======================================
| xx__-> [   10.081706][  T187] ------------[ cut here ]------------
| [   10.081985][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/187
| [   10.082242][  T187] Modules linked in: veth
| [   10.082704][  T187] Tainted: [W]=WARN
[   10.082817][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.083004][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.083194][  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
[   10.083696][  T187] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   10.083882][  T187] RAX: 00000000ffffffa6 RBX: ff110000099eb700 RCX: 1ff4000000110d8c
[   10.084111][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000099eb7b8
[   10.084323][  T187] RBP: ff11000007961000 R08: 1fe220000133d6f8 R09: ff1100000c835180
[   10.084537][  T187] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.084747][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000899c400
[   10.084970][  T187] FS:  00007f557bcdb840(0000) GS:ff110000803b0000(0000) knlGS:0000000000000000
[   10.085224][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.085407][  T187] CR2: 0000555f99214850 CR3: 000000000cf5f002 CR4: 0000000000771ef0
[   10.085619][  T187] PKRU: 55555554
[   10.085725][  T187] Call Trace:
[   10.085928][  T187]  <TASK>
[   10.086020][  T187]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.086204][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.086349][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.086455][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.086599][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.086739][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   10.086988][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.087132][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   10.087275][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.087417][  T187]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.087593][  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)
[   10.087857][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.088071][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.088225][  T187]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.088365][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[   10.088509][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.088682][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.088884][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.089034][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.089190][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.089332][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.089475][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.089613][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.089753][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.089966][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.090115][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.090252][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.090392][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.090539][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.090683][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.090841][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.090990][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.091132][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.091271][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.091410][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.091554][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.091694][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.091839][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.091989][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.092132][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.092271][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.092412][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.092550][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.092692][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.092838][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.092990][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.093137][  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))
[   10.093277][  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))
[   10.093421][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.093565][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.093706][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.093852][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.094008][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.094150][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.094293][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.094436][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.094575][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.094752][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   10.094902][  T187]  ___sys_sendmsg (net/socket.c:2752)
[   10.095051][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.095191][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.095342][  T187]  __sys_sendmsg (net/socket.c:2784)
[   10.095481][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.095621][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.095761][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.095913][  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)
[   10.096058][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.096199][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.096339][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.096476][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.096615][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.096754][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.096940][  T187] RIP: 0033:0x7f557bf1508e
[   10.097093][  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
[   10.097585][  T187] RSP: 002b:00007ffd31648ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.097802][  T187] RAX: ffffffffffffffda RBX: 00007ffd31649668 RCX: 00007f557bf1508e
[   10.098032][  T187] RDX: 0000000000000000 RSI: 00007ffd31648f80 RDI: 0000000000000005
[   10.098239][  T187] RBP: 00007ffd31648ee0 R08: 0000000000000000 R09: 0000000000000000
[   10.098447][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86a
[   10.098653][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd31649640
| [   10.108843][  T187] ------------[ cut here ]------------
| [   10.109012][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/187
| [   10.109258][  T187] Modules linked in: veth
| [   10.109643][  T187] Tainted: [W]=WARN
[   10.109746][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.109947][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.110136][  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
[   10.110625][  T187] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   10.110803][  T187] RAX: 00000000ffffffa6 RBX: ff110000099d6040 RCX: 1ff4000000110dfc
[   10.111017][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000099d60f8
[   10.111220][  T187] RBP: ff11000007604000 R08: 1fe220000133ac20 R09: ff1100000c835180
[   10.111422][  T187] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.111623][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.111833][  T187] FS:  00007f557bcdb840(0000) GS:ff110000803b0000(0000) knlGS:0000000000000000
[   10.112084][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.112255][  T187] CR2: 0000555f99214850 CR3: 000000000cf5f002 CR4: 0000000000771ef0
[   10.112458][  T187] PKRU: 55555554
[   10.112558][  T187] Call Trace:
[   10.112660][  T187]  <TASK>
[   10.112731][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.112875][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.112989][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   10.113127][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   10.113263][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.113398][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.113536][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.113674][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.113815][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.113961][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.114104][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.114244][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.114382][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.114519][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.114654][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.114799][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.114939][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.115079][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.115220][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.115357][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.115493][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.115630][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.115771][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.115907][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.116053][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.116187][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.116322][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.116459][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.116595][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.116733][  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))
