======================================
| xx__-> [    9.254252][  T185] ------------[ cut here ]------------
| [    9.254518][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.255383][  T185] Modules linked in: veth
| [    9.255990][  T185] Tainted: [W]=WARN
[    9.256106][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.256356][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.256582][  T185] 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
[    9.257130][  T185] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.257311][  T185] RAX: 00000000ffffffa6 RBX: ff110000095c2e40 RCX: 1ff4000000116d8c
[    9.257559][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095c2ef8
[    9.257830][  T185] RBP: ff1100000523c000 R08: 1fe22000012b85e0 R09: ff1100000c112e80
[    9.258083][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.258299][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b2b9200
[    9.258521][  T185] FS:  00007f26c6f6c840(0000) GS:ff110000ac130000(0000) knlGS:0000000000000000
[    9.258777][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.258959][  T185] CR2: 000056468b5c5850 CR3: 0000000004d2c002 CR4: 0000000000771ef0
[    9.259183][  T185] PKRU: 55555554
[    9.259288][  T185] Call Trace:
[    9.259395][  T185]  <TASK>
[    9.259474][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.259697][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.259849][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.259956][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.260106][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.260249][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.260413][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.260591][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.260736][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.260889][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.261097][  T185]  ? 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)
[    9.261279][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.261427][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.261601][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.261755][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.261903][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.262094][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.262236][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.262380][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.262625][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.262777][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.262924][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.263073][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.263252][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.263395][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.263567][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.263711][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.264085][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.264235][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.264381][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.264544][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.264688][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.264834][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.264974][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.265120][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.265269][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.265413][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.265601][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.265776][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.265918][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.266082][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.266225][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.266364][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.266530][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.266685][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.266834][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.266978][  T185]  ? 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))
[    9.267126][  T185]  ? 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))
[    9.267269][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.267420][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.267593][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.267735][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.267886][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.268030][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.268180][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.268324][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.268470][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.268647][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.268798][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.268942][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.269117][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.269274][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.269420][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.269604][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.269744][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.269895][  T185]  ? 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)
[    9.270039][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.270187][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.270367][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.270528][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.270699][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.270847][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.271024][  T185] RIP: 0033:0x7f26c71a608e
[    9.271181][  T185] 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
[    9.271714][  T185] RSP: 002b:00007ffccb843f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.271968][  T185] RAX: ffffffffffffffda RBX: 00007ffccb8446c8 RCX: 00007f26c71a608e
[    9.272196][  T185] RDX: 0000000000000000 RSI: 00007ffccb843fe0 RDI: 0000000000000005
[    9.272408][  T185] RBP: 00007ffccb843f40 R08: 0000000000000000 R09: 0000000000000000
[    9.272629][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfb3
[    9.272845][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccb8446a0
| [    9.281989][  T185] ------------[ cut here ]------------
| [    9.282231][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [    9.282598][  T185] Modules linked in: veth
| [    9.283292][  T185] Tainted: [W]=WARN
[    9.283447][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.283711][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.283955][  T185] 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
[    9.284560][  T185] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.284822][  T185] RAX: 00000000ffffffa6 RBX: ff11000004e1aac0 RCX: 1ff4000000116dfc
[    9.285103][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e1ab78
[    9.285373][  T185] RBP: ff110000058f4000 R08: 1fe22000009c3570 R09: ff1100000c112e80
[    9.285671][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.285951][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.286234][  T185] FS:  00007f26c6f6c840(0000) GS:ff110000ac0b0000(0000) knlGS:0000000000000000
[    9.286556][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.286813][  T185] CR2: 00005646b39fc020 CR3: 0000000004d2c001 CR4: 0000000000771ef0
[    9.287072][  T185] PKRU: 55555554
[    9.287236][  T185] Call Trace:
[    9.287389][  T185]  <TASK>
[    9.287517][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.287729][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.287902][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.288126][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.288319][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.288720][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.288938][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.289142][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.289331][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.289560][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.289775][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.289970][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.290175][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.290367][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.290598][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.290806][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.290992][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.291192][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.291388][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.291600][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.291805][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.291992][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.292192][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.292379][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.292593][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.292801][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.292992][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.293192][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.293383][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.293599][  T185]  ? 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))
