======================================
| xx__-> [   12.774253][  T185] ------------[ cut here ]------------
| [   12.774698][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [   12.775071][  T185] Modules linked in: veth
| [   12.775775][  T185] Tainted: [W]=WARN
[   12.775933][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.776200][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.776474][  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
[   12.777344][  T185] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[   12.777680][  T185] RAX: 00000000ffffffa6 RBX: ff1100000c75bc40 RCX: 1ff4000000116d8c
[   12.778064][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c75bcf8
[   12.778441][  T185] RBP: ff11000007ff9000 R08: 1fe22000018eb7a0 R09: ff1100000c868b80
[   12.778800][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.779155][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bee000
[   12.779511][  T185] FS:  00007f5338a36840(0000) GS:ff1100007af30000(0000) knlGS:0000000000000000
[   12.779931][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.780225][  T185] CR2: 00007f7adcd9c808 CR3: 000000000d047003 CR4: 0000000000771ef0
[   12.780585][  T185] PKRU: 55555554
[   12.780762][  T185] Call Trace:
[   12.780937][  T185]  <TASK>
[   12.781057][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.781350][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.781602][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.781785][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.782019][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.782251][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   12.782481][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.782723][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   12.782953][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   12.783185][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   12.783413][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.783654][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.783881][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.784111][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.784343][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   12.784587][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.784875][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.785104][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.785334][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.785607][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.785838][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.786073][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.786302][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.786542][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.786783][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.787017][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.787246][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.787474][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.787726][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.787966][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.788197][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.788423][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.788661][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.788888][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.789143][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.789386][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.789626][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.789852][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.790081][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.790307][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.790545][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.790784][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.791011][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.791243][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.791470][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.791716][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.791954][  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))
[   12.792182][  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))
[   12.792419][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.792663][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.792932][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.793160][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.793392][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.793631][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.793867][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.794091][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.794312][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.794603][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   12.794835][  T185]  ? folio_add_lru_vma (mm/swap.c:536)
[   12.795068][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   12.795299][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.795532][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.795785][  T185]  ? 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))
[   12.796018][  T185]  __sys_sendmsg (net/socket.c:2784)
[   12.796247][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.796482][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.796722][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.796954][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.797184][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.797416][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.797657][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.797941][  T185] RIP: 0033:0x7f5338c7008e
[   12.798182][  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
[   12.799016][  T185] RSP: 002b:00007ffee5842d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.799365][  T185] RAX: ffffffffffffffda RBX: 00007ffee58434a8 RCX: 00007f5338c7008e
[   12.799722][  T185] RDX: 0000000000000000 RSI: 00007ffee5842dc0 RDI: 0000000000000005
[   12.800066][  T185] RBP: 00007ffee5842d20 R08: 0000000000000000 R09: 0000000000000000
[   12.800406][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf77
[   12.800757][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee5843480
| [   12.828046][  T185] ------------[ cut here ]------------
| [   12.828308][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   12.828621][  T185] Modules linked in: veth
| [   12.829119][  T185] Tainted: [W]=WARN
[   12.829272][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.829491][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.829748][  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
[   12.830293][  T185] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[   12.830530][  T185] RAX: 00000000ffffffa6 RBX: ff1100000b3d6200 RCX: 1ff4000000116dfc
[   12.830800][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3d62b8
[   12.831052][  T185] RBP: ff11000007bd1000 R08: 1fe220000167ac58 R09: ff1100000c868b80
[   12.831303][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.831575][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.831831][  T185] FS:  00007f5338a36840(0000) GS:ff1100007aeb0000(0000) knlGS:0000000000000000
[   12.832123][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.832344][  T185] CR2: 00007f5338e96430 CR3: 000000000d047004 CR4: 0000000000771ef0
[   12.832619][  T185] PKRU: 55555554
[   12.832775][  T185] Call Trace:
[   12.832926][  T185]  <TASK>
[   12.833045][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.833239][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.833394][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   12.833602][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   12.833791][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.833978][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.834169][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.834360][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.834601][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.834794][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.834979][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.835172][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.835366][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.835575][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.835761][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.835949][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.836136][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.836324][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.836531][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.836721][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.836906][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.837091][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.837276][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.837461][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.837728][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.837914][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.838103][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.838291][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.838477][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.838688][  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))
