======================================
| xx__-> [    9.340539][  T186] ------------[ cut here ]------------
| [    9.340864][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.341161][  T186] Modules linked in: veth
| [    9.341743][  T186] Tainted: [W]=WARN
[    9.341910][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.342134][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.342515][  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
[    9.343200][  T186] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.343448][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a1cd000 RCX: 1ff4000000118d8c
[    9.343832][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a1cd0b8
[    9.344146][  T186] RBP: ff1100000a054000 R08: 1fe2200001439a18 R09: ff1100000c9e2e80
[    9.344421][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.352786][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005738400
[    9.353048][  T186] FS:  00007f31b5fee840(0000) GS:ff110000908b0000(0000) knlGS:0000000000000000
[    9.353374][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.353716][  T186] CR2: 000000000042ebe0 CR3: 000000000773c004 CR4: 0000000000771ef0
[    9.353984][  T186] PKRU: 55555554
[    9.354138][  T186] Call Trace:
[    9.354309][  T186]  <TASK>
[    9.354432][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.354877][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.355168][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.355326][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.355635][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.355840][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.356031][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.356219][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.356405][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.356621][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.356822][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.357013][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.357200][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.357388][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.357578][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.357844][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.358069][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.358259][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.358540][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.358778][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.358969][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.359252][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.359440][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.359652][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.359854][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.360044][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.360229][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.360532][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.360858][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.361057][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.361254][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.361559][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.361778][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.361968][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.362250][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.362471][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.362779][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.362999][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.363204][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.363443][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.363765][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.364065][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.364345][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.364537][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.364751][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.365043][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.365241][  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))
[    9.365446][  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))
[    9.365758][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.365956][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.366145][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.366350][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.366540][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.366852][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.367045][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.367234][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.367440][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.367784][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.368001][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.368326][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.368656][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.368875][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.369067][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.369305][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.369521][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.369739][  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)
[    9.369944][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.370140][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.370362][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.370782][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.370976][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.371179][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.371400][  T186] RIP: 0033:0x7f31b622808e
[    9.371638][  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
[    9.372233][  T186] RSP: 002b:00007ffd8d0cb290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.372508][  T186] RAX: ffffffffffffffda RBX: 00007ffd8d0cba28 RCX: 00007f31b622808e
[    9.372803][  T186] RDX: 0000000000000000 RSI: 00007ffd8d0cb340 RDI: 0000000000000005
[    9.373076][  T186] RBP: 00007ffd8d0cb2a0 R08: 0000000000000000 R09: 0000000000000000
[    9.373448][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce96
[    9.373728][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8d0cba00
| [    9.393038][  T186] ------------[ cut here ]------------
| [    9.393249][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.393547][  T186] Modules linked in: veth
| [    9.394096][  T186] Tainted: [W]=WARN
[    9.394245][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.394478][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.394722][  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
[    9.395275][  T186] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.395500][  T186] RAX: 00000000ffffffa6 RBX: ff11000008940ac0 RCX: 1ff4000000118dfc
[    9.395774][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008940b78
[    9.396025][  T186] RBP: ff11000005811000 R08: 1fe2200001128170 R09: ff1100000c9e2e80
[    9.396291][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.396576][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.396860][  T186] FS:  00007f31b5fee840(0000) GS:ff110000908b0000(0000) knlGS:0000000000000000
[    9.397148][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.397368][  T186] CR2: 000000000042ebe0 CR3: 000000000773c004 CR4: 0000000000771ef0
[    9.397641][  T186] PKRU: 55555554
[    9.397799][  T186] Call Trace:
[    9.397949][  T186]  <TASK>
[    9.398067][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.398253][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.398404][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.398613][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.398808][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.398992][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.399175][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.399360][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.399545][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.399747][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.399946][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.400135][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.400322][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.400506][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.400710][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.400907][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.401089][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.401272][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.401463][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.401671][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.401868][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.402052][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.402235][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.402417][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.402622][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.402819][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.403005][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.403189][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.403373][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.403560][  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))
[    9.403768][  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))
[    9.403959][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.404146][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.404362][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.404548][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.404752][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.404947][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.405137][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.405322][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.405504][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.405745][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.405945][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.406128][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.406312][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.406507][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.406713][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.406907][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.407092][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.407279][  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)
[    9.407463][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.407672][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.407871][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.408053][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.408235][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.408421][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.408664][  T186] RIP: 0033:0x7f31b622808e
[    9.408869][  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
[    9.409394][  T186] RSP: 002b:00007ffd8d0cb290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.409670][  T186] RAX: ffffffffffffffda RBX: 00007ffd8d0cba28 RCX: 00007f31b622808e
[    9.409930][  T186] RDX: 0000000000000000 RSI: 00007ffd8d0cb340 RDI: 0000000000000005