[    9.293803][  T185]  ? 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))
[    9.293993][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.294196][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.294386][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.294602][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.294814][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.295003][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.295208][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.295398][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.295860][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.296090][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.296287][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.296487][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.296676][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.296887][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.297079][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.297272][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.297461][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.297685][  T185]  ? 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)
[    9.297890][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.298085][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.298300][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.298496][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.298685][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.298889][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.299125][  T185] RIP: 0033:0x7f26c71a608e
[    9.299320][  T185] 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
[    9.299871][  T185] RSP: 002b:00007ffccb843f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.300246][  T185] RAX: ffffffffffffffda RBX: 00007ffccb8446c8 RCX: 00007f26c71a608e
[    9.300522][  T185] RDX: 0000000000000000 RSI: 00007ffccb843fe0 RDI: 0000000000000005
[    9.300808][  T185] RBP: 00007ffccb843f40 R08: 0000000000000000 R09: 0000000000000000
[    9.301065][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfb3
[    9.301423][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccb8446a0
| [    9.428771][  T193] ------------[ cut here ]------------
| [    9.428964][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.429234][  T193] Modules linked in: veth
| [    9.429668][  T193] Tainted: [W]=WARN
[    9.429886][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.430084][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.430281][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.430939][  T193] RSP: 0018:ffa00000004b6e30 EFLAGS: 00010286
[    9.431140][  T193] RAX: 00000000ffffffa6 RBX: ff1100000936f8c0 RCX: 1ff4000000096d8c
[    9.431362][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000936f978
[    9.431589][  T193] RBP: ff11000009cfc000 R08: 1fe220000126df30 R09: ff1100000c1eae80
[    9.431912][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.432145][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000961f500
[    9.432366][  T193] FS:  00007fc232cab840(0000) GS:ff110000ac130000(0000) knlGS:0000000000000000
[    9.432632][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.432898][  T193] CR2: 000000000042ebe0 CR3: 000000000c99c004 CR4: 0000000000771ef0
[    9.433143][  T193] PKRU: 55555554
[    9.433258][  T193] Call Trace:
[    9.433370][  T193]  <TASK>
[    9.433450][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.433615][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.433726][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.433964][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.434130][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.434276][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.434431][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.434585][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.434737][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.434891][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.435044][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.435201][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.435349][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.435505][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.435659][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.435816][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.436002][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.436159][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.436305][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.436471][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.436619][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.436770][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.436929][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.437081][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.437228][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.437373][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.437525][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.437669][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.437824][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.437972][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.438121][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.438266][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.438412][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.438564][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.438718][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.438875][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.439021][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.439177][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.439326][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.439479][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.439628][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.439784][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.439930][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.440085][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.440232][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.440379][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.440542][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.440686][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.440839][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.440984][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.441135][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.441281][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.441427][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.441583][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.441730][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.441881][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.442026][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.442210][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.442364][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.442520][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.442675][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.442842][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.442991][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.443158][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.443307][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.443454][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.443605][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.443806][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.443952][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.444104][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.444283][  T193] RIP: 0033:0x7fc232ee508e