[   12.838879][  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))
[   12.839072][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.839259][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.839448][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.839663][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.839853][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.840041][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.840232][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.840421][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.840627][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.840846][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   12.841035][  T185]  ? folio_add_lru_vma (mm/swap.c:536)
[   12.841223][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   12.841410][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.841616][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.841818][  T185]  ? 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))
[   12.842009][  T185]  __sys_sendmsg (net/socket.c:2784)
[   12.842196][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.842384][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.842627][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.842819][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.843005][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.843191][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.843386][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.843626][  T185] RIP: 0033:0x7f5338c7008e
[   12.843824][  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
[   12.844376][  T185] RSP: 002b:00007ffee5842d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.844660][  T185] RAX: ffffffffffffffda RBX: 00007ffee58434a8 RCX: 00007f5338c7008e
[   12.844912][  T185] RDX: 0000000000000000 RSI: 00007ffee5842dc0 RDI: 0000000000000005
[   12.845163][  T185] RBP: 00007ffee5842d20 R08: 0000000000000000 R09: 0000000000000000
[   12.845412][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf77
[   12.845687][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee5843480
| [   13.018414][  T198] ------------[ cut here ]------------
| [   13.018670][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [   13.018983][  T198] Modules linked in: veth
| [   13.019486][  T198] Tainted: [W]=WARN
[   13.019665][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.019899][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.020140][  T198] 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
[   13.020718][  T198] RSP: 0018:ffa0000000506e30 EFLAGS: 00010286
[   13.020953][  T198] RAX: 00000000ffffffa6 RBX: ff11000005da0ac0 RCX: 1ff40000000a0d8c
[   13.021216][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005da0b78
[   13.021476][  T198] RBP: ff110000059c4000 R08: 1fe2200000bb4170 R09: ff1100000c530b80
[   13.022396][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.022763][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b834b00
[   13.023070][  T198] FS:  00007f30490f7840(0000) GS:ff1100007aeb0000(0000) knlGS:0000000000000000
[   13.023368][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.023620][  T198] CR2: 000055d66360af38 CR3: 000000000c4d4001 CR4: 0000000000771ef0
[   13.023900][  T198] PKRU: 55555554
[   13.024106][  T198] Call Trace:
[   13.024324][  T198]  <TASK>
[   13.024491][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.024790][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.025004][  T198]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   13.025254][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   13.025474][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   13.025761][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.026034][  T198]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.026324][  T198]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.026578][  T198]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.026786][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.026980][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.027210][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.027474][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.027770][  T198]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.028040][  T198] veth_newlink (drivers/net/veth.c:1871) veth
[   13.028303][  T198]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   13.028544][  T198]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.028747][  T198]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.028938][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.029146][  T198]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.029339][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.029544][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.029742][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.029933][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.030123][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.030314][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.030503][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.030715][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.030913][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.031107][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.031296][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.031485][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.031704][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.031892][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.032083][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.032284][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.032484][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.032705][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.032900][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.033089][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.033277][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.033469][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.033685][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.033882][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.034076][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.034267][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.034461][  T198]  ? 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))
[   13.034670][  T198]  ? 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))
[   13.034869][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.035064][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.035257][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.035451][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.035665][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.035860][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.036053][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.036250][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.036439][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.036688][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   13.036888][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   13.037080][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.037271][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.037472][  T198]  ? 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))
[   13.037686][  T198]  __sys_sendmsg (net/socket.c:2784)
[   13.037896][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.038100][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.038295][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.038606][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.038898][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.039108][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.039299][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.039642][  T198] RIP: 0033:0x7f304933108e
[   13.039942][  T198] 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
