======================================
| xx__-> [   10.322670][  T187] ------------[ cut here ]------------
| [   10.322947][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/187
| [   10.323277][  T187] Modules linked in: veth
| [   10.323852][  T187] Tainted: [W]=WARN
[   10.324010][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.324313][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.324555][  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
[   10.325131][  T187] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[   10.325385][  T187] RAX: 00000000ffffffa6 RBX: ff1100000c183700 RCX: 1ff400000010ad8c
[   10.325650][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1837b8
[   10.325978][  T187] RBP: ff11000008211000 R08: 1fe22000018306f8 R09: ff1100000c038b80
[   10.326274][  T187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.326547][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002783880
[   10.326838][  T187] FS:  00007f95771fd840(0000) GS:ff1100007c0b0000(0000) knlGS:0000000000000000
[   10.327139][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.327575][  T187] CR2: 000000000042ebe0 CR3: 000000000c49f004 CR4: 0000000000771ef0
[   10.327851][  T187] PKRU: 55555554
[   10.328009][  T187] Call Trace:
[   10.328349][  T187]  <TASK>
[   10.328475][  T187]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.328812][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.329008][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.329180][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.329410][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.329604][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   10.329904][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.330097][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   10.330410][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.330605][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.330809][  T187]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.331003][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.331308][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.331502][  T187]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.331698][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[   10.331896][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.332332][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.332525][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.332821][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.333028][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.333252][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.333448][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.333641][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.333934][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.334131][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.334351][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.334541][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.334741][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.334937][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.335136][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.335377][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.335665][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.335868][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.336059][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.336364][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.336559][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.336762][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.336954][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.337145][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.337356][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.337639][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.337840][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.338125][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.338337][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.338620][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.338825][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.339021][  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))
[   10.339232][  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))
[   10.339425][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.339712][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.339903][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.340201][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.340520][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.340715][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.340912][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.341105][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.341319][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.341544][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   10.341938][  T187]  ___sys_sendmsg (net/socket.c:2752)
[   10.342258][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.342454][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.342655][  T187]  __sys_sendmsg (net/socket.c:2784)
[   10.342871][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.343064][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.343276][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.343563][  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)
[   10.343767][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.344054][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.344267][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.344553][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.344760][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.344953][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.345190][  T187] RIP: 0033:0x7f957743708e
[   10.345399][  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
[   10.345950][  T187] RSP: 002b:00007ffd5587f1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.346233][  T187] RAX: ffffffffffffffda RBX: 00007ffd5587f958 RCX: 00007f957743708e
[   10.346492][  T187] RDX: 0000000000000000 RSI: 00007ffd5587f270 RDI: 0000000000000005
[   10.346780][  T187] RBP: 00007ffd5587f1d0 R08: 0000000000000000 R09: 0000000000000000
[   10.347132][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdac
[   10.347442][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5587f930
| [   10.358742][  T187] ------------[ cut here ]------------
| [   10.358914][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/187
| [   10.359152][  T187] Modules linked in: veth
| [   10.359553][  T187] Tainted: [W]=WARN
[   10.359656][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.359832][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.360018][  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
[   10.364017][  T187] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[   10.364198][  T187] RAX: 00000000ffffffa6 RBX: ff1100000c8323c0 RCX: 1ff400000010adfc
[   10.364413][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c832478
[   10.364617][  T187] RBP: ff1100000a1bc000 R08: 1fe2200001906490 R09: ff1100000c038b80
[   10.364822][  T187] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.365029][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.365263][  T187] FS:  00007f95771fd840(0000) GS:ff1100007bfb0000(0000) knlGS:0000000000000000
[   10.365503][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.365672][  T187] CR2: 00007f797ec74574 CR3: 000000000c49f004 CR4: 0000000000771ef0
[   10.365884][  T187] PKRU: 55555554
[   10.365985][  T187] Call Trace:
[   10.366087][  T187]  <TASK>
[   10.366158][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.366307][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.366410][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   10.366547][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   10.366688][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.366822][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.366961][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.367096][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.367244][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.367379][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.367515][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.367656][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.367796][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.367934][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.368069][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.368208][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.368348][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.368484][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.368624][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.368766][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.368902][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.369038][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.369176][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.369336][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.369477][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.369609][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.369749][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.369884][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.370020][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.370166][  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))
