======================================
| xx__-> [   10.323027][  T187] ------------[ cut here ]------------
| [   10.323321][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/187
| [   10.323586][  T187] Modules linked in: veth
| [   10.324039][  T187] Tainted: [W]=WARN
[   10.324152][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.324370][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.324569][  T187] 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
[   10.325272][  T187] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[   10.325568][  T187] RAX: 00000000ffffffa6 RBX: ff1100000bf54040 RCX: 1ff400000011ed8c
[   10.325825][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bf540f8
[   10.326153][  T187] RBP: ff11000007f69000 R08: 1fe22000017ea820 R09: ff1100000c005180
[   10.326505][  T187] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.326732][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e78400
[   10.326952][  T187] FS:  00007f19423a3840(0000) GS:ff110000879b0000(0000) knlGS:0000000000000000
[   10.327208][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.327398][  T187] CR2: 00007f6fa28bc808 CR3: 000000000d029001 CR4: 0000000000771ef0
[   10.327629][  T187] PKRU: 55555554
[   10.327737][  T187] Call Trace:
[   10.327846][  T187]  <TASK>
[   10.327923][  T187]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.328109][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.328263][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.328373][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.328518][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.328668][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   10.328812][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.328961][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   10.329111][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.329260][  T187]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.329441][  T187]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   10.329629][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.329771][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.329918][  T187]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.330069][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[   10.330218][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.330423][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.330576][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.330720][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.330881][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.331026][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.331173][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.331323][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.331471][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.331623][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.331768][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.331911][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.332058][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.332208][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.332366][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.332510][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.332658][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.332815][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.332959][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.333104][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.333263][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.333416][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.333566][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.333718][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.333886][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.334033][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.334178][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.334326][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.334470][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.334623][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.334769][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.334915][  T187]  ? 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))
[   10.335061][  T187]  ? 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))
[   10.335208][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.335360][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.335504][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.335653][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.335797][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.335941][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.336091][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.336238][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.336388][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.336576][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   10.336729][  T187]  ___sys_sendmsg (net/socket.c:2752)
[   10.336872][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.337017][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.337182][  T187]  __sys_sendmsg (net/socket.c:2784)
[   10.337334][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.337479][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.337626][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.337774][  T187]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.337920][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.338066][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.338213][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.338368][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.338512][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.338662][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.338842][  T187] RIP: 0033:0x7f19425dd08e
[   10.339000][  T187] 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
[   10.339540][  T187] RSP: 002b:00007ffc2833abd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.339769][  T187] RAX: ffffffffffffffda RBX: 00007ffc2833b368 RCX: 00007f19425dd08e
[   10.339985][  T187] RDX: 0000000000000000 RSI: 00007ffc2833ac80 RDI: 0000000000000005
[   10.340205][  T187] RBP: 00007ffc2833abe0 R08: 0000000000000000 R09: 0000000000000000
[   10.340431][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c804
[   10.340656][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2833b340
| [   10.349343][  T187] ------------[ cut here ]------------
| [   10.349502][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/187
| [   10.349752][  T187] Modules linked in: veth
| [   10.350152][  T187] Tainted: [W]=WARN
[   10.350838][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.351078][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.351328][  T187] 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
[   10.351831][  T187] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[   10.352008][  T187] RAX: 00000000ffffffa6 RBX: ff1100000bc71380 RCX: 1ff400000011edfc
[   10.352214][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bc71438
[   10.352483][  T187] RBP: ff11000009d64000 R08: 1fe220000178e288 R09: ff1100000c005180
[   10.352695][  T187] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.352901][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.353108][  T187] FS:  00007f19423a3840(0000) GS:ff110000879b0000(0000) knlGS:0000000000000000
[   10.353411][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.353589][  T187] CR2: 00007f6fa28bc808 CR3: 000000000d029001 CR4: 0000000000771ef0
[   10.353797][  T187] PKRU: 55555554
[   10.353901][  T187] Call Trace:
[   10.354006][  T187]  <TASK>
[   10.354080][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.354221][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.354391][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   10.354534][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   10.354679][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.354820][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.354963][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.355111][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.355313][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.355453][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.355596][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.355742][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.355885][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.356024][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.356164][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.356367][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.356507][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.356648][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.356790][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.356930][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.357070][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.357210][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.357410][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.357553][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.357694][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.357828][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.357968][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.358106][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.358309][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.358455][  T187]  ? 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))