[   13.040488][  T198] RSP: 002b:00007fff46a66a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.040791][  T198] RAX: ffffffffffffffda RBX: 00007fff46a671b8 RCX: 00007f304933108e
[   13.041059][  T198] RDX: 0000000000000000 RSI: 00007fff46a66ad0 RDI: 0000000000000005
[   13.041415][  T198] RBP: 00007fff46a66a30 R08: 0000000000000000 R09: 0000000000000000
[   13.041707][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   13.041980][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff46a67190
| [   13.056019][  T198] ------------[ cut here ]------------
| [   13.056322][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [   13.056687][  T198] Modules linked in: veth
| [   13.057196][  T198] Tainted: [W]=WARN
[   13.057349][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.057597][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.057838][  T198] 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
[   13.058373][  T198] RSP: 0018:ffa00000005071b0 EFLAGS: 00010286
[   13.058616][  T198] RAX: 00000000ffffffa6 RBX: ff1100000d0771c0 RCX: 1ff40000000a0dfc
[   13.058872][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d077278
[   13.059123][  T198] RBP: ff11000007bf1000 R08: 1fe2200001a0ee50 R09: ff1100000c530b80
[   13.059384][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.059662][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.059921][  T198] FS:  00007f30490f7840(0000) GS:ff1100007aeb0000(0000) knlGS:0000000000000000
[   13.060212][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.060449][  T198] CR2: 000055d66360af38 CR3: 000000000c4d4001 CR4: 0000000000771ef0
[   13.060737][  T198] PKRU: 55555554
[   13.060896][  T198] Call Trace:
[   13.061049][  T198]  <TASK>
[   13.061172][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.061370][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.061545][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   13.061784][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   13.062018][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.062213][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.062403][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.062614][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.062807][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.062997][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.063183][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.063378][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.063590][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.063786][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.063973][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.064163][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.064350][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.064549][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.064750][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.064945][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.065131][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.065319][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.065503][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.065745][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.065934][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.066118][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.066307][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.066498][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.066847][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.067038][  T198]  ? 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))
[   13.067222][  T198]  ? 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))
[   13.067409][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.067616][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.067805][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.067993][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.068185][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.068374][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.068588][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.068780][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.068969][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.069189][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   13.069380][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   13.069595][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.069836][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.070035][  T198]  ? 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))
[   13.070226][  T198]  __sys_sendmsg (net/socket.c:2784)
[   13.070413][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.070628][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.070819][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.071013][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.071199][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.071386][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.071597][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.071818][  T198] RIP: 0033:0x7f304933108e
[   13.072011][  T198] 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
[   13.072566][  T198] RSP: 002b:00007fff46a66a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.072834][  T198] RAX: ffffffffffffffda RBX: 00007fff46a671b8 RCX: 00007f304933108e
[   13.073085][  T198] RDX: 0000000000000000 RSI: 00007fff46a66ad0 RDI: 0000000000000005
[   13.073335][  T198] RBP: 00007fff46a66a30 R08: 0000000000000000 R09: 0000000000000000
[   13.073616][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   13.073869][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff46a67190
| [   13.318185][  T211] ------------[ cut here ]------------
| [   13.318479][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [   13.318903][  T211] Modules linked in: veth
| [   13.319778][  T211] Tainted: [W]=WARN
[   13.319952][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.320232][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.320541][  T211] 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
[   13.321368][  T211] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[   13.321673][  T211] RAX: 00000000ffffffa6 RBX: ff1100000d316ac0 RCX: 1ff400000010ad8c
[   13.322015][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d316b78
[   13.322357][  T211] RBP: ff11000008f04000 R08: 1fe2200001a62d70 R09: ff11000009370b80
[   13.322711][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.323047][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e8f0780
[   13.323382][  T211] FS:  00007f4a7cd02840(0000) GS:ff1100007adb0000(0000) knlGS:0000000000000000
[   13.323784][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.324063][  T211] CR2: 000000000042ebe0 CR3: 0000000004b92002 CR4: 0000000000771ef0
[   13.324400][  T211] PKRU: 55555554
[   13.324583][  T211] Call Trace:
[   13.324753][  T211]  <TASK>
[   13.324874][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.325101][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.325331][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.325502][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   13.325742][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   13.325966][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   13.326184][  T211]  ? 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)
