======================================
| xx__-> [    9.220263][  T185] ------------[ cut here ]------------
| [    9.220483][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.220880][  T185] Modules linked in: veth
| [    9.221421][  T185] Tainted: [W]=WARN
[    9.221530][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.221740][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.221930][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.222488][  T185] RSP: 0018:ffa0000000696e30 EFLAGS: 00010286
[    9.222869][  T185] RAX: 00000000ffffffa6 RBX: ff11000001f25e00 RCX: 1ff40000000d2d8c
[    9.223289][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f25eb8
[    9.223515][  T185] RBP: ff110000089c9000 R08: 1fe22000003e4bd8 R09: ff1100000d2c0b80
[    9.223784][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.223998][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000950bc00
[    9.224254][  T185] FS:  00007f1d89853840(0000) GS:ff11000099f30000(0000) knlGS:0000000000000000
[    9.224783][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.224965][  T185] CR2: 000000000042ebe0 CR3: 000000000bb27002 CR4: 0000000000771ef0
[    9.225197][  T185] PKRU: 55555554
[    9.225305][  T185] Call Trace:
[    9.225411][  T185]  <TASK>
[    9.225484][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.225673][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.225817][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.225925][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.226071][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.226224][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.226367][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.226507][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.226650][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.226800][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.226943][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.227085][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.227241][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.227383][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.227526][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.227677][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.227853][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.227997][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.228147][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.228305][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.228446][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.228589][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.228736][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.228880][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.229023][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.229175][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.229317][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.229458][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.229604][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.229755][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.229896][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.230035][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.230499][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.230642][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.230785][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.230930][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.231179][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.231321][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.231464][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.231606][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.231848][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.231989][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.232140][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.232284][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.232522][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.232664][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.232814][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.232953][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.233200][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.233344][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.233486][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.233628][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.233775][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.233919][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.234065][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.234220][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.234361][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.234537][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.234688][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.234828][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235063][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.235230][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.235466][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.235608][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.235752][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235894][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.236036][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.236189][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.236332][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.236473][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.236614][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.236761][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.236936][  T185] RIP: 0033:0x7f1d89a8d08e
[    9.237085][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.237704][  T185] RSP: 002b:00007ffe792a40d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.237918][  T185] RAX: ffffffffffffffda RBX: 00007ffe792a4868 RCX: 00007f1d89a8d08e
[    9.238141][  T185] RDX: 0000000000000000 RSI: 00007ffe792a4180 RDI: 0000000000000005
[    9.238353][  T185] RBP: 00007ffe792a40e0 R08: 0000000000000000 R09: 0000000000000000
[    9.238564][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca1c
[    9.238783][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe792a4840
| [    9.257188][  T185] ------------[ cut here ]------------
| [    9.257356][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.257596][  T185] Modules linked in: veth
| [    9.257995][  T185] Tainted: [W]=WARN
[    9.258109][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.258286][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.258468][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.258966][  T185] RSP: 0018:ffa00000006971b0 EFLAGS: 00010286
[    9.259148][  T185] RAX: 00000000ffffffa6 RBX: ff110000095d98c0 RCX: 1ff40000000d2dfc
[    9.259356][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095d9978
[    9.259564][  T185] RBP: ff11000008921000 R08: 1fe22000012bb330 R09: ff1100000d2c0b80
[    9.259780][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.259984][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.260205][  T185] FS:  00007f1d89853840(0000) GS:ff11000099f30000(0000) knlGS:0000000000000000
[    9.260448][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.260626][  T185] CR2: 000000000042ebe0 CR3: 000000000bb27002 CR4: 0000000000771ef0
[    9.260837][  T185] PKRU: 55555554
[    9.260940][  T185] Call Trace:
[    9.261042][  T185]  <TASK>
[    9.261120][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.261262][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.261368][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.261508][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.261648][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.261923][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.262065][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.262217][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.262355][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.262492][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.262633][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.262789][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.262930][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.263067][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.263215][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.263354][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.263490][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.263628][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.263779][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.263918][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.264054][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.264204][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.264341][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.264479][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.264619][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.264766][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.264907][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.265045][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.265195][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.265336][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.265473][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.265615][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.265760][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.265900][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.266041][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.266190][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.266329][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.266469][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.266610][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.266750][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.266923][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.267068][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.267218][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.267355][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.267505][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.267645][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.267786][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.267923][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.268069][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.268215][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.268356][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.268494][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.268635][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.268777][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.268915][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.269086][  T185] RIP: 0033:0x7f1d89a8d08e
[    9.269242][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.269735][  T185] RSP: 002b:00007ffe792a40d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.269942][  T185] RAX: ffffffffffffffda RBX: 00007ffe792a4868 RCX: 00007f1d89a8d08e
[    9.270161][  T185] RDX: 0000000000000000 RSI: 00007ffe792a4180 RDI: 0000000000000005
[    9.270366][  T185] RBP: 00007ffe792a40e0 R08: 0000000000000000 R09: 0000000000000000
[    9.270571][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca1c
