======================================
| xx__-> [    9.249003][  T186] ------------[ cut here ]------------
| [    9.249379][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.249630][  T186] Modules linked in: veth
| [    9.250100][  T186] Tainted: [W]=WARN
[    9.250207][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.250396][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.250580][  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
[    9.251089][  T186] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.251273][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b8283c0 RCX: 1ff4000000112d8c
[    9.251486][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b828478
[    9.251849][  T186] RBP: ff11000005199000 R08: 1fe2200001705090 R09: ff1100000c7c5180
[    9.252175][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.252395][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c1b7500
[    9.252607][  T186] FS:  00007efd13faf840(0000) GS:ff110000aef30000(0000) knlGS:0000000000000000
[    9.252951][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.253226][  T186] CR2: 00007f40a8ede808 CR3: 000000000ccd6003 CR4: 0000000000771ef0
[    9.253447][  T186] PKRU: 55555554
[    9.253553][  T186] Call Trace:
[    9.253658][  T186]  <TASK>
[    9.253731][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.254004][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.254244][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.254354][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.254502][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.254738][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.254972][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.255206][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.255454][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.255597][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.255740][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.255881][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.256210][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.256362][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.256509][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.256651][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.256828][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.256970][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.257202][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.257364][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.257510][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.257654][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.257794][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.258364][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.258512][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.258682][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.258917][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.259180][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.259332][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.259577][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.259719][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.259956][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.260215][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.260361][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.260505][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.260650][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.260793][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.261145][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.261293][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.261439][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.261579][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.261722][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.261958][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.262215][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.262363][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.262508][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.262651][  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))
[    9.262887][  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))
[    9.263245][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.263406][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.263546][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.263688][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.264017][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.264282][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.264432][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.264668][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.264807][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.265292][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.265443][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.265583][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.265722][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.265875][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.266016][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.266280][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.266425][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.266568][  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)
[    9.266709][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.266851][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.266995][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.267212][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.267362][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.267510][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.267684][  T186] RIP: 0033:0x7efd141e908e
[    9.267830][  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
[    9.268541][  T186] RSP: 002b:00007ffe57bd9140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.268754][  T186] RAX: ffffffffffffffda RBX: 00007ffe57bd98d8 RCX: 00007efd141e908e
[    9.269246][  T186] RDX: 0000000000000000 RSI: 00007ffe57bd91f0 RDI: 0000000000000005
[    9.269566][  T186] RBP: 00007ffe57bd9150 R08: 0000000000000000 R09: 0000000000000000
[    9.269775][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbc
[    9.269982][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe57bd98b0
| [    9.278362][  T186] ------------[ cut here ]------------
| [    9.278518][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.278756][  T186] Modules linked in: veth
| [    9.279145][  T186] Tainted: [W]=WARN
[    9.279247][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.279429][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.279606][  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
[    9.280101][  T186] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.280279][  T186] RAX: 00000000ffffffa6 RBX: ff11000001f32c80 RCX: 1ff4000000112dfc
[    9.280486][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f32d38
[    9.280689][  T186] RBP: ff11000009ac4000 R08: 1fe22000003e65a8 R09: ff1100000c7c5180
[    9.280894][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.281104][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.281315][  T186] FS:  00007efd13faf840(0000) GS:ff110000aedb0000(0000) knlGS:0000000000000000
[    9.281556][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.281728][  T186] CR2: 00005626800fdd5c CR3: 000000000ccd6002 CR4: 0000000000771ef0
[    9.281934][  T186] PKRU: 55555554
[    9.282042][  T186] Call Trace:
[    9.282145][  T186]  <TASK>