[   10.370315][  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))
[   10.370454][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.370591][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.370731][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.370892][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.371033][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.371177][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.371549][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.371690][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.371833][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.372002][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   10.372142][  T187]  ___sys_sendmsg (net/socket.c:2752)
[   10.372310][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.372453][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.372600][  T187]  __sys_sendmsg (net/socket.c:2784)
[   10.372743][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.372879][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.373015][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.373154][  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)
[   10.373424][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.373560][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.373704][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.373840][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.373977][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.374115][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.374295][  T187] RIP: 0033:0x7f957743708e
[   10.374440][  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
[   10.374932][  T187] RSP: 002b:00007ffd5587f1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.375169][  T187] RAX: ffffffffffffffda RBX: 00007ffd5587f958 RCX: 00007f957743708e
[   10.375375][  T187] RDX: 0000000000000000 RSI: 00007ffd5587f270 RDI: 0000000000000005
[   10.375587][  T187] RBP: 00007ffd5587f1d0 R08: 0000000000000000 R09: 0000000000000000
[   10.375794][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdac
[   10.375999][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5587f930
| [   10.551015][  T195] ------------[ cut here ]------------
| [   10.551531][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/195
| [   10.551846][  T195] Modules linked in: veth
| [   10.552376][  T195] Tainted: [W]=WARN
[   10.552536][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.552792][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.553132][  T195] 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
[   10.553699][  T195] RSP: 0018:ffa00000006f6e30 EFLAGS: 00010286
[   10.553934][  T195] RAX: 00000000ffffffa6 RBX: ff11000009be8900 RCX: 1ff40000000ded8c
[   10.554245][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009be89b8
[   10.554504][  T195] RBP: ff1100000a21c000 R08: 1fe220000137d138 R09: ff11000004d85180
[   10.554772][  T195] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.555083][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c4f6000
[   10.555381][  T195] FS:  00007f6da9a20840(0000) GS:ff1100007c0b0000(0000) knlGS:0000000000000000
[   10.555677][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.555938][  T195] CR2: 000000000042ebe0 CR3: 0000000004c09005 CR4: 0000000000771ef0
[   10.556243][  T195] PKRU: 55555554
[   10.556404][  T195] Call Trace:
[   10.556563][  T195]  <TASK>
[   10.556690][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.556888][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.557060][  T195]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.557310][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[   10.557505][  T195]  ? netif_change_name (net/core/dev.c:1495)
[   10.557698][  T195]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.557896][  T195]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.558092][  T195]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.558321][  T195]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.558523][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.558727][  T195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.558934][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.559130][  T195]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.559358][  T195]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.559578][  T195] veth_newlink (drivers/net/veth.c:1871) veth
[   10.559781][  T195]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.560005][  T195]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.560239][  T195]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.560434][  T195]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.560650][  T195]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.560870][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.561087][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.561308][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.561506][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.561707][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.561906][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.562097][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.562311][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.562508][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.562709][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.562907][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.563101][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.563324][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.563525][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.563724][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.563939][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.564134][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.564349][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.564541][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.564744][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.564936][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.565131][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.565370][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.565567][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.565770][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.565966][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.566194][  T195]  ? 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))
[   10.566396][  T195]  ? 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))
[   10.566593][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.566802][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.566997][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.567217][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.567411][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.567607][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.567814][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.568008][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.568221][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.568451][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[   10.568649][  T195]  ___sys_sendmsg (net/socket.c:2752)
[   10.568848][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.569042][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.569266][  T195]  ? 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))
[   10.569480][  T195]  __sys_sendmsg (net/socket.c:2784)
[   10.569678][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.569884][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.570080][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.570295][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.570490][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.570685][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.570887][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.571115][  T195] RIP: 0033:0x7f6da9c5a08e
