======================================
| xx__-> [   10.646806][  T186] ------------[ cut here ]------------
| [   10.647054][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.647307][  T186] Modules linked in: veth
| [   10.647844][  T186] Tainted: [W]=WARN
[   10.647956][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.648135][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.648325][  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
[   10.649010][  T186] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[   10.649258][  T186] RAX: 00000000ffffffa6 RBX: ff1100000949e200 RCX: 1ff4000000112d8c
[   10.649594][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000949e2b8
[   10.649920][  T186] RBP: ff1100000a114000 R08: 1fe2200001293c58 R09: ff1100000ac3d180
[   10.650226][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.650504][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b3c2380
[   10.650829][  T186] FS:  00007eff51262840(0000) GS:ff11000095530000(0000) knlGS:0000000000000000
[   10.651178][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.651457][  T186] CR2: 0000558c62943d50 CR3: 000000000de9c006 CR4: 0000000000771ef0
[   10.651690][  T186] PKRU: 55555554
[   10.651799][  T186] Call Trace:
[   10.651907][  T186]  <TASK>
[   10.651983][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.652187][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.652411][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.652583][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.652808][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.653031][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.653253][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.653497][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.653722][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.653954][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.654180][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.654413][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.654659][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.654883][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.655117][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.655388][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.655670][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.655900][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.656128][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.656392][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.656630][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.656853][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.657063][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.657283][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.657521][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.657739][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.657947][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.658097][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.658251][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.658406][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.658563][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.658710][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.658897][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.659042][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.659185][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.659335][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.659501][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.659651][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.659797][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.659942][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.660091][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.660238][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.660389][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.660542][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.660694][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.660844][  T186]  ? insn_get_modrm (./arch/x86/include/asm/insn.h:271 (discriminator 1) arch/x86/lib/insn.c:399 (discriminator 1) arch/x86/lib/insn.c:382 (discriminator 1))
[   10.660997][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.661149][  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))
[   10.661299][  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))
[   10.661455][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.661607][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.661757][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.661905][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.662052][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.662202][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.662360][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.662516][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.662660][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.662839][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.662993][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.663136][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.663283][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.663447][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.663597][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.663741][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.663884][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.664033][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.664177][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.664323][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.664627][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.664777][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.664922][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.665070][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.665249][  T186] RIP: 0033:0x7eff5149c08e
[   10.665408][  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
[   10.665984][  T186] RSP: 002b:00007ffd04cddd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.666205][  T186] RAX: ffffffffffffffda RBX: 00007ffd04cde528 RCX: 00007eff5149c08e
[   10.666427][  T186] RDX: 0000000000000000 RSI: 00007ffd04cdde40 RDI: 0000000000000005
[   10.666648][  T186] RBP: 00007ffd04cddda0 R08: 0000000000000000 R09: 0000000000000000
[   10.666868][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbda
[   10.667085][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd04cde500
| [   10.678157][  T186] ------------[ cut here ]------------
| [   10.678333][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.678598][  T186] Modules linked in: veth
| [   10.679014][  T186] Tainted: [W]=WARN
[   10.679122][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.679297][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.679496][  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
[   10.680010][  T186] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[   10.680197][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c508580 RCX: 1ff4000000112dfc
[   10.680466][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c508638
[   10.680785][  T186] RBP: ff1100000a01c000 R08: 1fe22000018a10c8 R09: ff1100000ac3d180
[   10.681098][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.681313][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.681551][  T186] FS:  00007eff51262840(0000) GS:ff11000095530000(0000) knlGS:0000000000000000
[   10.681796][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.681975][  T186] CR2: 0000558c62943d50 CR3: 000000000de9c006 CR4: 0000000000771ef0
[   10.682186][  T186] PKRU: 55555554
[   10.682292][  T186] Call Trace:
[   10.682404][  T186]  <TASK>
[   10.682492][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.682640][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.682747][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.682887][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.683030][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.683170][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.683314][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.683539][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.683684][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.683823][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.683963][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.684110][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.684252][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.684467][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.684610][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.684755][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.684896][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.685036][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.685179][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.685324][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.685514][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.685661][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.685799][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.685939][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.686080][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.686217][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.686360][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.686504][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.686643][  T186]  ? insn_get_modrm (./arch/x86/include/asm/insn.h:271 (discriminator 1) arch/x86/lib/insn.c:399 (discriminator 1) arch/x86/lib/insn.c:382 (discriminator 1))
