======================================
| xx__-> [    8.949265][  T187] ------------[ cut here ]------------
| [    8.949524][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/187
| [    8.949832][  T187] Modules linked in: veth
| [    8.950452][  T187] Tainted: [W]=WARN
[    8.950615][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.950848][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.951085][  T187] 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
[    8.951708][  T187] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    8.951939][  T187] RAX: 00000000ffffffa6 RBX: ff1100000c1891c0 RCX: 1ff4000000116d8c
[    8.952208][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c189278
[    8.952472][  T187] RBP: ff11000005211000 R08: 1fe2200001831250 R09: ff1100000d640b80
[    8.952795][  T187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.953052][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000911b500
[    8.953345][  T187] FS:  00007fa423670840(0000) GS:ff11000089cb0000(0000) knlGS:0000000000000000
[    8.953666][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.953903][  T187] CR2: 000000000042ebe0 CR3: 000000000c97f006 CR4: 0000000000771ef0
[    8.954175][  T187] PKRU: 55555554
[    8.954339][  T187] Call Trace:
[    8.954495][  T187]  <TASK>
[    8.954630][  T187]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.954855][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.955165][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.955327][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.955519][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.955717][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    8.955908][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.956097][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    8.956370][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.956627][  T187]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    8.956894][  T187]  ? 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)
[    8.957117][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.957329][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.957521][  T187]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.957723][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[    8.957913][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.958140][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.958358][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.958613][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.958850][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.959040][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.959254][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.959445][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.959650][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.959841][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.960032][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.960233][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.960441][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.960646][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.960844][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.961033][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.961234][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.961434][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.961636][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.961825][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.962018][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.962224][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.962515][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.962719][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.962910][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.963202][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.963399][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.963596][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.963788][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.964071][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.964370][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.964572][  T187]  ? 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))
[    8.964765][  T187]  ? 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))
[    8.965050][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.965263][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.965548][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.965751][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.965943][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.966134][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.966351][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.966542][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.966837][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.967058][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    8.967369][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    8.967562][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.967851][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.968165][  T187]  __sys_sendmsg (net/socket.c:2784)
[    8.968364][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.968555][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.968863][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.969166][  T187]  ? 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)
[    8.969371][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.969565][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.969763][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.969953][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.970142][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.970359][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.970588][  T187] RIP: 0033:0x7fa4238aa08e
[    8.970906][  T187] 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
[    8.971684][  T187] RSP: 002b:00007ffe21144950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.971947][  T187] RAX: ffffffffffffffda RBX: 00007ffe211450e8 RCX: 00007fa4238aa08e
[    8.972217][  T187] RDX: 0000000000000000 RSI: 00007ffe21144a00 RDI: 0000000000000005
[    8.972486][  T187] RBP: 00007ffe21144960 R08: 0000000000000000 R09: 0000000000000000
[    8.972948][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbcb
[    8.973326][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe211450c0
| [    8.996575][  T187] ------------[ cut here ]------------
| [    8.996796][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/187
| [    8.997085][  T187] Modules linked in: veth
| [    8.997711][  T187] Tainted: [W]=WARN
[    8.997863][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.998079][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.998329][  T187] 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
[    8.998873][  T187] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    8.999090][  T187] RAX: 00000000ffffffa6 RBX: ff11000004b1a580 RCX: 1ff4000000116dfc
[    8.999362][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b1a638
[    8.999624][  T187] RBP: ff110000058f1000 R08: 1fe22000009634c8 R09: ff1100000d640b80
[    8.999890][  T187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.000137][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.000412][  T187] FS:  00007fa423670840(0000) GS:ff11000089cb0000(0000) knlGS:0000000000000000
[    9.000713][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.000932][  T187] CR2: 000000000042ebe0 CR3: 000000000c97f006 CR4: 0000000000771ef0
[    9.001193][  T187] PKRU: 55555554
[    9.001352][  T187] Call Trace:
[    9.001499][  T187]  <TASK>
[    9.001628][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.001815][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.001968][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.002166][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.002360][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.002541][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.002740][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.002928][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.003111][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.003316][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.003502][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.003703][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.003891][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.004080][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.004282][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.004467][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.004660][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.004844][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.005031][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.005228][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.005422][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.005616][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.005803][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.005985][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.006181][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.006370][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.006557][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.006748][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.006933][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.007121][  T187]  ? 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))