[    9.282217][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.282361][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.282471][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.282609][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.282746][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.282885][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.283074][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.283215][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.283358][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.283499][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.283635][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.283778][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.283921][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.284068][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.284205][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.284346][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.284484][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.284620][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.284762][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.284901][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.285042][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.285182][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.285325][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.285467][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.285606][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.285741][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.285879][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.286016][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.286162][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.286310][  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))
[    9.286452][  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))
[    9.286594][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.286732][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.286871][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.287011][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.287159][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.287303][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.287450][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.287588][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.287726][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.287896][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.288043][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.288185][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.288329][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.288487][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.288627][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.288766][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.288906][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.289056][  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)
[    9.289195][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.289339][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.289483][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.289621][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.289758][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.289897][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.290072][  T186] RIP: 0033:0x7efd141e908e
[    9.290216][  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
[    9.290715][  T186] RSP: 002b:00007ffe57bd9140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.290922][  T186] RAX: ffffffffffffffda RBX: 00007ffe57bd98d8 RCX: 00007efd141e908e
[    9.291135][  T186] RDX: 0000000000000000 RSI: 00007ffe57bd91f0 RDI: 0000000000000005
[    9.291342][  T186] RBP: 00007ffe57bd9150 R08: 0000000000000000 R09: 0000000000000000
[    9.291551][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbc
[    9.291756][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe57bd98b0
| [    9.449231][  T193] ------------[ cut here ]------------
| [    9.449471][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.449810][  T193] Modules linked in: veth
| [    9.450347][  T193] Tainted: [W]=WARN
[    9.450517][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.450755][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.450996][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.451595][  T193] RSP: 0018:ffa0000000916e30 EFLAGS: 00010286
[    9.451830][  T193] RAX: 00000000ffffffa6 RBX: ff1100000e4ce200 RCX: 1ff4000000122d8c
[    9.452110][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e4ce2b8
[    9.452382][  T193] RBP: ff1100000ccb9000 R08: 1fe2200001c99c58 R09: ff1100000c302e80
[    9.452675][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.452961][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c4e8b00
[    9.453246][  T193] FS:  00007f794d5fd840(0000) GS:ff110000aeeb0000(0000) knlGS:0000000000000000
[    9.453567][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.453816][  T193] CR2: 000000000042ebe0 CR3: 000000000c125005 CR4: 0000000000771ef0
[    9.454125][  T193] PKRU: 55555554
[    9.454302][  T193] Call Trace:
[    9.454471][  T193]  <TASK>
[    9.454600][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.454797][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.454970][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.455238][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.455457][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.455652][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.455852][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.456059][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.456320][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.456529][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.456743][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.456937][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.457143][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.457346][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.457553][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.457748][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.458011][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.458242][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.458457][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.458667][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.458860][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.459088][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.459288][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.459494][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.459692][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.459889][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.460113][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.460335][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.460542][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.460757][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.460954][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.461161][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.461369][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.461568][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.461760][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.461959][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.462169][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.462385][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.462590][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.462786][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.462980][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.463191][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.463395][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.463598][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.463792][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.463988][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.464199][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.464405][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.464603][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.464800][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.464996][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.465209][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.465422][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.465622][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.465820][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.466016][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.466227][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.466566][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.495713][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.495918][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.496134][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.496346][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.496562][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.496757][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.496955][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.497169][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.497404][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.497601][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.497799][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.497995][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.498342][  T193] RIP: 0033:0x7f794d83708e