[   10.358600][  T187]  ? 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))
[   10.358740][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.358880][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.359019][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.359160][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.359369][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.359514][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.359662][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.359802][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.359941][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.360112][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   10.360318][  T187]  ___sys_sendmsg (net/socket.c:2752)
[   10.360462][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.360605][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.360759][  T187]  __sys_sendmsg (net/socket.c:2784)
[   10.360961][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.361103][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.361306][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.361448][  T187]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.361598][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.361742][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.361881][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.362020][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.362160][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.362366][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.362540][  T187] RIP: 0033:0x7f19425dd08e
[   10.362691][  T187] 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
[   10.363188][  T187] RSP: 002b:00007ffc2833abd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.363463][  T187] RAX: ffffffffffffffda RBX: 00007ffc2833b368 RCX: 00007f19425dd08e
[   10.363674][  T187] RDX: 0000000000000000 RSI: 00007ffc2833ac80 RDI: 0000000000000005
[   10.363884][  T187] RBP: 00007ffc2833abe0 R08: 0000000000000000 R09: 0000000000000000
[   10.364090][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c804
[   10.364382][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2833b340
| [   10.530525][  T197] ------------[ cut here ]------------
| [   10.530717][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/197
| [   10.530970][  T197] Modules linked in: veth
| [   10.531402][  T197] Tainted: [W]=WARN
[   10.531509][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.531695][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.531883][  T197] 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
[   10.532394][  T197] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[   10.532580][  T197] RAX: 00000000ffffffa6 RBX: ff1100000b446200 RCX: 1ff400000010ad8c
[   10.532796][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b4462b8
[   10.533006][  T197] RBP: ff11000001db4000 R08: 1fe2200001688c58 R09: ff1100000c38ae80
[   10.533217][  T197] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.533435][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a53180
[   10.533654][  T197] FS:  00007fb15b45e840(0000) GS:ff110000879b0000(0000) knlGS:0000000000000000
[   10.533901][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.534078][  T197] CR2: 000000000042ebe0 CR3: 000000000b7fe001 CR4: 0000000000771ef0
[   10.534293][  T197] PKRU: 55555554
[   10.534399][  T197] Call Trace:
[   10.534504][  T197]  <TASK>
[   10.534585][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.534728][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.534835][  T197]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.535012][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   10.535154][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   10.535301][  T197]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.535441][  T197]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.535588][  T197]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.535732][  T197]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.535878][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.536023][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.536166][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.536314][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.536462][  T197]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.536622][  T197] veth_newlink (drivers/net/veth.c:1871) veth
[   10.536768][  T197]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.536945][  T197]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.537088][  T197]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.537230][  T197]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.537399][  T197]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.537543][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.537697][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.537838][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.537982][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.538126][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.538274][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.538418][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.538563][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.538715][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.538865][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.539009][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.539150][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.539304][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.539447][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.539595][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.539742][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.539888][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.540033][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.540176][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.540327][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.540469][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.540623][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.540773][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.540918][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.541063][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.541208][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.541372][  T197]  ? 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))
[   10.541513][  T197]  ? 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))
[   10.541663][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.541806][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.541948][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.542093][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.542245][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.542422][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.542574][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.542720][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.542863][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.543044][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   10.543260][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   10.543437][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.543589][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.543744][  T197]  ? 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))
[   10.543891][  T197]  __sys_sendmsg (net/socket.c:2784)
[   10.544033][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.544180][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.544332][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.544482][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.544632][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.544775][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.544919][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.545099][  T197] RIP: 0033:0x7fb15b69808e