[    9.007347][  T187]  ? 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))
[    9.007534][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.007729][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.007913][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.008096][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.008328][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.008513][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.008711][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.008895][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.009077][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.009310][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.009498][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.009691][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.009875][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.010073][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.010274][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.010458][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.010652][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.010838][  T187]  ? 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)
[    9.011020][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.011217][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.011413][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.011604][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.011788][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.011973][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.012199][  T187] RIP: 0033:0x7fa4238aa08e
[    9.012396][  T187] 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
[    9.012962][  T187] RSP: 002b:00007ffe21144950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.013227][  T187] RAX: ffffffffffffffda RBX: 00007ffe211450e8 RCX: 00007fa4238aa08e
[    9.013485][  T187] RDX: 0000000000000000 RSI: 00007ffe21144a00 RDI: 0000000000000005
[    9.013743][  T187] RBP: 00007ffe21144960 R08: 0000000000000000 R09: 0000000000000000
[    9.013994][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbcb
[    9.014263][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe211450c0
| [    9.186896][  T194] ------------[ cut here ]------------
| [    9.187090][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.187838][  T194] Modules linked in: veth
| [    9.188273][  T194] Tainted: [W]=WARN
[    9.188382][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.188564][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.188754][  T194] 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
[    9.189284][  T194] RSP: 0018:ffa0000000746e30 EFLAGS: 00010286
[    9.189466][  T194] RAX: 00000000ffffffa6 RBX: ff11000004c0c900 RCX: 1ff40000000e8d8c
[    9.189693][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c0c9b8
[    9.189912][  T194] RBP: ff1100000a13c000 R08: 1fe2200000981938 R09: ff1100000c708b80
[    9.190126][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.190351][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b89ee00
[    9.190567][  T194] FS:  00007fecdbfb5840(0000) GS:ff11000089bb0000(0000) knlGS:0000000000000000
[    9.190820][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.191001][  T194] CR2: 000000000042ebe0 CR3: 000000000c407002 CR4: 0000000000771ef0
[    9.191220][  T194] PKRU: 55555554
[    9.191331][  T194] Call Trace:
[    9.191438][  T194]  <TASK>
[    9.191513][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.191667][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.191775][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.191953][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.192101][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.192254][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.192396][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.192538][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.192692][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.192838][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.192983][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.193125][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.193278][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.193418][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.193565][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.193713][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.193891][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.194036][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.194183][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.194346][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.194489][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.194635][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.194782][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.194924][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.195068][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.195217][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.195364][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.195506][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.195658][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.195807][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.195951][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.196093][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.196249][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.196389][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.196530][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.196682][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.196827][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.196970][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.197137][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.197297][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.197442][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.197591][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.197733][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.197878][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.198025][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.198171][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.198326][  T194]  ? 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))
[    9.198467][  T194]  ? 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))
[    9.198615][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.198761][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.198903][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.199049][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.199199][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.199382][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.199528][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.199679][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.199823][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.200000][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.200152][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.200322][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.200466][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.200626][  T194]  ? 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))
[    9.200775][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.200919][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.201068][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.201217][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.201367][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.201511][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.201660][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.201808][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.201987][  T194] RIP: 0033:0x7fecdc1ef08e