[    9.498552][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.499438][  T193] RSP: 002b:00007fff6cf2af70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.499705][  T193] RAX: ffffffffffffffda RBX: 00007fff6cf2b708 RCX: 00007f794d83708e
[    9.500097][  T193] RDX: 0000000000000000 RSI: 00007fff6cf2b020 RDI: 0000000000000005
[    9.500369][  T193] RBP: 00007fff6cf2af80 R08: 0000000000000000 R09: 0000000000000000
[    9.500644][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbc
[    9.500905][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6cf2b6e0
| [    9.509997][  T193] ------------[ cut here ]------------
| [    9.510285][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.510662][  T193] Modules linked in: veth
| [    9.511305][  T193] Tainted: [W]=WARN
[    9.511524][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.511817][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.512128][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.512746][  T193] RSP: 0018:ffa00000009171b0 EFLAGS: 00010286
[    9.513044][  T193] RAX: 00000000ffffffa6 RBX: ff1100000e4e8200 RCX: 1ff4000000122dfc
[    9.513370][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e4e82b8
[    9.513696][  T193] RBP: ff11000007914000 R08: 1fe2200001c9d058 R09: ff1100000c302e80
[    9.514008][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.514355][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.514683][  T193] FS:  00007f794d5fd840(0000) GS:ff110000aeeb0000(0000) knlGS:0000000000000000
[    9.515051][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.515344][  T193] CR2: 000000000042ebe0 CR3: 000000000c125005 CR4: 0000000000771ef0
[    9.515668][  T193] PKRU: 55555554
[    9.515877][  T193] Call Trace:
[    9.516104][  T193]  <TASK>
[    9.516291][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.516557][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.516771][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.517017][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.517350][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.517605][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.517857][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.518118][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.518379][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.518628][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.518876][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.519145][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.519419][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.519669][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.519919][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.520188][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.520454][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.520701][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.520950][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.521210][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.521476][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.521725][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.521970][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.522233][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.522503][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.522748][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.522996][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.523257][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.523520][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.523770][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.524014][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.524282][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.524541][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.524787][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.525009][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.525213][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.525422][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.525616][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.525808][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.525998][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.526234][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.526450][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.526640][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.526831][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.527044][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.527235][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.527446][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.527640][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.527829][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.528019][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.528223][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.528423][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.528614][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.528836][  T193] RIP: 0033:0x7f794d83708e
[    9.529045][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.529595][  T193] RSP: 002b:00007fff6cf2af70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.529854][  T193] RAX: ffffffffffffffda RBX: 00007fff6cf2b708 RCX: 00007f794d83708e
[    9.530127][  T193] RDX: 0000000000000000 RSI: 00007fff6cf2b020 RDI: 0000000000000005
[    9.530394][  T193] RBP: 00007fff6cf2af80 R08: 0000000000000000 R09: 0000000000000000
[    9.530654][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbc
[    9.530910][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6cf2b6e0
| [    9.694282][  T200] ------------[ cut here ]------------
| [    9.694543][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/200
| [    9.694845][  T200] Modules linked in: veth
| [    9.695588][  T200] Tainted: [W]=WARN
[    9.695754][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.695982][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.696231][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.696815][  T200] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[    9.697059][  T200] RAX: 00000000ffffffa6 RBX: ff11000001f32200 RCX: 1ff40000000c4d8c
[    9.697340][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f322b8
[    9.697608][  T200] RBP: ff1100000c491000 R08: 1fe22000003e6458 R09: ff1100000cda2e80
[    9.697869][  T200] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.698191][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b3f2380
[    9.698491][  T200] FS:  00007fa58c2f9840(0000) GS:ff110000aeeb0000(0000) knlGS:0000000000000000
[    9.698797][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.699043][  T200] CR2: 00007fa58c660f6d CR3: 000000000b87e001 CR4: 0000000000771ef0
[    9.699330][  T200] PKRU: 55555554
[    9.699494][  T200] Call Trace:
[    9.699654][  T200]  <TASK>