[   10.116874][  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))
[   10.117023][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.117159][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.117295][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.117432][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.117573][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.117711][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.117857][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.118011][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.118148][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.118317][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   10.118458][  T187]  ___sys_sendmsg (net/socket.c:2752)
[   10.118593][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.118727][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.118881][  T187]  __sys_sendmsg (net/socket.c:2784)
[   10.119026][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.119161][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.119298][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.119435][  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)
[   10.119572][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.119708][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.119848][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.119992][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.120129][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.120264][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.120435][  T187] RIP: 0033:0x7f557bf1508e
[   10.120577][  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
[   10.121074][  T187] RSP: 002b:00007ffd31648ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.121280][  T187] RAX: ffffffffffffffda RBX: 00007ffd31649668 RCX: 00007f557bf1508e
[   10.121487][  T187] RDX: 0000000000000000 RSI: 00007ffd31648f80 RDI: 0000000000000005
[   10.121689][  T187] RBP: 00007ffd31648ee0 R08: 0000000000000000 R09: 0000000000000000
[   10.121896][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86a
[   10.122109][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd31649640
| [   10.249035][  T192] ------------[ cut here ]------------
| [   10.249214][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/192
| [   10.249469][  T192] Modules linked in: veth
| [   10.250512][  T192] Tainted: [W]=WARN
[   10.250619][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.250890][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.251088][  T192] 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
[   10.251591][  T192] RSP: 0018:ffa0000000576e30 EFLAGS: 00010286
[   10.251839][  T192] RAX: 00000000ffffffa6 RBX: ff11000008df03c0 RCX: 1ff40000000aed8c
[   10.252153][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008df0478
[   10.252359][  T192] RBP: ff110000074c4000 R08: 1fe22000011be090 R09: ff1100000cf8d180
[   10.252564][  T192] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.252829][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089eaa80
[   10.253053][  T192] FS:  00007fed0af23840(0000) GS:ff11000080430000(0000) knlGS:0000000000000000
[   10.253295][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.253470][  T192] CR2: 000000000042ebe0 CR3: 000000000cd2f004 CR4: 0000000000771ef0
[   10.253678][  T192] PKRU: 55555554
[   10.253843][  T192] Call Trace:
[   10.253954][  T192]  <TASK>
[   10.254032][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.254176][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.254281][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.254457][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   10.254598][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   10.254736][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.254923][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.255070][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.255210][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.255353][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.255494][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.255633][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.255777][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.255922][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.256086][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[   10.256229][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.256401][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.256542][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.256680][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.256841][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.256990][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.257137][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.257274][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.257414][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.257555][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.257695][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.257839][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.257988][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.258133][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.258279][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.258420][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.258558][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.258697][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.258839][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.258988][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.259133][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.259274][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.259414][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.259553][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.259692][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.259834][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.259985][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.260126][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.260268][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.260409][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.260550][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.260694][  T192]  ? 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))
[   10.260836][  T192]  ? 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))
[   10.260989][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.261133][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.261272][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.261415][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.261556][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.261696][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.261845][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.261997][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.262137][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.262308][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   10.262452][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   10.262593][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.262730][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.262884][  T192]  ? 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))
[   10.263034][  T192]  __sys_sendmsg (net/socket.c:2784)
[   10.263173][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.263315][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.263457][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.263599][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.263736][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.263880][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.264028][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.264202][  T192] RIP: 0033:0x7fed0b15d08e
