======================================
| xx__-> [    9.079279][  T186] ------------[ cut here ]------------
| [    9.079496][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.079946][  T186] Modules linked in: veth
| [    9.080454][  T186] Tainted: [W]=WARN
[    9.080566][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.080744][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.080934][  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
[    9.081518][  T186] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.081709][  T186] RAX: 00000000ffffffa6 RBX: ff1100000956a900 RCX: 1ff4000000116d8c
[    9.081926][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000956a9b8
[    9.082146][  T186] RBP: ff11000009e14000 R08: 1fe22000012ad538 R09: ff1100000b322e80
[    9.082368][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.082731][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004c29c80
[    9.083067][  T186] FS:  00007f583ceea840(0000) GS:ff1100008a3b0000(0000) knlGS:0000000000000000
[    9.083417][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.083610][  T186] CR2: 00007f583d251f6d CR3: 0000000005f77003 CR4: 0000000000771ef0
[    9.083926][  T186] PKRU: 55555554
[    9.084032][  T186] Call Trace:
[    9.084147][  T186]  <TASK>
[    9.084229][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.084410][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.084658][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.084865][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.085020][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.085174][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.085315][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.085460][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.085608][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.085754][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.085901][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.086048][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.086198][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.086341][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.086487][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.086669][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.086816][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.087100][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.087267][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.087411][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.087564][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.087709][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.087857][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.088002][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.088153][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.088301][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.088443][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.088600][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.088746][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.089213][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.089356][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.089499][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.089647][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.089788][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.089935][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.090082][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.090234][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.090378][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.090623][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.090863][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.091012][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.091228][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.091388][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.091541][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.091691][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.091838][  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))
[    9.091981][  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))
[    9.092188][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.092332][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.092475][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.092621][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.092767][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.092912][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.093092][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.093243][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.093424][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.093577][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.093720][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.093863][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.094013][  T186]  ? 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))
[    9.094161][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.094310][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.094456][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.094605][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.094987][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.095134][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.095285][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.095429][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.095654][  T186] RIP: 0033:0x7f583d12408e
[    9.095804][  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
[    9.096426][  T186] RSP: 002b:00007fff23c61050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.096645][  T186] RAX: ffffffffffffffda RBX: 00007fff23c617e8 RCX: 00007f583d12408e
[    9.096857][  T186] RDX: 0000000000000000 RSI: 00007fff23c61100 RDI: 0000000000000005
[    9.097074][  T186] RBP: 00007fff23c61060 R08: 0000000000000000 R09: 0000000000000000
[    9.097481][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d046
[    9.097819][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff23c617c0
| [    9.106637][  T186] ------------[ cut here ]------------
| [    9.106878][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.107668][  T186] Modules linked in: veth
| [    9.108110][  T186] Tainted: [W]=WARN
[    9.108235][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.108465][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.108648][  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
[    9.109203][  T186] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.109377][  T186] RAX: 00000000ffffffa6 RBX: ff11000005e5da80 RCX: 1ff4000000116dfc
[    9.109584][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005e5db38
[    9.109786][  T186] RBP: ff11000004ff9000 R08: 1fe2200000bcbb68 R09: ff1100000b322e80
[    9.109988][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.110259][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.110465][  T186] FS:  00007f583ceea840(0000) GS:ff1100008a3b0000(0000) knlGS:0000000000000000
[    9.110709][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.110882][  T186] CR2: 00007f583d251f6d CR3: 0000000005f77003 CR4: 0000000000771ef0
[    9.111158][  T186] PKRU: 55555554
[    9.111265][  T186] Call Trace:
[    9.111371][  T186]  <TASK>
[    9.111442][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.111584][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.111690][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.111828][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.111969][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.112170][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.112316][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.112463][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.112609][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.112765][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.112908][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.113108][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.113262][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.113402][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.113544][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.113687][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.113826][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.113962][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.114163][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.114308][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.114448][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.114595][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.114731][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.114868][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.115005][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.115207][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.115346][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.115484][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.115628][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.115771][  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))
[    9.115909][  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))
[    9.116108][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.116252][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.116394][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.116541][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.116684][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.116826][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.116972][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.117183][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.117355][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.117499][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.117644][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.117784][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.117933][  T186]  ? 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))
[    9.118134][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.118277][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.118418][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.118562][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.118702][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.118844][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.118985][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.119196][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.119370][  T186] RIP: 0033:0x7f583d12408e
[    9.119512][  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
[    9.120011][  T186] RSP: 002b:00007fff23c61050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.120283][  T186] RAX: ffffffffffffffda RBX: 00007fff23c617e8 RCX: 00007f583d12408e
[    9.120593][  T186] RDX: 0000000000000000 RSI: 00007fff23c61100 RDI: 0000000000000005
[    9.120996][  T186] RBP: 00007fff23c61060 R08: 0000000000000000 R09: 0000000000000000
[    9.121276][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d046
[    9.121489][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff23c617c0
| [    9.246602][  T192] ------------[ cut here ]------------
| [    9.246849][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/192
