======================================
| xx__-> [    8.358289][  T186] ------------[ cut here ]------------
| [    8.358487][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    8.358723][  T186] Modules linked in: veth
| [    8.359160][  T186] Tainted: [W]=WARN
[    8.359265][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.359432][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.359703][  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
[    8.360368][  T186] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[    8.360534][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b2ffe00 RCX: 1ff4000000126d8c
[    8.360731][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2ffeb8
[    8.360965][  T186] RBP: ff1100000a0ac000 R08: 1fe220000165ffd8 R09: ff1100000cf7ae80
[    8.361174][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.361371][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000554f880
[    8.361751][  T186] FS:  00007f2280161840(0000) GS:ff110000837b0000(0000) knlGS:0000000000000000
[    8.361981][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.362157][  T186] CR2: 000000000042ebe0 CR3: 000000000cc9f003 CR4: 0000000000771ef0
[    8.362352][  T186] PKRU: 55555554
[    8.362451][  T186] Call Trace:
[    8.362551][  T186]  <TASK>
[    8.362619][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.362786][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.363006][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.363205][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.363343][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.363475][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.363694][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.363826][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.363957][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.364187][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    8.364527][  T186]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    8.364782][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.364912][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.365048][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.365185][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    8.365404][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.365655][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.365787][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.365918][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.366070][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.366208][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.366429][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.366560][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.366780][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.366911][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.367044][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.367219][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.367349][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.367484][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.367617][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.367748][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.367965][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.368250][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.368380][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.368515][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.368649][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.368780][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.368909][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.369050][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.369190][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.369320][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.369451][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.369579][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.369711][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.369842][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.369971][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.370108][  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))
[    8.370242][  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))
[    8.370374][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.370504][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.370635][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.370766][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.370990][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.371128][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.371261][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.371391][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.371526][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.371687][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    8.371916][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    8.372049][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.372185][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.372501][  T186]  __sys_sendmsg (net/socket.c:2784)
[    8.372631][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.372761][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.372890][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.373027][  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)
[    8.373250][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.373381][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.373511][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.373641][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.373771][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.373901][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.374067][  T186] RIP: 0033:0x7f228039b08e
[    8.374302][  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
[    8.374765][  T186] RSP: 002b:00007ffeb348fc40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.374961][  T186] RAX: ffffffffffffffda RBX: 00007ffeb34903d8 RCX: 00007f228039b08e
[    8.375164][  T186] RDX: 0000000000000000 RSI: 00007ffeb348fcf0 RDI: 0000000000000005
[    8.375364][  T186] RBP: 00007ffeb348fc50 R08: 0000000000000000 R09: 0000000000000000
[    8.375557][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c529
[    8.376045][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb34903b0
| [    8.399526][  T186] ------------[ cut here ]------------
| [    8.399682][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    8.399919][  T186] Modules linked in: veth
| [    8.400289][  T186] Tainted: [W]=WARN
[    8.400386][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.400545][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.400711][  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
[    8.401172][  T186] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[    8.401335][  T186] RAX: 00000000ffffffa6 RBX: ff1100000bdf5540 RCX: 1ff4000000126dfc
[    8.401524][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bdf55f8
[    8.401711][  T186] RBP: ff110000074f4000 R08: 1fe22000017beac0 R09: ff1100000cf7ae80
[    8.401900][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.402095][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.402343][  T186] FS:  00007f2280161840(0000) GS:ff11000083930000(0000) knlGS:0000000000000000
[    8.402566][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.402725][  T186] CR2: 0000556a2022ddf8 CR3: 000000000cc9f002 CR4: 0000000000771ef0
[    8.402913][  T186] PKRU: 55555554
[    8.403008][  T186] Call Trace:
[    8.403109][  T186]  <TASK>
[    8.403229][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.403359][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.403456][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.403585][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.403712][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.403838][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.403967][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.404101][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.404283][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.404462][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.404587][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.404719][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.404849][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.404976][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.405109][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.405292][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.405418][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.405544][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.405674][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.405802][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.405928][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.406059][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.406240][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.406366][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.406494][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.406621][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.406749][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.406883][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.407015][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.407203][  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))
[    8.407331][  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))
[    8.407459][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.407587][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.407714][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.407841][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.407968][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.408101][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.408284][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.408414][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.408542][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.408700][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    8.408831][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    8.408958][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.409089][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.409282][  T186]  __sys_sendmsg (net/socket.c:2784)
[    8.409411][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.409538][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.409663][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.409791][  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)
[    8.409916][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.410046][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.410227][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.410354][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.410480][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.410607][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.410763][  T186] RIP: 0033:0x7f228039b08e
[    8.410897][  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
[    8.411406][  T186] RSP: 002b:00007ffeb348fc40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.411685][  T186] RAX: ffffffffffffffda RBX: 00007ffeb34903d8 RCX: 00007f228039b08e
[    8.411873][  T186] RDX: 0000000000000000 RSI: 00007ffeb348fcf0 RDI: 0000000000000005
[    8.412067][  T186] RBP: 00007ffeb348fc50 R08: 0000000000000000 R09: 0000000000000000