[   10.686783][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.686927][  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))
[   10.687065][  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))
[   10.687205][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.687352][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.687495][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.687637][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.687778][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.687924][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.688071][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.688212][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.688356][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.688540][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.688689][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.688829][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.688969][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.689123][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.689267][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.689413][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.689559][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.689702][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.689844][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.689987][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.690127][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.690265][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.690412][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.690561][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.690738][  T186] RIP: 0033:0x7eff5149c08e
[   10.690885][  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
[   10.691385][  T186] RSP: 002b:00007ffd04cddd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.691605][  T186] RAX: ffffffffffffffda RBX: 00007ffd04cde528 RCX: 00007eff5149c08e
[   10.691845][  T186] RDX: 0000000000000000 RSI: 00007ffd04cdde40 RDI: 0000000000000005
[   10.692057][  T186] RBP: 00007ffd04cddda0 R08: 0000000000000000 R09: 0000000000000000
[   10.692269][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbda
[   10.692490][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd04cde500
| [   10.832647][  T194] ------------[ cut here ]------------
| [   10.832905][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [   10.833224][  T194] Modules linked in: veth
| [   10.833917][  T194] Tainted: [W]=WARN
[   10.834085][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.834323][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.834662][  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
[   10.835286][  T194] RSP: 0018:ffa0000000596e30 EFLAGS: 00010286
[   10.835560][  T194] RAX: 00000000ffffffa6 RBX: ff11000008f76580 RCX: 1ff40000000b2d8c
[   10.835851][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f76638
[   10.836144][  T194] RBP: ff1100000a044000 R08: 1fe22000011eecc8 R09: ff1100000cd45180
[   10.836426][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.836710][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a31c080
[   10.836987][  T194] FS:  00007f4a5d0e7840(0000) GS:ff110000954b0000(0000) knlGS:0000000000000000
[   10.837307][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.837609][  T194] CR2: 000000000042ebe0 CR3: 0000000009339003 CR4: 0000000000771ef0
[   10.837930][  T194] PKRU: 55555554
[   10.838095][  T194] Call Trace:
[   10.838267][  T194]  <TASK>
[   10.838408][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.838635][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.838800][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.839039][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[   10.839241][  T194]  ? netif_change_name (net/core/dev.c:1495)
[   10.839450][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.839656][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.839865][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.840068][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.840267][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.840493][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.840713][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.840931][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.841163][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.841396][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[   10.841609][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.841842][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.842051][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.842268][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.842509][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.842705][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.842909][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.843106][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.843305][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.843521][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.843722][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.843917][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.844123][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.844327][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.844642][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.844913][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.845177][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.845391][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.845647][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.845923][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.846200][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.846499][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.846765][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.847000][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.847197][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.847404][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.847632][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.847942][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.848140][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.848337][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.848593][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.848791][  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))
[   10.848990][  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))
[   10.849198][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.849407][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.849650][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.849842][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.850039][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.850236][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.850461][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.850658][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.850855][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.851080][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[   10.851310][  T194]  ___sys_sendmsg (net/socket.c:2752)
[   10.851524][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.851720][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.851921][  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))
[   10.852117][  T194]  __sys_sendmsg (net/socket.c:2784)
[   10.852336][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.852558][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.852754][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.852951][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.853144][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.853373][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.853633][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.853862][  T194] RIP: 0033:0x7f4a5d32108e
[   10.854071][  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
[   10.854677][  T194] RSP: 002b:00007ffdf7fc5cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.854941][  T194] RAX: ffffffffffffffda RBX: 00007ffdf7fc6488 RCX: 00007f4a5d32108e
[   10.855201][  T194] RDX: 0000000000000000 RSI: 00007ffdf7fc5da0 RDI: 0000000000000005
[   10.855488][  T194] RBP: 00007ffdf7fc5d00 R08: 0000000000000000 R09: 0000000000000000
[   10.855749][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbdb
[   10.856009][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf7fc6460
| [   10.868081][  T194] ------------[ cut here ]------------
| [   10.868313][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [   10.868638][  T194] Modules linked in: veth
| [   10.869178][  T194] Tainted: [W]=WARN
[   10.869337][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.869596][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.869850][  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
[   10.870420][  T194] RSP: 0018:ffa00000005971b0 EFLAGS: 00010286
[   10.870657][  T194] RAX: 00000000ffffffa6 RBX: ff11000005537000 RCX: 1ff40000000b2dfc