[    9.699778][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.699980][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.700190][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.700360][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.700566][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.700760][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.700952][  T200]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.701166][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.701399][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.701602][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.701808][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.702027][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.702235][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.702448][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.702644][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.702846][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.703054][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.703252][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.703465][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.703692][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.703894][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.704103][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.704327][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.704529][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.704725][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.704918][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.705130][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.705335][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.705535][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.705727][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.705925][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.706139][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.706348][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.706550][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.706745][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.706944][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.707150][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.707349][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.707574][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.707771][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.707973][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.708181][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.708393][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.708588][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.708784][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.708983][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.709201][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.709414][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.709614][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.709811][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.710001][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.710213][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.710424][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.710618][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.710816][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.711013][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.711220][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.711443][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.711641][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.711833][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.712076][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.712284][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.712490][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.712681][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.712883][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.713089][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.713289][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.713505][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.713703][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.713908][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.714120][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.714329][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.714528][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.714754][  T200] RIP: 0033:0x7fa58c53308e
[    9.714956][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.715555][  T200] RSP: 002b:00007ffca3b23aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.715829][  T200] RAX: ffffffffffffffda RBX: 00007ffca3b24238 RCX: 00007fa58c53308e
[    9.716103][  T200] RDX: 0000000000000000 RSI: 00007ffca3b23b50 RDI: 0000000000000005
[    9.716373][  T200] RBP: 00007ffca3b23ab0 R08: 0000000000000000 R09: 0000000000000000
[    9.716646][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbc
[    9.716908][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca3b24210
| [    9.726722][  T200] ------------[ cut here ]------------
| [    9.726906][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/200
| [    9.727250][  T200] Modules linked in: veth
| [    9.727745][  T200] Tainted: [W]=WARN
[    9.727897][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.728162][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.728396][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.728929][  T200] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[    9.729169][  T200] RAX: 00000000ffffffa6 RBX: ff1100000e074c80 RCX: 1ff40000000c4dfc
[    9.729442][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e074d38
[    9.729692][  T200] RBP: ff110000092f4000 R08: 1fe2200001c0e9a8 R09: ff1100000cda2e80
[    9.729942][  T200] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.730209][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.730482][  T200] FS:  00007fa58c2f9840(0000) GS:ff110000aeeb0000(0000) knlGS:0000000000000000
[    9.730769][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.730988][  T200] CR2: 00007fa58c660f6d CR3: 000000000b87e001 CR4: 0000000000771ef0
[    9.731255][  T200] PKRU: 55555554
[    9.731422][  T200] Call Trace:
[    9.731574][  T200]  <TASK>
[    9.731694][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.731881][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.732049][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.732238][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.732442][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.732631][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.732820][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.733008][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.733211][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.733409][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.733594][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.733787][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.733979][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.734187][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.734380][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.734570][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.734755][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.734940][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.735145][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.735341][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.735534][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.735721][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.735905][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.736107][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.736300][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.736492][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.736680][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.736865][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.737068][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.737258][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.737459][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.737648][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.737836][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.738023][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.738225][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.738433][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.738624][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.738815][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.739002][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.739204][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.739443][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.739637][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.739828][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.740016][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.740226][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.740427][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.740614][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.740802][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.740991][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.741189][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.741384][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.741572][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.741759][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.741976][  T200] RIP: 0033:0x7fa58c53308e