[    9.410177][  T186] RBP: 00007ffd8d0cb2a0 R08: 0000000000000000 R09: 0000000000000000
[    9.410443][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce96
[    9.410712][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8d0cba00
| [    9.602296][  T193] ------------[ cut here ]------------
| [    9.602545][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.603055][  T193] Modules linked in: veth
| [    9.603558][  T193] Tainted: [W]=WARN
[    9.603737][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.603971][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.604207][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.604785][  T193] RSP: 0018:ffa0000000646e30 EFLAGS: 00010286
[    9.605018][  T193] RAX: 00000000ffffffa6 RBX: ff1100000af6a200 RCX: 1ff40000000c8d8c
[    9.605277][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af6a2b8
[    9.605538][  T193] RBP: ff1100000c45c000 R08: 1fe22000015ed458 R09: ff1100000c450b80
[    9.605830][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.606094][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aec3180
[    9.606355][  T193] FS:  00007f50c8936840(0000) GS:ff110000908b0000(0000) knlGS:0000000000000000
[    9.606675][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.606915][  T193] CR2: 000000000042ebe0 CR3: 000000000c4fa002 CR4: 0000000000771ef0
[    9.607200][  T193] PKRU: 55555554
[    9.607356][  T193] Call Trace:
[    9.607509][  T193]  <TASK>
[    9.607648][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.607852][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.608026][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.608256][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.608446][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.608648][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.608846][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.609035][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.609235][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.609430][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.609647][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.609850][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.610044][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.610233][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.610424][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.610638][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.610897][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.611089][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.611278][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.611487][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.611697][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.611901][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.612089][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.612279][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.612470][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.612680][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.612881][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.613073][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.613268][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.613462][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.613673][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.613871][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.614061][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.614248][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.614456][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.614688][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.614889][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.615077][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.615264][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.615452][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.615663][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.615866][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.616057][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.616248][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.616434][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.616645][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.616848][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.617036][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.617224][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.617417][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.617630][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.617833][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.618024][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.618213][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.618404][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.618624][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.618846][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.619071][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.619264][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.619451][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.619662][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.619884][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.620074][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.620265][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.620456][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.620667][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.620868][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.621055][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.621241][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.621429][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.621671][  T193] RIP: 0033:0x7f50c8b7008e
[    9.621880][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.622416][  T193] RSP: 002b:00007ffeb4f1ee50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.622696][  T193] RAX: ffffffffffffffda RBX: 00007ffeb4f1f5e8 RCX: 00007f50c8b7008e
[    9.622961][  T193] RDX: 0000000000000000 RSI: 00007ffeb4f1ef00 RDI: 0000000000000005
[    9.623217][  T193] RBP: 00007ffeb4f1ee60 R08: 0000000000000000 R09: 0000000000000000
[    9.623480][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce96
[    9.623760][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb4f1f5c0
| [    9.633662][  T193] ------------[ cut here ]------------
| [    9.633889][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.634171][  T193] Modules linked in: veth
| [    9.634681][  T193] Tainted: [W]=WARN
[    9.634842][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.635057][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.635291][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.635851][  T193] RSP: 0018:ffa00000006471b0 EFLAGS: 00010286
[    9.636070][  T193] RAX: 00000000ffffffa6 RBX: ff11000004d1f1c0 RCX: 1ff40000000c8dfc
[    9.636317][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d1f278
[    9.636570][  T193] RBP: ff1100000c459000 R08: 1fe22000009a3e50 R09: ff1100000c450b80
[    9.636901][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.637148][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.637398][  T193] FS:  00007f50c8936840(0000) GS:ff110000908b0000(0000) knlGS:0000000000000000
[    9.637708][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.637939][  T193] CR2: 000000000042ebe0 CR3: 000000000c4fa002 CR4: 0000000000771ef0
[    9.638188][  T193] PKRU: 55555554
[    9.638337][  T193] Call Trace:
[    9.638507][  T193]  <TASK>
[    9.638647][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.638845][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.639004][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.639191][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.639374][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.639556][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.639769][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.639959][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.640159][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.640346][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.640529][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.640742][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.640940][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.641126][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.641307][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.641491][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.641695][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.641892][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.642082][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.642266][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.642450][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.642651][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.642846][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.643027][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.643212][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.643396][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.643803][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.643987][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.644171][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.644357][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.644539][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.644745][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.644943][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.645126][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.645332][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.645525][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.645731][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.645924][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.646107][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.646290][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.646523][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.646734][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.646924][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.647109][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.647300][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.647485][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.647695][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.647890][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.648074][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.648259][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.648442][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.648646][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.648840][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.649053][  T193] RIP: 0033:0x7f50c8b7008e
[    9.649244][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.649789][  T193] RSP: 002b:00007ffeb4f1ee50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.650040][  T193] RAX: ffffffffffffffda RBX: 00007ffeb4f1f5e8 RCX: 00007f50c8b7008e
[    9.650291][  T193] RDX: 0000000000000000 RSI: 00007ffeb4f1ef00 RDI: 0000000000000005
[    9.650537][  T193] RBP: 00007ffeb4f1ee60 R08: 0000000000000000 R09: 0000000000000000
[    9.650815][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce96


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