[   10.870922][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000055370b8
[   10.871184][  T194] RBP: ff11000007dbc000 R08: 1fe2200000aa6e18 R09: ff1100000cd45180
[   10.871471][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.871734][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.872001][  T194] FS:  00007f4a5d0e7840(0000) GS:ff110000954b0000(0000) knlGS:0000000000000000
[   10.872299][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.872554][  T194] CR2: 000000000042ebe0 CR3: 0000000009339003 CR4: 0000000000771ef0
[   10.872822][  T194] PKRU: 55555554
[   10.872982][  T194] Call Trace:
[   10.873136][  T194]  <TASK>
[   10.873259][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.873477][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.873641][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[   10.873833][  T194]  ? netif_change_name (net/core/dev.c:1495)
[   10.874026][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.874221][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.874433][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.874633][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.874826][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.875017][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.875210][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.875424][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.875628][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.875850][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.876048][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.876240][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.876444][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.876643][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.876857][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.877094][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.877378][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.877654][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.877913][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.878177][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.878443][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.878645][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.878841][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.879070][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.879425][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.879646][  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))
[   10.879861][  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))
[   10.880061][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.880258][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.880472][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.880673][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.880864][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.881056][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.881251][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.881464][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.881656][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.881879][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[   10.882077][  T194]  ___sys_sendmsg (net/socket.c:2752)
[   10.882267][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.882476][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.882708][  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))
[   10.882902][  T194]  __sys_sendmsg (net/socket.c:2784)
[   10.883095][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.883293][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.883506][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.883700][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.883893][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.884094][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.884286][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.884535][  T194] RIP: 0033:0x7f4a5d32108e
[   10.884736][  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
[   10.885311][  T194] RSP: 002b:00007ffdf7fc5cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.885596][  T194] RAX: ffffffffffffffda RBX: 00007ffdf7fc6488 RCX: 00007f4a5d32108e
[   10.885853][  T194] RDX: 0000000000000000 RSI: 00007ffdf7fc5da0 RDI: 0000000000000005
[   10.886113][  T194] RBP: 00007ffdf7fc5d00 R08: 0000000000000000 R09: 0000000000000000
[   10.886383][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbdb
[   10.886650][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf7fc6460
| [   11.255980][  T209] ------------[ cut here ]------------
| [   11.256182][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/209
| [   11.256452][  T209] Modules linked in: veth
| [   11.256890][  T209] Tainted: [W]=WARN
[   11.257005][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.257191][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.257438][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.257961][  T209] RSP: 0018:ffa00000006d6e30 EFLAGS: 00010286
[   11.258146][  T209] RAX: 00000000ffffffa6 RBX: ff1100000c508040 RCX: 1ff40000000dad8c
[   11.258365][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5080f8
[   11.258590][  T209] RBP: ff11000005341000 R08: 1fe22000018a1020 R09: ff1100000c7dd180
[   11.258815][  T209] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.259033][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a31fc00
[   11.259250][  T209] FS:  00007f3a989ca840(0000) GS:ff11000095430000(0000) knlGS:0000000000000000
[   11.259527][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.259710][  T209] CR2: 0000558c62966200 CR3: 000000000bf40004 CR4: 0000000000771ef0
[   11.259975][  T209] PKRU: 55555554
[   11.260143][  T209] Call Trace:
[   11.260310][  T209]  <TASK>
[   11.260436][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.260671][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.260896][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.261046][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.261205][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.261359][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.261505][  T209]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.261648][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.261790][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.261937][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.262086][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.262255][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.262415][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.262564][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.262707][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.262854][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.263005][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.263170][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   11.263331][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.263597][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.263819][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.263979][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.264142][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.264292][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.264447][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.264596][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.264739][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.264882][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.265031][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.265235][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.265435][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.265597][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.265746][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.265895][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.266043][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.266187][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.266331][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.266488][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.266636][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.266785][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.266933][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.267075][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.267220][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.267371][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.267546][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.267718][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.267936][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.268087][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.268233][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.268390][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.268543][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.268692][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.268839][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.268988][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.269134][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.269277][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.269429][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.269581][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.269730][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.269947][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.270170][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.270321][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.270477][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.270621][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.270778][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.270926][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.271071][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.271220][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.271373][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.271561][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.271773][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.271988][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.272214][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.272511][  T209] RIP: 0033:0x7f3a98c0408e