[   10.264350][  T192] 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
[   10.264850][  T192] RSP: 002b:00007ffe66b2ba50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.265068][  T192] RAX: ffffffffffffffda RBX: 00007ffe66b2c1e8 RCX: 00007fed0b15d08e
[   10.265276][  T192] RDX: 0000000000000000 RSI: 00007ffe66b2bb00 RDI: 0000000000000005
[   10.265483][  T192] RBP: 00007ffe66b2ba60 R08: 0000000000000000 R09: 0000000000000000
[   10.265694][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86a
[   10.265908][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe66b2c1c0
| [   10.273658][  T192] ------------[ cut here ]------------
| [   10.274313][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/192
| [   10.274549][  T192] Modules linked in: veth
| [   10.274993][  T192] Tainted: [W]=WARN
[   10.275096][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.275262][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.275499][  T192] 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
[   10.276042][  T192] RSP: 0018:ffa00000005771b0 EFLAGS: 00010286
[   10.276213][  T192] RAX: 00000000ffffffa6 RBX: ff1100000af4fc40 RCX: 1ff40000000aedfc
[   10.276412][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af4fcf8
[   10.276610][  T192] RBP: ff1100000964c000 R08: 1fe22000015e9fa0 R09: ff1100000cf8d180
[   10.276863][  T192] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.277076][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.277278][  T192] FS:  00007fed0af23840(0000) GS:ff11000080430000(0000) knlGS:0000000000000000
[   10.277515][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.277683][  T192] CR2: 000000000042ebe0 CR3: 000000000cd2f004 CR4: 0000000000771ef0
[   10.277949][  T192] PKRU: 55555554
[   10.278057][  T192] Call Trace:
[   10.278159][  T192]  <TASK>
[   10.278229][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.278367][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.278470][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   10.278609][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   10.278746][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.278942][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.279086][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.279220][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.279355][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.279489][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.279623][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.279822][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.279963][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.280104][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.280237][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.280388][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.280521][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.280653][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.280852][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.280995][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.281133][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.281269][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.281404][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.281539][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.281677][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.281870][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.282016][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.282153][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.282289][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.282427][  T192]  ? 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))
[   10.282560][  T192]  ? 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))
[   10.282696][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.282889][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.283035][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.283171][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.283306][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.283441][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.283579][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.283717][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.283912][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.284088][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   10.284227][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   10.284360][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.284494][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.284638][  T192]  ? 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))
[   10.284832][  T192]  __sys_sendmsg (net/socket.c:2784)
[   10.284974][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.285127][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.285264][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.285401][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.285537][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.285674][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.285879][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.286113][  T192] RIP: 0033:0x7fed0b15d08e
[   10.286256][  T192] 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
[   10.286735][  T192] RSP: 002b:00007ffe66b2ba50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.287008][  T192] RAX: ffffffffffffffda RBX: 00007ffe66b2c1e8 RCX: 00007fed0b15d08e
[   10.287211][  T192] RDX: 0000000000000000 RSI: 00007ffe66b2bb00 RDI: 0000000000000005
[   10.287416][  T192] RBP: 00007ffe66b2ba60 R08: 0000000000000000 R09: 0000000000000000
[   10.287616][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86a
[   10.287878][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe66b2c1c0
| [   10.577561][  T209] ------------[ cut here ]------------
| [   10.577748][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [   10.578819][  T209] Modules linked in: veth
| [   10.579236][  T209] Tainted: [W]=WARN
[   10.579345][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.579521][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.579707][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.580269][  T209] RSP: 0018:ffa00000006b6e30 EFLAGS: 00010286
[   10.580446][  T209] RAX: 00000000ffffffa6 RBX: ff1100000b7a9000 RCX: 1ff40000000d6d8c
[   10.580657][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b7a90b8
[   10.580950][  T209] RBP: ff1100000c4b1000 R08: 1fe22000016f5218 R09: ff1100000c81d180
[   10.581164][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.581370][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c88d900
[   10.581581][  T209] FS:  00007fd7d92a8840(0000) GS:ff110000803b0000(0000) knlGS:0000000000000000
[   10.581933][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.582121][  T209] CR2: 000000000042ebe0 CR3: 000000000c59d001 CR4: 0000000000771ef0
[   10.582330][  T209] PKRU: 55555554
[   10.582435][  T209] Call Trace:
[   10.582541][  T209]  <TASK>
[   10.582613][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.582863][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.583026][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.583139][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.583283][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.583430][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.583579][  T209]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   10.583724][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.583969][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.584125][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.584273][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.584416][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.584562][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.584705][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.584953][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.585106][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.585263][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.585419][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   