| [    9.247315][  T192] Modules linked in: veth
| [    9.247837][  T192] Tainted: [W]=WARN
[    9.247999][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.248251][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.248501][  T192] 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
[    9.249118][  T192] RSP: 0018:ffa0000000506e30 EFLAGS: 00010286
[    9.249360][  T192] RAX: 00000000ffffffa6 RBX: ff110000026d6200 RCX: 1ff40000000a0d8c
[    9.249656][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026d62b8
[    9.249940][  T192] RBP: ff110000088d1000 R08: 1fe22000004dac58 R09: ff110000134e5180
[    9.250225][  T192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.250514][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b96700
[    9.250792][  T192] FS:  00007f7abc0ba840(0000) GS:ff1100008a4b0000(0000) knlGS:0000000000000000
[    9.251109][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.251353][  T192] CR2: 00007f7abc421f6d CR3: 000000000b3df004 CR4: 0000000000771ef0
[    9.251631][  T192] PKRU: 55555554
[    9.251790][  T192] Call Trace:
[    9.251956][  T192]  <TASK>
[    9.252094][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.252303][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.252463][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.252709][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.252912][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.253128][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.253329][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.253551][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.253760][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.253992][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.254243][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.254479][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.254709][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.254911][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.255121][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[    9.255330][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.255560][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.255762][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.255962][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.256189][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.256401][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.256610][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.256805][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.257005][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.257222][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.257425][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.257631][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.257828][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.258076][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.258298][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.258493][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.258701][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.258901][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.259110][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.259313][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.259513][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.259718][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.259914][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.260134][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.260341][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.260539][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.260782][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.260976][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.261195][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.261391][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.261598][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.261798][  T192]  ? 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))
[    9.261993][  T192]  ? 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))
[    9.262216][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.262451][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.262678][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.262876][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.263097][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.263304][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.263505][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.263724][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.263926][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.264175][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.264385][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.264588][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264824][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.265059][  T192]  ? 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))
[    9.265281][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.265484][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.265711][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.265917][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.266138][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.266355][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.266601][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.266804][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.267060][  T192] RIP: 0033:0x7f7abc2f408e
[    9.267298][  T192] 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
[    9.267942][  T192] RSP: 002b:00007ffc0cac4500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.268243][  T192] RAX: ffffffffffffffda RBX: 00007ffc0cac4c98 RCX: 00007f7abc2f408e
[    9.268530][  T192] RDX: 0000000000000000 RSI: 00007ffc0cac45b0 RDI: 0000000000000005
[    9.268927][  T192] RBP: 00007ffc0cac4510 R08: 0000000000000000 R09: 0000000000000000
[    9.269224][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d046
[    9.269517][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0cac4c70
| [    9.317417][  T192] ------------[ cut here ]------------
| [    9.317662][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/192
| [    9.317955][  T192] Modules linked in: veth
| [    9.318603][  T192] Tainted: [W]=WARN
[    9.318757][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.318980][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.319241][  T192] 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
[    9.319792][  T192] RSP: 0018:ffa00000005071b0 EFLAGS: 00010286
[    9.320056][  T192] RAX: 00000000ffffffa6 RBX: ff11000014c67700 RCX: 1ff40000000a0dfc
[    9.320317][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000014c677b8
[    9.320581][  T192] RBP: ff11000008691000 R08: 1fe220000298cef8 R09: ff110000134e5180
[    9.320840][  T192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.321110][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.321376][  T192] FS:  00007f7abc0ba840(0000) GS:ff1100008a4b0000(0000) knlGS:0000000000000000
[    9.321684][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.321909][  T192] CR2: 00007f7abc421f6d CR3: 000000000b3df004 CR4: 0000000000771ef0
[    9.322187][  T192] PKRU: 55555554
[    9.322343][  T192] Call Trace:
[    9.322500][  T192]  <TASK>
[    9.322631][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.322826][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.323008][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.323226][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.323418][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.323620][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.323816][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.324009][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.324224][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.324413][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.324616][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.324814][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.325011][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.325227][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.325420][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.325623][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.325813][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.326001][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.326214][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.326409][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.326615][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.326804][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.326994][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.327223][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.327419][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.327622][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.327823][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.328019][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.328232][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.328428][  T192]  ? 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))
[    9.328633][  T192]  ? 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))
[    9.328829][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.329034][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.329257][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.329465][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.329685][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.329881][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.330102][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.330316][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.330515][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.330761][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.330966][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.331181][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.331379][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.331780][  T192]  ? 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))
[    9.331979][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.332199][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.332398][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.332604][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.332800][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.332997][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.333215][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.333413][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.333656][  T192] RIP: 0033:0x7f7abc2f408e
[    9.333855][  T192] 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
[    9.334415][  T192] RSP: 002b:00007ffc0cac4500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.334695][  T192] RAX: ffffffffffffffda RBX: 00007ffc0cac4c98 RCX: 00007f7abc2f408e
[    9.334954][  T192] RDX: 0000000000000000 RSI: 00007ffc0cac45b0 RDI: 0000000000000005
[    9.335236][  T192] RBP: 00007ffc0cac4510 R08: 0000000000000000 R09: 0000000000000000
[    9.335495][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d046


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