[    9.444439][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.444970][  T193] RSP: 002b:00007ffd5ea808c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.445201][  T193] RAX: ffffffffffffffda RBX: 00007ffd5ea81058 RCX: 00007fc232ee508e
[    9.445420][  T193] RDX: 0000000000000000 RSI: 00007ffd5ea80970 RDI: 0000000000000005
[    9.445671][  T193] RBP: 00007ffd5ea808d0 R08: 0000000000000000 R09: 0000000000000000
[    9.445896][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfb3
[    9.446118][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5ea81030
| [    9.472065][  T193] ------------[ cut here ]------------
| [    9.472253][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.472518][  T193] Modules linked in: veth
| [    9.473110][  T193] Tainted: [W]=WARN
[    9.473218][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.473394][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.473647][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.474170][  T193] RSP: 0018:ffa00000004b71b0 EFLAGS: 00010286
[    9.474362][  T193] RAX: 00000000ffffffa6 RBX: ff1100000db8b380 RCX: 1ff4000000096dfc
[    9.474600][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000db8b438
[    9.474814][  T193] RBP: ff11000009c29000 R08: 1fe2200001b71688 R09: ff1100000c1eae80
[    9.475030][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.475242][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.475450][  T193] FS:  00007fc232cab840(0000) GS:ff110000ac130000(0000) knlGS:0000000000000000
[    9.475701][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.475885][  T193] CR2: 000056468b5b4280 CR3: 000000000c99c004 CR4: 0000000000771ef0
[    9.476099][  T193] PKRU: 55555554
[    9.476205][  T193] Call Trace:
[    9.476309][  T193]  <TASK>
[    9.476382][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.476563][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.476674][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.476823][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.476965][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.477114][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.477257][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.477398][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.477566][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.477711][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.477882][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.478042][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.478190][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.478331][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.478478][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.478650][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.478796][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.478933][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.479084][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.479227][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.479366][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.479522][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.479674][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.479819][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.479962][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.480105][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.480250][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.480393][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.480558][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.480726][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.480874][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.481014][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.481162][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.481301][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.481445][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.481606][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.481753][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.481899][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.482040][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.482184][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.482355][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.482510][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.482651][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.482797][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.482946][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.483094][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.483235][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.483378][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.483529][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.483670][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.483816][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.483957][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.484104][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.484276][  T193] RIP: 0033:0x7fc232ee508e
[    9.484424][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.484944][  T193] RSP: 002b:00007ffd5ea808c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.485180][  T193] RAX: ffffffffffffffda RBX: 00007ffd5ea81058 RCX: 00007fc232ee508e
[    9.485388][  T193] RDX: 0000000000000000 RSI: 00007ffd5ea80970 RDI: 0000000000000005
[    9.485611][  T193] RBP: 00007ffd5ea808d0 R08: 0000000000000000 R09: 0000000000000000
[    9.485827][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfb3
[    9.486039][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5ea81030
| [    9.703540][  T209] ------------[ cut here ]------------
| [    9.703766][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/209
| [    9.704062][  T209] Modules linked in: veth
| [    9.704473][  T209] Tainted: [W]=WARN
[    9.704607][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.704815][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.705019][  T209] 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
[    9.705565][  T209] RSP: 0018:ffa0000000926e30 EFLAGS: 00010286
[    9.705763][  T209] RAX: 00000000ffffffa6 RBX: ff11000004eac200 RCX: 1ff4000000124d8c
[    9.705989][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004eac2b8
[    9.706206][  T209] RBP: ff11000004efc000 R08: 1fe22000009d5858 R09: ff1100000c2a5180
[    9.706418][  T209] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.706668][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000051adc80
[    9.706886][  T209] FS:  00007f07e676c840(0000) GS:ff110000ac030000(0000) knlGS:0000000000000000
[    9.707137][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.707312][  T209] CR2: 00007f07e6bac000 CR3: 000000000d17c001 CR4: 0000000000771ef0
[    9.707555][  T209] PKRU: 55555554
[    9.707661][  T209] Call Trace:
[    9.707834][  T209]  <TASK>
[    9.707908][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.708082][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.708246][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.708353][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.708526][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[    9.708672][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.708875][  T209]  ? 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)
[    9.709019][  T209]  ? netif_change_name (net/core/dev.c:1495)