[   10.545255][  T197] 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
[   10.545773][  T197] RSP: 002b:00007fffcf080270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.545991][  T197] RAX: ffffffffffffffda RBX: 00007fffcf080a08 RCX: 00007fb15b69808e
[   10.546207][  T197] RDX: 0000000000000000 RSI: 00007fffcf080320 RDI: 0000000000000005
[   10.546429][  T197] RBP: 00007fffcf080280 R08: 0000000000000000 R09: 0000000000000000
[   10.546662][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c804
[   10.546877][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcf0809e0
| [   10.558327][  T197] ------------[ cut here ]------------
| [   10.558520][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/197
| [   10.558840][  T197] Modules linked in: veth
| [   10.559266][  T197] Tainted: [W]=WARN
[   10.559377][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.559563][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.559750][  T197] 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
[   10.560256][  T197] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[   10.560444][  T197] RAX: 00000000ffffffa6 RBX: ff1100000d188ac0 RCX: 1ff400000010adfc
[   10.560660][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d188b78
[   10.560867][  T197] RBP: ff11000005c34000 R08: 1fe2200001a31170 R09: ff1100000c38ae80
[   10.561074][  T197] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.561288][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.561501][  T197] FS:  00007fb15b45e840(0000) GS:ff110000879b0000(0000) knlGS:0000000000000000
[   10.561754][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.561931][  T197] CR2: 000000000042ebe0 CR3: 000000000b7fe001 CR4: 0000000000771ef0
[   10.562146][  T197] PKRU: 55555554
[   10.562259][  T197] Call Trace:
[   10.562367][  T197]  <TASK>
[   10.562449][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.562666][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.562815][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   10.562957][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   10.563136][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.563370][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.563603][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.563833][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.563992][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.564143][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.564316][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.564507][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.564681][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.564892][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.565156][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.565316][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.565461][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.565611][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.565765][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.565908][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.566117][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.566284][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.566432][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.566597][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.566810][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.566964][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.567110][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.567312][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.567505][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.567724][  T197]  ? 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))
[   10.567938][  T197]  ? 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))
[   10.568147][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.568387][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.568620][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.568837][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.569054][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.569268][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.569496][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.569725][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.569936][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.570206][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   10.570450][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   10.570681][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.570911][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.571150][  T197]  ? 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))
[   10.571373][  T197]  __sys_sendmsg (net/socket.c:2784)
[   10.571590][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.571816][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.572022][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.572230][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.572449][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.572660][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.572885][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.573134][  T197] RIP: 0033:0x7fb15b69808e
[   10.573365][  T197] 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
[   10.574116][  T197] RSP: 002b:00007fffcf080270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.574425][  T197] RAX: ffffffffffffffda RBX: 00007fffcf080a08 RCX: 00007fb15b69808e
[   10.574737][  T197] RDX: 0000000000000000 RSI: 00007fffcf080320 RDI: 0000000000000005
[   10.575058][  T197] RBP: 00007fffcf080280 R08: 0000000000000000 R09: 0000000000000000
[   10.575367][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c804
[   10.575722][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcf0809e0
| [   10.832644][  T212] ------------[ cut here ]------------
| [   10.832848][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/212
| [   10.833109][  T212] Modules linked in: veth
| [   10.833536][  T212] Tainted: [W]=WARN
[   10.833652][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.833835][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.834025][  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
[   10.834613][  T212] RSP: 0018:ffa0000000726e30 EFLAGS: 00010286
[   10.834810][  T212] RAX: 00000000ffffffa6 RBX: ff1100000d189000 RCX: 1ff40000000e4d8c
[   10.835046][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d1890b8
[   10.835264][  T212] RBP: ff1100000d5ec000 R08: 1fe2200001a31218 R09: ff1100000d2fae80
[   10.835483][  T212] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.835711][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bf67500
[   10.835930][  T212] FS:  00007f5658029840(0000) GS:ff11000087a30000(0000) knlGS:0000000000000000
[   10.836184][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.836372][  T212] CR2: 00007f5658390f6d CR3: 000000000bd0e003 CR4: 0000000000771ef0
[   10.836597][  T212] PKRU: 55555554
[   10.836731][  T212] Call Trace:
[   10.836900][  T212]  <TASK>
[   10.837016][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.837250][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.837478][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.837652][  T212]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.837869][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   10.838086][  T212]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.838407][  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)
[   10.838651][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   10.838863][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.839075][  T212]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.839302][  T212]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.839518][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.839740][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.839955][  T212]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.840181][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.840401][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.840622][  T212]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.840838][  T212] veth_newlink (drivers/net/veth.c:1871) veth