[    9.742182][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.742749][  T200] RSP: 002b:00007ffca3b23aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.743001][  T200] RAX: ffffffffffffffda RBX: 00007ffca3b24238 RCX: 00007fa58c53308e
[    9.743272][  T200] RDX: 0000000000000000 RSI: 00007ffca3b23b50 RDI: 0000000000000005
[    9.743530][  T200] RBP: 00007ffca3b23ab0 R08: 0000000000000000 R09: 0000000000000000
[    9.743784][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbc
[    9.744049][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca3b24210
| [    9.922536][  T206] ------------[ cut here ]------------
| [    9.922717][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/206
| [    9.922970][  T206] Modules linked in: veth
| [    9.923385][  T206] Tainted: [W]=WARN
[    9.923491][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.923669][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.923856][  T206] 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
[    9.924372][  T206] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[    9.924555][  T206] RAX: 00000000ffffffa6 RBX: ff1100000e4e98c0 RCX: 1ff40000000c4d8c
[    9.924765][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e4e9978
[    9.924977][  T206] RBP: ff1100000a2c9000 R08: 1fe2200001c9d330 R09: ff1100000bb75180
[    9.925196][  T206] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.925418][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dd6a80
[    9.925633][  T206] FS:  00007f3e7c458840(0000) GS:ff110000aee30000(0000) knlGS:0000000000000000
[    9.925883][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.926070][  T206] CR2: 000000000042ebe0 CR3: 000000000ccc6005 CR4: 0000000000771ef0
[    9.926292][  T206] PKRU: 55555554
[    9.926403][  T206] Call Trace:
[    9.926512][  T206]  <TASK>
[    9.926586][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.926730][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.926873][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.926981][  T206]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.927130][  T206]  __dev_notify_flags (net/core/dev.c:9787)
[    9.927278][  T206]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.927424][  T206]  ? 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)
[    9.927565][  T206]  ? netif_change_name (net/core/dev.c:1495)
[    9.927704][  T206]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.927846][  T206]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.927986][  T206]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.928136][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.928285][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.928432][  T206]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.928575][  T206]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.928714][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.928857][  T206]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.929004][  T206] veth_newlink (drivers/net/veth.c:1871) veth
[    9.929155][  T206]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.929335][  T206]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.929484][  T206]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.929624][  T206]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.929785][  T206]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.929926][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.930075][  T206]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.930215][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.930367][  T206]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.930513][  T206]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.930656][  T206]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.930797][  T206]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.930938][  T206]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.931092][  T206]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.931239][  T206]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.931393][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.931533][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.931675][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.931815][  T206]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.931957][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.932174][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.932325][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.932471][  T206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.932612][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.932753][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.932894][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.933120][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.933268][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.933415][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.933556][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.933698][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.933842][  T206]  ? 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))
[    9.933982][  T206]  ? 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))
[    9.934185][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.934398][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.934540][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.934682][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.934826][  T206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.934970][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.935122][  T206]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.935273][  T206]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.935417][  T206]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.935605][  T206]  ? move_addr_to_kernel (net/socket.c:258)
[    9.935752][  T206]  ___sys_sendmsg (net/socket.c:2752)
[    9.935892][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.936040][  T206]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.936192][  T206]  ? 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))
[    9.936341][  T206]  __sys_sendmsg (net/socket.c:2784)
[    9.936487][  T206]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.936631][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.936777][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.936918][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.937066][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.937213][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.937360][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.937542][  T206] RIP: 0033:0x7f3e7c69208e
[    9.937689][  T206] 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
[    9.938197][  T206] RSP: 002b:00007ffdab18e3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.938419][  T206] RAX: ffffffffffffffda RBX: 00007ffdab18eb48 RCX: 00007f3e7c69208e
[    9.938633][  T206] RDX: 0000000000000000 RSI: 00007ffdab18e460 RDI: 0000000000000005
[    9.938844][  T206] RBP: 00007ffdab18e3c0 R08: 0000000000000000 R09: 0000000000000000
[    9.939062][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbd
[    9.939276][  T206] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab18eb20
| [    9.949204][  T206] ------------[ cut here ]------------
| [    9.949361][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/206
| [    9.949604][  T206] Modules linked in: veth
| [    9.949988][  T206] Tainted: [W]=WARN
[    9.950101][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.950279][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.950463][  T206] 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