[    9.709164][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.709303][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.709441][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.709586][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.709725][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.709951][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.710100][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.710241][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.710383][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.710534][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[    9.710678][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.710912][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.711079][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.711221][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.711376][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.711534][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.711677][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.711877][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.712019][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.712180][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.712325][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.712472][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.713337][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.713518][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.713662][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.713810][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.713950][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.714116][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.714279][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.714420][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.714572][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.714716][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.714864][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.715025][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.715194][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.715339][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.715489][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.715627][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.715801][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.715946][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.716094][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.716237][  T209]  ? 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))
[    9.716381][  T209]  ? 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))
[    9.716571][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.716719][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.716869][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.717012][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.717160][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.717306][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.717453][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.717618][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.717795][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.717970][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[    9.718123][  T209]  ___sys_sendmsg (net/socket.c:2752)
[    9.718264][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.718417][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.718594][  T209]  ? 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))
[    9.718738][  T209]  __sys_sendmsg (net/socket.c:2784)
[    9.718883][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.719046][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.719194][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.719336][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.719486][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.719629][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.719776][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.719949][  T209] RIP: 0033:0x7f07e69a608e
[    9.720110][  T209] 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
[    9.720615][  T209] RSP: 002b:00007ffda4ef62a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.720835][  T209] RAX: ffffffffffffffda RBX: 00007ffda4ef6a38 RCX: 00007f07e69a608e
[    9.721046][  T209] RDX: 0000000000000000 RSI: 00007ffda4ef6350 RDI: 0000000000000005
[    9.721282][  T209] RBP: 00007ffda4ef62b0 R08: 0000000000000000 R09: 0000000000000000
[    9.721514][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfb4
[    9.721733][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda4ef6a10
| [    9.729394][  T209] ------------[ cut here ]------------
| [    9.729607][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/209
| [    9.730419][  T209] Modules linked in: veth
| [    9.730878][  T209] Tainted: [W]=WARN
[    9.730984][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.731238][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.731420][  T209] 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
[    9.732040][  T209] RSP: 0018:ffa00000009271b0 EFLAGS: 00010286
[    9.732247][  T209] RAX: 00000000ffffffa6 RBX: ff11000004aa43c0 RCX: 1ff4000000124dfc
[    9.732454][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004aa4478
[    9.732664][  T209] RBP: ff11000004ef9000 R08: 1fe2200000954890 R09: ff1100000c2a5180
[    9.732928][  T209] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.733140][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.733345][  T209] FS:  00007f07e676c840(0000) GS:ff110000ac030000(0000) knlGS:0000000000000000
[    9.733592][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.733872][  T209] CR2: 00007f07e6bac000 CR3: 000000000d17c001 CR4: 0000000000771ef0
[    9.734084][  T209] PKRU: 55555554
[    9.734187][  T209] Call Trace:
[    9.734290][  T209]  <TASK>
[    9.734362][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.734508][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.734612][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[    9.734807][  T209]  ? netif_change_name (net/core/dev.c:1495)
[    9.734955][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.735102][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.735241][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.735383][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.735557][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.735701][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.735901][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.736048][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.736195][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.736335][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.736481][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.736620][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.736817][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.736960][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.737113][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.737253][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.737413][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.737558][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.737698][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.737897][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.738059][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.738219][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.738504][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.738643][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.738843][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.738987][  T209]  ? 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))
[    9.739132][  T209]  ? 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))
[    9.739271][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.739412][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.739557][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.739726][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.739925][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.740084][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.740231][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.740370][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.740532][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.740711][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[    9.740918][  T209]  ___sys_sendmsg (net/socket.c:2752)
[    9.741083][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.741243][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.741391][  T209]  ? 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))
[    9.741559][  T209]  __sys_sendmsg (net/socket.c:2784)
[    9.741703][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.741909][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.742049][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.742194][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.742332][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.742478][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.742647][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.742883][  T209] RIP: 0033:0x7f07e69a608e
[    9.743030][  T209] 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
[    9.743576][  T209] RSP: 002b:00007ffda4ef62a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.743843][  T209] RAX: ffffffffffffffda RBX: 00007ffda4ef6a38 RCX: 00007f07e69a608e
[    9.744050][  T209] RDX: 0000000000000000 RSI: 00007ffda4ef6350 RDI: 0000000000000005
[    9.744261][  T209] RBP: 00007ffda4ef62b0 R08: 0000000000000000 R09: 0000000000000000
[    9.744475][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfb4


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