[    9.202138][  T194] 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
[    9.202661][  T194] RSP: 002b:00007ffe457a85d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.202878][  T194] RAX: ffffffffffffffda RBX: 00007ffe457a8d68 RCX: 00007fecdc1ef08e
[    9.203091][  T194] RDX: 0000000000000000 RSI: 00007ffe457a8680 RDI: 0000000000000005
[    9.203332][  T194] RBP: 00007ffe457a85e0 R08: 0000000000000000 R09: 0000000000000000
[    9.203549][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbcb
[    9.203960][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe457a8d40
| [    9.250093][  T194] ------------[ cut here ]------------
| [    9.250291][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.250642][  T194] Modules linked in: veth
| [    9.251033][  T194] Tainted: [W]=WARN
[    9.251137][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.251351][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.251531][  T194] 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
[    9.252022][  T194] RSP: 0018:ffa00000007471b0 EFLAGS: 00010286
[    9.252199][  T194] RAX: 00000000ffffffa6 RBX: ff11000009b86740 RCX: 1ff40000000e8dfc
[    9.252448][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b867f8
[    9.252656][  T194] RBP: ff1100000a144000 R08: 1fe2200001370d00 R09: ff1100000c708b80
[    9.252864][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.253068][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.253283][  T194] FS:  00007fecdbfb5840(0000) GS:ff11000089bb0000(0000) knlGS:0000000000000000
[    9.253520][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.253695][  T194] CR2: 00007f788a2c3d80 CR3: 000000000c407002 CR4: 0000000000771ef0
[    9.253902][  T194] PKRU: 55555554
[    9.254005][  T194] Call Trace:
[    9.254111][  T194]  <TASK>
[    9.254231][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.254376][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.254481][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.254625][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.254765][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.254903][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.255045][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.255271][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.255410][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.255580][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.255717][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.255861][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.256002][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.256142][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.256474][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.256620][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.256756][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.256892][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.257034][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.257266][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.257406][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.257543][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.257686][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.257824][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.257963][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.258097][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.258269][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.258408][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.258544][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.258692][  T194]  ? 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))
[    9.258829][  T194]  ? 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))
[    9.258967][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.259105][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.259252][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.259390][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.259528][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.259672][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.259811][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.259949][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.260084][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.260264][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.260405][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.260540][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.260683][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.260829][  T194]  ? 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))
[    9.260969][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.261105][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.261257][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.261393][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.261531][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.261675][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.261813][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.261948][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.262115][  T194] RIP: 0033:0x7fecdc1ef08e
[    9.262265][  T194] 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
[    9.262750][  T194] RSP: 002b:00007ffe457a85d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.262953][  T194] RAX: ffffffffffffffda RBX: 00007ffe457a8d68 RCX: 00007fecdc1ef08e
[    9.263180][  T194] RDX: 0000000000000000 RSI: 00007ffe457a8680 RDI: 0000000000000005
[    9.263389][  T194] RBP: 00007ffe457a85e0 R08: 0000000000000000 R09: 0000000000000000
[    9.263596][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbcb
[    9.263800][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe457a8d40
| [    9.413923][  T200] ------------[ cut here ]------------
| [    9.414109][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.414375][  T200] Modules linked in: veth
| [    9.414785][  T200] Tainted: [W]=WARN
[    9.414892][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.415067][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.415266][  T200] 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
[    9.415773][  T200] RSP: 0018:ffa00000007d6e30 EFLAGS: 00010286
[    9.415950][  T200] RAX: 00000000ffffffa6 RBX: ff1100000575eac0 RCX: 1ff40000000fad8c
[    9.416162][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000575eb78
[    9.416384][  T200] RBP: ff1100000c241000 R08: 1fe2200000aebd70 R09: ff1100000c970b80
[    9.416599][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.416812][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009118400
[    9.417022][  T200] FS:  00007f06ea95d840(0000) GS:ff11000089bb0000(0000) knlGS:0000000000000000
[    9.417284][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.417463][  T200] CR2: 000000000042ebe0 CR3: 000000000c384003 CR4: 0000000000771ef0
[    9.417680][  T200] PKRU: 55555554
[    9.417786][  T200] Call Trace:
[    9.417892][  T200]  <TASK>
[    9.417965][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.418108][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.418259][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.418365][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.418505][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.418651][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.418791][  