======================================
| xx__-> [    9.265976][  T186] ------------[ cut here ]------------
| [    9.266194][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.266459][  T186] Modules linked in: veth
| [    9.266909][  T186] Tainted: [W]=WARN
[    9.267021][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.267214][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.267498][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.268036][  T186] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[    9.268228][  T186] RAX: 00000000ffffffa6 RBX: ff11000005e7e580 RCX: 1ff4000000114d8c
[    9.268446][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005e7e638
[    9.268724][  T186] RBP: ff11000007ce1000 R08: 1fe2200000bcfcc8 R09: ff1100000c120b80
[    9.268945][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.269161][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001e8c080
[    9.269403][  T186] FS:  00007ffb64f99840(0000) GS:ff110000a2930000(0000) knlGS:0000000000000000
[    9.269662][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.269852][  T186] CR2: 00007ffb65300f6d CR3: 000000000bb64002 CR4: 0000000000771ef0
[    9.270072][  T186] PKRU: 55555554
[    9.270179][  T186] Call Trace:
[    9.270292][  T186]  <TASK>
[    9.270368][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.270551][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.270698][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.270813][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.271070][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.271217][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.271555][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.271802][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.272046][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.272191][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.272340][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.272582][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.272727][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.272879][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.273024][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.273168][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.273625][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.273878][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.274134][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.274316][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.274467][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.274613][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.274761][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.274932][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.275083][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.275236][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.275379][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.275523][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.275674][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.275827][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.276074][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.276221][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.276366][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.276509][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.276750][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.276906][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.277050][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.277296][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.277440][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.277585][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.277728][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.277880][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.278120][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.278271][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.278415][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.278560][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.278707][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.278856][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.279097][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.279344][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.279488][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.279632][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.279881][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.280024][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.280170][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.280321][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.280465][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.280644][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.280799][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.280946][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.281187][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.281347][  T186]  ? 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))
[    9.281494][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.281736][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.281894][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.282039][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.282183][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.282333][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.282479][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.282743][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.283035][  T186] RIP: 0033:0x7ffb651d308e
[    9.283218][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.283736][  T186] RSP: 002b:00007ffc3f73cac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.283960][  T186] RAX: ffffffffffffffda RBX: 00007ffc3f73d258 RCX: 00007ffb651d308e
[    9.284193][  T186] RDX: 0000000000000000 RSI: 00007ffc3f73cb70 RDI: 0000000000000005
[    9.284413][  T186] RBP: 00007ffc3f73cad0 R08: 0000000000000000 R09: 0000000000000000
[    9.284627][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce5a
[    9.284843][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3f73d230
| [    9.295803][  T186] ------------[ cut here ]------------
| [    9.295969][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.296216][  T186] Modules linked in: veth
| [    9.296657][  T186] Tainted: [W]=WARN
[    9.296765][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.297023][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.297211][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.297709][  T186] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[    9.297894][  T186] RAX: 00000000ffffffa6 RBX: ff1100000ba41c40 RCX: 1ff4000000114dfc
[    9.298101][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba41cf8
[    9.298312][  T186] RBP: ff11000001dd4000 R08: 1fe22000017483a0 R09: ff1100000c120b80
[    9.298520][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.298725][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.298940][  T186] FS:  00007ffb64f99840(0000) GS:ff110000a2930000(0000) knlGS:0000000000000000
[    9.299183][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.299363][  T186] CR2: 00007ffb65300f6d CR3: 000000000bb64002 CR4: 0000000000771ef0
[    9.299573][  T186] PKRU: 55555554
[    9.299679][  T186] Call Trace:
[    9.299787][  T186]  <TASK>
[    9.299862][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.300005][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.300112][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.300343][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.300483][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.300622][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.300766][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.300910][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.301051][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.301188][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.301403][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.301562][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.301712][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.301862][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.302001][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.302141][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.302336][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.302583][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.302729][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.302878][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.303016][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.303154][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.303399][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.303538][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.303680][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.303825][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.303970][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.304111][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.304333][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.304477][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.304616][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.304763][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.304909][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.305047][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.305186][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.305332][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.305472][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.305614][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.305757][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.305901][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.306072][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.306220][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.306360][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.306501][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.306650][  T186]  ? 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))
[    9.306798][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.306987][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.307130][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.307278][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.307419][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.307557][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.307696][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.307837][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.308018][  T186] RIP: 0033:0x7ffb651d308e
[    9.308163][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.308658][  T186] RSP: 002b:00007ffc3f73cac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.308876][  T186] RAX: ffffffffffffffda RBX: 00007ffc3f73d258 RCX: 00007ffb651d308e
[    9.309086][  T186] RDX: 0000000000000000 RSI: 00007ffc3f73cb70 RDI: 0000000000000005
[    9.309298][  T186] RBP: 00007ffc3f73cad0 R08: 0000000000000000 R09: 0000000000000000
[    9.309506][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce5a
[    9.309716][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3f73d230
| [    9.497891][  T194] ------------[ cut here ]------------