[   13.326407][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   13.326642][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.326862][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.327079][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.327296][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.327532][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.327845][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.328071][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.328294][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.328526][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.328761][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   13.328988][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   13.329264][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.329489][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.329727][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.329985][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.330210][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.330435][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.330675][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.330904][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.331130][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.331354][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.331592][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.331813][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.332048][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.332277][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.332502][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.332738][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.332963][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.333186][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.333403][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.333644][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.333866][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.334085][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.334307][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.334537][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.334765][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.334989][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.335213][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.335439][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.335675][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.335896][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.336124][  T211]  ? 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))
[   13.336350][  T211]  ? 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))
[   13.336591][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.336824][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.337044][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.337266][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.337489][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.337728][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.337956][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.338178][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.338401][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.338690][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   13.338922][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   13.339141][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.339365][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.339617][  T211]  ? 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))
[   13.339844][  T211]  __sys_sendmsg (net/socket.c:2784)
[   13.340068][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.340298][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.340529][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.340759][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.340981][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.341207][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.341435][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.341724][  T211] RIP: 0033:0x7f4a7cf3c08e
[   13.341960][  T211] 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
[   13.342765][  T211] RSP: 002b:00007ffebb52cd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.343099][  T211] RAX: ffffffffffffffda RBX: 00007ffebb52d508 RCX: 00007f4a7cf3c08e
[   13.343430][  T211] RDX: 0000000000000000 RSI: 00007ffebb52ce20 RDI: 0000000000000005
[   13.343782][  T211] RBP: 00007ffebb52cd80 R08: 0000000000000000 R09: 0000000000000000
[   13.344124][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78
[   13.344458][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebb52d4e0
| [   13.373012][  T211] ------------[ cut here ]------------
| [   13.373286][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [   13.373691][  T211] Modules linked in: veth
| [   13.374326][  T211] Tainted: [W]=WARN
[   13.374498][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.375046][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.375359][  T211] 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
[   13.376199][  T211] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[   13.376483][  T211] RAX: 00000000ffffffa6 RBX: ff11000008fcfa80 RCX: 1ff400000010adfc
[   13.376831][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fcfb38
[   13.377164][  T211] RBP: ff11000002881000 R08: 1fe22000011f9f68 R09: ff11000009370b80
[   13.377489][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.377834][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.378163][  T211] FS:  00007f4a7cd02840(0000) GS:ff1100007adb0000(0000) knlGS:0000000000000000
[   13.378552][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.378833][  T211] CR2: 000000000042ebe0 CR3: 0000000004b92002 CR4: 0000000000771ef0
[   13.379160][  T211] PKRU: 55555554
[   13.379326][  T211] Call Trace:
[   13.379490][  T211]  <TASK>
[   13.379619][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.379849][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.380017][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   13.380237][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   13.380455][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.380686][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.380915][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.381131][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.381347][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.381578][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.381801][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.382037][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.382267][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.382492][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.382730][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.382951][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.383169][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.383387][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.383633][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.383852][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.384067][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.384283][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.384496][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.384731][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.384954][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.385175][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.385400][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.385634][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.385858][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.386086][  T211]  ? 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))
[   13.386300][  T211]  ? 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))
[   13.386532][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.386759][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.386980][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.387199][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.387422][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.387652][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.387878][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.388095][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.388315][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.388639][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   13.388866][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   13.389085][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.389304][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.389550][  T211]  ? 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))
[   13.389784][  T211]  __sys_sendmsg (net/socket.c:2784)
[   13.390010][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.390238][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.390457][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.390699][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.390918][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.391124][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.391345][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.391633][  T211] RIP: 0033:0x7f4a7cf3c08e
[   13.391874][  T211] 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
[   13.392673][  T211] RSP: 002b:00007ffebb52cd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.393007][  T211] RAX: ffffffffffffffda RBX: 00007ffebb52d508 RCX: 00007f4a7cf3c08e
[   13.393333][  T211] RDX: 0000000000000000 RSI: 00007ffebb52ce20 RDI: 0000000000000005
[   13.393674][  T211] RBP: 00007ffebb52cd80 R08: 0000000000000000 R09: 0000000000000000
[   13.394015][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf78


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