[   10.571336][  T195] 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
[   10.571902][  T195] RSP: 002b:00007ffe7ef87050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.572186][  T195] RAX: ffffffffffffffda RBX: 00007ffe7ef877e8 RCX: 00007f6da9c5a08e
[   10.572653][  T195] RDX: 0000000000000000 RSI: 00007ffe7ef87100 RDI: 0000000000000005
[   10.572922][  T195] RBP: 00007ffe7ef87060 R08: 0000000000000000 R09: 0000000000000000
[   10.573198][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdac
[   10.573468][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7ef877c0
| [   10.614989][  T195] ------------[ cut here ]------------
| [   10.615553][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/195
| [   10.615849][  T195] Modules linked in: veth
| [   10.616337][  T195] Tainted: [W]=WARN
[   10.616487][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.616708][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.616929][  T195] 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
[   10.617482][  T195] RSP: 0018:ffa00000006f71b0 EFLAGS: 00010286
[   10.617695][  T195] RAX: 00000000ffffffa6 RBX: ff1100000c2aae40 RCX: 1ff40000000dedfc
[   10.617968][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2aaef8
[   10.618230][  T195] RBP: ff110000079d9000 R08: 1fe22000018555e0 R09: ff11000004d85180
[   10.618471][  T195] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.618715][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.618970][  T195] FS:  00007f6da9a20840(0000) GS:ff1100007c0b0000(0000) knlGS:0000000000000000
[   10.619270][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.619483][  T195] CR2: 00007f30f0dd5d80 CR3: 0000000004c09005 CR4: 0000000000771ef0
[   10.619733][  T195] PKRU: 55555554
[   10.619877][  T195] Call Trace:
[   10.620051][  T195]  <TASK>
[   10.620180][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.620389][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.620540][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[   10.620729][  T195]  ? netif_change_name (net/core/dev.c:1495)
[   10.620910][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.621094][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.621300][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.621485][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.621714][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.621896][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.622078][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.622316][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.622508][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.622694][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.622882][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.623066][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.623265][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.623444][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.623629][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.623818][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.623995][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.624188][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.624404][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.624584][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.624811][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.624986][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.625179][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.625364][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.625544][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.625741][  T195]  ? 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))
[   10.625917][  T195]  ? 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))
[   10.626098][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.626300][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.626478][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.626656][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.626845][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.627035][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.627241][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.627440][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.627626][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.627852][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[   10.628050][  T195]  ___sys_sendmsg (net/socket.c:2752)
[   10.628252][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.628462][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.628656][  T195]  ? 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))
[   10.628847][  T195]  __sys_sendmsg (net/socket.c:2784)
[   10.629032][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.629232][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.629412][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.629610][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.629811][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.629992][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.630188][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.630406][  T195] RIP: 0033:0x7f6da9c5a08e
[   10.630595][  T195] 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
[   10.631121][  T195] RSP: 002b:00007ffe7ef87050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.631384][  T195] RAX: ffffffffffffffda RBX: 00007ffe7ef877e8 RCX: 00007f6da9c5a08e
[   10.631623][  T195] RDX: 0000000000000000 RSI: 00007ffe7ef87100 RDI: 0000000000000005
[   10.631872][  T195] RBP: 00007ffe7ef87060 R08: 0000000000000000 R09: 0000000000000000
[   10.632115][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdac
[   10.632392][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7ef877c0
| [   10.859717][  T203] ------------[ cut here ]------------
| [   10.859914][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/203
| [   10.860176][  T203] Modules linked in: veth
| [   10.860589][  T203] Tainted: [W]=WARN
[   10.860706][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.860887][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.861076][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.861656][  T203] RSP: 0018:ffa00000006e6e30 EFLAGS: 00010286
[   10.861846][  T203] RAX: 00000000ffffffa6 RBX: ff1100000c8338c0 RCX: 1ff40000000dcd8c
[   10.862059][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c833978
[   10.862338][  T203] RBP: ff1100000c764000 R08: 1fe2200001906730 R09: ff1100000c125180
[   10.862551][  T203] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.862765][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005d11900
[   10.862977][  T203] FS:  00007f3c80fc0840(0000) GS:ff1100007bfb0000(0000) knlGS:0000000000000000
[   10.863322][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.863506][  T203] CR2: 00007f11653b1b18 CR3: 000000000894a002 CR4: 0000000000771ef0
[   10.863822][  T203] PKRU: 55555554
[   10.863929][  T203] Call Trace:
[   10.864038][  T203]  <TASK>
[   10.864114][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.864363][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.864525][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.864634][  T203]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.864781][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[   10.864920][  T203]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.865064][  T203]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   10.865317][  T203]  ? netif_change_name (net/core/dev.c:1495)
[   10.865458][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.865599][  T203]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.865745][  T203]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.865887][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.866030][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.866258][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.866402][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.866542][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.866688][  T203]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.866832][  T203] veth_newlink (drivers/net/veth.c:1871) veth