| [    9.498106][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.498377][  T194] Modules linked in: veth
| [    9.498795][  T194] Tainted: [W]=WARN
[    9.498938][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.499125][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.499324][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.499862][  T194] RSP: 0018:ffa0000000666e30 EFLAGS: 00010286
[    9.500046][  T194] RAX: 00000000ffffffa6 RBX: ff1100000954b540 RCX: 1ff40000000ccd8c
[    9.500276][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000954b5f8
[    9.500504][  T194] RBP: ff11000007cc1000 R08: 1fe22000012a96c0 R09: ff1100000b762e80
[    9.500723][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.500992][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b436380
[    9.501217][  T194] FS:  00007fc395f03840(0000) GS:ff110000a27b0000(0000) knlGS:0000000000000000
[    9.501474][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.501658][  T194] CR2: 000055dcc62858e8 CR3: 000000000b74b006 CR4: 0000000000771ef0
[    9.501904][  T194] PKRU: 55555554
[    9.502013][  T194] Call Trace:
[    9.502125][  T194]  <TASK>
[    9.502207][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.502372][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.502483][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.502670][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.502822][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.502974][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.503120][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.503272][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.503417][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.503567][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.503714][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.503867][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.504010][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.504154][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.504305][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.504450][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.504630][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.504780][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.504927][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.505087][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.505239][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.505384][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.505548][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.505696][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.505845][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.505996][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.506141][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.506289][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.506439][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.506594][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.506741][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.506896][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.507044][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.507187][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.507339][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.507489][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.507635][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.507787][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.507937][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.508081][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.508229][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.508376][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.508520][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.508667][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.508822][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.508970][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.509122][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.509272][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.509423][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.509571][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.509718][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.509874][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.510021][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.510168][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.510322][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.510470][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.510616][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.510800][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.511003][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.511149][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.511301][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.511458][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.511607][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.511762][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.511921][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.512067][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.512218][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.512569][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.512717][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.512872][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.513055][  T194] RIP: 0033:0x7fc39613d08e
[    9.513215][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.513733][  T194] RSP: 002b:00007ffc2804baa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.513961][  T194] RAX: ffffffffffffffda RBX: 00007ffc2804c238 RCX: 00007fc39613d08e
[    9.514180][  T194] RDX: 0000000000000000 RSI: 00007ffc2804bb50 RDI: 0000000000000005
[    9.514489][  T194] RBP: 00007ffc2804bab0 R08: 0000000000000000 R09: 0000000000000000
[    9.514708][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce5a
[    9.514936][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2804c210
| [    9.544435][  T194] ------------[ cut here ]------------
| [    9.544616][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.544877][  T194] Modules linked in: veth
| [    9.545283][  T194] Tainted: [W]=WARN
[    9.545390][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.545568][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.545757][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.546273][  T194] RSP: 0018:ffa00000006671b0 EFLAGS: 00010286
[    9.546449][  T194] RAX: 00000000ffffffa6 RBX: ff1100000e08f000 RCX: 1ff40000000ccdfc
[    9.546658][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e08f0b8
[    9.546879][  T194] RBP: ff11000005181000 R08: 1fe2200001c11e18 R09: ff1100000b762e80
[    9.547089][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.547306][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.547518][  T194] FS:  00007fc395f03840(0000) GS:ff110000a27b0000(0000) knlGS:0000000000000000
[    9.547767][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.547951][  T194] CR2: 000055dcaad846c0 CR3: 000000000b74b006 CR4: 0000000000771ef0
[    9.548162][  T194] PKRU: 55555554
[    9.548273][  T194] Call Trace:
[    9.548379][  T194]  <TASK>
[    9.548452][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.548596][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.548704][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.548854][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.548996][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.549137][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.549285][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.549426][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.549566][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.549704][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.549851][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.550000][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.550158][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.550305][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.550445][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.550586][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.550726][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.550873][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.551017][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.551158][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.551302][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.551443][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.551581][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.551720][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.551917][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.552059][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.552234][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.552374][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.552514][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.552657][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.552797][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.552943][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.553083][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.553229][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.553371][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.553525][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.553667][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.553814][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.553959][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.554098][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.554276][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.554423][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.554561][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.554701][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.554859][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.555001][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.555140][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.555288][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.555433][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.555599][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.555744][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.555893][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.556033][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.556211][  T194] RIP: 0033:0x7fc39613d08e
[    9.556359][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.556862][  T194] RSP: 002b:00007ffc2804baa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.557072][  T194] RAX: ffffffffffffffda RBX: 00007ffc2804c238 RCX: 00007fc39613d08e
[    9.557283][  T194] RDX: 0000000000000000 RSI: 00007ffc2804bb50 RDI: 0000000000000005
[    9.557491][  T194] RBP: 00007ffc2804bab0 R08: 0000000000000000 R09: 0000000000000000
[    9.557697][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce5a
[    9.557915][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2804c210
| [    9.757843][  T203] ------------[ cut here ]------------
| [    9.758071][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.759263][  T203] Modules linked in: veth
| [    9.759683][  T203] Tainted: [W]=WARN