[    9.270783][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe792a4840
| [    9.444164][  T193] ------------[ cut here ]------------
| [    9.444800][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.445193][  T193] Modules linked in: veth
| [    9.445788][  T193] Tainted: [W]=WARN
[    9.445948][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.446195][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.446437][  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
[    9.447016][  T193] RSP: 0018:ffa00000005f6e30 EFLAGS: 00010286
[    9.447267][  T193] RAX: 00000000ffffffa6 RBX: ff1100000c44fc40 RCX: 1ff40000000bed8c
[    9.447530][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c44fcf8
[    9.447813][  T193] RBP: ff11000007ab9000 R08: 1fe2200001889fa0 R09: ff11000009692e80
[    9.448082][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.448366][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c9ffc00
[    9.448633][  T193] FS:  00007f3245e99840(0000) GS:ff11000099eb0000(0000) knlGS:0000000000000000
[    9.448968][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.449221][  T193] CR2: 000055ce11b7dd5c CR3: 000000000a642001 CR4: 0000000000771ef0
[    9.449490][  T193] PKRU: 55555554
[    9.449648][  T193] Call Trace:
[    9.449940][  T193]  <TASK>
[    9.450180][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.450473][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.450733][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.451023][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.451302][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.451554][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.451818][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.452069][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.452340][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.452596][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.452865][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.453147][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.453413][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.453718][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.454006][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.454276][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.454555][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.454785][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.454982][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.455214][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.455411][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.455611][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.455819][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.456015][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.456233][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.456433][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.456626][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.456836][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.457037][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.457262][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.457459][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.457654][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.457866][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.458073][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.458288][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.458488][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.458700][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.458898][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.459103][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.459310][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.459509][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.459726][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.459921][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.460132][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.460334][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.460530][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.460746][  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))
[    9.460943][  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))
[    9.461155][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.461359][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.461557][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.461771][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.461968][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.462186][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.462401][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.462607][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.462816][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.463049][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.463269][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.463464][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.463662][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.463884][  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))
[    9.464083][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.464302][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.464502][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.464717][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.464914][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.465121][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.465328][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.465525][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.465769][  T193] RIP: 0033:0x7f32460d308e
[    9.465971][  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
[    9.466579][  T193] RSP: 002b:00007ffc3f289860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.466863][  T193] RAX: ffffffffffffffda RBX: 00007ffc3f289ff8 RCX: 00007f32460d308e
[    9.467142][  T193] RDX: 0000000000000000 RSI: 00007ffc3f289910 RDI: 0000000000000005
[    9.467409][  T193] RBP: 00007ffc3f289870 R08: 0000000000000000 R09: 0000000000000000
[    9.467696][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca1c
[    9.467961][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3f289fd0
| [    9.490184][  T193] ------------[ cut here ]------------
| [    9.490349][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.490591][  T193] Modules linked in: veth
| [    9.491086][  T193] Tainted: [W]=WARN
[    9.491207][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.491381][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.491563][  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
[    9.492067][  T193] RSP: 0018:ffa00000005f71b0 EFLAGS: 00010286
[    9.492256][  T193] RAX: 00000000ffffffa6 RBX: ff1100000c9771c0 RCX: 1ff40000000bedfc
[    9.492463][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c977278
[    9.492679][  T193] RBP: ff11000002869000 R08: 1fe220000192ee50 R09: ff11000009692e80
[    9.492885][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.493089][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.493309][  T193] FS:  00007f3245e99840(0000) GS:ff11000099e30000(0000) knlGS:0000000000000000
[    9.493554][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.493736][  T193] CR2: 00005619b2782d08 CR3: 000000000a642005 CR4: 0000000000771ef0
[    9.493961][  T193] PKRU: 55555554
[    9.494065][  T193] Call Trace:
[    9.494178][  T193]  <TASK>
[    9.494251][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.494393][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.494501][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.494642][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.494785][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.494922][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.495064][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.495216][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.495356][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.495496][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.495636][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.495786][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.495928][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.496069][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.496216][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.496355][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.496493][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.496639][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.496790][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.496929][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.497066][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.497217][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.497355][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.497492][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.497636][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.497783][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.497923][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.498061][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.498213][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.498355][  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))
[    9.498493][  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))
[    9.498634][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.498788][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.498926][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.499065][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.499215][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.499355][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.499494][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.499634][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.499779][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.499954][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.500107][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.500245][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.500383][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.500529][  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))
[    9.500676][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.500816][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.500958][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.501106][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.501247][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.501384][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.501522][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.501660][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.501835][  T193] RIP: 0033:0x7f32460d308e
[    9.501982][  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
[    9.502482][  T193] RSP: 002b:00007ffc3f289860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.502696][  T193] RAX: ffffffffffffffda RBX: 00007ffc3f289ff8 RCX: 00007f32460d308e
[    9.502904][  T193] RDX: 0000000000000000 RSI: 00007ffc3f289910 RDI: 0000000000000005
[    9.503117][  T193] RBP: 00007ffc3f289870 R08: 0000000000000000 R09: 0000000000000000
[    9.503324][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca1c
[    9.503530][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3f289fd0
| [    9.672776][  T200] ------------[ cut here ]------------