[   10.866977][  T203]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.867152][  T203]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.867428][  T203]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.867569][  T203]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.867733][  T203]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.867875][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.868019][  T203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.868249][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.868396][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.868536][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.868682][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.868847][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.868989][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.869137][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.869385][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.869530][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.869693][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.869839][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.869978][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.870118][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.870387][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.870532][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.870675][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.870821][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.870964][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.871104][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.871323][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.871464][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.871606][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.871751][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.871893][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.872037][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.872240][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.872383][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.872524][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.872666][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.872813][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.872955][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.873098][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.873260][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.873407][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.873553][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.873730][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[   10.873876][  T203]  ___sys_sendmsg (net/socket.c:2752)
[   10.874017][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.874158][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.874322][  T203]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.874465][  T203]  __sys_sendmsg (net/socket.c:2784)
[   10.874606][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.874755][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.874896][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.875038][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.875185][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.875333][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.875475][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.875652][  T203] RIP: 0033:0x7f3c811fa08e
[   10.875803][  T203] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.876320][  T203] RSP: 002b:00007ffef3caac80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.876536][  T203] RAX: ffffffffffffffda RBX: 00007ffef3cab418 RCX: 00007f3c811fa08e
[   10.876754][  T203] RDX: 0000000000000000 RSI: 00007ffef3caad30 RDI: 0000000000000005
[   10.876963][  T203] RBP: 00007ffef3caac90 R08: 0000000000000000 R09: 0000000000000000
[   10.877177][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdad
[   10.877397][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef3cab3f0
| [   10.887016][  T203] ------------[ cut here ]------------
| [   10.887176][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/203
| [   10.887423][  T203] Modules linked in: veth
| [   10.887818][  T203] Tainted: [W]=WARN
[   10.887923][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.888098][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.888495][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.888985][  T203] RSP: 0018:ffa00000006e71b0 EFLAGS: 00010286
[   10.889166][  T203] RAX: 00000000ffffffa6 RBX: ff11000008dba900 RCX: 1ff40000000dcdfc
[   10.889376][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008dba9b8
[   10.889581][  T203] RBP: ff11000001dd4000 R08: 1fe22000011b7538 R09: ff1100000c125180
[   10.889788][  T203] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.889991][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.890266][  T203] FS:  00007f3c80fc0840(0000) GS:ff1100007bfb0000(0000) knlGS:0000000000000000
[   10.890506][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.890684][  T203] CR2: 00007f11653b1b18 CR3: 000000000894a002 CR4: 0000000000771ef0
[   10.890893][  T203] PKRU: 55555554
[   10.890996][  T203] Call Trace:
[   10.891100][  T203]  <TASK>
[   10.891234][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.891375][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.891481][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[   10.891619][  T203]  ? netif_change_name (net/core/dev.c:1495)
[   10.891761][  T203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.891897][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.892037][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.892266][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.892513][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.892670][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.892816][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.892961][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.893103][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.893360][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.893500][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.893638][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.893783][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.893921][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.894063][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.894246][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.894386][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.894524][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.894665][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.894809][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.894949][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.895086][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.895234][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.895370][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.895508][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.895651][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.895791][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.895931][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.896070][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.896217][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.896358][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.896499][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.896641][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.896789][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.896929][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.897067][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.897248][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[   10.897392][  T203]  ___sys_sendmsg (net/socket.c:2752)
[   10.897529][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.897667][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.897821][  T203]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.897963][  T203]  __sys_sendmsg (net/socket.c:2784)
[   10.898101][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.898258][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.898399][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.898539][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.898684][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.898823][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.898965][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.899136][  T203] RIP: 0033:0x7f3c811fa08e
[   10.899290][  T203] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.899784][  T203] RSP: 002b:00007ffef3caac80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.899994][  T203] RAX: ffffffffffffffda RBX: 00007ffef3cab418 RCX: 00007f3c811fa08e
[   10.900212][  T203] RDX: 0000000000000000 RSI: 00007ffef3caad30 RDI: 0000000000000005
[   10.900419][  T203] RBP: 00007ffef3caac90 R08: 0000000000000000 R09: 0000000000000000
[   10.900631][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdad


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