[    9.950949][  T206] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[    9.951132][  T206] RAX: 00000000ffffffa6 RBX: ff1100000e232ac0 RCX: 1ff40000000c4dfc
[    9.951344][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e232b78
[    9.951550][  T206] RBP: ff1100000c0dc000 R08: 1fe2200001c46570 R09: ff1100000bb75180
[    9.951754][  T206] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.951961][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.952171][  T206] FS:  00007f3e7c458840(0000) GS:ff110000aee30000(0000) knlGS:0000000000000000
[    9.952421][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.952599][  T206] CR2: 000000000042ebe0 CR3: 000000000ccc6005 CR4: 0000000000771ef0
[    9.952802][  T206] PKRU: 55555554
[    9.952908][  T206] Call Trace:
[    9.953011][  T206]  <TASK>
[    9.953088][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.953227][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.953337][  T206]  __dev_notify_flags (net/core/dev.c:9787)
[    9.953479][  T206]  ? netif_change_name (net/core/dev.c:1495)
[    9.953616][  T206]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.953754][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.953895][  T206]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.954040][  T206]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.954180][  T206]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.954320][  T206]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.954460][  T206]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.954603][  T206]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.954743][  T206]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.954880][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.955018][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.955162][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.955304][  T206]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.955451][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.955592][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.955729][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.955865][  T206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.956003][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.956144][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.956286][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.956428][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.956563][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.956702][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.956837][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.956973][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.957126][  T206]  ? 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))
[    9.957267][  T206]  ? 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))
[    9.957411][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.957550][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.957687][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.957826][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.957966][  T206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.958116][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.958257][  T206]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.958403][  T206]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.958542][  T206]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.958710][  T206]  ? move_addr_to_kernel (net/socket.c:258)
[    9.958851][  T206]  ___sys_sendmsg (net/socket.c:2752)
[    9.958986][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.959298][  T206]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.959453][  T206]  ? 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))
[    9.959594][  T206]  __sys_sendmsg (net/socket.c:2784)
[    9.959733][  T206]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.959875][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.960014][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.960160][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.960302][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.960445][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.960583][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.960753][  T206] RIP: 0033:0x7f3e7c69208e
[    9.960895][  T206] 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
[    9.961393][  T206] RSP: 002b:00007ffdab18e3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.961602][  T206] RAX: ffffffffffffffda RBX: 00007ffdab18eb48 RCX: 00007f3e7c69208e
[    9.961806][  T206] RDX: 0000000000000000 RSI: 00007ffdab18e460 RDI: 0000000000000005
[    9.962012][  T206] RBP: 00007ffdab18e3c0 R08: 0000000000000000 R09: 0000000000000000
[    9.962235][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbd
[    9.962459][  T206] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab18eb20
| [   10.118737][  T212] ------------[ cut here ]------------
| [   10.118970][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/212
| [   10.119293][  T212] Modules linked in: veth
| [   10.119814][  T212] Tainted: [W]=WARN
[   10.119973][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.120218][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.120477][  T212] 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
[   10.121043][  T212] RSP: 0018:ffa00000007b6e30 EFLAGS: 00010286
[   10.121284][  T212] RAX: 00000000ffffffa6 RBX: ff1100000b828740 RCX: 1ff40000000f6d8c
[   10.121558][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b8287f8
[   10.121822][  T212] RBP: ff1100000c701000 R08: 1fe2200001705100 R09: ff1100000cf60b80
[   10.122190][  T212] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.122540][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b3f0780
[   10.122912][  T212] FS:  00007f40f1770840(0000) GS:ff110000aeeb0000(0000) knlGS:0000000000000000
[   10.123299][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.123631][  T212] CR2: 000000000042ebe0 CR3: 000000000ccc3006 CR4: 0000000000771ef0
[   10.123991][  T212] PKRU: 55555554
[   10.124234][  T212] Call Trace:
[   10.124398][  T212]  <TASK>
[   10.124524][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.124721][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.124923][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.125098][  T212]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.125300][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   10.125503][  T212]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.125697][  T212]  ? 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)
[   10.125895][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   10.126103][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.126306][  T212]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.126512][  T212]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.126707][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.126905][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.127115][  T212]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.127330][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.127531][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.127730][  T212]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.127927][  T212] veth_newlink (drivers/net/veth.c:1871) veth
