11.047468][  T196] Call Trace:
[   11.047584][  T196]  <TASK>
[   11.047660][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.047812][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.047961][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.048145][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.048291][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.048436][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.048588][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.048730][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.048884][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.049030][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.049175][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.049318][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.049462][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.049611][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.049755][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   11.049982][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.050183][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.050327][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.050468][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.050633][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.050776][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.050937][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.051079][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.051229][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.051379][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.051528][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.051673][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.051816][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.051969][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.052116][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.052261][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.052405][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.052555][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.052698][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.052842][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.052994][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.053139][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.053282][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.053429][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.053578][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.053723][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.053874][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.054018][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.054165][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.054310][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.054454][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.054613][  T196]  ? 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))
[   11.054757][  T196]  ? 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))
[   11.054910][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.055058][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.055202][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.055347][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.055490][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.055642][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.055786][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.055949][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.056097][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.056272][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.056417][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.056564][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.056707][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.056860][  T196]  ? 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))
[   11.057004][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.057147][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.057293][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.057435][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.057583][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.057724][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.057870][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.058012][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.058187][  T196] RIP: 0033:0x7fbdfad8308e
[   11.058336][  T196] 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
[   11.058845][  T196] RSP: 002b:00007ffc372ac340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.059063][  T196] RAX: ffffffffffffffda RBX: 00007ffc372acad8 RCX: 00007fbdfad8308e
[   11.059273][  T196] RDX: 0000000000000000 RSI: 00007ffc372ac3f0 RDI: 0000000000000005
[   11.059485][  T196] RBP: 00007ffc372ac350 R08: 0000000000000000 R09: 0000000000000000
[   11.059701][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdc0
[   11.059916][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc372acab0
| [   11.068953][  T196] ------------[ cut here ]------------
| [   11.069176][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/196
| [   11.069422][  T196] Modules linked in: veth
| [   11.069829][  T196] Tainted: [W]=WARN
[   11.069941][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.070123][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.070313][  T196] 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
[   11.070937][  T196] RSP: 0018:ffa00000005571b0 EFLAGS: 00010286
[   11.071121][  T196] RAX: 00000000ffffffa6 RBX: ff11000004b8cc80 RCX: 1ff40000000aadfc
[   11.071344][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b8cd38
[   11.071660][  T196] RBP: ff1100000bf4c000 R08: 1fe22000009719a8 R09: ff1100000b690b80
[   11.071973][  T196] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.072285][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.072733][  T196] FS:  00007fbdfab49840(0000) GS:ff110000a35b0000(0000) knlGS:0000000000000000
[   11.073025][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.073278][  T196] CR2: 00007fbdfaeb0f6d CR3: 000000000d52a002 CR4: 0000000000771ef0
[   11.073491][  T196] PKRU: 55555554
[   11.073685][  T196] Call Trace:
[   11.073818][  T196]  <TASK>
[   11.073933][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.074163][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.074327][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.074475][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.074688][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.074828][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.074976][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.075119][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.075264][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.075411][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.075616][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.075793][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.075952][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.076095][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.076237][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.076378][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.076579][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.076719][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.076867][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.077007][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.077146][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.077289][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.077435][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.077647][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.077792][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.077939][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.078084][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.078226][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.078369][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.078577][  T196]  ? 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))
[   11.078718][  T196]  ? 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))
[   11.078867][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.079017][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.079159][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.079302][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.079445][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.079649][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.079792][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.079966][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.080106][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.080284][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.080430][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.080636][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.080774][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.080929][  T196]  ? 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))
[   11.081069][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.081209][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.081358][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.081499][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.081707][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.081849][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.081995][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.082134][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.082310][  T196] RIP: 0033:0x7fbdfad8308e
[   11.082460][  T196] 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
[   11.083035][  T196] RSP: 002b:00007ffc372ac340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.083248][  T196] RAX: ffffffffffffffda RBX: 00007ffc372acad8 RCX: 00007fbdfad8308e
[   11.083457][  T196] RDX: 0000000000000000 RSI: 00007ffc372ac3f0 RDI: 0000000000000005
[   11.083735][  T196] RBP: 00007ffc372ac350 R08: 0000000000000000 R09: 0000000000000000
[   11.083949][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdc0


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