| [    9.672960][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.673225][  T200] Modules linked in: veth
| [    9.673637][  T200] Tainted: [W]=WARN
[    9.673754][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.673940][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.674139][  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
[    9.674649][  T200] RSP: 0018:ffa0000000926e30 EFLAGS: 00010286
[    9.674836][  T200] RAX: 00000000ffffffa6 RBX: ff11000005ca2c80 RCX: 1ff4000000124d8c
[    9.675052][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005ca2d38
[    9.675277][  T200] RBP: ff11000001dd1000 R08: 1fe2200000b945a8 R09: ff1100000d280b80
[    9.675491][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.675713][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f4ae00
[    9.675929][  T200] FS:  00007fb881d4a840(0000) GS:ff11000099db0000(0000) knlGS:0000000000000000
[    9.676189][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.676369][  T200] CR2: 00007fb8820b1f6d CR3: 000000000c6d9002 CR4: 0000000000771ef0
[    9.676582][  T200] PKRU: 55555554
[    9.676792][  T200] Call Trace:
[    9.676900][  T200]  <TASK>
[    9.676975][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.677135][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.677279][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.677387][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.677533][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.677750][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.677893][  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)
[    9.678037][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.678186][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.678328][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.678469][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.678616][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.678829][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.678972][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.679123][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.679265][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.679410][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.679557][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.679773][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.679951][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.680102][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.680249][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.680409][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.680555][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.680758][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.680900][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.681044][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.681200][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.681346][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.681488][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.681633][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.681788][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.681936][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.682082][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.682237][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.682380][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.682522][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.682663][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.682815][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.682962][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.683115][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.683260][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.683404][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.683546][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.683697][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.683839][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.683983][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.684136][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.684279][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.684427][  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))
[    9.684570][  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))
[    9.684722][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.684866][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.685011][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.685166][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.685310][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.685456][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.685604][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.685752][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.685894][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.686072][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.686230][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.686372][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.686515][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.686674][  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))
[    9.686821][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.686964][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.687121][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.687266][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.687411][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.687556][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.687709][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.687854][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.688033][  T200] RIP: 0033:0x7fb881f8408e
[    9.688193][  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
[    9.688710][  T200] RSP: 002b:00007ffc3eb38230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.688929][  T200] RAX: ffffffffffffffda RBX: 00007ffc3eb389c8 RCX: 00007fb881f8408e
[    9.689151][  T200] RDX: 0000000000000000 RSI: 00007ffc3eb382e0 RDI: 0000000000000005
[    9.689368][  T200] RBP: 00007ffc3eb38240 R08: 0000000000000000 R09: 0000000000000000
[    9.689585][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca1d
[    9.689807][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3eb389a0
| [    9.697638][  T200] ------------[ cut here ]------------
| [    9.698320][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.698572][  T200] Modules linked in: veth
| [    9.699055][  T200] Tainted: [W]=WARN
[    9.699171][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.699409][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.699594][  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
[    9.700180][  T200] RSP: 0018:ffa00000009271b0 EFLAGS: 00010286
[    9.700360][  T200] RAX: 00000000ffffffa6 RBX: ff110000097c43c0 RCX: 1ff4000000124dfc
[    9.700568][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097c4478
[    9.700843][  T200] RBP: ff11000005bf4000 R08: 1fe22000012f8890 R09: ff1100000d280b80
[    9.701055][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.701279][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.701491][  T200] FS:  00007fb881d4a840(0000) GS:ff11000099db0000(0000) knlGS:0000000000000000
[    9.701799][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.701976][  T200] CR2: 00007fb8820b1f6d CR3: 000000000c6d9002 CR4: 0000000000771ef0
[    9.702196][  T200] PKRU: 55555554
[    9.702301][  T200] Call Trace:
[    9.702408][  T200]  <TASK>
[    9.702481][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.702625][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.702794][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.702936][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.703078][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.703229][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.703371][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.703511][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.703651][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.703852][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.703993][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.704151][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.704300][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.704443][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.704583][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.704785][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.704926][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.705065][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.705222][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.705364][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.705505][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.705646][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.705844][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.705984][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.706138][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.706280][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.706423][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.706563][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.706768][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.706911][  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))
[    9.707049][  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))
[    9.707203][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.707345][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.707485][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.707629][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.707830][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.707973][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.708126][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.708269][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.708410][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.708583][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.708790][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.708929][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.709070][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.709229][  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))
[    9.709373][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.709513][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.709658][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.709860][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.710002][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.710151][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.710295][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.710436][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.710611][  T200] RIP: 0033:0x7fb881f8408e
[    9.710818][  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
[    9.711332][  T200] RSP: 002b:00007ffc3eb38230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.711542][  T200] RAX: ffffffffffffffda RBX: 00007ffc3eb389c8 RCX: 00007fb881f8408e
[    9.711814][  T200] RDX: 0000000000000000 RSI: 00007ffc3eb382e0 RDI: 0000000000000005
[    9.712023][  T200] RBP: 00007ffc3eb38240 R08: 0000000000000000 R09: 0000000000000000
[    9.712243][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca1d


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