[   10.128138][  T212]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.128379][  T212]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.128579][  T212]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.128776][  T212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.128986][  T212]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.129191][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.129400][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.129596][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.129792][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.129990][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.130238][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.130450][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.130647][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.130851][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.131067][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.131274][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.131478][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.131675][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.131867][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.132076][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.132282][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.132488][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.132684][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.132911][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.133145][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.133348][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.133552][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.133762][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.133980][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.134192][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.134403][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.134600][  T212]  ? 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))
[   10.134797][  T212]  ? 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))
[   10.134995][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.135214][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.135425][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.135623][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.135821][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.136045][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.136245][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.136460][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.136657][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.136895][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   10.137114][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   10.137316][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.137575][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.137781][  T212]  ? 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))
[   10.137998][  T212]  __sys_sendmsg (net/socket.c:2784)
[   10.138210][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.138425][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.138619][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.138819][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.139017][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.139260][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.139472][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.139701][  T212] RIP: 0033:0x7f40f19aa08e
[   10.139933][  T212] 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
[   10.140538][  T212] RSP: 002b:00007fff1c3044a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.140802][  T212] RAX: ffffffffffffffda RBX: 00007fff1c304c38 RCX: 00007f40f19aa08e
[   10.141082][  T212] RDX: 0000000000000000 RSI: 00007fff1c304550 RDI: 0000000000000005
[   10.141350][  T212] RBP: 00007fff1c3044b0 R08: 0000000000000000 R09: 0000000000000000
[   10.141627][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbd
[   10.141900][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1c304c10
| [   10.153019][  T212] ------------[ cut here ]------------
| [   10.153427][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/212
| [   10.153749][  T212] Modules linked in: veth
| [   10.154293][  T212] Tainted: [W]=WARN
[   10.154464][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.154715][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.154957][  T212] 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
[   10.155556][  T212] RSP: 0018:ffa00000007b71b0 EFLAGS: 00010286
[   10.155802][  T212] RAX: 00000000ffffffa6 RBX: ff1100000f814900 RCX: 1ff40000000f6dfc
[   10.156074][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8149b8
[   10.156342][  T212] RBP: ff1100000c7a4000 R08: 1fe2200001f02938 R09: ff1100000cf60b80
[   10.156604][  T212] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.156877][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.157149][  T212] FS:  00007f40f1770840(0000) GS:ff110000aeeb0000(0000) knlGS:0000000000000000
[   10.157459][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.157686][  T212] CR2: 000000000042ebe0 CR3: 000000000ccc3006 CR4: 0000000000771ef0
[   10.157948][  T212] PKRU: 55555554
[   10.158115][  T212] Call Trace:
[   10.158276][  T212]  <TASK>
[   10.158401][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.158601][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.158761][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   10.158954][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   10.159157][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.159360][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.159594][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.159787][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.159980][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.160185][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.160392][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.160600][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.160797][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.160990][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.161198][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.161409][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.161599][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.161806][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.162001][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.162209][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.162423][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.162614][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.162803][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.162994][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.163200][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.163400][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.163597][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.163788][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.164011][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.164224][  T212]  ? 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))
[   10.164428][  T212]  ? 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))
[   10.164631][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.164828][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.165019][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.165229][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.165444][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.165655][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.165849][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.166062][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.166253][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.166497][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   10.166706][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   10.166895][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.167103][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.167313][  T212]  ? 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))
[   10.167519][  T212]  __sys_sendmsg (net/socket.c:2784)
[   10.167716][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.167909][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.168130][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.168366][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.168565][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.168752][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.168943][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.169181][  T212] RIP: 0033:0x7f40f19aa08e
[   10.169385][  T212] 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
[   10.169923][  T212] RSP: 002b:00007fff1c3044a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.170198][  T212] RAX: ffffffffffffffda RBX: 00007fff1c304c38 RCX: 00007f40f19aa08e
[   10.170475][  T212] RDX: 0000000000000000 RSI: 00007fff1c304550 RDI: 0000000000000005
[   10.170730][  T212] RBP: 00007fff1c3044b0 R08: 0000000000000000 R09: 0000000000000000
[   10.170987][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbbd


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