[   11.272708][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.273215][  T209] RSP: 002b:00007ffcb81c3430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.273443][  T209] RAX: ffffffffffffffda RBX: 00007ffcb81c3bc8 RCX: 00007f3a98c0408e
[   11.273664][  T209] RDX: 0000000000000000 RSI: 00007ffcb81c34e0 RDI: 0000000000000005
[   11.273881][  T209] RBP: 00007ffcb81c3440 R08: 0000000000000000 R09: 0000000000000000
[   11.274095][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbdb
[   11.274311][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb81c3ba0
| [   11.285054][  T209] ------------[ cut here ]------------
| [   11.285229][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/209
| [   11.285504][  T209] Modules linked in: veth
| [   11.285925][  T209] Tainted: [W]=WARN
[   11.286035][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.286216][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.286471][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.286966][  T209] RSP: 0018:ffa00000006d71b0 EFLAGS: 00010286
[   11.287140][  T209] RAX: 00000000ffffffa6 RBX: ff11000008f77000 RCX: 1ff40000000dadfc
[   11.287463][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f770b8
[   11.287745][  T209] RBP: ff1100000a12c000 R08: 1fe22000011eee18 R09: ff1100000c7dd180
[   11.287951][  T209] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.288158][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.288409][  T209] FS:  00007f3a989ca840(0000) GS:ff11000095430000(0000) knlGS:0000000000000000
[   11.288659][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.288836][  T209] CR2: 0000558c62966200 CR3: 000000000bf40004 CR4: 0000000000771ef0
[   11.289042][  T209] PKRU: 55555554
[   11.289144][  T209] Call Trace:
[   11.289248][  T209]  <TASK>
[   11.289320][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.289476][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.289584][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.289728][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.289873][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.290017][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.290161][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.290303][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.290512][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.290695][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.290840][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.290999][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.291154][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.291306][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.291463][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.291608][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.291750][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.291890][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.292036][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.292178][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.292321][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.292475][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.292621][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.292762][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.292900][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.293035][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.293176][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.293314][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.293465][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.293607][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.293743][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.293883][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.294025][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.294163][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.294303][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.294446][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.294592][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.294734][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.294937][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.295144][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.295317][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.295477][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.295615][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.295754][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.295904][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.296058][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.296209][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.296375][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.296543][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.296761][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.296961][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.297101][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.297244][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.297496][  T209] RIP: 0033:0x7f3a98c0408e
[   11.297654][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.298259][  T209] RSP: 002b:00007ffcb81c3430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.298590][  T209] RAX: ffffffffffffffda RBX: 00007ffcb81c3bc8 RCX: 00007f3a98c0408e
[   11.298905][  T209] RDX: 0000000000000000 RSI: 00007ffcb81c34e0 RDI: 0000000000000005
[   11.299120][  T209] RBP: 00007ffcb81c3440 R08: 0000000000000000 R09: 0000000000000000
[   11.299359][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbdb
[   11.299646][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb81c3ba0
| [   11.501080][  T215] ------------[ cut here ]------------
| [   11.501312][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/215
| [   11.501641][  T215] Modules linked in: veth
| [   11.502048][  T215] Tainted: [W]=WARN
[   11.502159][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.502338][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.502542][  T215] 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
[   11.503047][  T215] RSP: 0018:ffa00000006d6e30 EFLAGS: 00010286
[   11.503228][  T215] RAX: 00000000ffffffa6 RBX: ff11000008d7da80 RCX: 1ff40000000dad8c
[   11.503450][  T215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008d7db38
[   11.503688][  T215] RBP: ff11000004dc1000 R08: 1fe22000011afb68 R09: ff1100000aeed180
[   11.503900][  T215] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.504113][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008fd5900
[   11.504326][  T215] FS:  00007f298d25d840(0000) GS:ff11000095430000(0000) knlGS:0000000000000000
[   11.504586][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.504767][  T215] CR2: 00005584d4198d5c CR3: 0000000009420004 CR4: 0000000000771ef0
[   11.504982][  T215] PKRU: 55555554
[   11.505091][  T215] Call Trace:
[   11.505200][  T215]  <TASK>
[   11.505279][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.505435][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.505588][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.505697][  T215]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.505845][  T215]  __dev_notify_flags (net/core/dev.c:9787)
[   11.505988][  T215]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.506137][  T215]  ? 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)
[   11.506281][  T215]  ? netif_change_name (net/core/dev.c:1495)
[   11.506426][  T215]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.506575][  T215]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.506715][  T215]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.506860][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.507006][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.507152][  T215]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.507295][  T215]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.507441][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.507593][  T215]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.507738][  T215] veth_newlink (drivers/net/veth.c:1871) veth