[    9.759797][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.759986][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.760179][  T203] 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
[    9.760822][  T203] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[    9.761013][  T203] RAX: 00000000ffffffa6 RBX: ff1100000ba40200 RCX: 1ff4000000114d8c
[    9.761336][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba402b8
[    9.761552][  T203] RBP: ff11000009cf4000 R08: 1fe2200001748058 R09: ff1100000b99ae80
[    9.761777][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.761999][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057a9580
[    9.762223][  T203] FS:  00007f04b2dd8840(0000) GS:ff110000a2930000(0000) knlGS:0000000000000000
[    9.762478][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.762662][  T203] CR2: 00007fc2be8de000 CR3: 000000000b79b003 CR4: 0000000000771ef0
[    9.762893][  T203] PKRU: 55555554
[    9.763004][  T203] Call Trace:
[    9.763114][  T203]  <TASK>
[    9.763192][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.763345][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.763490][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.763601][  T203]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.763747][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[    9.763898][  T203]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.764042][  T203]  ? 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)
[    9.764187][  T203]  ? netif_change_name (net/core/dev.c:1495)
[    9.764335][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.764480][  T203]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.764625][  T203]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.764775][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.764928][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.765072][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.765225][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.765371][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.765515][  T203]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.765663][  T203] veth_newlink (drivers/net/veth.c:1871) veth
[    9.765814][  T203]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.765997][  T203]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.766141][  T203]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.766292][  T203]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.766455][  T203]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.766628][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.766779][  T203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.766951][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.767098][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.767251][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.767396][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.767539][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.767688][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.767842][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.767996][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.768144][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.768291][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.768438][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.768580][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.768728][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.768885][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.769032][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.769179][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.769330][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.769479][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.769626][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.769780][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.769928][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.770076][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.770229][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.770377][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.770527][  T203]  ? 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))
[    9.770673][  T203]  ? 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))
[    9.770824][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.770981][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.771127][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.771280][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.771430][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.771578][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.771730][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.771887][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.772034][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.772219][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.772370][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.772516][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.772663][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.772821][  T203]  ? 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))
[    9.772971][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.773117][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.773276][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.773423][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.773571][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.773719][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.773874][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.774023][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.774212][  T203] RIP: 0033:0x7f04b301208e
[    9.774365][  T203] 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
[    9.774899][  T203] RSP: 002b:00007fffc2a728b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.775120][  T203] RAX: ffffffffffffffda RBX: 00007fffc2a73048 RCX: 00007f04b301208e
[    9.775343][  T203] RDX: 0000000000000000 RSI: 00007fffc2a72960 RDI: 0000000000000005
[    9.775564][  T203] RBP: 00007fffc2a728c0 R08: 0000000000000000 R09: 0000000000000000
[    9.775786][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce5b
[    9.776007][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc2a73020
| [    9.808120][  T203] ------------[ cut here ]------------
| [    9.808324][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.808578][  T203] Modules linked in: veth
| [    9.808993][  T203] Tainted: [W]=WARN
[    9.809120][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.809310][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.809497][  T203] 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
[    9.810024][  T203] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[    9.810210][  T203] RAX: 00000000ffffffa6 RBX: ff1100000954ae40 RCX: 1ff4000000114dfc
[    9.810424][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000954aef8
[    9.810638][  T203] RBP: ff11000008bd1000 R08: 1fe22000012a95e0 R09: ff1100000b99ae80
[    9.810854][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.811067][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.811289][  T203] FS:  00007f04b2dd8840(0000) GS:ff110000a2930000(0000) knlGS:0000000000000000
[    9.811537][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.811716][  T203] CR2: 00007fc2be8de000 CR3: 000000000b79b003 CR4: 0000000000771ef0
[    9.811941][  T203] PKRU: 55555554
[    9.812048][  T203] Call Trace:
[    9.812153][  T203]  <TASK>
[    9.812232][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.812380][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.812488][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[    9.812631][  T203]  ? netif_change_name (net/core/dev.c:1495)
[    9.812779][  T203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.812927][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.813070][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.813216][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.813359][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.813500][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.813641][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.813789][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.813937][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.814078][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.814225][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.814368][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.814507][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.814647][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.814795][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.814940][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.815081][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.815228][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.815375][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.815520][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.815665][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.815809][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.815956][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.816096][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.816241][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.816390][  T203]  ? 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))
[    9.816532][  T203]  ? 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))
[    9.816676][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.816824][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.816968][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.817111][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.817262][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.817403][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.817549][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.817696][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.817840][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.818019][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.818163][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.818308][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.818449][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.818599][  T203]  ? 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))
[    9.818742][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.818912][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.819062][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.819211][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.819353][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.819496][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.819638][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.819781][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.819964][  T203] RIP: 0033:0x7f04b301208e
[    9.820112][  T203] 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
[    9.820609][  T203] RSP: 002b:00007fffc2a728b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.820824][  T203] RAX: ffffffffffffffda RBX: 00007fffc2a73048 RCX: 00007f04b301208e
[    9.821038][  T203] RDX: 0000000000000000 RSI: 00007fffc2a72960 RDI: 0000000000000005
[    9.821251][  T203] RBP: 00007fffc2a728c0 R08: 0000000000000000 R09: 0000000000000000
[    9.821463][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce5b


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