10.585567][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.585752][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.586026][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.586174][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.586332][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.586473][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.586615][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.586753][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.586930][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.587078][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.587219][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.587358][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.587498][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.587644][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.587795][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.587943][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.588094][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.588245][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.588384][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.588524][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.588669][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.588823][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.588978][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.589129][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.589273][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.589412][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.589552][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.589695][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.589850][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.590007][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.590153][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.590298][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.590438][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.590581][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.590722][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.590869][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.591022][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.591177][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.591327][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.591472][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.591614][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.591757][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.591944][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.592092][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.592233][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.592375][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.592525][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.592669][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.592815][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.592963][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.593110][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.593253][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.593394][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.593551][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.593691][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.593872][  T209] RIP: 0033:0x7fd7d94e208e
[   10.594029][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.594529][  T209] RSP: 002b:00007fffdb96e060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.594741][  T209] RAX: ffffffffffffffda RBX: 00007fffdb96e7f8 RCX: 00007fd7d94e208e
[   10.594959][  T209] RDX: 0000000000000000 RSI: 00007fffdb96e110 RDI: 0000000000000005
[   10.595195][  T209] RBP: 00007fffdb96e070 R08: 0000000000000000 R09: 0000000000000000
[   10.595410][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86a
[   10.595619][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdb96e7d0
| [   10.616658][  T209] ------------[ cut here ]------------
| [   10.617089][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [   10.617334][  T209] Modules linked in: veth
| [   10.617721][  T209] Tainted: [W]=WARN
[   10.617837][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.618021][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.618203][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.618696][  T209] RSP: 0018:ffa00000006b71b0 EFLAGS: 00010286
[   10.618878][  T209] RAX: 00000000ffffffa6 RBX: ff110000099d7e00 RCX: 1ff40000000d6dfc
[   10.619098][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000099d7eb8
[   10.619302][  T209] RBP: ff1100000c4ac000 R08: 1fe220000133afd8 R09: ff1100000c81d180
[   10.619506][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.619710][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.619930][  T209] FS:  00007fd7d92a8840(0000) GS:ff110000803b0000(0000) knlGS:0000000000000000
[   10.620175][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.620347][  T209] CR2: 000000000042ebe0 CR3: 000000000c59d001 CR4: 0000000000771ef0
[   10.620553][  T209] PKRU: 55555554
[   10.620656][  T209] Call Trace:
[   10.620758][  T209]  <TASK>
[   10.620837][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.620989][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.621094][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.621232][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.621369][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.621506][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.621644][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.621783][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.621925][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.622065][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.622200][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.622341][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.622482][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.622620][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.622755][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.622898][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.623045][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.623181][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.623320][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.623458][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.623592][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.623728][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.623869][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.624016][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.624155][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.624289][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.624426][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.624562][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.624698][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.624842][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.624989][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.625128][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.625264][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.625401][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.625541][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.625678][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.625821][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.625963][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.626104][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.626239][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.626406][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.626548][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.626686][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.626827][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.626976][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.627121][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.627256][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.627395][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.627533][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.627670][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.627811][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.627954][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.628094][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.628263][  T209] RIP: 0033:0x7fd7d94e208e
[   10.628404][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.628896][  T209] RSP: 002b:00007fffdb96e060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.629112][  T209] RAX: ffffffffffffffda RBX: 00007fffdb96e7f8 RCX: 00007fd7d94e208e
[   10.629314][  T209] RDX: 0000000000000000 RSI: 00007fffdb96e110 RDI: 0000000000000005
[   10.629516][  T209] RBP: 00007fffdb96e070 R08: 0000000000000000 R09: 0000000000000000
[   10.629720][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c86a


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