T200]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.418930][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.419069][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.419348][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.419488][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.419632][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.419775][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.419915][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.420054][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.420198][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.420346][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.420489][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.420634][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.420808][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.420950][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.421091][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.421253][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.421393][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.421535][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.421680][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.421821][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.421961][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.422100][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.422248][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.422387][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.422530][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.422677][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.422817][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.422954][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.423092][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.423234][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.423377][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.423519][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.423663][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.423804][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.423944][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.424082][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.424225][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.424372][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.424508][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.424654][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.424793][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.424932][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.425075][  T200]  ? 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))
[    9.425220][  T200]  ? 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))
[    9.425365][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.425505][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.425671][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.425817][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.425960][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.426100][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.426255][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.426398][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.426540][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.426718][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.426862][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.427002][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.427141][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.427303][  T200]  ? 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))
[    9.427445][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.427589][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.427731][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.427873][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.428013][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.428158][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.428303][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.428443][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.428622][  T200] RIP: 0033:0x7f06eab9708e
[    9.428769][  T200] 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
[    9.429322][  T200] RSP: 002b:00007ffdc94f25a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.429534][  T200] RAX: ffffffffffffffda RBX: 00007ffdc94f2d38 RCX: 00007f06eab9708e
[    9.429747][  T200] RDX: 0000000000000000 RSI: 00007ffdc94f2650 RDI: 0000000000000005
[    9.429954][  T200] RBP: 00007ffdc94f25b0 R08: 0000000000000000 R09: 0000000000000000
[    9.430168][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbcb
[    9.430383][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc94f2d10
| [    9.439839][  T200] ------------[ cut here ]------------
| [    9.439986][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.440744][  T200] Modules linked in: veth
| [    9.441133][  T200] Tainted: [W]=WARN
[    9.441299][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.441530][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.441714][  T200] 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
[    9.442256][  T200] RSP: 0018:ffa00000007d71b0 EFLAGS: 00010286
[    9.442429][  T200] RAX: 00000000ffffffa6 RBX: ff11000004ad5c40 RCX: 1ff40000000fadfc
[    9.442638][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ad5cf8
[    9.442843][  T200] RBP: ff1100000cac4000 R08: 1fe220000095aba0 R09: ff1100000c970b80
[    9.443044][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.443309][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.443511][  T200] FS:  00007f06ea95d840(0000) GS:ff11000089bb0000(0000) knlGS:0000000000000000
[    9.443753][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.443922][  T200] CR2: 000000000042ebe0 CR3: 000000000c384003 CR4: 0000000000771ef0
[    9.444124][  T200] PKRU: 55555554
[    9.444284][  T200] Call Trace:
[    9.444386][  T200]  <TASK>
[    9.444458][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.444599][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.444705][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.444843][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.444980][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.445116][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.445316][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.445457][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.445597][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.445735][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.445871][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.446014][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.446212][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.446358][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.446494][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.446636][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.446774][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.446909][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.447050][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.447251][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.447388][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.447525][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.447665][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.447802][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.447941][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.448076][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.448275][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.448412][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.448551][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.448694][  T200]  ? 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))
[    9.448830][  T200]  ? 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))
[    9.448968][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.449106][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.449303][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.449440][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.449581][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.449719][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.449856][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.449993][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.450128][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.450361][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.450502][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.450644][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.450780][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.450927][  T200]  ? 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))
[    9.451065][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.451264][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.451405][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.451539][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.451681][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.451817][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.451952][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.452089][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.452318][  T200] RIP: 0033:0x7f06eab9708e
[    9.452459][  T200] 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
[    9.452940][  T200] RSP: 002b:00007ffdc94f25a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.453145][  T200] RAX: ffffffffffffffda RBX: 00007ffdc94f2d38 RCX: 00007f06eab9708e
[    9.453412][  T200] RDX: 0000000000000000 RSI: 00007ffdc94f2650 RDI: 0000000000000005
[    9.453618][  T200] RBP: 00007ffdc94f25b0 R08: 0000000000000000 R09: 0000000000000000
[    9.453827][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbcb


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