[    8.412562][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c529
[    8.412836][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb34903b0
| [    8.563385][  T193] ------------[ cut here ]------------
| [    8.563563][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [    8.563809][  T193] Modules linked in: veth
| [    8.564212][  T193] Tainted: [W]=WARN
[    8.564317][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.564489][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.564669][  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
[    8.565169][  T193] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[    8.565340][  T193] RAX: 00000000ffffffa6 RBX: ff11000008aa8c80 RCX: 1ff400000010ed8c
[    8.565548][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008aa8d38
[    8.565749][  T193] RBP: ff1100000d1cc000 R08: 1fe22000011551a8 R09: ff1100000b39ae80
[    8.565952][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.566167][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e021580
[    8.566372][  T193] FS:  00007f134538b840(0000) GS:ff110000837b0000(0000) knlGS:0000000000000000
[    8.566613][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.566785][  T193] CR2: 00007ffcac821fb8 CR3: 000000000e2d8006 CR4: 0000000000771ef0
[    8.566993][  T193] PKRU: 55555554
[    8.567101][  T193] Call Trace:
[    8.567208][  T193]  <TASK>
[    8.567281][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.567423][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.567526][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.567699][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    8.567841][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    8.567977][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.568126][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.568265][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.568402][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.568540][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.568682][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.568822][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.568957][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.569099][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.569243][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    8.569379][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.569547][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.569686][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.569822][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.569973][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.570113][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.570256][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.570390][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.570527][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.570663][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.570800][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.570933][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.571071][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.571218][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.571357][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.571492][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.571624][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.571760][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.571895][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.572030][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.572173][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.572309][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.572444][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.572578][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.572712][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.572845][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.572981][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.573123][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.573262][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.573396][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.573531][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.573669][  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))
[    8.573803][  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))
[    8.573938][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.574077][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.574219][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.574354][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.574489][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.574625][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.574764][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.574900][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.575038][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.575214][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    8.575353][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    8.575490][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.575625][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.575771][  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))
[    8.575910][  T193]  __sys_sendmsg (net/socket.c:2784)
[    8.576051][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.576201][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.576341][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.576482][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.576617][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.576754][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.576893][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.577066][  T193] RIP: 0033:0x7f13455c508e
[    8.577214][  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
[    8.577699][  T193] RSP: 002b:00007fff4e46bba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.577904][  T193] RAX: ffffffffffffffda RBX: 00007fff4e46c338 RCX: 00007f13455c508e
[    8.578108][  T193] RDX: 0000000000000000 RSI: 00007fff4e46bc50 RDI: 0000000000000005
[    8.578315][  T193] RBP: 00007fff4e46bbb0 R08: 0000000000000000 R09: 0000000000000000
[    8.578517][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c52a
[    8.578719][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4e46c310
| [    8.601023][  T193] ------------[ cut here ]------------
| [    8.601190][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [    8.601427][  T193] Modules linked in: veth
| [    8.601863][  T193] Tainted: [W]=WARN
[    8.601963][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.602138][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.602311][  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
[    8.602779][  T193] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[    8.602946][  T193] RAX: 00000000ffffffa6 RBX: ff11000002722900 RCX: 1ff400000010edfc
[    8.603156][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000027229b8
[    8.603355][  T193] RBP: ff1100000d1c9000 R08: 1fe22000004e4538 R09: ff1100000b39ae80
[    8.603552][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.603750][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.603948][  T193] FS:  00007f134538b840(0000) GS:ff110000837b0000(0000) knlGS:0000000000000000
[    8.604187][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.604352][  T193] CR2: 0000562fe1b19000 CR3: 000000000e2d8001 CR4: 0000000000771ef0
[    8.604550][  T193] PKRU: 55555554
[    8.604649][  T193] Call Trace:
[    8.604749][  T193]  <TASK>
[    8.604818][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.604954][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.605058][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    8.605196][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    8.605330][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.605461][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.605595][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.605730][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.605861][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.605992][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.606130][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.606269][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.606405][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.606538][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.606674][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.606809][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.606941][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.607078][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.607221][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.607353][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.607483][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.607614][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.607744][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.607878][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.608014][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.608153][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.608283][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.608414][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.608544][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.608678][  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))
[    8.608809][  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))
[    8.608941][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.609080][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.609276][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.609409][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.609541][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.609674][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.609810][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.609943][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.610081][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.610310][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    8.610447][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    8.610578][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.610708][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.610849][  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))
[    8.610986][  T193]  __sys_sendmsg (net/socket.c:2784)
[    8.611127][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.611261][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.611394][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.611525][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.611655][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.611791][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.611922][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.612091][  T193] RIP: 0033:0x7f13455c508e
[    8.612233][  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
[    8.612692][  T193] RSP: 002b:00007fff4e46bba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.612891][  T193] RAX: ffffffffffffffda RBX: 00007fff4e46c338 RCX: 00007f13455c508e
[    8.613091][  T193] RDX: 0000000000000000 RSI: 00007fff4e46bc50 RDI: 0000000000000005
[    8.613290][  T193] RBP: 00007fff4e46bbb0 R08: 0000000000000000 R09: 0000000000000000
[    8.613486][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c52a


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