[   11.507881][  T215]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.508057][  T215]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.508201][  T215]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.508348][  T215]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.508512][  T215]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.508658][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.508803][  T215]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.508945][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.509095][  T215]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.509240][  T215]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.509399][  T215]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.509544][  T215]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.509685][  T215]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.509831][  T215]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.509976][  T215]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.510121][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.510262][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.510409][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.510570][  T215]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.510740][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.510886][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.511028][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.511170][  T215]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.511311][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.511465][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.511611][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.511755][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.511899][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.512042][  T215]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.512184][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.512328][  T215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.512482][  T215]  ? 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))
[   11.512625][  T215]  ? 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))
[   11.512772][  T215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.512917][  T215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.513060][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.513203][  T215]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.513353][  T215]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.513501][  T215]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.513647][  T215]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.513793][  T215]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.513938][  T215]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.514115][  T215]  ? move_addr_to_kernel (net/socket.c:258)
[   11.514260][  T215]  ___sys_sendmsg (net/socket.c:2752)
[   11.514409][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.514556][  T215]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.514716][  T215]  ? 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))
[   11.514869][  T215]  __sys_sendmsg (net/socket.c:2784)
[   11.515033][  T215]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.515180][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.515321][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.515472][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.515614][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.515760][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.515903][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.516083][  T215] RIP: 0033:0x7f298d49708e
[   11.516235][  T215] 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
[   11.516751][  T215] RSP: 002b:00007ffcff84f9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.516970][  T215] RAX: ffffffffffffffda RBX: 00007ffcff850148 RCX: 00007f298d49708e
[   11.517189][  T215] RDX: 0000000000000000 RSI: 00007ffcff84fa60 RDI: 0000000000000005
[   11.517407][  T215] RBP: 00007ffcff84f9c0 R08: 0000000000000000 R09: 0000000000000000
[   11.517629][  T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbdb
[   11.517842][  T215] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcff850120
| [   11.528821][  T215] ------------[ cut here ]------------
| [   11.529001][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/215
| [   11.529247][  T215] Modules linked in: veth
| [   11.529651][  T215] Tainted: [W]=WARN
[   11.529757][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.529930][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.530115][  T215] 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
[   11.530695][  T215] RSP: 0018:ffa00000006d71b0 EFLAGS: 00010286
[   11.530874][  T215] RAX: 00000000ffffffa6 RBX: ff11000004d90580 RCX: 1ff40000000dadfc
[   11.531086][  T215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d90638
[   11.531291][  T215] RBP: ff1100000cc7c000 R08: 1fe22000009b20c8 R09: ff1100000aeed180
[   11.531572][  T215] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.531777][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.531987][  T215] FS:  00007f298d25d840(0000) GS:ff11000095430000(0000) knlGS:0000000000000000
[   11.532230][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.532472][  T215] CR2: 0000558c323726c0 CR3: 0000000009420004 CR4: 0000000000771ef0
[   11.532679][  T215] PKRU: 55555554
[   11.532845][  T215] Call Trace:
[   11.532953][  T215]  <TASK>
[   11.533027][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.533170][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.533277][  T215]  __dev_notify_flags (net/core/dev.c:9787)
[   11.533490][  T215]  ? netif_change_name (net/core/dev.c:1495)
[   11.533630][  T215]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.533767][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.533909][  T215]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.534051][  T215]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.534193][  T215]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.534331][  T215]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.534533][  T215]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.534678][  T215]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.534819][  T215]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.534959][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.535097][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.535235][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.535437][  T215]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.535579][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.535722][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.535859][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.535998][  T215]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.536135][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.536271][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.536480][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.536621][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.536757][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.536896][  T215]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.537033][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.537171][  T215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.537312][  T215]  ? 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))
[   11.537520][  T215]  ? 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))
[   11.537663][  T215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.537801][  T215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.537940][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.538078][  T215]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.538217][  T215]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.538415][  T215]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.538591][  T215]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.538733][  T215]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.538873][  T215]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.539071][  T215]  ? move_addr_to_kernel (net/socket.c:258)
[   11.539232][  T215]  ___sys_sendmsg (net/socket.c:2752)
[   11.539436][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.539577][  T215]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.539724][  T215]  ? 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))
[   11.539868][  T215]  __sys_sendmsg (net/socket.c:2784)
[   11.540005][  T215]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.540146][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.540285][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.540489][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.540627][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.540765][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.540902][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.541078][  T215] RIP: 0033:0x7f298d49708e
[   11.541223][  T215] 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
[   11.541812][  T215] RSP: 002b:00007ffcff84f9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.542017][  T215] RAX: ffffffffffffffda RBX: 00007ffcff850148 RCX: 00007f298d49708e
[   11.542226][  T215] RDX: 0000000000000000 RSI: 00007ffcff84fa60 RDI: 0000000000000005
[   11.542500][  T215] RBP: 00007ffcff84f9c0 R08: 0000000000000000 R09: 0000000000000000
[   11.542709][  T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbdb


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