[   10.841053][  T212]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.841325][  T212]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.841539][  T212]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.841766][  T212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.842008][  T212]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.842228][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.842454][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.842673][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.842894][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.843110][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.843337][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.843551][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.843767][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.843989][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.844206][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.844428][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.844640][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.844856][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.845064][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.845283][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.845504][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.845726][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.845937][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.846135][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.846357][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.846572][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.846797][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.847010][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.847226][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.847444][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.847662][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.847887][  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))
[   10.848098][  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))
[   10.848326][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.848539][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.848756][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.848976][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.849191][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.849414][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.849636][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.849851][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.850082][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.850376][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   10.850618][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   10.850842][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.851066][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.851322][  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))
[   10.851541][  T212]  __sys_sendmsg (net/socket.c:2784)
[   10.851760][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.851978][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.852195][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.852426][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.852658][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.852869][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.853090][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.853363][  T212] RIP: 0033:0x7f565826308e
[   10.853592][  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
[   10.854352][  T212] RSP: 002b:00007fff01a484e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.854679][  T212] RAX: ffffffffffffffda RBX: 00007fff01a48c78 RCX: 00007f565826308e
[   10.855000][  T212] RDX: 0000000000000000 RSI: 00007fff01a48590 RDI: 0000000000000005
[   10.855328][  T212] RBP: 00007fff01a484f0 R08: 0000000000000000 R09: 0000000000000000
[   10.855650][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c805
[   10.855964][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff01a48c50
| [   10.881799][  T212] ------------[ cut here ]------------
| [   10.881967][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [   10.882222][  T212] Modules linked in: veth
| [   10.883716][  T212] Tainted: [W]=WARN
[   10.883823][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.884006][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.884192][  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
[   10.884832][  T212] RSP: 0018:ffa00000007271b0 EFLAGS: 00010286
[   10.885018][  T212] RAX: 00000000ffffffa6 RBX: ff11000008baeac0 RCX: 1ff40000000e4dfc
[   10.885230][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008baeb78
[   10.885572][  T212] RBP: ff1100000d5e9000 R08: 1fe2200001175d70 R09: ff1100000d2fae80
[   10.885779][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.885989][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.886199][  T212] FS:  00007f5658029840(0000) GS:ff11000087b30000(0000) knlGS:0000000000000000
[   10.886574][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.886752][  T212] CR2: 00007fa683ca3808 CR3: 000000000bd0e001 CR4: 0000000000771ef0
[   10.886962][  T212] PKRU: 55555554
[   10.887068][  T212] Call Trace:
[   10.887173][  T212]  <TASK>
[   10.887363][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.887510][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.887641][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   10.887783][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   10.887925][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.888067][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.888214][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.888473][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.888620][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.888761][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.888899][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.889050][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.889192][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.889407][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.889548][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.889697][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.889837][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.889975][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.890124][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.890369][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.890510][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.890662][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.890806][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.890944][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.891085][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.891222][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.891476][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.891634][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.891778][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.891927][  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))
[   10.892069][  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))
[   10.892210][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.892424][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.892580][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.892722][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.892873][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.893016][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.893162][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.893312][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.893455][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.893640][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   10.893795][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   10.893939][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.894085][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.894245][  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))
[   10.894391][  T212]  __sys_sendmsg (net/socket.c:2784)
[   10.894537][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.894691][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.894836][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.894979][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.895125][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.895275][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.895422][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.895603][  T212] RIP: 0033:0x7f565826308e
[   10.895759][  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
[   10.896300][  T212] RSP: 002b:00007fff01a484e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.896527][  T212] RAX: ffffffffffffffda RBX: 00007fff01a48c78 RCX: 00007f565826308e
[   10.896756][  T212] RDX: 0000000000000000 RSI: 00007fff01a48590 RDI: 0000000000000005
[   10.896981][  T212] RBP: 00007fff01a484f0 R08: 0000000000000000 R09: 0000000000000000
[   10.897211][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c805


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